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Determination of the influence rate of work roll crown

A common method of improving the shape of the plate is to compensate for the shape of the plate by changing the crown of the work roll. This method not only makes the shape of the no-load roll gap more reasonable, but also improves the contact between the work roll and the backup roll, thereby affecting the change in the crown of the strip.

Determination of the influence rate of work roll crown

The basic value of the influence of the work roll crown obtained by the strip crown influence rate simulation software is shown in Fig. 1 (a).

It can be seen that the basic value of the work roll crowning degree decreases with the increase of the strip width, which indicates that the larger the strip width, the greater the influence of the work roll crown on the strip crown. The fitting coefficient of the 5th degree polynomial of the basic value of the work roll crown is shown in Table 1.

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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