The SOTO Mechanical Engineering team was engaged to design the C-hook for a Metal Coating Line. The design needed to enable the rapid removal and replacement of rolls. The C-hook is fixed to the roll shaft by hinged clamps carefully designed for ease of installation and to prevent roll damage.


  • 3D modeling to detect clashes with existing equipment and involve maintenance personnel
  • Engineering design and detail drawings
  • Engineering analysis using Finite Element Analysis (FEA)
  • Review and verification of the design by an experienced senior engineer
  • Installation procedures.


The achievements and outcomes of the project included:

  • a reduction in downtime during roll removal / installation
  • increased safety
  • reduced roll damage
  • the design was certified to Australian Standards.

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