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Method for improving stable wear resistance of automobile metal casting part

A technology for metal casting and wear resistance, applied in the direction of testing wear resistance, casting equipment, casting molding equipment, etc. Wear resistance, the effect of prolonging the time of oxidation

Pending Publication Date: 2022-06-03
江陵同创机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the casting blank is almost formed, the purpose of free machining or a small amount of machining reduces the cost and reduces the time to a certain extent. Casting is one of the basic processes of the modern machinery manufacturing industry. The problem of poor wear resistance appeared in the process, which affected the performance of the castings. At the same time, the existing testing of the wear resistance of automotive castings did not distinguish between temperatures, which affected the obvious differences in the results of the castings during the test.

Method used

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  • Method for improving stable wear resistance of automobile metal casting part
  • Method for improving stable wear resistance of automobile metal casting part
  • Method for improving stable wear resistance of automobile metal casting part

Examples

Experimental program
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Effect test

Embodiment 1

[0030] refer to Figure 1-5 , a method for improving the stable wear resistance of automotive metal castings, comprising the steps of:

[0031] S1: Mold making, design the mold according to the actual size of the metal casting, and then print out the drawings to make two molds that cooperate with each other;

[0032] S2: Raw material preparation, prepare appropriate iron ingot raw materials and clean them, polish and clean the rust on the surface of the iron ingot, then heat and melt the iron ingot to obtain molten iron, put the molten iron in the melting furnace and then put it in the melting furnace Add an appropriate amount of metal powder to obtain a mixed melt, and the temperature of the mixed melt is 1700°C;

[0033] S3: Forming, inject the mixed melt obtained above into the mold, wait for it to be formed and then cool the mold, and use the cooling equipment to assist in cooling during cooling, pay attention to the cooling range to avoid the sudden drop in temperature f...

Embodiment 2

[0042] refer to Figure 1-5 , a method for improving the stable wear resistance of automotive metal castings, comprising the steps of:

[0043] S1: Mold making, design the mold according to the actual size of the metal casting, and then print out the drawings to make two molds that cooperate with each other;

[0044] S2: Raw material preparation, prepare appropriate iron ingot raw materials and clean them, polish and clean the rust on the surface of the iron ingot, then heat and melt the iron ingot to obtain molten iron, put the molten iron in the melting furnace and then put it in the melting furnace Add an appropriate amount of metal powder to obtain a mixed melt, and the temperature of the mixed melt is 1700°C;

[0045] S3: Forming, inject the mixed melt obtained above into the mold, wait for it to be formed and then cool the mold, and use the cooling equipment to assist in cooling during cooling, pay attention to the cooling range to avoid the sudden drop in temperature f...

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Abstract

The invention discloses a method for improving the stability and wear resistance of an automobile metal casting part, which comprises the following steps: die manufacturing: designing a die according to the actual size of the metal casting part, then printing a drawing, and manufacturing two dies which are matched with each other; the preparation method comprises the following steps: preparing raw materials, preparing and cleaning proper iron ingot raw materials, polishing and cleaning rust on the surfaces of iron ingots, heating and smelting the iron ingots to obtain molten iron, putting the molten iron into a smelting furnace, and adding a proper amount of metal powder into the smelting furnace to obtain mixed molten liquid. The wear-resistant coating is coated in the casting process of the metal casting part, the surface of the casting part is protected through the wear-resistant coating, so that the wear resistance of the casting part is improved, meanwhile, the wear-resistant coating can isolate direct contact between the casting part and air, and the oxidation time of the casting part is prolonged.

Description

technical field [0001] The invention relates to the technical field of automotive metal castings, in particular to a method for improving the stable wear resistance of automotive metal castings. Background technique [0002] Metal casting is a process in which metal is smelted into a liquid that meets certain requirements and poured into a mold, cooled and solidified, and cleaned to obtain a casting with a predetermined shape, size and performance. Because the casting blank is almost formed, the purpose of free machining or a small amount of machining reduces the cost and reduces the time to a certain extent. Casting is one of the basic processes of the modern machinery manufacturing industry. The problem of poor wear resistance appeared in the process, which affected the performance of the castings. At the same time, the existing testing of the wear resistance of automotive castings did not distinguish between temperatures, which affected the obvious differences in the resu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/22B22D2/00C23C26/00B24B27/033B24B1/00G01N3/56
CPCB22C9/22B22D31/002B22D2/00C23C26/00B24B27/033B24B1/00G01N3/56Y02P10/20
Inventor 付云峰肖述标汤华山
Owner 江陵同创机械有限公司
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