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Manufacturing method of long rack

A manufacturing method and long-tooth technology, applied in the field of long racks, can solve problems such as long beats, reduce man-hours, reduce manufacturing costs, and ensure product strength

Pending Publication Date: 2022-04-12
YANFENG ADIENT SEATING CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the above-mentioned problems in the prior art such as the long beat of blank processing and tooth profile processing, the present invention provides a method for manufacturing a long rack

Method used

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  • Manufacturing method of long rack
  • Manufacturing method of long rack

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Embodiment Construction

[0018] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0019] The manufacturing method of the long rack according to the present invention also includes: blank processing→tooth processing→CNC→shaping→cleaning→marking and packaging. Different from the prior art, the processing raw material of the manufacturing method of the present invention is SWRCH35K long material, the blank processing is the long material cold drawing step, and the tooth profile processing is the tooth broaching step. The billet processing of the present invention replaces the existing CNC billet processing step by the long material cold drawing step, the tempo is increased by more than 10 times, and the man-hour is reduced by 50%; the tooth shape processing is replaced by the tooth-drawing step to replace the existing milling step, and the efficiency is improved More than 6 times, the man-hour is reduced by 80%; under the condition...

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Abstract

The invention relates to a manufacturing method of a long rack, which comprises the following steps of: blank processing: cold drawing a long material; tooth profile machining is conducted, specifically, tooth profile machining is conducted through a tooth broaching step completed through servo tooth broaching equipment, and the servo tooth broaching equipment comprises a clamp used for bearing the target blank and a servo motor used for driving the clamp; the long material cold drawing step comprises first rough drawing for enabling the long material to deform for the first time; the first annealing is used for eliminating the internal stress of the material after the first rough drawing; the second rough drawing is used for enabling the long material to deform for the second time; the second annealing is used for eliminating the internal stress of the material subjected to the second rough drawing; and the finish broaching is used for processing the long material into the target blank. According to the manufacturing method of the long rack, the takt time is increased by more than 10 times through the long material cold drawing step in blank machining; the tooth profile machining efficiency is improved by more than 6 times through the tooth broaching step; and under the condition that the subsequent process is not changed, the production efficiency is greatly improved, and the overall manufacturing cost of the long rack is reduced by about 45%.

Description

technical field [0001] The invention relates to a long rack, and more particularly to a method for manufacturing a long rack. Background technique [0002] The usual manufacturing methods for long racks include: blank processing→tooth processing→CNC→shaping→cleaning→marking and packaging. In the existing technology, the processing raw material of the long rack is S550MC plate, the blank processing is the sheet shearing → CNC blank processing step, and the tooth profile processing is the tooth milling step. The process flow of these two steps is long and inefficient. . If the batch is large, the one-time investment is huge and the manufacturing cost is very high, so the existing manufacturing method is not suitable for mass production. Contents of the invention [0003] In order to solve the above-mentioned problems in the prior art such as the long cycle time of blank processing and tooth profile processing, the present invention provides a method for manufacturing a lon...

Claims

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Application Information

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IPC IPC(8): B21C1/20B23P15/14C21D1/26C21D9/00
Inventor 吴珂睿魏青松刘维峰
Owner YANFENG ADIENT SEATING CO LTD
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