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Passenger vehicle forging production process

A production process and technology for passenger cars, applied in the field of passenger car forging, can solve the problems of unstable product quality, short service life, rough product appearance, etc., to achieve convenient structure and rigidity, good straightness, and reduced energy consumption. Effect

Inactive Publication Date: 2020-04-03
江苏珀然车轮智造有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The mechanical properties of the steel produced by the existing technology are not high in all aspects, and the service life will be relatively short, and the quality of such products is unstable, the finished product has a rough appearance, and the produced frame often has pores inside, which affects its quality. rigidity

Method used

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  • Passenger vehicle forging production process

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0028] refer to figure 1 , a passenger car forging production process, comprising the following steps:

[0029] S1: When forging a passenger car, it needs to go through the following steps: blanking → first heating → first die forging → second heating → second die forging → third heating → edge cutting → First pickling→heat treatment→second pickling→forging repair→forging inspection.

[0030] S2: The specific process in each step is:

[0031] (1) Blanking: Use a grinding wheel cutting machine to cut the material, turn the end face, and round the corner R5.

[0032] (2) The first heating: use an electric furnace for heating, the furnace temperature is 450±10°C, and...

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Abstract

The invention discloses a passenger vehicle forging production process which comprises the following steps of emptying; first time heating; first time die forging; second time heating; second time dieforging; third time heating; hot trimming; first time pickling; thermal treatment; second time pickling; forge part trimming; and forge part inspection when a passenger vehicle is forged. According to the shape characteristics of a product and a batched production demand of the product, a blank rolled and formed by a transverse rolling machine in the die forging and thermal treatment steps are high in surface precision, good in straightness and few in consumed time for scaled production of forging, the initial forging temperature can be improved correspondingly, and the outer surface of the product can be passivated by means of pickling and hot working. Air bubbles in the produced blank float, so that the integral structure and rigidity of the product are detected conveniently. As a result of targeted treatment, the energy consumption is reduced and the surface precision of the product is improved.

Description

technical field [0001] The invention relates to the field of passenger car forging technology, in particular to a production process of passenger car forging. Background technique [0002] The essence of forging is to apply external force to the blank through tools or dies. The blank absorbs mechanical energy, changes the distribution of stress state inside, and causes the displacement and deformation flow of material particles; for hot forging, the blank also absorbs heat energy due to being heated. , a corresponding change in the internal temperature distribution occurs. Driven by force energy and thermal energy, the blank produces changes in appearance, shape, size, and internal structure and performance. [0003] The mechanical properties of the steel produced by the existing technology are not high in all aspects, and the service life will be relatively short, and the quality of such products is unstable, the finished product has a rough appearance, and the produced fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/06B21J1/06B21J5/02B21J5/00
CPCB21J1/06B21J5/002B21J5/008B21J5/02B23P23/06
Inventor 万金华彭桂云王飞茆文夏程强张彤黄宁宁彭亚珍
Owner 江苏珀然车轮智造有限公司
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