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Machining process of lock type differential shell

A machining and differential technology, applied in mechanical equipment, differential transmissions, belts/chains/gears, etc., can solve the problems of spherical surface roughness not meeting technical requirements, deviation of processing spherical center position, non-perpendicular and other problems , to achieve the effect of low cost, stable spherical position and good verticality

Inactive Publication Date: 2019-07-02
HENGYANG FENGSHUN AXLE CO LTD
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AI Technical Summary

Problems solved by technology

[0002] The spherical surface of the side shaft gear of the existing locking differential housing is mostly processed by CNC machine tools, and the center position of the processed spherical surface deviates, the spherical surface roughness does not meet the technical requirements, and the center line of the side shaft gear is not perpendicular to the center line of the planetary gear. Phenomenon

Method used

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Examples

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Effect test

Embodiment Construction

[0011] 1. Put the workpiece into the special fixture of the machining center, position it with three bosses on one side of the rib and the large outer circle, clamp the large outer circle with hydraulic claws, turn the end face of the large outer circle, turn the outer circle and inner hole of the small end , flat small end face and chamfering, reverse the end face of the inner hole;

[0012] 2. Locate the large end surface and outer circle that have been turned, clamp the large outer circle, turn the other end of the small outer circle, inner hole, inner hole chamfer, flat end surface, and counter-balance the inner hole end surface;

[0013] 3. Position the inner hole at one end of the reinforcement rib and the tapered surface of the inner hole at the other end, and clamp the inner hole and the end face with the expansion mandrel and the top respectively. round;

[0014] 4. Use the gap of the differential case as the radial positioning, use the large end face and the point w...

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Abstract

A machining process of a lock type differential shell comprises the following steps: turning a large excircle end surface, turning a small end excircle and an inner hole, flattening a small end surface and performing chamfering, and reversely turning the end surface of the inner hole; turning a small excircle and an inner hole at the other end, performing chamfering on the inner hole, flattening end surfaces and reversely turning the end surface of the inner hole with constant force; finely turning the excircle, the large plane and the excircle of a bearing guard at one end and the excircle ofa bearing guard at the other end; drilling and reaming a planet gear shaft mounting hole, and drilling and reaming a large gear mounting hole; roughly and finely reaming a spherical surface of the planet gear. The spherical surface position of the product is stable, the spherical surface roughness meets the design requirement, the perpendicularity of the planet gear and a half axle gear mountinghole is good, the percent of pass of products is high, operation is easy and convenient, production efficiency is high, cost is low, and application and popularization value is achieved.

Description

technical field [0001] The invention relates to a production process of auto parts, in particular to a mechanical processing process of a lock differential case. Background technique [0002] The spherical surface of the side shaft gear of the existing locking differential housing is mostly processed by CNC machine tools, and the center position of the processed spherical surface deviates, the spherical surface roughness does not meet the technical requirements, and the center line of the side shaft gear is not perpendicular to the center line of the planetary gear. Phenomenon. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned disadvantages of the prior art, and to provide a machining process for locking differential housings with stable and reliable product quality, easy operation, high production efficiency and low cost. [0004] For realizing the above-mentioned purpose of the invention, the concrete processing s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00F16H48/38
CPCB23P15/00F16H48/00F16H2048/382
Inventor 刘登发
Owner HENGYANG FENGSHUN AXLE CO LTD
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