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Wolframkarbid-Walzenring zum Walzen von Stahl

  • Carbide Roll
  • Jinxin


Die Note für Wolfram -Carbid -Rollenring:


Operational requirements of cemented carbide roll rings

With high strength, high hardness and good wear rear resistance, tungsten carbide rolls (composed of WC, Co, Ni and other rare metals) are developed for high-speed wire rolling. To make the best used of carbide rolls, attention should be paid to things listed below:

1. Choice of Grade

Choose the appropriate grades for different stands according to the groove shape rolling speed.

2.Installation of Rolls

Before installation, cheek the roll, tapered housing and roller. The match between roll, roller and tapered
housing should not be tight or loose. The same grade is recommended for the same stand.

3. Cooling of Rolls

Rolls must be cooled down to prevent thermal fatigue crack and to prolong the service life. 4—6 bar cooling water pressure is recommended for finishing stands, and flow quantity of 250-300L/min, per pass is required.

4. Reasonable rolled tonage per groove

Excess rolling causes the depth of microcracks to extend rapidly and dangers of crushed rolls increase, which should be prevented.

5. Regrinding of grooves
Microcracks will occur after the rolling of groove for some time and when the microcracks extend to 0.2mm, the roll ring has to be reground.


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