Liquid forging process for main reduction gear used for automobile transmission

A technology of automobile gearbox and liquid die forging, which is applied in metal material coating process, manufacturing tools, metal processing equipment, etc., can solve the problems of affecting forging efficiency, easy to block forging molds, etc., and achieve high efficiency and high corrosion resistance. , Reasonable effect of process step design

Inactive Publication Date: 2016-11-09
JIANGSU BAOJIE FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent uses powder forging process to manufacture gears. Due to the fine powder particle size, it is easy to block the forging mold and affect the forging efficiency.

Method used

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  • Liquid forging process for main reduction gear used for automobile transmission
  • Liquid forging process for main reduction gear used for automobile transmission
  • Liquid forging process for main reduction gear used for automobile transmission

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Embodiment Construction

[0045] The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the manufacturer's conditions, and the unspecified implementation conditions are usually conventional experimental conditions.

[0046] see figure 1 and figure 2 , the main reduction gear obtained by the liquid die forging process of a main reduction gear for automobile transmission provided by the present invention includes a circular ring 100, and the surface of the circular ring 100 is successively provided with a first protruding ring 101, a second protruding ring 102, and a second protruding ring 102. The protruding ring 102 is internally connected with a tube body 103, the circular ring 100, the first protruding ring 101, the second protruding ring 102 and the tube body 103 are arranged in a ladder shape and arranged concentrically and coaxi...

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Abstract

The invention provides a liquid forging process for a main reduction gear of an automobile transmission. The process comprises the steps of (1) smelting; (2) mould designing; (3) liquid forging; (4) normalizing; (5) turning; (6) carburizing and quenching; (7) tempering; (8) grinding; (9) shot blasting and flaw detecting; and (10) phosphorus saponification treatment, cleaning, polishing and anti-rust oil coating. According to the process, the liquid forging method is adopted for conducting gear machining and forging, labor and energy are saved, the material utilizing ratio is high, a blank is approximate to a final machined gear of the main reduction gear, the forging quality is high, the obtained gear hardness is high, the abrasion resistance is good, the corrosion resistance is high, the forging cost is low, and the forging process is environmentally friendly.

Description

technical field [0001] The invention relates to a liquid die forging process for a main reduction gear used in an automobile gearbox. Background technique [0002] Automobile transmissions are divided into manual and automatic. Manual transmissions are mainly composed of gears and shafts, which generate variable speed and torque through different gear combinations; while automatic transmissions AT are composed of hydraulic torque converters, planetary gears and hydraulic control systems. Composition, through the way of hydraulic transmission and gear combination to achieve variable speed and torque. [0003] The manual transmission is mainly composed of gears and shafts, and the variable speed and torque are generated through different gear combinations; while the automatic transmission AT is composed of a hydraulic torque converter, a planetary gear and a hydraulic control system, through hydraulic transmission and gear combination. To achieve variable speed and torque. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/18C22C38/06C22C38/08C22C38/12B22D18/02C21D1/28C21D1/18C21D9/32B23P15/14B22C3/00C23C8/22
CPCC22C38/02B22C3/00B22D18/02B23P15/14C21D1/18C21D1/28C21D9/32C22C38/04C22C38/06C22C38/08C22C38/12C22C38/18C23C8/22
Inventor 甘元张添鑫陆以春陈波易立王正国
Owner JIANGSU BAOJIE FORGING
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