Method for machining ultra thin-walled middle ring

A processing method and intermediate ring technology, applied in the processing field of ultra-thin-walled intermediate rings, can solve problems such as low processing accuracy, limited processing methods, and high processing difficulty, so as to reduce the degree of deformation of parts, easy control of processing accuracy, and reduce The effect of residual internal stress

Inactive Publication Date: 2017-03-08
CHANGZHOU KUNMAO MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the existing processing methods for ultra-thin intermediate rings with a wall thickness of only 2mm are high in material cost, complex in process, difficult in processing, easily deformed during processing, limited by processing means, processing accuracy is not high, and production The efficiency is low, and it is difficult to adapt to the development needs of small batches and rapid production of ultra-thin-walled intermediate rings, so it is necessary to improve the process

Method used

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Embodiment Construction

[0015] The present invention will be further described in conjunction with preferred embodiments now.

[0016] A processing method for an ultra-thin-walled intermediate ring is characterized in that it includes the following steps:

[0017] 1) The inner cone and outer cone of the car are used to process the cylindrical thin-walled workpiece blank for processing the intermediate ring, and the inner cone and outer cone of the intermediate ring are processed; the coaxiality of the inner cone and the outer cone is less than 0.03 mm, roundness less than 0.05mm;

[0018] 2) Boss milling: Carry out milling processing on the thin-walled parts with inner and outer cones, and evenly process several bosses along the circumferential direction; the roundness of the thin-walled parts is controlled within 0.1 after being extruded by the external force of the tooling;

[0019] 3) Heat treatment Quenching and shaping the thin-walled parts after milling, so that the roundness of the cone of th...

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Abstract

The invention relates to a method for machining an ultra thin-walled middle ring. The method includes the following steps of (1) turning of an internal cone and an external cone, (2) boss milling, (3) heat treatment, (4) coarse grinding of the internal cone and the external cone, (5) aging treatment and (6) accurate grinding of the internal cone and the external cone. Manufacturing and machining are easy and fast. Residual internal stress of parts is effectively reduced, the deformation degree of the parts is also reduced, machining precision can be controlled easily, and the method is suitable for meeting the small-batch and fast production development requirements of the ultra thin-walled middle ring.

Description

technical field [0001] The invention relates to a processing method of an ultra-thin-wall intermediate ring. Background technique [0002] The transmission is a mechanism used to change the speed and torque of the engine. It can change the transmission ratio of the output shaft and the input shaft in fixed or stepwise steps. The change of the transmission ratio is realized through the meshing between different gear sets inside it. [0003] If two gears with asynchronous speeds in the transmission mesh directly, it will inevitably produce impact and increase the wear between the two gears. In order to avoid the above phenomenon, a synchronizer is added inside the transmission, and the synchronizer makes the speed of the two gears consistent, effectively eliminating the impact of the gears during the shifting process. [0004] Among them, the intermediate ring of the synchronizer is an important part of the synchronizer. The intermediate ring of the synchronizer is a device ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/14
CPCB23P15/14
Inventor 李寒玉
Owner CHANGZHOU KUNMAO MACHINERY
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