1 How to ensure the parallelism of the upper and lower end when processing the brake discs? A: As we all know, it required the parallelism of the upper and lower face when machining the brake disc. Many manufacturers will process one side f...

Bearings, as one of the most important components, are widely used various industries. With the rasing needs, it required higher and higher on the bearing performance. Especially for the bearings after heat treatment, the hardness will be mu...

Part 1 CBN Mateirals Cubic Boron Nitride, is called for short CBN. CBN is one type superhard materials which hardness is only second to diamond. It not only has many diamonds excellent characteristics, but also has higher chemial stability....

Machining the outer diameter of Tungsten Carbide Ring is relatively simple, the most difficult process for machining tungsten carbide ring is milling the grooves. Because the hardness of the tungsten carbide ring is about HRA83, when we cho...

Part 1 Different materials rolls and the hardness No. RollsMaterials Hardness 1 HighNi-CrCastIronRolls HSD76~82 2 HiChromiumCastIronRolls HSD72~82 3 Semi-SteelRolls HSD55~65 4 ChilledCastIronRolls HSD50~70 5 Hi-CarbonSemi-SteelRolls HSD65~7...