In the mold manufacturing 25 FAQ - HC Network Machine Tool Industry

In the mold manufacturing 25 FAQ - HC Network Machine Tool Industry

1) choose what mold steels are the most important and most decisive factor?

Forming method - the basic material from the two types of options.

A) hot working tool steel that can withstand die casting, forging and extrusion of the relatively high temperatures.

B) tool steel cold, it is used for blanking and shearing, cold forming, cold extrusion, cold forging and powder compression molding.

Plastic - some plastics will produce corrosive by-products, such as PVC plastic. Long lay-off caused by condensation, corrosive gases, acids, cooling / heating, water or storage conditions and other factors will cause corrosion. In these cases, recommend the use of stainless steel materials, tool steel.

Die size - large size mold often use pre-hard steel. Hardened steel is often used for the overall small size mold.

Mold using the number of times - long-term use (> 1 million times) of the mold should use high-hardness steel, its hardness is 48-65 HRC. Medium long-term use (100 000 1 000 000 times) Pre-hardened steel molds should be used, its hardness is 30-45 HRC. Short-term use (

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