Weld Seamer
    Turning Rolls              
 

 

 

turning_rolls

Turning Rolls are used to accurately rotate a part about a weld head to produce high quality welds in a variety of different applications.  They can also be used to rotate parts for fit-up applications and pre/post heating processes.    You can locate the weld head in various positions in order to perform various types of welds.  Welding is performed using GTAW, PAW, GMAW, FCAW, or SAW.   

Benefits: AMET’s turning rolls have several benefits over welding the part manually, using an orbital welder or by using just a motorized carriage or “buggy” approach, including: 

  • Able to rotate the part continuously without having to worry about entangling cables and hoses.
  • Able to rotate the part consistently.
  • Ability to weld internally and externally.
  • Gas back purge capability.
  • Add tooling to support part and/or weld joint.
  • Increased weld (arc-on) time.
  • Reduced operator fatigue and involvement.
  • Reduced consumable costs.
  • Simple loading and unloading of the part.

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Capacities: AMET currently offers three standard models of turning rolls:
  1. Piper
  2. Conventional
  3. Self-Aligning
 The Piper has two weight capacities, 1 and 3 ton.  The conventional and self-aligning have weight capacities from 5 ton to 90 ton. All standard driven and idler turning rolls have the following general capacities and specifications: 
  • On driven rollers, both wheels are driven to help avoid part slipping.
  • Rotational Speed Accuracy: +/- 2% of base speed.
  • Overload protection on the wheels.
  • Rotational Backlash less then 20 arc minutes.
  • On conventional and self-aligning, dual AC Motors with synchronized AC Vector Drive control, to provide constant drive to each wheel.
  • Individual worm gear driven wheels.
  • Dual drive allows simple change of diameter ranges, avoiding mechanical linkages .
  • Speed Range Ratio of about  30 to 1.
  • Pillow Blocks built to handle shock loads from loading.
  • Based are machined and stress relieved to insure accurate rotation over the life of the turning rolls.
  • Dynamic breaking in the control circuit to insure quick, yet smooth stops to the load.
   
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Also available: Fit Up Rolls