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How to choose wear resistance and toughness of cemented carbide roll

How to choose wear resistance and toughness of cemented carbide roll

  • Categories:Trends news
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  • Time of issue:2022-04-29
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(Summary description)High strength and impact toughness of the roll ring are required due to the large fluctuation of billet size, rough surface and large rolling shear area in the front frame of finish rolling. If the billet size on the finishing mill has little change, the surface condition is good, and the shear area is small

How to choose wear resistance and toughness of cemented carbide roll

(Summary description)High strength and impact toughness of the roll ring are required due to the large fluctuation of billet size, rough surface and large rolling shear area in the front frame of finish rolling. If the billet size on the finishing mill has little change, the surface condition is good, and the shear area is small

  • Categories:Trends news
  • Author:
  • Origin:
  • Time of issue:2022-04-29
  • Views:0
Information

High strength and impact toughness of the roll ring are required due to the large fluctuation of billet size, rough surface and large rolling shear area in the front frame of finish rolling. If the billet size on the finishing mill has little change, the surface condition is good, and the shear area is small, the requirements for roll ring strength are low. However, since the roll ring is close to the finished product or finished product, in order to ensure good dimensional tolerance and surface finish of bars and wires, the roll ring is required to have high wear resistance and heat crack resistance.
If the equipment conditions are good, the process is stable, the rolling speed is slow, the cooling effect is good, the roll ring stress is small, the thermal shock is small, and on the premise of meeting the strength and toughness, try to use the brand with high hardness and good wear resistance, so as to greatly improve the service life of the roll ring. On the contrary, on the premise of meeting the hardness, the brand with high strength and good toughness shall be selected to ensure that the roll ring will not be broken.

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