DATONG HYDRAULIC/ 4140 Cylinder Rod Grinding Tolerance/Hydraulic Rod/Chr...

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What is difference between induction hardening and quenching?

  Induction hardening is a type of surface hardening in which a metal part is induction-heated and then quenched. The quenched metal undergoes a martensitic transformation, increasing the hardness and brittleness of the part. Induction hardening is used to selectively harden areas of a part or assembly without affecting the properties of the part as a whole. Induction heating is a non contact heating process which uses the principle of electromagnetic induction to produce heat inside the surface layer of a work-piece. By placing a conductive material into a strong alternating magnetic field, electric current can be made to flow in the material thereby creating heat due to the I2R losses in the material. In magnetic materials, further heat is generated below the curie point due to hysteresis losses. The current generated flows predominantly in the surface layer, the depth of this layer being dictated by the frequency of the alternating field, the surface power density, the permeabil...
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What is ST52 Steel Plate

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WHAT IS DEAD ROLLER SHAFT AND LIVE ROLLER SHAFT

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