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High-strength two-axle swing arm forging process

A high-strength, high-tech technology, applied in the field of forging technology, can solve the problems of shortened service life, lack of material on the surface of the bend, and failure to meet customer needs, etc., to achieve the effect of sufficient service life and guaranteed strength

Pending Publication Date: 2022-02-25
重庆凯斯瑞机电设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a high-strength two-bridge swing arm forging process to solve the problem that after the blank is bent, the surface of the blank will be folded or the material will be unevenly distributed. T

Method used

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  • High-strength two-axle swing arm forging process
  • High-strength two-axle swing arm forging process
  • High-strength two-axle swing arm forging process

Examples

Experimental program
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Example Embodiment

[0027] Example

[0028] The high-strength two-bridge swing arm forging process includes the following steps:

[0029] S1 blanking; take the steel of the required size;

[0030] S2 is heated for the first time; the steel is heated to 1150±50℃; the heating time is 1-1.5h, and the holding time is 1.5-2h;

[0031] S3 pull out the bar; carry out the elongation operation on the heated billet, and flatten the top of the billet after the pull-out treatment.

[0032] S4 bending; bending the billet to increase the rounded corners of the billet, allowing more material to be reserved at the billet’s curved shape, thereby increasing the thickness of the billet’s curved shape; The folding problem all occurs in the material-increasing part at the bend of the blank, that is, the excess part 13 that allows the folding to appear on the surface of the bend of the blank;

[0033] S5 cutting; use cutting equipment to cut the billet after the bending process, so that the excess part 13 of the cu...

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Abstract

The invention relates to the technical field of forging processes. The invention discloses a high-strength two-axle swing arm forging process which comprises the following steps of S1, blanking; S2, heating for the first time; S3, carrying out stem pulling; S6, pre-forging for the first time; S7, carrying out primary finish forging; and S8, trimming for the first time, wherein the method further comprises the following steps between S3 and S6: S4, bending; enabling the blank to be subjected to bending treatment; and S5, cutting; and cutting equipment is used for cutting the bent blank so that the redundant part of the surface of the bent part of the blank is cut off. According to the scheme, the problems that after the blank is bent, the surface of the bent position of the blank is folded or bent material distribution is uneven, the surface of the bent position of the blank needs to be reprocessed, material shortage of the surface of the bent position of the product is directly caused, the strength of the product is reduced, the service life is shortened, and the requirements of customers cannot be met.

Description

technical field [0001] The invention relates to the technical field of forging technology. Background technique [0002] A series of devices used to change or maintain the driving or reverse direction of the car is called the car steering system. The function of the car steering system is to control the driving direction of the car according to the driver's wishes; the car steering system is very important to the driving safety of the car, so The parts of the automobile steering system are called security parts, among which, the swing arm of the second axle is an important part of the automobile steering system. [0003] At present, the swing arm of the second bridge is made by forging process, specifically: blanking, heating, pulling rod, bending, pre-forging, final forging, trimming, quenching and tempering, shot blasting; After the bending treatment, the blank is shaped like a U shape, but the surface of the bending part of the blank will be folded or unevenly divided. I...

Claims

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Application Information

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IPC IPC(8): B23P15/00B62D7/16B21J5/00B21J5/02
CPCB23P15/00B62D7/16B21J5/002B21J5/025
Inventor 雷中文
Owner 重庆凯斯瑞机电设备有限公司
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