Method of assembling a portable support structure

A method of assembling a portable support structure is disclosed. The method includes positioning a first platform member, then securing a first support member to the first platform member, and then securing a second platform member to the first platform member to form a continuous platform surface. The method includes positioning a plurality of platform members to form a first continuous platform surface, then securing a support member to at least one of the plurality of platform members. The method includes forming a continuous surface from a plurality of platform members, the plurality of platform members including one or more female connectors, aligning one or more male connectors with the one or more female connectors, and engaging the one or more male connectors with the one or more female connectors.

Multi-piece twist drill head and twist drill including the same

One non-limiting aspect of the present disclosure is directed to a multi-piece twist drill head. The multi-piece twist drill head includes a core piece formed from a first hard material, and a peripheral piece formed from a second hard material. The core piece and peripheral piece each comprise a cutting edge and are adapted to mate to provide a central region and a peripheral region, respectively, of the multi-piece twist drill head. A twist drill including the multi-piece twist drill head is also disclosed.

Drilling tool and method for producing port seals

The present invention provides a new drilling tool useful in machining hydraulic port seals for fluid power ports. The drilling tool drills the port hole to size in a solid material for the minor thread diameter in combination with forming the port in a single operation. The drilling tool has a tool holder having a rotational axis, a first drilling insert having cutting surfaces on a first side and a mounting surface on a second side, at least one second drilling insert having a predetermined cutting surface portion and a mounting portion which is mounted on the holder at a location from the rotational axis of the holder. The at least one second drilling insert has first and second portions which engage and machine a work piece in a drilling operation to form a spot face and a seal form.

Apparatus for adjusting saddle retaining angle of bicycle

The present invention relates to an apparatus for adjusting a saddle retaining angle of a bicycle, and in particular to an apparatus for adjusting a saddle retaining angle of a bicycle by which a user can ride a bicycle in a safe posture irrespective of an inclination of a bicycle when a bicycle goes up or down an inclined road in such a manner that a retaining angle of a bicycle saddle fixed to a bicycle body can be easily changed by a rider depending on an inclination of a bicycle so that a user can ride in a safe posture.

Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert

A tool shank for use with a cutting insert in a rotary cutting tool includes a body having, and adapted to be rotated about, a central longitudinal tool axis, the body having a tip portion structured to receive at least a portion of the cutting insert therein. The shank also includes a pair of chip flutes formed in the body and a pair of recesses, each recess bordering a respective chip flute. Each recess includes a rim portion extending perpendicular to the tool axis and a bearing surface extending at an incline relative to the tool axis. Each rim portion is adapted to engage a corresponding surface on the cutting insert. Each bearing surface is adapted to engage a corresponding bearing surface on the cutting insert in a manner such that the cutting insert is pulled against the body when the rotary cutting tool is rotated about the tool axis.

CARD READER

A card reader, includes card reader housing, a camera mounted on the card reader housing and a document input tray supported by the card reader housing. A light source is oriented to provide indirect light to the document when the document is within the document input tray. A direct light barrier shields the document from receiving direct light from the light source. A controller instructs the camera to capture an image of the document.

Element and method for providing dismantling groove

An element with an insertion groove and a dismantling groove. A method for providing a dismantling groove in an element for a product to be assembled by a plurality of elements locked by a locking arrangement including a flexible tongue. The method includes providing an insertion groove and a dismantling groove in the same element. The dismantling groove extends along the element between a first side and a second side and is configured for receiving the flexible tongue of the locking arrangement for locking the element to another element having a tongue groove. The dismantling groove is provided in the element such that it extends from the first side to the insertion groove and along a portion of the insertion groove, and is configured to receive a dismantling tool for dismantling the element from the other element.

Card reader

A card reader includes a camera mounted on card reader housing and a card input tray supported by the card reader housing. The card input tray provides automated alignment of a card by being at an inclined angle sufficiently steep so that when the card is placed into a front of the card input tray, the card will tend to slide to a back of the card input tray and rest against a back wall of the card input tray, the back wall aligning the card to minimize document skew when scanning. Diffused light is used to illuminate the card when the card is within the card input tray.

Motor connection structure of engine clutch for hybrid transmission

Disclosed is an engine clutch motor connection structure for a hybrid transmission. The motor connection structure may be configured for coupling a rotor of a motor and an engine clutch retainer in the hybrid transmission. An example motor connection structure includes a damping unit coupled to an outer circumferential surface of the retainer in an axial direction of the rotor on an inner side of the rotor and supporting each of (i) the outer circumferential surface of the retainer, (ii) an inner circumferential surface of the rotor, and (iii) a coupled portion of the retainer.

Targeting system for portable drill press

A targeting tool releasably holds a portable drill press on a work piece while drilling a hole in the work piece. The portable drill press includes a tubular column with an open bottom end and a mechanical advantage device. The mechanical advantage device moves a drill up and down along the tubular column. A targeting base includes a base for releasable engagement with the work piece, an upstanding post affixed to the base that is adapted for engagement with the open end of the tubular column, and optionally, a drill guide in the base through which a drill bit passes as the drill moves up and down along the tubular column.

Solid drill for machine tools has two or more reversible cutting plates with main cutting blades and secondary cutting blades perpendicular thereto with a working angle of less than three point two degrees

The drill body (10) has at least two radially spaced reversible cutting plates (20, 22) with main cutting blades (30, 34) and secondary cutting blades (38) perpendicular thereto and with their working angle smaller than 3.2 degrees. The secondary cutting blade has a guide edge which during drilling slides at least over part of its length against the wall of the generated bore through the action of a radially outwardly directed compression force.

Drill tool kit, drill tool and indexable drill bit for this

A drilling tool set includes a plurality of drilling tools having different operative drill diameters to blast drill holes of different respective diameters. Each drilling tool of the set has a basic body defining a central axis of rotation, and two replaceable indexable bits including a center bit and a periphery bit which are mountable in respective center and periphery pockets formed in a front end of the basic body. The periphery bits of the respective drill tools of the set are identical, and the center bits of the respective drill tools of the set are identical. Each of the center and periphery pockets of each drill tool defines a radial center point. A first of the drill tools has a smaller operative drill diameter than a second of the drill tools. The first tool includes a first periphery pocket and a center pocket. The center point of the first periphery pocket is disposed closer to the axis than is the center point of the second periphery pocket. The center point of the first center pocket is disposed closer to the axis than is the center point of the second center pocket.

