Slewing Ring Bearing Catalog

Port Crane Three Row Cylindrical Roller Slewing Bearing With External Gear Port crane is much more important material handling equipment, and slewing bearing is a must part for its rotation movement. Three. Martensitic graded quenching Stepwise quenching of martensite: austenitizing of steel,...

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Port Crane Three Row Cylindrical Roller Slewing Bearing With External Gear

Port crane is much more important material handling equipment, and slewing bearing is a must part for its rotation movement.

Three. Martensitic graded quenching

Stepwise quenching of martensite: austenitizing of steel, followed by immersion in liquid medium (salt bath or alkali bath) with temperature slightly higher or lower than the upper martensite point of steel, holding appropriate time, when the inner and outer layers of steel reach the medium temperature, take out air cooling, supercooled austenite slowly transformed into martensite quenching process. Slewing bearing manufacturer introduces generally used for small workpieces with complex shape and strict deformation requirements, high-speed steel and high-alloy steel tools and dies are often quenched by this method.

 

 


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