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Casting technology and surface hardening method of brass sle

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Casting technology and surface hardening method of brass sle

Release date:2020-01-13 17:02 source:original click:

The casting process of brass sleeve and its surface hardening method have been widely used in our casting industry. We will continue to tell you some deeper experience today.
 
Brass sleeve is a typical non-ferrous casting part. Its casting process is certainly the same as that of ordinary non-ferrous castings, but due to the particularity of materials, some details will be treated differently. Brass sleeve has high specific strength and rigidity, good shock absorption and excellent cutting performance. Spare parts for aviation industry, instrumentation, radio technology and transportation.
 
In addition to understanding the processing flow of brass sleeve, we also need to master the change mode of its performance. When machining brass sleeve, casting temperature control is very important, usually at least 980 ℃ (℃), which is only applicable to high zinc brass materials. If it is low zinc brass, the casting temperature is high. There are three specific casting processes, namely lost wax casting, die casting and sand casting.
 
When the non-ferrous metal casting is completed by EPC, the molten alloy is injected into the wax mold, and the casting is cooled and solidified to obtain the required casting; however, one mold can be used repeatedly to complete the forming of the brass sleeve. The nonferrous alloy used to cast brass is one of the cast alloys. There are mainly cast copper alloy, cast aluminum alloy, cast magnesium alloy, etc. Although sand casting is very old, it is also common, especially for small foundries.
 
In the specific operation of the brass sleeve, the first step is to prepare the mold. It is necessary to know that the quality of mould preparation is the main factor affecting the quality of brass sleeve. The casting metal is then melted and poured; the casting is then processed and inspected, including removal of foreign matters from the core and the surface of the casting, removal of sprues and risers, removal of burrs and burrs and other protrusions, as well as heat treatment, shaping, rust prevention and rough machining
 
It has been proved that the hardness of brass sleeve can be further improved by corresponding methods. For example, adding a small amount of cobalt in the raw material can effectively reduce the grain size and change the grain shape of the as cast alloy, thus improving the tensile strength and hardness of the alloy and making the alloy have better ductility. Brass sleeve casting, non-ferrous alloy, copper alloy, aluminum alloy, magnesium alloy, zinc alloy, etc. It can be used for casting.
 
The above are our opinions on the casting process and surface hardening method of brass sleeve. If you have other problems, please pay attention to the official website of Xinxiang Haishan Machinery Co., Ltd. and our customer service will provide you with 24-hour service.

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