Machining Stability Of Gb Cr12w Tool Steel Key Factors Affecting - China

Key Factors Affecting Machining Stability

To enhance the machining stability of GB Cr12W tool steel, attention must be paid to the following core factors:

3.1 Inherent Material Properties

The high hardness and high carbide content of GB Cr12W tool steel result in poor machinability.

High temperatures and vibrations are prone to occurring during the cutting process, leading to reduced machined surface quality and shortened tool life, which in turn compromises machining stability.

3.2 Dimensional Changes and Deformation During Heat Treatment

During the quenching process, GB Cr12W tool steel is susceptible to internal stresses caused by phase transformations and uneven cooling, which can lead to workpiece deformation or cracking.

The oil quenching process, in particular, involves rapid cooling rates, making it more likely to cause dimensional changes and deformation.

3.3 Residual Stress

Residual stresses are generated in the steel during manufacturing (such as rolling or forging) and rough machining.

The release of these stresses during subsequent finish machining or heat treatment can cause workpiece deformation, severely affecting machining accuracy and stability.

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• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
  After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter.
  
  Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service.
  
  Due to satisfactory reliable quality and professional service, Songshun expands our market worldwide, such as Colombia, Chile, Spain, Turkey, Iran, Vietnam, Malaysia ,UAE, Canada, Brazil, Mexico and so on.
  
  Songshun specialized in Special Steel for almost 20 years.
  
  We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.
  
  Welcome your contact 24 hours a day!!!
  
  Skype/Whatsapp/We chat: +86-18269260283
  
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