Tools for precision machining of surfaces

Connection means for releasably connecting a first component and a second component and method for releasing a connection of a first component and a second component

The invention relates to a fastening means (100) for joining a first component (102) and a second component (104) such that they can be detached, especially for joining furniture and machine parts such that they can be detached. The inventive fastening means comprises a first fastening element (170) arranged on the first component (102) and a second fastening element (172) arranged on the second component (104). When the components are in a joined state, the first fastening element and the second fastening element are joined together in such a way that they can be detached. One of the fastening elements comprises a retaining part which interacts with the other retaining part (136) of the fastening elements (188) in a retaining position such that a relative movement of the first fastening element (170) and of the second fastening element (172) is prevented along a direction (122) of fastening, and such that in a disengaging position, a relative movement of the first connection element (170) and of the second connection element (172) is permitted along the direction (122) of fastening. The invention provides that two components (102, 104)can be securely joined together such that the components involved do not unnecessarily weaken due to penetrations. To this end, the retaining part (136) can be moved from the retaining position to the disengaging position by means of a time-varying actuating magnetic field (206) which operates the fastening means (100) from outside said fastening means.

Verbindungsbeschlag zum lösbaren Verbinden zweier Möbelteile

Ein Verbindungsbeschlag zum lösbaren Verbinden zweier plattenförmige Möbelteile, mit einem an einem der Möbelteile zu befestigenden Zapfen (10) und einem in eine flachseitige Bohrung (3) in dem anderen Möbelteil einsetzbaren Beschlagkörper (6), in dem ein als Kipphebel (7) ausgeführter Spannteil gelagert ist. Der Zapfen (10) ragt in den Beschlagkörper (6) und ist in diesem fixiert. Der Beschlagkörper (6) ist als Kreiszylindersegment mit einer bogenförmigen und einer zumindest annähernd flachen Wand ausgeführt, wobei der Zapfen (10) aus der bogenförmigen Wand (14) des Beschlagkörpers (6) ragt. <IMAGE>

Pop-out electrode assembly

An igniter electrode assembly for gas ignition of an oven burner includes a pop-in and pop-out feature that allows for the easy installation, removal, and replacement of an igniter electrode. The feature allows maintenance access to the igniter electrode without any tools or the need to disassemble the burner assembly. A bushing surrounds the igniter electrode and is held in position by set screws. Ball plungers screwed into the burner plate guide the bushing along keyways in the bushing surface. The ball plungers securely snap into recesses located at the end of the keyways. The invention allows for precision positioning of the igniter electrode tip and repeatability of positioning without having to readjust the igniter electrode or the bushing.

Rotary cutting tool comprising an exchangeable cutting insert

The invention relates to a rotary cutting tool (3) that is composed of a tool shank (2) with at least one chucking groove (5) and one exchangeable cutting insert (1). At the tip (4) of the shank as well as in the wall of the chucking groove (5) a recess (6) for accommodating the cutting insert (1) is provided and is delimited on the shank-end by a rim (7) against which the shank-end narrow side (12) of the cutting insert (1) rests. The cutting insert (1) comprises a fastening pin (15) which is accommodated in a location opening (16) of the tool shank (2) that is concentric to the tool axis (A). The tool shank (2), on its circumference, has a limb (9) with a bearing surface (8) that is inclined relative to the tool axis (A) and that corresponds to a likewise inclined bearing surface (10) on a wing (11) of the cutting insert (1). The orientation of inclination of the bearing surfaces (8, 10) corresponds to the direction of rotation (D) of the tool. The inclination of the bearing surfaces (8, 10) produces an axial force that retains the cutting insert (1) on the tool shank (2).

Magnetic stripe passbook and scanner for document printing apparatus

A printing apparatus is provided for printing on a document, such as a bank passbook, which has affixed thereto a magnetic stripe on the cover on which information with respect to the print operation to be performed is written and/or read by a magnetic scanning assembly. The magnetic stripe is positioned on the document parallel to the centerfold and the unbound edge of the cover nearest the last line to be printed on the document. When inserted in the print apparatus, the platen of the printing apparatus clamps the document with stripe positioned above and aligned with the platen to facilitate the scanning of the magnetic stripe by the magnetic head of the scanner assembly. The magnetic head is spring loaded to accommodate surface variations of the magnetic stripe and different passbook thicknesses.

Magnetically actuated rising stem valve

This invention relates to a rising stem valve that is magnetically actuated. A driven magnet assembly is rotatably supported in a nonmagnetic pressurizable bonnet fixed to the main valve body. The driven magnet assembly preferably comprises rare earth cobalt magnets defining an even number of north and south poles. A cylindrical holder coaxial with and surrounding said tubular bonnet is rotatably secured thereto. The holder carries driving magnets, preferably rare earth cobalt magnets with an even number of north and south poles. Rotation of the holder results in rotation of the driven magnet assembly. A valve stem is connected to the driven magnet assembly in a manner such that turning of the driven magnet assembly raises and lowers the stem which in turn opens and closes the valve.

Connecting device and method for creating a connection between a first component and a second component

The device (100) has a holding element (212) moved from a holding position into a released position and/or from the released position into the holding position by an action external to the device. A connection element (184) has a housing (188) has a curved bearing surface (190) in form of an arc of a circle in a longitudinal section. A plane positioning surface (194) is located opposite to the bearing surface, and is applied to another connection element (186) in connected condition of components e.g. furniture- or machine parts. An independent claim is also included for a method for producing a connection of two components.

Cutting tool compensator for stationary machine tool

A machine tool of the type wherein a non-rotating cutting tool cuts a workpiece which rotates about a longitudinal axis of rotation. The machine tool includes a block member having the cutting tool attached thereto, the block member being coupled to a housing for radial movement of the block member and cutting tool in response to axial movement of a roller screw spindle internal of the housing.

DRILLING AND DEBURRING HEAD AND CLAMPING DRILLING AND DEBURRING TOOL

Mirror assembly

A mirror assembly (10) including a semitransparent mirror (60) which passes about 1 % to about 30 % of a broad band of visible light, and which reflects less than about 80 % of a broad band of visible light; and a light assembly (100) positioned adjacent to the semitransparent mirror and which emits visible light which is passed by the semitransparent mirror, the luminous intensity of the mirror assembly being about 0.5 to about 120 candelas.

Illuminated switch

Mirror assembly

A mirror assembly including a semitransparent mirror which passes about 1% to about 30% of a broad band of visible light, and which reflects less than about 80% of a broad band of visible light; and a light assembly positioned adjacent to the semitransparent mirror and which emits visible light which is passed by the semitransparent mirror, the luminous intensity of the mirror assembly being about 0.5 to about 120 candelas.

SWIVELING DEVICE FOR WIPER WIPER

Truss assembly and connector for use with trusses

A truss assembly of floor or roof trusses and connector hangers are disclosed for attaching respective ends of a truss to a beam extending transversely to the longitudinal axis of the truss. The hanger includes a connecting plate having a plurality of teeth struck out from the plate so as to extend perpendicular from the connecting plate with the strap and the connecting plate being mutually perpendicular. The strap has a plurality of apertures adapted for receiving nails or like fasteners and extends the entire length of the outside edge of the connecting plate to which the strap is joined and projects past the connecting plate to provide a surface for securing the strap to the wooden beam. The strap is rectangular in shape and bent to a generally U shape so as to define three sections. The first section extends along and past the outside edge of the connecting plate to which it is attached, and this section is connected to the first side of the wooden beam by fasteners extending through the apertures into the wood. The second and third sections can be connected respectively to the top and side of the wooden beam by fasteners extending through the apertures therein. The truss assembly is preferably attached to the wooden beam by "left" and "right" hangers of "mirror image" configuration which have their respective connecting plates attached to opposed sides of the truss in proximity to its end and offset vertically with respect to the top of the beam; the respective sections of the straps are attached to the sides and top of the beam in a parallel configuration.

