Integral Forming Method for Heavy Trucks' Seamless Axle Housing
A technology of integral forming and heavy-duty trucks, which is applied in the field of automobile manufacturing, and can solve the problems that the inner size of the rear oil cover cannot meet the requirements for installing bearings, inconvenient blank processing, and low material utilization rate, etc., and achieves reduced liquid pressure and high shape accuracy , Reasonable effect of wall thickness distribution
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[0033] Such as figure 1 , figure 2 Shown is a heavy-duty truck rear drive axle (without wheel side reducer) stamped and welded axle housing, the main parameters include: the middle section height of the bridge package part d m 540mm, the height of the rectangular straight arms on both sides of the bridge bag is 164mm, the width is 152 mm, and the outer diameter of the two ends of the bridge housing is d e Φ170mm, the inner diameter of the cylindrical hole of the rear oil cap d z It is φ241mm. The process steps of the method for integrally forming a heavy truck axle housing of the embodiment of the present invention are as follows:
[0034] (1) Choose Q345B seamless steel pipe with outer diameter of 273mm and wall thickness of 16mm, such as image 3 Shown.
[0035] (2) The diameter of the tube blank is compressed by the opposite mandrel on both sides. Reduce the diameter on a three-way hydraulic press, clamp the middle of the tube blank with the upper and lower modules of the mold,...
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