In Current times, Rolls manufacturers usually use high hardness mill rolls in order to obtain high processing efficiency and lower the processing costs. But because of the high hardness, the mill rolls are difficult to machine, so choosing...

With the advantages of CBN inserts highlighting, more and more machine manufacturers choose CBN inserts to hard turning hardened steel parts. So what are the advantages of CBN inserts hard turning hardened steel? We will introduce as follow...

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...