Slewing Bearings for Excavator

Durable Tri-Row Slewing Ring Bearing For Mobile Truck Terrain Crane Triple row slewing bearing can bear more loading and tilting forces as well. Two, double medium quenching Dual medium quenching: the workpiece heated to quenching temperature, first in a strong cooling capacity of quenching...

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Durable Tri-Row Slewing Ring Bearing For Mobile Truck Terrain Crane

Triple row slewing bearing can bear more loading and tilting forces as well.

Two, double medium quenching

Dual medium quenching: the workpiece heated to quenching temperature, first in a strong cooling capacity of quenching medium cooling to near MS point, and then into a slow cooling quenching medium cooling to room temperature, to achieve different quenching cooling temperature range, and has a relatively ideal quenching cooling rate. Carbon tool steels are often used for large workpieces made of complex shapes or high carbon steels or alloy steels. Commonly used cooling media are water-oil, water-nitrate, water-air, oil-air. Slewing bearing manufacturers introduce general water as fast quenching medium, oil or air as slow quenching medium, less air.

 

 


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