Technology for utilization of banded cylinders with use of hard-alloyed rings

List of operations for the technology introduction:

  • calculation of streams quantity and arrangement of rings on cylinders;
  • development and submission of drafts of cylinders (axes), hard-alloyed rings, fastening and fixative elements;
  • development of a technology for assembling and disassembling of bandaged cylinders;
  • technology for cooling of bandaged cylinders during operation;
  • training and control over compliance with the technologies of assembly, cutting and cooling of bandaged cylinders during operation

Bandaged cylinders are employed in operations on finishing groups of small-section mills for production of rings and armature.

Hard-alloyed material has gauge hardness НRС 77...88 which gives high wear resistance, strength and resilience.

Advantages of given technology:

  • increase of wear resistance of gauges twentyfold and more comparing to other steel and cast iron cylinders;
  • decrease of technological shutdowns of mills, associated with transfer of gauges and cylinders;
  • obtaining high quality of surface;
  • achieving stable receipt of profile geometrical sizes.

Rolling

 
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