Method and equipment for manufacturing gradient functional structure
A gradient function and manufacturing method technology, applied in the direction of manufacturing tools, welding equipment, non-electric welding equipment, etc., can solve the problems of short service life, high manufacturing cost, long processing time, etc., to expand the application field and scope, important Engineering application value, effect of improving welding wire deposition rate
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[0040] 1. adopt method of the present invention and equipment manufacture such as image 3 The 42CrMo steel shaft shown is a steel shaft with variable cross-section, the diameter of the small cross-section is 90mm, and the diameter of the large cross-section is 140mm. The material of the shaft is 42CrMo steel. The processing magnetic field strength is 1.0T, the frequency is 25Hz; the ultrasonic frequency is 70KHz, the power is 700W; the welding current is 300A, the wire feeding speed is 30m / min, the shielding gas is pure argon; the welding pool is selected to solidify sequentially along the axial direction A shaft with a large cross-section is grown, and the shaft meets the requirements; the method and equipment can also be used for surfacing repair of similar structural shafts, without obvious surfacing layered structure, and has the characteristics of high performance, low cost and long life.
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