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Method for processing sector gear

A technology of sector gears and processing methods, applied in metal processing equipment, gear tooth manufacturing devices, belts/chains/gears, etc., can solve problems such as low processing efficiency and large deformation, and achieve the effect of ensuring processing quality

Inactive Publication Date: 2007-04-11
GUIZHOU QUNJIAN PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to propose a sector gear processing method to overcome the shortcomings of large deformation and low processing efficiency in the prior art

Method used

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  • Method for processing sector gear
  • Method for processing sector gear
  • Method for processing sector gear

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Experimental program
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Embodiment Construction

[0028] Embodiment of the present invention: the sector angle of the sector gear to be processed is: 360o-α, the blank size is: outer circle diameter D, inner hole diameter d, width B, and the machining process includes the following steps:

[0029] First, the rough machining of the tooth blank

[0030] The tooth blank is processed into the shape required by the drawing, and the inner hole and the outer circle are left with sufficient correction allowances according to the shape and structure of the sector gear and the size of the possible deformation.

[0031] Second, make the tooling board

[0032] Make the tooling plate according to the structural shape and size of the sector gear when it is complete, and the outer diameter of the tooling plate is D 1 , inner hole diameter d 1 Respectively consistent with the outer diameter D and inner hole diameter d in the rough machining of the sector gear blank, the width B of the tooling plate 1 Greater than or equal to the width B i...

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Abstract

The sector gear machining process includes the following steps: 1. machining of sector gear blank while sufficient trimming allowances of inner hole and outer circle; 2. making chucking plate based on the sizes of the sector gear; 3. machining the sector gear blank together with the chucking plate via turning; 4. hobbing after mounting hobbing mandrel; and 5. grinding after mounting gear grinding mandrel. The machining process is simple, low in cost, small in deformation and high in efficiency.

Description

Technical field: [0001] The invention relates to a processing method of sector gears. technical background: [0002] A sector gear is an incomplete disc gear, and it is called a sector gear because of its shape similar to a fan. With the rapid development of science and technology, sector gears are currently widely used in gear transmissions of various radar tracking and monitoring systems. Tooth processing can meet the requirements of tooth profile accuracy grade. [0003] Due to the limitation of the structural shape of the sector gear, the existing processing methods are as follows: 1. First, the sector gear is made into a complete tooth and then cut into the required shape; 2. The sector tooth blank is first processed before processing the tooth shape . Method 1 In the process of tooth shape processing, the high-efficiency hobbing method can be used for rough machining, and then the tooth grinding method can be used for finishing to improve the tooth shape accuracy. H...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/14B23F23/00
Inventor 石年平况安勇
Owner GUIZHOU QUNJIAN PRECISION MACHINERY
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