1. We choose the cutting tools which used for machining steel for machining gear steel because of its high hardness, but why is it always non wear resistant? A: The hardness of gear steel after heat-treatment usually is above HRC45,some man...

As we all know, the hardness of quenching steel workpiece is high, and difficult to machine, especially for interrupted turning condition, so the requirements on the cutting tools materials improve gradually. In current times, the materials...

Part 1 The meaning of thermal spraying Thermal spraying is a series of processes, in which processes finely dispersed metallic or nonmetallic coating materials with a molten or semi-molten state deposite on the prepared surface of the subst...

Part 1 High chromium cast iron machining and cutting tool selection High chromium cast iron is a kind of high hardness and high strength alloy white cast iron with high corrosion resistance wear-resistant , high chrome cast iron in the case...

Since the venture, Halnn Tools accurately grasp the pulse of the times change, and constantly strive to develop and provide to meet the increasingly diverse needs of fast, high-quality, high-performance cutting tool products. Halnn depends o...