Method for forging steering knuckle

A steering knuckle and pre-forging technology is applied in the field of steering knuckle forging, which can solve the problems of inability to fill the forgings, difficult processing and quality, and achieve the effects of good forming performance, cutting material and low equipment requirements.

Inactive Publication Date: 2012-06-13
日照市七星汽车部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The automobile industry is the pillar industry of the national economy. The steering knuckle is an important part of the automobile, with many varieties and large consumption. At present, the production and manufacturing of blanks is mainly realized through forging. , final forging, edge trimming and shaping, while the shape of steering knuckle production is complicated, the processing is difficult, the material utilization rate is low, the production efficiency is low, and the scrap rate is high
The existing billet making process mostly uses air hammering at both ends of the billet to elongate, such as figure 1 As shown, and then press bending, although this billet making proce

Method used

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  • Method for forging steering knuckle
  • Method for forging steering knuckle
  • Method for forging steering knuckle

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Embodiment Construction

[0014] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0015] Steering knuckle forging method, including process blanking, heating, billet making, pre-forging, final forging, edge trimming, and shaping, heating the cylindrical blank after blanking, and the cylindrical blank after heating includes billet making, pre-forging, After final forging, trimming and shaping, the steering knuckle is made,

[0016] First, round steel is used as the raw material to cut into a cylindric...

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Abstract

The invention discloses a method for forging a steering knuckle; the steering knuckle is prepared by steps of blank making, pre-forging, final-forging and edge trimming of a heated cylindrical blank, wherein (1) in the blank making step, carrying out upsetting treatment on one end of the cylindrical blank, and then flattening the end subjected to the upsetting treatment; (2) in the pre-forging step, forging the manufactured blank by using a closed die, and arranging a trimming cavity extending along the radial direction at a combination part between an upper die cavity and a lower die cavity of the closed die, wherein the periphery of the trimming cavity is connected with a combination surface between the upper die and the lower die; and (3) in the final-forging step, forging a pre-forged piece by using an open die. According to the method, the utilization rate of materials is greatly increased, the production efficiency is improved, and the rejection rate can be reduced.

Description

technical field [0001] The invention relates to a production technology of automobile components, in particular to a steering knuckle forging method. Background technique [0002] The automobile industry is the pillar industry of the national economy. The steering knuckle is an important part of the automobile, with many varieties and large consumption. At present, the production and manufacturing of blanks is mainly realized through forging. , final forging, edge trimming and shaping, while the shape of steering knuckle production is complicated, the processing is difficult, the material utilization rate is low, the production efficiency is low, and the scrap rate is high. The existing billet making process mostly uses air hammering at both ends of the billet to elongate, such as figure 1 As shown, and then press bending, although this billet making process can ensure that the shaft of the steering knuckle is full, it also has the disadvantages of cumbersome billet making ...

Claims

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Application Information

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IPC IPC(8): B21K7/12
Inventor 陈修山陈成余张宝亮张作勤
Owner 日照市七星汽车部件有限公司
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