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investment casting bronze,lost wax casting company,investment casting technology

investment casting bronze,lost wax casting company,investment casting technology

2022-05-09 17:57:25

When using wax to make patterns, investment casting is also called "lost wax casting".

 

Investment casting bronze usually refers to making a pattern in a fusible material, coating the surface of the pattern with several layers of refractory material to make a mold shell, and then melting the pattern out of the mold shell to obtain a mold without parting surface. A casting solution that can be filled with sand. Because patterns are widely made of waxy materials, investment casting is often referred to as "lost wax casting".

 

The types of alloys that can be produced by investment casting are carbon steel, alloy steel, heat-resistant alloy, stainless steel, precision alloy, permanent magnet alloy, bearing alloy, copper alloy, aluminum alloy, titanium alloy and ductile iron.

 

investment casting bronze,lost wax casting company,investment casting technology

 

Advantages of investment casting technology:

 

High dimensional accuracy. Generally up to CT4-6 (CT10~13 for sand casting, CT5~7 for die casting);

 

The utilization rate of metal materials can be improved. Investment casting can significantly reduce the processing volume of the forming surface and mating surface of the product, saving the consumption of processing table and cutting tool materials;

 

It can maximize the similarity between the blank and the part, and bring great convenience to the structural design of the part. Castings with complex shapes Investment casting can cast castings with very complex shapes, as well as castings with a wall thickness of 0.5mm and a weight as small as 1g, and can also cast combined and integral castings;

 

Not limited by alloy materials. The investment casting method can cast carbon steel, alloy steel, ductile iron, copper alloy and aluminum alloy castings, as well as castings of high temperature alloys, magnesium alloys, titanium alloys and precious metals. For alloy materials that are difficult to forge, weld and cut, it is especially suitable for casting by precision casting;

 

High production flexibility and adaptability Investment casting is suitable for both mass production, small batch production and even single-piece production.

 

Disadvantages and limitations:

 

The size of the casting should not be too large, and the process is complicated, and the cooling rate of the casting is slow. Investment casting has the most complicated process among all the blank forming methods, and the casting cost is also high, but if the product is selected properly and the parts are designed reasonably, the high casting cost will be compensated by reducing cutting processing, assembly and saving metal materials, etc. Then investment casting has good economy.

 

What is the development trend of investment casting?

 

The investment casting process includes water glass shell making process, composite shell making process and silica sol shell making process. Automotive product materials include carbon steel, alloy steel, non-ferrous alloys and ductile iron. There are high alloy steel and super alloy materials abroad.

 

In China, the smelting equipment adopts ordinary and fast intermediate frequency furnaces; in foreign countries, vacuum furnaces, reversing furnaces and high-frequency furnaces are used.

 

The future development trend of the molding process of investment casting technology is that products are getting closer and closer to commodities, and traditional castings are only used as blanks, which are no longer suitable for the rapid changes of the market; the complexity and quality of products are getting higher and higher; research and development methods become stronger and stronger, and professional cooperation has begun to appear, and the application of CAD, CAM, and CAE has become the main technology of product development.

 

We are a lost wax casting company, any interests, please contact us at any time, we will give you a free quote.

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