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Bevel gear manufacturing method and die

A manufacturing method and technology of bevel gears, applied in the manufacture of tools, wheels, metal rolling, etc., can solve the problems of low production efficiency, high processing cost, and low tooth profile strength

Active Publication Date: 2020-12-18
DONGFENG COMML VEHICLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a bevel gear manufacturing method and a mold to solve the problem of low tooth profile strength, high processing cost, low production efficiency, and low material utilization rate in the related art using gear milling machining to form the tooth profile question

Method used

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  • Bevel gear manufacturing method and die
  • Bevel gear manufacturing method and die
  • Bevel gear manufacturing method and die

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] The embodiment of the present invention provides a bevel gear manufacturing method and mold, which can solve the problem of low tooth profile strength, high processing cost, low production efficiency and material utilization rate in the method of using milling gear machining to form the tooth profile in the related art. low problem.

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Abstract

The invention relates to a bevel gear manufacturing method and a die. The bevel gear manufacturing method comprises the following steps that a bar is machined into an annular blank; the annular blankis subjected to precision forging to form a precision forging piece with a gear blank; and after the precision forging is subjected to heat treatment, a gear blank of the precision forging is subjected to finish milling, and the bevel gear is obtained. According to the bevel gear manufacturing method and the die, the machined bevel gear is good in strength, the material utilization rate is high, and the cost is lower.

Description

technical field [0001] The invention relates to the field of heavy-duty automobile rear axles, in particular to a manufacturing method and a mold of a bevel gear. Background technique [0002] At present, spiral bevel gears can transmit large loads, and have the characteristics of stable operation, low noise and vibration. They are one of the core parts for power transmission in automobiles, tractors, and airplanes. Their quality directly affects the quality of the whole machine and mechanical safety. sex. [0003] In the related art, the spiral bevel gear is generally made into a ring-shaped blank by flaring and ring-rolling technology, and then processed by a milling machine to form a tooth shape. However, this way of forming the tooth shape is not high in strength and short in life because it is a cutting process; and the long-term use of the gear milling machine makes the tool wear of the gear milling machine faster, the cost of the tool is high, and the equipment inves...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21J5/08B21J5/10B21J13/02B21K1/30B21H1/06
CPCB21J5/08B21J5/10B21J5/002B21H1/06B21J13/02B21K1/30
Inventor 张春宾李少兵赵俊平王祖勇戴勇
Owner DONGFENG COMML VEHICLE CO LTD
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