Drilling tool set, drilling tool and indexable drill bit therefor

A drilling tool set includes a plurality of drilling tools having different operative drill diameters to blast drill holes of different respective diameters. Each drilling tool of the set has a basic body defining a central axis of rotation, and two replaceable indexable bits including a center bit and a periphery bit which are mountable in respective center and periphery pockets formed in a front end of the basic body. The periphery bits of the respective drill tools of the set are identical, and the center bits of the respective drill tools of the set are identical. Each of the center and periphery pockets of each drill tool defines a radial center point. A first of the drill tools has a smaller operative drill diameter than a second of the drill tools. The first tool includes a first periphery pocket and a center pocket. The center point of the first periphery pocket is disposed closer to the axis than is the center point of the second periphery pocket. The center point of the first center pocket is disposed closer to the axis than is the center point of the second center pocket.

Cutting insert with helical geometry and holder therefor

A cutting tool insert and holder therefore, the drill insert having a helical geometry corresponding to helical flutes in a drill body holder which enable the drill tool assembly to more efficiently remove chips from a hole during operation, the drill insert comprising a drill insert body having a first end opposite a second end, a plurality of helical flutes formed in the drill insert body, a plurality of cutting edges formed at the interfaces of the plurality of helical flutes and the first end of the drill insert body, and an aperture formed in each helical flute.

Solid drill bit for machine tools

The invention relates to a solid drill bit for machine tools. Said first bit has a bit body ( 10 ) and two movable inserts ( 20,22 ) which are located a radial distance apart, each in an insert seat ( 16,18 ) of the bit body ( 10 ), in the area of a chip-conveying channel ( 12,14 ). The moveable inserts ( 20,22 ) have a rectangular or quadratic contour, project axially over the bit body ( 10 ) with their front-end main blades ( 30,34 ) and overlap each other radially in their working area. The radially outer movable insert ( 22 ) projects radially beyond the periphery of the bit body ( 10 ) with its outer tool corner ( 36 ) and with its adjoining secondary blade ( 38 ), which is perpendicular to the corresponding main blade ( 34 ). Starting from the tool corner ( 36 ), the longitudinal extension of the secondary blade ( 38 ) concerned is inclined in the direction of the bit body ( 10 ) at a defined setting angle of less than 3.2°. The secondary blade ( 38 ) has a guiding edge ( 44 ), with which it is slidingly supported against the wall ( 42 ) of the bore that is produced during the drilling process, at least over part of its length and under the influence of a radially outwardly oriented thrust force.

Adjustable indexable drill and modular system and holder

An adjustable drill is provided comprising a drill body having a face surface with a directional feature provided therewith. At least one cartridge is selectively mounted adjacent the face surface and selectively slidable along the directional feature to provide adjustment. At least one insert is releasably affixed in an insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.

Lathe cutter and center cutter for this

Cutting apparatus

Boring apparatus includes a multiple start screw to secure a cutting piece to a boring bar. The multiple start screw prevents loosening of the cutting piece during use of the boring apparatus. The multiple start screw also enables easy changing of the cutting piece or repositioning of the cutting piece between periods of use of the apparatus.

Drill tool with interchangeable tip

A drilling tool is proposed comprising a shaft which has both a chuck shaft suitable for fitting in machine tools and a drill-holding shaft, known per se, with chuck grooves and (optionally) coolant ducts. A replaceable drill bit (1) is fitted in a positive fit and detachably on the shaft. The drill bit can consist of a homogenous material and has cutting edges (2) inclined radially outwards and backwards; these cutting edges can be formed in one piece from the drill bit material or are composed of blades mounted in the central region and made from the drill bit material and complementary blades originating from a cutter plate screwed onto the drill bit. The invention proposes that the cutting edges (2) should be aligned symmetrically about the drill bit axis and the cutting edges should be in cutting engagement over the entire radius of the bore to be drilled. Special securing devices comprising a pin with a fixing bore (7) and carrier grooves (5) on the outer circumference of the drill bit make it possible to fix the drill bit in matching securing devices on the drill shaft. In one particular embodiment, the drill bit in the drill shaft is clamped on matching wedge-shaped fitting surfaces. The invention is used preferably for spot drilling or boring of solid material as well as packet drilling and spot drilling of oblique surfaces of workpieces, the preferred diameter range being 5 to 50 mm. The drill bit can be re-ground or fitted with new screw-cutting plates or replaced after use with a new plate by simply releasing the positive-fit mount.

tool holder assembly for multifunctional machining

본 발명은 드릴링 가공을 포함하여 보링가공, 외경단면 및 외경선삭 가공이 가능하고, 특히 외경단면 및 외경선삭 가공을 위해 각 작업시 상호 간섭을 배제하며, 칩 배출을 위한 칩 그루브 공간을 충분히 확보하면서도 툴홀더의 강성의 저하되지 않도록 함으로써 양호한 가공 품질이 확보될 수 있도록 한 다기능 절삭 가공용 툴홀더 조립체를 제공하는데 그 목적이 있다. The present invention is capable of boring, external cross-section and external turning, including drilling, and eliminates mutual interference in each operation, particularly for external cross-section and external turning, and provides sufficient chip groove space for chip evacuation. It is an object of the present invention to provide a tool holder assembly for multifunctional cutting which ensures good processing quality by ensuring that the rigidity of the tool holder is not degraded. 절삭, 가공, 툴, 홀더, 조립체, 인선 Cutting, Machining, Tool, Holder, Assembly, Edge Cutting

DRILL OF DEEP DRILLING OR BROCA CAÑON.

