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Selection and proportioning of machine tool casting materials

2022-12-28

latest company news about Selection and proportioning of machine tool casting materials 0

The material of machine tool castings is fine and high quality gray cast iron, melting with 45% steel to improve the rigidity of machine tool castings; some customers also request to do ductile iron, which is more rigid than gray cast iron, but there is a big gap in damping effect compared to gray cast iron, and the casting cost is much higher than gray cast iron; so ductile iron is not suitable for the main components of machine tools, but more suitable for machine tool table castings Use.

latest company news about Selection and proportioning of machine tool casting materials 1

The advantages of using gray cast iron for machine tool castings.

1, gray iron casting machine tool castings low cost, gray cast iron has good casting performance, easy to cast a variety of complex structure of the shape.

2, cast iron material has good vibration damping performance, more conducive to avoid vibration when the machine tool is running, reduce noise.

3, compared with steel cast iron, although the tensile strength is lower, but the compressive strength is close to steel, most machine tool beds do not require high tensile strength, can fully meet the performance requirements;.

4, cast iron machine bed castings made of gray iron have good lubricating properties, because the micro-pores in the atomic structure of gray iron can accommodate more lubricating oil, while the carbon elements contained have a self-lubricating effect.

5, cast iron than steel has better corrosion resistance, easy to maintain the accuracy of the machine tool guide. Machine tool bed castings have good dimensional stability, used to make machine tool beds should not be deformed, which is conducive to long-term maintenance of machine tool accuracy.

Shenzhen Perfect Precision Product Co., Ltd.

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