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Automobile engine cylinder cover and manufacturing method thereof

A technology of automobile engine and production method, applied in the direction of manufacturing tools, cleaning/processing machinery of casting materials, casting molding equipment, etc., can solve problems such as shrinkage cavities, shrinkage porosity, and affecting product quality, so as to improve the quality of castings, The effect of refining the matrix structure and saving costs

Active Publication Date: 2014-07-30
FANCHANG COUNTY JINKE CASTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason for this situation is mainly related to the unreasonable use of cold iron. The resulting casting defects mainly include: porosity, shrinkage cavity, and shrinkage porosity, which seriously affect product quality.

Method used

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  • Automobile engine cylinder cover and manufacturing method thereof

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Effect test

Embodiment Construction

[0025] The present invention is specifically described below in conjunction with accompanying drawing, as figure 1 It is a flow chart of the automobile engine cylinder head and its manufacturing method described in the present invention, as shown in the figure, a kind of automobile engine cylinder head and its manufacturing method, the automobile engine cylinder head is a product made of the following raw materials and manufacturing methods, Its raw material composition is (weight ratio):

[0026] Gray iron chips: 90%

[0027] Foundry raw sand: 10%

[0028] Furan resin: 5%

[0029] Curing agent: 1.0%;

[0030] Production Process:

[0031] a. Take some clean gray iron shavings for later use;

[0032] b. Take some raw casting sand for spare use;

[0033] c. Put 90% of gray iron chips and 10% of raw sand into a small sand mixer and mix evenly, then add 1.0% curing agent and mix evenly, and finally add 5% furan resin and mix well, then take it out for use;

[0034] d, prepa...

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Abstract

The invention discloses an automobile engine cylinder cover and a manufacturing method thereof. The automobile engine cylinder cover is a product prepared by the following raw materials and the manufacturing method, and comprises the raw material composition by weight: 90% of gray iron cuttings, 10% of casting roughing sand, 5% of a furan resin, and 1.0% of a curing agent. The method has the beneficial effects of effectively preventing generation of defects of casting shrinkage cavities, shrinkage porosity, deformation and cracks.

Description

technical field [0001] The invention relates to the field of automobile engine manufacturing, in particular to an automobile engine cylinder head and a manufacturing method thereof. Background technique [0002] The engine cylinder head plays a very important role in the entire engine system. It is an important structural component of the internal combustion engine. Its function is to seal the cylinder and form the combustion chamber. material requirements. The traditional automobile engine cylinder head is made of high-strength die-casting aluminum, but the production cost of die-casting aluminum is high, and the tensile strength and wear resistance of the cylinder head are not as superior as cast iron QT600-3, so cast iron QT600-3 is still used for large displacement . [0003] The engine cylinder head is a typical thin-walled complex casting, and the final pass rate of this type of casting in many factories is only about 50%. The reason for this situation is mainly rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C1/00B22C5/04B22C9/10B22D15/02
Inventor 俞学林
Owner FANCHANG COUNTY JINKE CASTING
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