Variable crown roll shape control systems

  • US 4,445,349 A
  • Filed: 11/17/1981
  • Issued: 05/01/1984
  • Est. Priority Date: 11/17/1981
  • Status: Expired due to Fees
First Claim
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1. A rolling mill system for flat rolled products comprising a cylindrical roll body formed with at least one constant cross-section closed internal channel spaced uniformly from its working surface extending spirally as a fraction of a turn only around a portion of the cylindrical body surface from end to end thereof and adapted to contain hydraulic fluid under pressure and fluid pressure measuring means connected with that channel, thereby continuously measuring the pressure on the roll of that portion only of the moving flat rolled product immediately opposite that portion only of the channel at the work contact line of the rotating roll.

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