Una broca de taladrado profundo o broca cañón 20, 220 (o equipo para taladros profundos) que tiene un eje longitudinal A de rotación que define una dirección desde delante hacia atrás y una dirección de rotación R, y que comprende un cabezal cortante (22, 222) sujeto de forma separable a un manguito (24, 224); cuyo cabezal cortante (22, 222) comprende una parte cortante (56, 256) adyacente a un extremo delantero (22F, 222F) de cabezal cortante y una parte de acoplamiento (58, 258) de cabezal cortante adyacente a un extremo posterior (22R, 222R) de cabezal cortante, comprendiendo la parte (58, 258) de acoplamiento de cabezal cortante una superficie (64, 264) de soporte de cabezal cortante dirigida axialmente que mira hacia atrás y una superficie de fijación (68, 268) de cabezal cortante generalmente tronco cónica que se estrecha progresivamente hacia dentro en dirección radial al mismo tiempo que se extiende hacia delante en dirección a la parte cortante (56, 256) de cabezal cortante; cuyo manguito (24, 224) comprende una parte de acoplamiento (78, 278) de manguito formada en un extremo delantero (24R, 224R) de manguito, cuya parte de acoplamiento (78, 278) de manguito comprende una superficie de soporte (82, 282) de manguito dirigida axialmente que mira hacia delante y una superficie de fijación (86, 286) de manguito generalmente troncocónica que se estrecha progresivamente en dirección radial hacia dentro al mismo tiempo que se extiende hacia delante en dirección al extremo delantero (24R, 224R) de manguito; en el que la superficie de fijación (86, 286) de manguito se extiende periférica y continuamente desde una cara delantera (48, 248) de canal de manguito hasta una cara trasera (50, 250) de canal de manguito sobre un ángulo periférico FiS mayor de 180º; en una posición de sujeción, la parte de acoplamiento (58, 258) de cabezal cortante y la parte de acoplamiento (78, 278) se enclavan entre sí coaxialmente, con la superficie de soporte (64, 264) de cabezal ...

穿孔工具

(57)【要約】 本発明は、穿孔工具殊に、ドリル本体及び該ドリル本体内に形成された切りくず排出のためのみぞを有していてかつ切刃を形成したワンウエイ切刃部材を備えるドリルに関する。ドリル主切刃（６）のすくい面（１１）の側方にほぼ切りくず排出方向（２）で切りくず成形部分（２２）を接続してあり、該切りくず成形部分が、少なくとも部分的にドリル本体自体のよりも耐摩耗性の材料から成っている。別の実施態様では、切りくず成形部分とが同じ材料から成っており、切りくず成形部分が後からの局所的な硬化によって耐摩耗性にされている。

Drilling tool for drilling in solid metal

Proposed is a drilling tool for drilling in solid material, having a base body (1) containing chip flutes (5, 5a) and at least two interchangeable inserts (3, 3a) situated in a recess (4, 4a) at the end of a chip flute (5, 5a) at the face of the base body (1). The inserts are arranged on the base body at different radial distances such that their working ranges partially overlap. The blades (12) of the inserts (3, 3a) are formed by two cutting edges (8, 9) which together form an obtuse angle, that is the point angle (11). The face (13) of the blades (12) has parallel profile ribs (14, 14a) which acts as runners and which in the region of the cutting edges (8, 9), aligned approximately normal to them, run out from there roughly in the direction of chip removal, radially inwards over a curved course relative to their fitting position, toward a flank region (17) of the insert (3, 3a) near the drilling tool axis (7).

Cutting insert with helical geometry and holder therefor

A cutting tool insert and holder therefore, the drill insert having a helical geometry corresponding to helical flutes in a drill body holder which enable the drill tool assembly to more efficiently remove chips from a hole during operation, the drill insert comprising a drill insert body having a first end opposite a second end, a plurality of helical flutes formed in the drill insert body, a plurality of cutting edges formed at the interfaces of the plurality of helical flutes and the first end of the drill insert body, and an aperture formed in each helical flute.

drilling Tools

The present invention relates to a drill for drilling of metallic workpiece, as well as a cutting insert for use in this drill. The drill consists of a drill shank with at least two straight or helical chip flutes and at least two insert pockets for a substantially square central insert (16) and a peripheral insert (17). The operative edge (26B) of the peripheral insert (17) protrudes sideways such that the diameter of the drill hole is determined thereby during chip transport through one chip flute and the operative edge (26A) of the central insert (16) is provided radially inside the periphery of the drill shank (11) for chip transport through the other chip flute. The operative edges (26A,26B) of the cutting inserts (16,17)) overlap each other at an area (Z) between the rotational axis (CL) and the periphery. The operative edge (26A) of the central insert (16) extends in to and preferably a piece past the drill axis of rotation (CL). The central insert has four cutting edges (26) with rake surfaces which define at least one rake angle. The rake angle for the operative edge (26A) of the substantially square central insert (16) is larger at the area (Z) for overlap than at the rotational axis (CL) of the drill.

Full borer for machine tools has main cutter of outer cutting plate on endface side extending into radially inner working part and outer shelling part

The full borer has the main cutter (34) of the outer cutting plate (22) divided into a radially inner working part (50) followed on the outside by a shelling part (52) extending to the outer plate corner (36). The two parts enclose an angle of 95-120degrees with the shelling part ending at 72-87degrees to the outer plate corner.

Tools and inserts where one insert has a primary and a secondary reinforced delegg that intersects the generated

Drill bit having a diamond-coated sintered body

A drill bit of a diamond-coated sintered body has a substrate mainly composed of Si 3 N 4 or SiC. At least a wear portion of the bit is coated with a diamond layer. If the bit is of the throw-away kind, an insert is removably secured to a shank. At least the insert or a wear portion thereof is coated with a diamond layer. The sintered body contains a prescribed amount of a sintering assistant or aid selected from MgO, Y 2 O 3 and the like. The diamond coating layer has a thickness of at least 0.1 μm.

Boring tool

A drilling tool, in particular a drill, has replaceable cutting elements that form the cutting edges, and chip-removing flutes. A chip shaping area (22) at least partially made of a more wear-resistant material than the drill body itself is arranged next to the faces (11) of the main cutting edges (5) approximately in the chip flow direction. In another embodiment, the chip shaping area if made of the same material as the drill body and is subjected to a subsequent local hardening process that makes it wear-resistant.

Multi-bit drill

A drill having an elongated body including a fluted land and a shank. The fluted land includes a plurality of radial grooves of reduced material thickness formed therein to the depth of the flutes. The grooves define discrete segments of the drill. Each segment has a facet which has the relief of a drill tip so that when the exposed drill tip becomes dull, the segment can be broken off at the notch exposing a successive, sharp drill tip. The drill can have the cutting edges coated with an appropriate protective material such as TiN, titanium nitride, titanium carbide, titanium carbonitride or any other appropriate coating material to improve cutting and preserve the edge.

Tool for rotary chip removal, a tool tip and a method for manufacturing a tool tip

A rotary chip-removing tool includes a rotary tool body and a tool tip fastened on a front end thereof. The tool tip is formed of an injection molded body which has an integral cutting edge at its front end, and a coupling structure at its rear end. The coupling structure can be in the form of a threaded hole, or a rearward projection, for coupling the tool tip against the tool body. The tool tip is formed of first and second materials. The first material forms at least part of the cutting edge, and the second material forms the coupling structure. The first material is more brittle than the second material, and the second material is tougher than the first material.

