Automatic scanning atomizer suitable for spray forming

The invention provides an automatic scanning atomizer applicable to spray forming, which relates to an atomizer. The invention solves the problems of the atomizers in the prior art that the scope of application is narrow and the spray forming process is difficult to control, etc. Two symmetrical oscillatory gas chambers (3) are arranged at the two ends of an atomizer body (11); two oscillatory gas inlet pipes (4) are respectively communicated with the two oscillatory gas chambers (3); a circular atomized gas chamber (9) is arranged at the center of the bottom head face of the atomizer body (11); one end of an atomized gas inlet pipe (1) is communicated with the circular atomized gas chamber (9); a plurality of oscillatory gas outlet holes (8) are evenly and symmetrically distributed on the lateral wall of the lower part of the two oscillatory gas chambers (3); a conical atomized gas outlet hole (10) are arranged between a circular gas chamber bottom cover (12) and a cylindrical lateral ...

Assisted densification ultrasonic vibration and deposition device for spray-formed deposition billet

The invention provides an assisted densification ultrasonic vibration and deposition device for a spray-formed deposition billet, and relates to an ultrasonic vibration and deposition device, which is used for solving the problem that the deposition billet with excellent properties can be obtained after densification treatment due to the wide freezing range, high viscosity, difficulty in spreading and high possibility of gap formation during the existing fogdrop deposition process. The assisted densification ultrasonic vibration and deposition device comprises a deposition disk (1) and a rotary motor (2), wherein, the deposition disk (1) is arranged on an output shaft of the rotary motor (2); and the device further comprises a flange (3), a piezoelectric ceramic (4) and a support disk (5) which are sequentially and fixedly connected together and sheathed on the rotary motor (2) from the top to bottom. The assisted densification ultrasonic vibration and deposition device is suitable for ...

Method for preventing 5XXX aluminum alloy cast ingot from surface ruffle

A method for preventing a 5XXX aluminum alloy cast ingot from surface ruffle belongs to the aluminum alloy cast ingot processing technology; the additive amount of the trace element Ti of the aluminum alloy is controlled to range from 0.055 to 0.1/% of the gross weight of the aluminum alloy solution; Ti/B ranges from 12 to 15; the cross-section temperature gradient in a cast ingot temperature field is less than 0.05 DEG C/mm, and the casting speed is 100-120 mm/min. The method eliminates the generation of the surface ruffle of the aluminum alloy cast ingot, and is characterized by neat cast ingot surface, high smooth finish, uncracked rolling, stable mechanical property, high yield and simple processing technique.

Ultrahigh-strength aluminum alloy material and preparation method of pipe blank for preparing internal cylinder of separator

The invention relates to an ultrahigh-strength aluminum alloy material and a preparation method of a pipe blank for preparing an internal cylinder of a separator, belonging to the technical field of material processing and solving the problems that the traditional aluminum alloy material has lower tensile strength and the internal cylinder of the separator, which is prepared by using the traditional aluminum alloy material, can not meet the requirements on the separator for working for a long time at high rotating speed. The invention puts a technical emphasis on that the ultrahigh-strength aluminum alloy material comprises the following components in percentage by weight: 10.5-13.0wt% of Zn, 2.3-3.2wt% of Mg, 1.2-1.8wt% of Cu, 0.2-0.3wt% of Mn, 0.2-0.3wt% of Cr, 0.1-0.2wt% of Zr, 0.1-0.2wt% of Sc, less than 0.05wt% of Fe, less than 0.05wt% of Si and the balance of Al. The preparation method of the pipe blank comprises the following steps of: melting alloys, and casting into an alloy ingot ...

Mechanical swinging type atomizing liquid-leading system suitable for preparing large-size jet-diposition blank ingot

Atomizer for spray forming of high-melting-point alloy deposit billets

The invention discloses an atomizer for spray forming of high-melting-point alloy deposit billets, and relates to an atomizer. The invention solves the problem that deposit billets prepared by the atomizer have large grains and low compactness, and cannot be subjected to spray forming to form the high-melting-point alloy deposit billets. A thermal insulating crucible and an atomizing cone are fixedly connected through an atomization plant; the upper part of an upper atomizer is provided with a 35-degree inner taper hole, while the lower part is provided with a step hole communicated with the inner taper hole; the outer wall of the upper atomizer is provided with first external threads; the center of a lower atomizer is provided with first internal threads, a first cylindrical hole and a second cylindrical hole in turn from top to bottom; the side wall of the first cylindrical hole is provided with a second internal threaded hole; the first external threads are screwed in the first internal ...

Rapid forced cooling suitable for thick and large section casting parts

The invention discloses a rapid and forced cooling system which is suitable to castings with thick and big cross-sections, and the invention relates to a cooling system. The invention has a purpose for solving problems that existing spherical iron with the thick and big cross-sections has defects of spheroidalization decaying, spherical graphite deformation, graphite floatation, element inducing, abstraction, contraction cavity and the like and performance of the spherical iron with the thick and big cross-sections will be decreased rapidly after being cooled and eutectic-frozen for a comparatively long time. A delivery end of liquid nitrogen tank of the invention is connected with one end of a low-temperature shutoff valve, the other end of the low-temperature shutoff valve is connected with an entering end of a liquid nitrogen quench cooler, the other end of the liquid nitrogen quench cooler is arranged in a cavity of a cooling core pipe, and a jet is arranged on the liquid nitrogen quench ...

Nodularizer for nodular iron with thick section

The invention discloses a nodularizer for nodular iron with a thick section, and belongs to casting alloys. The nodularizer consists of elements of magnesium, silicon, barium, calcium, rare earth, antimony and iron, wherein the rare earth consists of cerium and yttrium; the nodularizer comprises 6 to 10 weight percent of magnesium, 40 to 48 weight percent of silicon, 5 to 6 weight percent of barium and calcium, 3 to 5 weight percent of rare earth, 0.4 to 0.7 weight percent of antimony and the balance of iron; the ratio of antimony to the rare earth is (8-14): 100; the 3 to 5 percent of rare earth contains 1.5 to 2.5 percent of cerium and 1.5 to 2.5 percent of yttrium; and the ratio of antimony to the cerium is (20-40): 100. After the nodularizer is applied, the nodular iron with the thick section can achieve satisfactory nodulizing effect within the curing time of 240 minutes, and the nodularizer particularly can inhibit graphite distortion in the nodular iron with the thick section.