How to promote the slideway of machine tool castings hardness
Release time：04-07
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View volume： 72
To improve machine tool castings bedway hardness can be improved by adopting melt temperature, refining grain, alloying process and casting process improvement measures to successfully produce the mechanical properties of j all comply with the design requirements of the machine tool bed casting, the guide rail hardness value not only to 180-230 - hb, and before and after processing and thick section hardness value is also slightly different.
The influence factors of machine tool castings of high strength cast iron is what
Traditional grey cast iron smelting control direction is low carbon high strength cast iron (C: 2.7 ~ 3.0, Si: 2.0 ~ 2.3, Mn: 0.9 ~ 1.3), although this material can meet the requirements of material m
What are the factors affect the casting casting shrinkage rate
In casting solidification process, its each part size is typically narrowed, casting size smaller percentage, called casting line shrinkage or casting shrinkage rate. Manufacture molds (including core
The development prospects of machine tool industry opening to the outside
Since reform and opening up, China's machine tool industry through the implementation of the "introduction" and "going out" strategy, make the technical level, international trade is growing fast. At
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