Wide-line processing indexable bulb milling cutter for mould
Technical field: The invention relates to a mould can be wide-row processing for indexing ball-end milling cutter, in particular relates to a mold processing special efficient milling cutter. Background technology: The car large covering member for finishing of the mould in a single sphere is of the clamp type ball-end milling cutter, the tool processing in the process of processing mode processing box to be point contact, and the ball head is zero linear velocity at the vertex of the milling cutter, the cutter cutting conditions are bad, machine efficiency is low, and that the quality of processing of the shortcoming of not easy to control. If the punch-die processing automobile covering the opening of the mould such as the small curvature, using conventional ball milling cutter processing efficiency is very low. The ball and the non-rotary cutting tool of the milling cutter, the knife edge failure, needs to be reground, or can not use a, increases the use cost of the cutting tool, the processing efficiency is reduced. The content of the invention is: The purpose of this invention is to provide a mould for the wide-row processing indexable ball-end milling cutter. The purpose of this invention is realized as follows: A mould for the wide-row processing indexable ball-end milling cutter, the main body, the main body is provided with four cutting edges, the four cutting edge for cutting edge one , cutting edge two , cutting edge three , cutting edge four , each of said cutting edge are respectively provided with and by the tool face one of the front cutting edge, , former tool face two , the former tool face three , four front blade and rear blade faces a, rear tool face two , tool face three after, tool face four after, the ground the upper surface of the main body respectively connected with the former tool face one , the front face of the transition portion is an inclined plane and a second inclined plane, the lower surface of the main body respectively connected with the former tool face two , the four transition portion of the front face and the inclined plane inclined plane three to four. The mould for the wide-row processing indexable ball-end milling cutter, the middle of the main body with a fastening screw hole, said main body through a fastening screw is connected with the corresponding bar. The mould for the wide-row processing indexable ball-end milling cutter, the cutting edge is a circular arc, each adjacent the cutting edge of the center of the two different, the middle part is a straight blade, the cutting edge has the structure. Beneficial effects: 1. Ball head part ball head milling cutter of the present invention adopts a double-ball structure, can avoid point contact ball head milling cutter in the past caused by the processing efficiency of the processing box low, quality of the surface processing and the like is not controllable. The invention can adopt the rotary structure, having four cutting edges, than the current fine machining of the mold used for multi-ball head milling cutter of the two cutting edges, the number of the cutting edge for the current 2 times, the service life is the current 2-3 times, processing efficiency can be greatly improved. Two ball head milling cutter of the present invention the straight cutting edge in the form of sphere, weaken the ball-end milling cutter for machining the vertex line speed is zero in the process of reducing the service life of the cutter and the quality of the surface of the impact of the variation. The Figure illustrates: Attached Figure 1 is an elevational view of the invention. Attached Figure 2 is a side view of the invention. Attached Figure 3 is a rear view of the invention. Attached Figure 4 is a cross-sectional view of the invention. Specific embodiment: Embodiment 1 : A mould for the wide-row processing indexable ball-end milling cutter, its composition includes: main body, said main body is provided with four cutting edges, the four cutting edge for cutting edge one (1), cutting edge two (5), cutting edge three (7), cutting edge four (11), the four cutting edges are respectively provided with the front face of the adjacent one (12), the second face (17), three front blade (8), four front face (19) and the rear face a (18), the rear face b (4), three of the (15), the four blade (10), the upper surface of the main body (3) are connected with the front face of the main body of the three (8), a front face (12) is inclined a transition part (6) and inclined plane b (2), the lower surface of the main body (14) are respectively connected with the front face of the main body second (17), the front face (19) the four three transition part (16) and inclined plane four (13). Embodiment 2 : According to an embodiment 1 of the mould for the wide-row processing indexable ball-end milling cutter, the middle of the main body with a fastening screw hole (9), said main body through a fastening screw is connected with the corresponding bar. Embodiment 3 : According to embodiment 1 or 2 of the mould for the wide-row processing indexable ball-end milling cutter, the cutting edge is a circular arc, each adjacent the cutting edge of the center of the two different, the middle part is a straight blade, the cutting edge has the structure. The invention relates to a wide-line processing indexable bulb milling cutter for a mould, and is used for solving the problem that the processing efficiency of the conventional bulb milling cutter is low when opening small-curvature moulds such as automobile covering part skylight convex-concave moulds are processed. The wide-line processing indexable bulb milling cutter provided by the invention comprises a body, wherein the body is provided with four cutting edges, and the four cutting edges are a cutting edge I (1), a cutting edge II (5), a cutting edge III (7) and a cutting edge IV (11); each cutting edge is respectively provided with a front tool surface (12), a front tool surface (17), a front tool surface (8), a front tool surface (19) and a rear tool surface (18), a rear tool surface (4), a rear tool surface (15) and a rear tool surface (10), and the front tool surface (12), the front tool surface (17), the front tool surface (8) and the front tool surface (19) are adjacent to the cutting edge; transition parts of an upper surface (3) of the body and the front tool surface (8) and the front tool surface (12) are respectively an inclined surface (6) and an inclined surface (2), and transition parts of a lower surface (3) of the body and the front tool surface (17) and the front tool surface (19) are an inclined surface (16) and an inclined surface (13). The wide-line processing indexable bulb milling cutter provided by the invention is used for a cutter for machining. 1. A mould for the wide-row processing indexable ball-end milling cutter, its composition includes: main body, is characterized in that: the body is provided with four cutting edges, the four cutting edge for cutting edge one , cutting edge two , cutting edge three , cutting edge four , each of said cutting edge are respectively provided with and by the tool face one of the front cutting edge, , former tool face two , the former tool face three , four front blade and rear blade faces a, rear tool face two , tool face three after, tool face four after, the upper surface of the main body respectively connected with the former tool face one , the front face of the transition portion is an inclined plane and a second inclined plane, the lower surface of the main body respectively connected with the former tool face two , the four transition portion of the front face and the inclined plane inclined plane three to four. 2. Mould for the wide-row processing indexable ball-end milling cutter according to Claim 1, which is characterized in that: the main body has a fastening screw hole, said main body through a fastening screw is connected with the corresponding bar. 3. Mould for the wide-row processing indexable ball-end milling cutter as in Claim 1 or Claim 2, which is characterized in that: said cutting edge is a circular arc, each adjacent the cutting edge of the center of the two different, the middle part is a straight blade, the cutting edge has the structure.