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Profile End Engineered Class Pulleys
  • these designs eliminate some of the acute deficiencies of other designs
      1) dynamic stress analysis optimizes final geometry
             minimizes stress concentrations and alternating stress ranges
             maximizes pulley’s life and reliability
             eliminates the cost of downtime
      2) hub weld is eliminated
    , the most significant cause of pulley failure
      3) keyless compression fittings
    are used so shafts no longer have to be keyed

Profile End Plates (with B-LOC 106)
RASP Profile End Plate with B-LOC B106 Series Fitting
  • machined from single plate discs
       eliminates hub weld & increases end flexibility
       reduces stresses on the end/rim joint & stops bushing fretting
  • weld prep is done at the joint to the rimplate
  • narrow hub will only accommodate smaller width locking devices
  • typically used with B-LOC 106 series keyless fittings or any tapered bushing
  • recommended for belt tensions that do not exceed 25,000 lbf
 

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