Drill and drill tip for chip removing machining

The present invention relates to a drill and a drill tip for chip removing machining. The drill has a drill body, a drill tip and a shank portion. The drill tip comprises at least one cutting edge and at least one peripherally arranged guide member. The drill has a center axis. The guide member of the drill tip comprises a part-cylindrical first surface portion and an eccentric second surface portion. The first surface portion connects axially rearwardly along the guide member to the second surface portion.

TOOL OF DRILLING.

LA INVENCION SE REFIERE A UNA HERRAMIENTA DE PERFORACION, EN PARTICULAR A UN TALADRADOR CON CUERPOS DE CORTE ELIMINABLES QUE FORMAN LOS BORDES DE CORTE, Y RANURAS DE ELIMINACION DE VIRUTAS. UNA AREA (22) DE CONFORMADO DE VIRUTAS ELABORADA AL MENOS PARCIALMENTE A BASE DE MATERIAL MAS RESISTENTE AL USO DE CUERPO DEL PERFORADOR EN SI MISMO SE DISPONE DE FORMA PROXIMA A LAS CARAS (11) DEL BORDE (5) DEL CORTE PRINCIPAL APROXIMADAMENTE EN LA DIRECCION DEL FLUJO DE VIRUTA. EN OTRA INCORPORACION, EL AREA DE CONFORMADO DE VIRUTAS SE ELABORA DEL MISMO MATERIAL QUE EL CUERPO DEL PERFORADOR Y ESTA SOMETIDO A UN PROCESO DE ENDURECIMIENTO LOCAL SUBSECUENTE QUE LO HACE RESISTENTE AL DESGASTE. THE INVENTION REFERS TO A DRILLING TOOL, IN PARTICULAR TO A DRILL WITH REMOVABLE CUTTING BODIES FORMING CUTTING EDGES, AND GROOVES FOR REMOVING CHIPS. AN AREA (22) OF CHIP FORMING ELABORATED AT LEAST PARTIALLY BASED ON MATERIAL MORE RESISTANT TO THE USE OF THE BODY OF THE DRILL itself IF IT IS AVAILABLE NEAR THE FACES (11) OF THE EDGE (5) OF THE MAIN CUTTING APPROXIMATELY IN THE DIRECTION OF THE CHIP FLOW. IN ANOTHER INCORPORATION, THE CHIPS FORMING AREA IS ELABORATED FROM THE SAME MATERIAL AS THE DRILLER'S BODY AND IS SUBJECTED TO A SUBSEQUENT LOCAL HARDENING PROCESS THAT MAKES IT RESISTANT TO WEAR.

Verktyg för roterande skärande bearbetning, verktygsspets samt metod för tillverkning av verktygsspetsen

Drill provided with support moldings

The present invention relates to a drill and a drill tip for chip removing machining. The drill has a drill body, a drill tip and a shank portion. The drill tip comprises at least one cutting edge and at least one peripherally arranged guide member. The drill has a center axis. The guide member of the drill tip comprises a part-cylindrical first surface portion and an eccentric second surface portion. The first surface portion connects axially rearwardly along the guide member to the second surface portion.

Drill having radially overlapping indexable cutting inserts

A drill includes a shank, a central insert and a peripheral insert. The shank defines a central axis of rotation and has pockets which carry the peripheral and central inserts. Chip flutes are formed in an outer periphery of the shank for conducting chips cut by the respective inserts. The peripheral insert includes a first operative cutting edge, and the central insert includes a second operative cutting edge which overlaps the first cutting edge at an overlap region. The central insert forms a rake surface adjacent to the second cutting edge. The rake surface includes a first portion disposed at the overlap region, and a second portion disposed at the axis of rotation of the shank. The first portion has a larger rake angle than the second portion.

Drilling tool set, drilling tool and indexable drill bit therefore

In a first aspect, the invention relates to a drilling tool set with a plurality of drilling tools having different operative drill diameters. The individual drill of the set comprises a basic body and two bits, viz. a centre bit (3) and a periphery bit (4). These are mounted in pockets in the drill tip. In order to balance the drill, the radial distance difference between the different pairs of bit pockets on two different basic bodies in the drill set differs from the radial distance difference between the centre axis and the periphery pockets in the same. In a second aspect, the invention also relates to a drilling tool as such. In a third aspect, the invention also relates to an indexable drill bit for drilling tools of the type in question

Drill and a drill cutting insert

A drill for chip removing machining, including a drill body, and a replaceable cutting insert mounted in a pocket formed in a front tip of the drill body. A chip flute extends backwardly from the pocket along the drill body, and the cutting insert is fixed in the pocket by a screw including a head and a shank having a male thread. The cutting insert includes a through hole extending between a topside and an underside. The hole has a basic shape that is rotationally symmetrical in relation to a center axis, and is delimited by a series of surfaces including a mouth surface, converging downward from the topside, and a shoulder surface. The head of the screw is kept pressed against the shoulder surface when the male thread of the screw is tightened in a female thread included in a hole that mouths in a bottom of the pocket. The mouth surface in the hole of the cutting insert has a trumpet-like, cross section-wise convex shape adjacent to the topside of the cutting insert.

Indexable insert drill

An indexable insert drill employing a plurality of inserts located substantially in a single radial plane characterized by a round innermost insert having its arcuate cutting edge extending across the axial center line of the drill. One or more supplemental inserts, preferably square in configuration and including chip interruption notches positioned for positive axial lead, continue the cutting action radially beyond the arcuate center cut of the round insert with an outermost corner adapted to finish cut the side wall diameter of the hole.

Indexable-insert drill

PCT No. PCT/EP94/01626 Sec. 371 Date Mar. 16, 1995 Sec. 102(e) Date Mar. 16, 1995 PCT Filed May 19, 1994 PCT Pub. No. WO94/27772 PCT Pub. Date Dec. 8, 1994A drilling tool having an elongated body with a longitudinal axis and provided with at least one insert receiving pocket and an indexable cutting insert for use with the drilling tool for performing drilling action is disclosed. The insert of the drilling tool includes a rake face, relief flank faces, a base, a plurality of cutting edges, each defined between the rake face and adjacent relief flank face and included between two adjacent cutting corners. Each cutting edge has at least one set of component cutting edges, each set having two pairs of component cutting edges merging in a common point, each pair comprising a first and a second component cutting edge merging via a bridging section directed towards a central line constituting or parallel to a median line of the insert and passing through the common point. The component cutting edges are oriented with respect to the central line so that an outermost extremity of the second component cutting edge is closer to a center of the insert and to the central line than the outermost extremity of the first component cutting edge. This ensures that during the drilling action, a line parallel to the longitudinal axis and passing through the outermost extremity of the first component cutting edge intersects the second component cutting edge and the extremities overlap.

Multi-piece drill head and drill including the same

One non-limiting aspect of the present disclosure is directed to a multi-piece spade drill head for a spade drill, wherein the spade drill includes an elongate body portion and a cutting portion removably secured to an end of the body portion. The multi-piece spade drill head includes at least two insert pieces, each piece including a cutting edge. The at least two insert pieces are configured to be removably secured to the body portion of the spade drill adjacent one another and with the cutting edges of the insert pieces aligned to together form a cutting edge on an end of the spade drill.

