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Method for machining input shaft of main reducing gear of heavy load automobile

A main reducer and processing method technology, which is applied in the processing field of the input shaft of the main reducer of heavy-duty vehicles, can solve problems such as short service life, endangering safe driving, and low production efficiency, so as to improve product quality and production efficiency, avoid Potential safety hazards and the effect of prolonging the service life

Active Publication Date: 2014-04-23
JIANGSU HENGYI IND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the part fails, the transmission will be inaccurate, which will endanger safe driving
The existing processing method has low processing precision, low production efficiency and short service life

Method used

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  • Method for machining input shaft of main reducing gear of heavy load automobile

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing:

[0021] Referring to the accompanying drawings, a processing method for the input shaft of the main reducer of a heavy-duty vehicle is characterized in that it includes the following steps: 1), blanking and forging; Based on the end face 18 of the flange, rough turn the short end face and each outer circle; U-turn is based on the short end end face 1 and the outer circle of the spline A3, rough turn the long end end face 13 and each outer circle; control the runout of the outer circle, Meet the size requirements of the drawing; 3), surface treatment: quench and temper the workpiece as a whole, and the hardness of quench and temper is HRC28~32. : On the CNC lathe, take the outer circle A of the bearing gear and the end face 4 as the benchmark, finish turning the long end end face and the outer circles everywhere, and drill the center hole on the end face B13; turn around and ...

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Abstract

A method for machining an input shaft of a main reducing gear of a heavy load automobile is characterized by comprising the following steps of (1) blanking and forging, (2) rough turning, (3) surface treatment, (4) finish turning, (5) hobbing, (6) deep hole drilling, (7) radial hole drilling, (8) plane milling, (9) quenching treatment, (10) external grinding, (11) steel ball pressing, and (12) cleaning, oil applying, rust preventing and being putting in storage. Through the method, machining is convenient, product quality and production efficiency are improved, the service life is prolonged, and potential safety risks are avoided.

Description

technical field [0001] The invention relates to a processing method for auto parts, in particular to a processing method for an input shaft of a main reducer of a heavy-duty vehicle. Background technique [0002] The input shaft of the final drive is an important connection for the front engine rear wheel drive (or all-wheel drive) in a heavy-duty vehicle product. During the movement of the car, the input shaft of the final drive and the output of the transmission (or transfer case) Power transmission between shafts plays a very important role in the transmission system. Once the part fails, the transmission will be inaccurate, which will endanger safe driving. The existing processing method has low processing precision, low production efficiency and short service life. Contents of the invention [0003] The purpose of the present invention is to provide a processing method for the input shaft of the main reducer of a heavy-duty vehicle that is convenient for processing,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/14
CPCB23P15/14
Inventor 鞠小平万小民张伟刘伟陈刚
Owner JIANGSU HENGYI IND TECH CO LTD
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