A kind of automobile middle shaft Forging Technology

A kind of automobile middle shaft Forging Technology

  • CN 106,239,069 A
  • Filed: 08/24/2016
  • Published: 12/21/2016
  • Est. Priority Date: 08/24/2016
  • Status: Active Application
First Claim
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1. an automobile middle shaft Forging Technology, it is characterised in that:

  • comprise the steps;

    initially with the flat anvil having arc convex surfaceBlocking base;

    Circulation upset jumping-up, then shapes jumping-up, then two passage edgings, reaches two ends by the pressure down of mould and pulls out,Forging 90-degree rotation is extruded after completing by the first passage again, makes forging be squeezed into the shape of rule;

    Then finish-forging, at trimmingReason, after after 880~

    900 DEG C of oil hardening 0.5~

    1 hour, 600~

    620 DEG C are tempered 2~

    2.5 hours, described arc convex surfaceFlat anvil, is formed by the arc convex surface of two or more equal radii in the middle part of it, is slipped over by circular arc camber light between adjacent circular arc convex surfaceDegree.

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