Drilling tool

Drilling tool

ドリル及び切削インサート

(57)【要約】 【課題】 摩耗した部分が作動位置への割出しを阻害し ない、４つの切削刃のインサートを提供する。 【解決手段】 ドリルは、２つのチップ溝と中央インサ ートと周縁インサートのための２つの挿入ポケットとを 有するドリルシャンクを具備し、周縁インサートの作動 縁が切屑をチップ溝を通って送る間にドリル穴の径が決 定されるよう側方に突出し、中央インサートの作動縁が ドリルシャンクの周縁の半径方向内側に設けられ切屑を 他のチップ溝を通って送るようにする。切削インサート の作動縁は回転軸線と周縁との間の領域で相互に重な る。中央インサートの作動縁はドリルの回転軸線の内側 に回転軸線を通る被加工片まで延びる。中央インサート はすくい角を形成するすくい角表面を持つ４つの切削刃 を有する。中央インサートの作動縁のすくい角は重なり 部分でドリルの回転軸線におけるより大きくなってい る。

Small drill

본 발명의 소형 드릴은, 날끝부 (11) 의 둘레면에 1개의 칩 배출홈 (12) 과 이 칩 배출홈 (12) 의 드릴 회전방향 (T) 전방측으로 연통하여, 날끝부 (11) 의 둘레면에 개구되는 홈형상부 (15) 를 형성한다. 중심두께비율 (d/D) 을 60% 이상으로 설정한다. 마진각 (θ) 을 120°이상으로 설정한다. 이 소형 드릴은 높은 강성을 갖고, 칩 배출성이 양호하며, 구멍 위치 정밀도가 높다. The small drill of the present invention communicates with the one chip discharge groove 12 and the drill rotation direction T front side of the chip discharge groove 12 on the peripheral surface of the blade edge portion 11, The groove 15 is formed in the circumferential surface. Set the center thickness ratio (d / D) to 60% or more. Set the margin angle θ to 120 ° or more. This compact drill has high rigidity, good chip evacuation, and high hole positioning accuracy.

Drill and drill tip

A drill comprising, a central cutting edge tip which is arranged on an axial portion of a distal end of a spindle body, and a peripheral cutting edge tip which is arranged on an outer peripheral portion of the distal end of the spindle body, each of the tips including a tip body, the central cutting edge tip being arranged so that its longitudinal direction is parallel with a radius direction of the spindle body, a long-side cutting edge and a long-side corner cutting edge adjacent to an axial side of the long-side cutting edge being formed as an end cutting edge, and the short-side corner cutting edge adjacent to the long-side corner cutting edge being arranged so as to go beyond the axis of the spindle body, the peripheral cutting edge tip being arranged so that its longitudinal direction is parallel with a radius direction of the spindle body, the short-side cutting edge and the short-side corner cutting edge adjacent to an outer peripheral side of the short-side cutting edge being 9 formed as an end cutting edge, and the long-side corner cutting edge adjacent to the short-side corner cutting edge being arranged so as to be inclined with respect to an axis of the spindle body.

Drill and cutting insert

Drilling tool and indexable drill bit

제 1 양태에서, 본 발명은 본 발명은 본체 및 2 개의 비트 즉, 중앙 비트 (3) 와 주변 비트 (4) 를 구비한다. 적어도 중앙 비트 (3) 는 4 개의 절삭날 (12) 을 포함하며, 이 절삭날은 하나의 동일한 형상을 가지며, 천이날부 (22) 에 의해 이격된 2 개의 부분날 (20-3, 21-3)(제 1 부분날 (20-3) 이 제 2 부분날 (21-3) 이전에 축선 방향으로 위치됨), 및 드릴의 중식 축선 (C) 에 수직한 가상의 횡단면 (TP2) 에 적어도 부분적으로 위치되는 주변 비트 (4) 상에 작동 절삭날 (20-4) 을 구비하며, 횡단 위치는 중앙 비트 (30) 의 2 개의 부분날 (20-3, 21-3) 에 대해 유사한 횡단면 (TP1, TP3) 사이에 위치되므로, 한편으로는 중앙 비트 (30) 의 제 1 부분날 (20-3) 뒤에 공작물에 진입하고, 다른 한편으로는 중앙 비트의 제 2 부분날 (21-3) 이전에 공작물에 진입한다. 제 2 양태에서, 또한 본 발명은 이와 같은 드릴 비트에 관한 것이다. In a first aspect, the present invention comprises a main body and two bits, namely a center bit 3 and a peripheral bit 4. At least the center bit 3 comprises four cutting edges 12, which have one identical shape and are separated by two partial edges 20-3, 21-3 separated by the transition blade portion 22. ) (First partial blade 20-3 is located in the axial direction before second partial blade 21-3), and at least partially in imaginary cross section TP2 perpendicular to the dietary axis C of the drill. With a working cutting edge 20-4 on the peripheral bit 4, which is located in the cross section, with a cross section similar to the two partial edges 20-3, 21-3 of the central bit 30. , On the one hand, enters the workpiece behind the first partial blade 20-3 of the center bit 30 and on the other hand before the second partial blade 21-3 of the center bit 30. Enter the workpiece. In a second aspect, the invention also relates to such a drill bit.

Drill with polyhedral cutting tip

FIELD: metal cutting tool for drilling and boring. SUBSTANCE: drill has elongated body with lengthwise axis. On working end of drill body at least one cutting tip is mounted in seat. Cutting tip has several cutting edges arranged between two abutting cutting angles of tip. At least one cutting edge includes at least one set of buildup cutting edges consisting of two pairs of edges. Each pair includes first and second buildup edges. First buildup edges of both pairs join in common point and they are inclined in such a way that extremity of second buildup cutting edge the most inner relative to above mentioned common point is arranged nearer to tip center than extremity of first buildup cutting edge the most outer relative to said common point. Said extremities are mutually joined by bridge directed to tip center and inclined relative to mean line of tip in such a way that extremity of second buildup cutting edge is arranged nearer to mean line than extremity of first buildup cutting edge. EFFECT: balance of cutting efforts acting upon tool, chip breaking. 30 cl, 18 dwg бл убсЬтс ПЧ ГЭ РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (19) (51) МПК ВИ” 21429 479 ' 13) Сл В 23 В 51/00 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 95108593/02, 19.05.1994 (30) Приоритет: 20.05.1993 Ш 105758 (46) Дата публикации: 27.04.1999 (56) Ссылки: УР 59196107 А, 07.11.84. ЗЦ 1248729 А, 07.08.86. 5Ц 1634388 АЛ, 23.11.92. $94 1776497 АЛ, 23.11.92. КО 20171813 СЛ, 20.01.97. ОЕ 1402954 А, 10.02.72. Семенченко И.И. и др. Проектирование металлорежущих инструментов. - М.: Машгиз, 1962, с, 392, фиг. 194. Серебреницкий П.П. и др. Сверла с механическим креплением многогранных твердосплавных пластин. Станки и инструменты. - 1979, М9, с. 41. (85) Дата перевода заявки РСТ на национальную фазу: 17.01.95 (86) Заявка РСТ: ЕР 94/01626 (19.05.94) (87) Публикация РСТ: \/О 94/277712 (08.12.94) (98) Адрес для переписки: 103062, Москва, ул.Покровка, 27, строение 1 АГ, ...

