• KAMY CHINA ELECTROMECHANICAL Co., Ltd.
  • Trophy Winning
  • Certified ISO 9001 : 2015

Our Products

We mainly manufacture a range of Roadheaders

Cutting-bit

Cutting-bit is a kind of wearable part in roadway excavation machinery, roadheaders. It is the main tool for cutting rock and mineral. Common raw material from the majority of domestic and imported suppliers is : 42Cr, 35CrMnSi and other steel, hardness of up to 40-45HRC, impact toughness of not less than 49J / cm2. Now with the ONE BELT ONE ROAD construction of China along the way, the ROADHEADER machinery has been used more and more in the roadway works apart from the mines due to its better flexibility and lower working cost. Moreover, the cutting-bits at the same time also need to withstand high periodic compressive stress, shear stress and impact load, which requires the cutter body parts to have very good impact resistance and withstand wear and tear.

body material: 42Cr or 35CrMnSi
hardness: 40-45HRC
impact toughness: 49J/cm2
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