Technical method for forming semi-axle housing tube for large-diameter flange
A forming technology, a half-shaft sleeve technology, is applied in the field of plastic forming of metal parts to achieve the effect of reducing the difficulty of the process, reducing the cost of equipment investment, and ensuring the coaxiality
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[0016] A technical method for forming a large-diameter flange half-shaft sleeve. The forming technical method uses hot-rolled round steel as a blank, and the blank is cut by sawing and then heated, and then heated by an extruder to complete the upsetting head The process steps; and then it is formed by the swing rolling machine; finally, the half-shaft sleeve forging is formed through a forward extrusion and a reverse extrusion forming process; in the actual implementation of the patent, such as figure 1 As shown, the shape of the forging is complicated. The outer diameter of the forging head flange is φ202mm, the rod is a stepped shaft, the minimum rod diameter is φ88mm, and the length of the forging is 371mm. In addition, the required stroke for inner hole forming and retrieval is required. The equipment stroke is greater than 1000mm, the mold closing height is greater than 700mm, and there is a large enough workbench; therefore, a large-stroke hydraulic press is used to comple...
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