Insert boring tool

Boring tool

A drilling tool, in particular a drill, has replaceable cutting elements that form the cutting edges, and chip-removing flutes. A chip shaping area (22) at least partially made of a more wear-resistant material than the drill body itself is arranged next to the faces (11) of the main cutting edges (5) approximately in the chip flow direction. In another embodiment, the chip shaping area if made of the same material as the drill body and is subjected to a subsequent local hardening process that makes it wear-resistant.

Drill for metal drilling

A drill for drilling in metal with improved performance in the smaller diameter range. The drill comprises a drill shaft, the front end of which is provided with radially outer and radially inner inserts, each insert having elongated rhomboidic shape, in which each of the short sides is broken at its middle to form a V-shape having an internal obtuse angle. The inserts are arranged such that the longitudinal axis of the radially outer insert is inclined at an angle from the longitudinal axis that is different from the angle of inclination between the longitudinal axis of the radially inner insert and the longitudinal axis of the drill.

Drill bits for metal drilling

A cutting insert for a during includes a broken main cutting edge, the ends of which join respective additional edges of the insert by curved nose portions. Each curved nose portion forms a curved cutting edge defined by at least three sequentially arranged curved cutting edge segments defined by respective radii of different sizes. A first of the segments joins one end of the main cutting edge and has a first radius. The next segment has a radius of different length than the first radius and projects farther laterally than the first segment to perform a wiping function.

Metal-cutting drill has a tip formed of cutting edges of a specific geometry designed to optimise metal cutting speed

A drill has a tip with at least two cutting edges (8,8') and at least two chip flutes (7,7'). Cutting edges on mutual sides of the axial center line (CL) have a straight unbroken contour, the central portions of which extend axially beyond the peripheral portions. The nose radius portion on each cutting edge at the periphery is confined by a number of circular segments with mutually different radii, adjacent radii always appearing with a different size. The cutting edges are preferably provided on cemented carbide inserts (9,9').

Korthalsborr, samt sker derfor

Schneideinsatz

Borr, foretredesvis med vendsker

DRILLING TOOL FOR DRILLING HOLES IN SOLID METAL OF WORKPIECES

Cutting insert for drill

A cutting insert for a during includes a broken main cutting edge, the ends of which join respective additional edges of the insert by curved nose portions. Each curved nose portion forms a curved cutting edge defined by at least three sequentially arranged curved cutting edge segments defined by respective radii of different sizes. A first of the segments joins one end of the main cutting edge and has a first radius. The next segment has a radius of different length than the first radius and projects farther laterally than the first segment to perform a wiping function.

A boring tool

Drilling plate with clamping attachment in a base body

Die Erfindung beschreibt eine Bohrplatte mit einer klemmenden Befestigung in einem drehend angetriebenen Grundkörper, der an seiner einen Stirnseite eine nach oben offene Zentriernute ausbildet, in deren Grund ein sich in das Material des Grundkörpers erstreckender Klemmschlitz angeordnet ist, wobei die Zentriernute durch mindestens zwei einander gegenüberliegende Befestigungsbacken begrenzt ist, in deren Bereich mindestens zwei diametral gegenüberliegende Anschläge zur zentrierenden Anlage an die Bohrplatte angeordnet sind und die Klemmbefestigung durch eine Befestigungsschraube gebildet ist, welche die Bohrplatte in der Zentriernute (2.3) einklemmt. DOLLAR A Um eine verbesserte Übertragung der Arbeitsdrehmomente von der Bohrplatte auf den Grundkörper bei einfacherer Handhabung zu gewährleisten, ist vorgesehen, dass an der Bohrplatte bezüglich der Mittenquerachse mindestens zwei diametral einander gegenüberliegende Zentrierflügel angeordnet sind, die sich an zugeordneten Anschlagflächen an den zugeordneten Befestigungsbacken des Grundkörpers anlegen. The invention relates to a drilling plate with a clamping attachment in a rotationally driven base body, which forms an upwardly open centering groove on its one end, in the bottom of which is arranged in the material of the body extending clamping slot, wherein the centering grooves by at least two opposing Fixing jaws is limited, in the area at least two diametrically opposed stops are arranged for centering contact with the drill plate and the clamp is formed by a fastening screw which clamps the drill plate in the centering groove (2.3). DOLLAR A In order to ensure improved transfer of working torque from the drill plate to the body with easier handling, it is provided that at least two diametrically opposed centering are arranged on the drill plate with respect to the central transverse axis, which are located on associated stop surfaces on the associated mounting jaws of the body invest.

Drills, especially pointed drilling tools with exchangeable cutting inserts

Drilling tool

PCT No. PCT/EP96/00570 Sec. 371 Date Aug. 27, 1997 Sec. 102(e) Date Aug. 27, 1997 PCT Filed Feb. 10, 1996 PCT Pub. No. WO96/27469 PCT Pub. Date Sep. 12, 1996A drilling tool comprises a drill tip, a chip removal part which axially adjoins the drill tip, and a drill shank which is positioned at the end of the chip removal part. Two chip flutes extend in a helical manner over the chip removal part starting at the main cutting edges of the drill tip. The drilling tool is separated into two parts in the region of the chip removal part and consists of a base body which is connected to the drill shank as one part and an exchangeable tip made of a harder material which is connected to the drill tip as another part. The exchangeable tip is connectable to the base body in a form-fitting and/or frictional-fitting manner at an axial separation point.

Drilling tool for drilling in solid metal

Drilling tool

PCT No. PCT/EP95/04425 Sec. 371 Date May 9, 1997 Sec. 102(e) Date May 9, 1997 PCT Filed Nov. 10, 1995 PCT Pub. No. WO96/14954 PCT Pub. Date May 23, 1996A drilling tool, in particular a drill, has replaceable cutting elements that form the cutting edges, and chip-removing flutes. A chip shaping area (22) at least partially made of a more wear-resistant material than the drill body itself is arranged next to the faces (11) of the main cutting edges (5) approximately in the chip flow direction. In another embodiment, the chip shaping area if made of the same material as the drill body and is subjected to a subsequent local hardening process that makes it wear-resistant.

