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Gear chamber cover manufacturing process

A technology of gear chamber cover and manufacturing process, which is applied in the direction of machines/engines, engine components, casings, etc., to achieve low operating costs, guaranteed yield, and good process flexibility

Inactive Publication Date: 2014-07-09
安徽省辉煌机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The arrangement of the gear train directly affects the function and use of other parts of the gear chamber, and the entire engine structure is also relatively complicated.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] A gear chamber cover manufacturing process manufacturing process, the manufacturing steps are as follows:

[0018] A. Install the gear chamber cover mold, and install the mold parts together;

[0019] B. Put the mold on the preheating furnace for preheating, the preheating temperature is 150-200°C;

[0020] C. Clean the outer surface of the preheated mold;

[0021] D. Brush paint on the cleaned mold surface;

[0022] E. Place the mold on the mold clamping equipment for mold clamping and fixing;

[0023] F. Inject the melted metal liquid into the mold cavity and fill it up. The pouring temperature is 400-600°C; the injection specific pressure is 50-100Mpa, the injection speed is 1-4m / s, and the injection stroke is 10-100cm ;

[0024] G. After the injection stroke, hold the pressure for 2-6 seconds;

[0025] H. After leaving the mold for 6 seconds, take out the casting;

[0026] I. Clean up the mold.

[0027] Although the specific embodiments of the present inventi...

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PUM

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Abstract

The invention discloses a gear chamber cover manufacturing process. The process includes: mounting a gear chamber cover die by assembling die parts in a matched manner; preheating the die on a preheating furnace at the temperature of 150-200 DEG C; cleaning the outer surface of the preheated die; brushing coating on the surface of the cleaned die; placing the die on die assembling equipment for die assembling and fixing; filling molten metal into the whole cavity of the die at the temperature of 400-600 DEG C; taking out casting after holding the same in the die for 6 seconds; cleaning the die. The gear chamber cover manufacturing process has the advantages that a reducer shell can be produced efficiently and stably, yield can be guaranteed, and the quality of the produced shell can be increased; the gear chamber cover manufacturing process is short in product cycle, good in process flexibility and low in operation cost.

Description

technical field [0001] The invention relates to a manufacturing process of a gear chamber cover, which belongs to the field of casting. Background technique [0002] The gear chamber is one of the important parts of the automobile engine, and its function is to ensure the gas distribution phase of the body and the fuel injection timing of the high-pressure oil pump. In the prior art, the gear chamber part includes the gear trains driven by various systems in the engine to ensure the normal operation of the engine. In the gear train, the crankshaft timing gear directly drives the oil pump gear, and at the same time drives the pump gear, fuel injection pump gear and camshaft gear respectively through several idler gears. Through a certain transmission ratio between the gears, the coordinated work of the engine's cooling system, fuel system and valve train is ensured. The layout of the gear train directly affects the function and use of other parts of the gear chamber, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/22B22D17/20F02F7/00
Inventor 胡宗信
Owner 安徽省辉煌机械制造有限公司
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