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Determination of the basic value of the influence rate of the rolling mill roll crown

The influence of the change in the crown of the backup rolls on the crown of the strip is significantly reduced relative to the crown of the work roll. Since changing the crown of the backup rolls can only adjust the contact state between the work roll and the backup roll, it does not work for the no-load roll gap.

Determination of the basic value of the influence rate of the backup rolls crown

The basic value of the influence of the crown of the support roller obtained by the strip crown influence rate simulation software is shown in Fig. 1 (b).

It can be seen that the basic value of the influence of the backup rolls crown decreases with the increase of the strip width, which indicates that the larger the strip width, the greater the influence of the backup rolls crown on the strip crown.

LMM GROUP Main product

Rolling mill rolls

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product  have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time.

LMM Main product series

Core technology products:

  • magnesia carbon brick
  • slide gate plate
  • graphite electrode

Core technology products:

  • Hss roller
  • cast steel rolls
  • tungten carbide ring roller

Core technology products:

  • copper mould tube
  • copper mould plate
  • assembly & cooling jackts

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