Drill throw-away tip and drill

Solid drill bit for machine tools

A solid drill bit for machine tools. has a bit body and two movable inserts located a radial distance apart in insert seats of the bit body. The inserts have a rectangular or quadratic contour, project axially over the bit body with their major cutting edges and overlap in their working area. The outer movable insert projects radially beyond the periphery of the bit body with its outer cutting edge corner and with the adjoining minor cutting edge. Starting from the cutting edge corner, the minor cutting edge is inclined in the direction of the bit body at a setting angle of less than 3.2 °. The minor cutting edge has a guiding edge that is slidingly supported against the wall of the bore over at least part of its length due to a radially outwardly oriented thrust force.

Solid drill bit for machine tools

The invention relates to a solid drill bit for machine tools. Said first bit has a bit body (10) and two movable inserts (20,22) which are located a radial distance apart, each in an insert seat (16,18) of the bit body (10), in the area of a chip-conveying channel (12,14). The moveable inserts (20,22) have a rectangular or quadratic contour, project axially over the bit body (10) with their front-end main blades (30,34) and overlap each other radially in their working area. The radially outer movable insert (22) projects radially beyond the periphery of the bit body (10) with its outer tool corner (36) and with its adjoining secondary blade (38), which is perpendicular to the corresponding main blade (34). Starting from the tool corner (36), the longitudinal extension of the secondary blade (38) concerned is inclined in the direction of the bit body (10) at a defined setting angle of less than 3.2°. The secondary blade (38) has a guiding edge (44), with which it is slidingly supported against the wall (42) of the bore that is produced during the drilling process, at least over part of its length and under the influence of a radially outwardly oriented thrust force.

FULL DRILL FOR MACHINE TOOLS

Solid drill bit for machine tools

Solid drill bit for machine tools

The invention relates to a solid drill bit for machine tools. Said first bit has a bit body (10) and two movable inserts (20,22) which are located a radial distance apart, each in an insert seat (16,18) of the bit body (10), in the area of a chip-conveying channel (12,14). The moveable inserts (20,22) have a rectangular or quadratic contour, project axially over the bit body (10) with their front-end main blades (30,34) and overlap each other radially in their working area. The radially outer movable insert (22) projects radially beyond the periphery of the bit body (10) with its outer tool corner (36) and with its adjoining secondary blade (38), which is perpendicular to the corresponding main blade (34). Starting from the tool corner (36), the longitudinal extension of the secondary blade (38) concerned is inclined in the direction of the bit body (10) at a defined setting angle of less than 3.2°. The secondary blade (38) has a guiding edge (44), with which it is slidingly supported against the wall (42) of the bore that is produced during the drilling process, at least over part of its length and under the influence of a radially outwardly oriented thrust force.

Machine tool peeling drill

Solid drill bit for machine tools

用于多功能机械加工的刀夹装置

一种用于诸如钻、镗、铣以及车之类的多功能机械加工的刀夹(TH)装置，消除了铣和车之间的干扰，并确保用于排屑的足够的容屑槽空间(10)而不会降低刀夹(TH)的刚度，从而确保高质量的机械加工；以及一种适合上述用于多功能机械加工的刀夹(TH)装置的专用连接装置(TA)。

Drilling tool and method for producing port seals

The present invention provides a new drilling tool useful in machining hydraulic port seals for fluid power ports. The drilling tool drills the port hole to size in a solid material for the minor thread diameter in combination with forming the port in a single operation. The drilling tool has a tool holder having a rotational axis, a first drilling insert having cutting surfaces on a first side and a mounting surface on a second side, at least one second drilling insert having a predetermined cutting surface portion and a mounting portion which is mounted on the holder at a location from the rotational axis of the holder. The at least one second drilling insert has first and second portions which engage and machine a work piece in a drilling operation to form a spot face and a seal form.

DRILLING TOOL WITH REPLACEMENT PLATES AND REPLACEMENT PLATES FOR SUCH A DRILLING TOOL

Adjustable indexable drill and modular system and holder

An adjustable drill is provided comprising a drill body having at least one face surface with a plurality of serrations provided therewith. The drill further has at least one cartridge having a cooperating plurality of second serrations, to be driven with the drill body when assembled therewith. The at least one cartridge includes at least one insert pocket, and at least one insert is releasably affixed in the insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.

Adjustable indexable drill and modular system and holder

An adjustable drill has a drill body having a face surface with a directional feature provided therewith. At least one cartridge is mounted adjacent the face surface and selectively slidable along the directional feature to provide adjustment. At least one insert is releasably affixed in an insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.

Insert boring tool

An insert boring tool includes radially outward and inward cutting inserts mounted thereon. The radially outward and inward inserts are arranged such that end cutting edges of the respective inserts are intersected with each other at a point of intersection in loci of rotation of the respective inserts in a plane containing an axis of a tool body. The radially outward and inward inserts are positioned such that, assuming that a radial distance between the point of intersection and a radially outermost end of the end cutting edge of the radially outward insert is A, and a radial distance between the point of intersection and a radially innermost end of the end cutting edge of the radially inward insert is B, a ratio of A/B takes a value of from 2/8 to 45/55.

Drill with indexable inserts

A drill having inner and outer indexable cutting inserts for forming a hole in a workpiece. The inner insert is positioned at a non-negative radial angle and is set out axially ahead of the outer insert to increase the service life of the inserts. Tungsten carbide wear strips are spaced angularly around the drill body to limit radial movement of the body and to prevent the body from wearing.

Indexable insert drill

An indexable insert drill employing a pair of radially opposed inserts having either positive or negative axial lead cutting edges extending in the same cone of revolution. One of the inserts has a radially inner arcuate corner intersecting and extending across the axial center line. The other insert is located relatively overlapping but outward radially with an outermost corner adapted to finish cut the side wall diameter of the hole. Insert cutting edges provide for chip interruption and breakage.

DRILL WITH REPLACEMENT KIT

COMBINED DRILLING AND MILLING TOOL

Indexable insert drill

An indexable insert drill is disclosed that avoids formation of a breakout slug and therefore is particularly suited for drilling a laminate workpiece or stacked workpieces. The tool includes a cylindrical body provided with opposed flutes. A radially inner indexable carbide insert is releasably secured in the back wall of one flute at the leading end of the body and a radially outer insert is similarly secured in the back wall of the opposed flute. The inserts present an active cutting edge generally disposed in a transverse plane containing the axis of the tool and in axially leading relation relative to the tool body, and together are adapted to cut a hole of given diameter with the active cutting edges providing for overlap therebetween. The active cutting edges of the respective inserts have an axially leading point adjacent to their inner extremity disposed in a common plane generally normal to the tool axis and extend obliquely therefrom at a trailing angle relative to that common plane with the active cutting edge of the inner insert having a lesser trailing angle than the active cutting edge of the outer insert. The location and orientation of the inserts in the tool body providing for their respective active cutting edges to cut paths that intercept each other such that each insert will cut a pair of radially spaced chip segments as the tool progresses relative to a workpiece.

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