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Method for modifying shape of involute gear

A technology of involute gears and involute teeth, which is applied in the field of gear processing, can solve the problems of increasing manufacturing difficulty and manufacturing cost, and the production efficiency cannot be effectively improved, so as to reduce the processing difficulty, facilitate mass production, and reduce meshing. Effects of noise and vibration

Inactive Publication Date: 2004-03-10
GUIZHOU QUNJIAN PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But on the one hand, it will directly increase the manufacturing difficulty and manufacturing cost, and at the same time, the production efficiency will not be effectively improved.

Method used

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  • Method for modifying shape of involute gear
  • Method for modifying shape of involute gear

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Embodiment Construction

[0008] Embodiment of the present invention: first process the involute gear according to the traditional involute gear processing method, then carry out drum shape modification on the involute tooth profile of the involute gear, so that it is modified Compared with the involute tooth profile of the theoretical involute gear, the modified involute tooth profile curve of the modified involute gear is drum-shaped, and the tooth width direction of the involute gear is opposite to the The tooth profile is modified so that the tooth direction of the modified involute gear is a drum-shaped curve with a large middle and small ends, thereby obtaining a modified involute gear.

[0009] The gear modification of the present invention can be obtained by rolling directly, or after the gear is processed by rolling, it can be modified by a shaving knife, and the modification can be realized by shaving, or it can be realized by grinding.

[0010] Modification of hobbing processing: according t...

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Abstract

A technology for modifying the profile of involute gear in order to reduce the engaging noise and vibration features that when an involute gear is made up, its involute profile is modified to have a convex part, so its involute curve is more convex than ordinary one. In addition, the profile is further modified in tooth direction to form a convex curve in tooth direction.

Description

Technical field: [0001] The invention relates to a method for modifying an involute gear and belongs to the technical field of gear processing. Background technique: [0002] The involute cylindrical gear in the prior art is the most widely used basic part of mechanical transmission technology, and is widely used in the fields of automobiles, machine tools, electric power, metallurgy, engineering, ships, aviation, and aerospace. To measure the quality of gears, the gears are generally reliable in operation, long in life, and low in vibration and noise. With the improvement of environmental protection awareness, people pay special attention to the vibration and noise of gears. At present, conventional involute gears are designed, manufactured and tested according to national gear precision standards, and the tooth shape and tooth direction errors are controlled within the tolerance range of tooth shape and tooth direction corresponding to the selected accuracy level. There ...

Claims

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Application Information

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IPC IPC(8): B23P6/00
Inventor 余泳韩兴华陈远琴罗天元
Owner GUIZHOU QUNJIAN PRECISION MACHINERY
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