Gear ring processing method

A technology of ring gear and ABS ring gear, which is used in the field of laser welding to realize connection and ring gear processing, can solve the problem that the ABS ring gear of the portal drive axle and the driven cylindrical gear cannot be manufactured in an integrated structure, the area of ​​the gear connection part is narrow, and the conventional Process can not be realized and other problems, to achieve the effect of easy vehicle layout, compact structure and light weight

Inactive Publication Date: 2015-05-13
FAW GROUP
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  • Summary
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the limited space, the ABS ring gear and the driven cylindrical gear cannot be manufactured in an integrated structure, and can only be manufactured separately and then connected into one. The wall of the ABS ring gear is thin, and the area of ​​the connecting part with the gear is narrow , it is very difficult to ensure reliable connection between the ABS ring gear and the gear, high precision, and small deformation, which cannot be achieved by conventional processes

Method used

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Effect test

Embodiment 1

[0009] Anti-carburizing treatment is carried out on the welded part of the wheel driven cylindrical gear and its surrounding surface by coating method or processing removal method, so that there is no carburized layer in this part after the carburizing heat treatment of the gear, so as to ensure the reliability and reliability of welding. performance of weldments. On the thin steel plate with the same thickness as the ABS ring gear, the ABS ring gear is processed by laser cutting technology. A special fixture with positioning and clamping functions is used to position and clamp the ABS ring gear on the welding end face of the driven cylindrical gear. Because the area of ​​the connection between the ring gear and the gear is narrow, the fixture can ensure the welding positioning of the ABS ring gear and the driven cylindrical gear. At the same time, it cannot interfere with the incidence of the laser beam during the laser welding process; the ABS ring gear and the gear assembly...

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PUM

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Abstract

The invention relates to a gear ring processing method, which is characterized by comprising the steps of: firstly, carrying out carburization prevention treatment on a welding line part of a slave cylindrical gear and neighboring surfaces thereof, positioning and clamping a gear ring on a welding end face of a carburization-free layer of the slave cylindrical gear by adopting a special clamp as required, and carrying out laser welding on the gear ring and the slave cylindrical gear by using a titling-type numerical control rotary table and a light guide system of a reflection type focusing structure; wherein 3-11 short welding lines are discontinuously and uniformly distributed along a gear ring welding circumference, each welding line is 2-15mm in length, 0.5-2mm in width and 2-8mm in weld penetration. In the invention, the laser cutting precision on an ABS (Acrylonitrile Butadiene Styrene) gear ring is high, the ABS gear ring is welded on a cylindrical gear through laser, the connection strength is high, the influence of welding heat is low and the deformation is small; and the entire system has compact structure and light weight, is simple and reliable, is easy for the arrangement of the whole machine and free of maintenance, and can prevent gear ring from falling.

Description

technical field [0001] The present invention relates to a ring gear processing method, in particular to an automotive portal drive axle or portal steering drive axle (including independent suspension and non-independent suspension) built-in ABS ring gear and driven cylindrical gear through laser welding A connection method; belongs to the technical field of laser welding. Background technique [0002] Due to the limited space, the ABS ring gear and the driven cylindrical gear cannot be manufactured in an integrated structure, and can only be manufactured separately and then connected into one. The wall of the ABS ring gear is thin, and the area of ​​the connecting part with the gear is narrow , It is very difficult to ensure the reliable connection between the ABS ring gear and the gear, high precision, and small deformation, which cannot be realized by conventional processes. Contents of the invention [0003] The purpose of the present invention is to provide a method f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/38B23K26/24B23K26/14B23K26/60B23K26/21
Inventor 姚远曲琦魏伟孙国晖陈宇超陈明郑培和
Owner FAW GROUP
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