As the development of the modern society, air conditioner almost becomes familys, factorys and enterprises necessary electrical appliance. With the rising numbers of air-conditioners, the manufacturers of air conditional compressor, also in...

As we all know, rolls will appear defects, such as cracking and spalling because of long period usage. Or rolls diameters cant reach the dimension requirement, then we will choose restoration technology (like surfacing) to make the rolls re...

As we all know, the previous CBN inserts mainly are Brazed PCBN inserts, and widely used in finishing field. In practical machining process, there are many hard cast irons, interrupt hard turning hardened steel, RPM, white cast iron, PCBN i...

With the development of the modern technology, more and more manufacturers will pay more attention on the working efficiency and the quality .So how to improve the working efficiency has become an important problem. In order to realize proc...

With the development of modern technology, more and more high hardness quenched parts appeared in the process. At first, many manufacturer choose grinding as the last process to make sure the dimension and precision of the quenched parts. B...