Automotive lower front arm guide pipe processing technology

A processing technology and a catheter technology, which is applied in the field of automobile front and lower arm catheter processing technology, can solve the problems of long production cycle, high cost, large machining allowances for inner holes and outer circles, etc., and achieves short production cycle, low cost, and processing The effect of less margin

Inactive Publication Date: 2016-07-13
HENGYANG FENGSHUN AXLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the specifications of the profile cannot fully meet the processing requirements, the machining allowance of the inner hole and the outer circle is larg

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0006] First select a standard pipe with an inner hole diameter larger than the inner hole diameter of the product pipe by 1 to 2 mm, and an outer diameter larger than the outer diameter of the product pipe by 2 to 4 mm, and use a special extrusion die to extrude the selected standard pipe into a product profile , And then according to the design requirements, cut the above-mentioned product profiles into product short materials, and then respectively carry out the car surface, inner hole, chamfering and deburring on both ends of the product short materials into product ducts.

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Abstract

An automotive lower front arm guide pipe processing technology is characterized by including selecting a standard pipe with the internal bore diameter being more than that of a guide pipe by 1-2 millimeters and the external circumferential diameter being more than that of the guide pipe by 2-4 millimeters, using a special extrusion die for extruding the selected standard pipe into a finished product profile, blanking the profile into a short material according to design requirements, subjecting the two ends of the short material to facing and internal bore turning, chamfering and burring so as to obtain the guide pipe. The automotive lower front arm guide pipe processing technology has the advantages of little allowance for machining, high material utilization ratio, low cost and short production period, thereby being high in popularization and application value.

Description

technical field [0001] The invention relates to a metal cold working method, in particular to a process for processing conduits of the front and lower arms of automobiles. Background technique [0002] At present, the conduits of the front and lower arms of automobiles are mostly made of circular steel pipes. Since the profile specifications cannot fully meet the processing requirements, the machining allowance of the inner hole and the outer circle is large, and the profile is a non-standard pipe, it is necessary to develop a mold or conduct customized production, which has a long production cycle and high cost. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a kind of machining allowance less, material utilization rate is high, cost is low, the automobile front lower arm duct processing technology with short production cycle. [0004] In order to achieve the purpose of ...

Claims

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Application Information

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IPC IPC(8): B23P15/00B21C23/02
CPCB23P15/00B21C23/02B23P2700/50
Inventor 刘登发
Owner HENGYANG FENGSHUN AXLE CO LTD
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