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Roll Change Detection: High temperature proximity for wet areas with heat radiation proximity fo​

Short circuit protected proximity switch for 10 – 55 V DC with 3-wire technology was used for the accurate detection of roll change in very harsh operating conditions. The high temperature electronics can withstand ambient temperature of up to 100⁰C

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Roll Change Detection: High temperature proximity for wet areas with heat radiation proximity

Home    Case Studies    Pilger mill in tube rolling mills – hot and cold pipe detection

Pilger mill in tube rolling mills - hot and cold pipe detection

Best solution for roll change proximity under most aggressive environment

  • Reduction in roll change time to maximize production/ equipment availability
  • High ambient temperature electronics (1000C and 1200C)
  • Cable protection system from flying scales, sparks
  • PBT housing material prevent corrosion of the housing easy to replace during shutdown

Challenges

  • Delays/interruptions in roll change as the feedback from proximity was not reliable
  • Detection in harsh operating environment continuous water from spray headers; high ambient heat from the strips.
  • Cable damage due to flying chips / scale
  • PVC cable crackling from temp. cycling

Solution

  • Improvised field proven proximity used by SMS-Siemag | Primetals by
  • high temperature electronics
  • PBT housing designed to reduce impact of temperature cycling
  • Silicone cable withstand 1800C
  • Reduce damage from mechanical play by higher sensing 15|20|25mm
  • Integrated cable protection
  • Higher IP rating

Case Studies

Other Solutions in Hot Rolling Mills – Finishing Mills

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Short description of the problem solved, maybe include the client name.

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Sample case study title lorem ipsum here

Short description of the problem solved, maybe include the client name.

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