16 #DriveLineHarmony Suggested service factors listed are typical values based on normal operation of the mechanical power transmission system. Quick Flex Couplings Service Factors for Applications www.jbj.co.uk/couplings.html Application Service Factor Mill Tables Roughing Breakdown Mills 3.25 Hot Bed or Transfer (Non-Reversing) 1.75 Runout (Reversing) 3.25 Runout (Non-Reversing, Non-Plugging) 2.25 Reel Drives 2.0 Rod Mills Refer to Equipment OEM Screwdown 2.25 Seamless-Tube Mills Piercer 3.25 Thrust Block 2.25 Tube-Conveyor Rolls 2.25 Reeler 2.25 Kick Out 2.25 Shear, Croppers Refer to Equipment OEM Sideguards 3.25 Skelp Mills Refer to Equipment OEM Slitters (Steel Mill Only) 2.0 Soaking Pit Cover Drives Lift 1.25 Travel 2.25 Straighteners 2.25 Unscramblers (Billet Bundle Busters) 2.25 Wire-Drawing Machinery 2.0 Mixers (also see Agitators) Concrete 1.75 Muller 1.5 Oil Industry Chiller 1.50 Oilwell Pumping (Not Over 150 Percent Peak Torque) 2.5 Paraffin Filter Press 1.75 Rotary Kiln 2.5 Paper Mills Barker, Auxiliary, Hydraulic 2.5 Barker, Mechanical 2.5 Barker, Drum L.S. Shaft of Reducer with Final Drive Helical or Herringbone Gear 2.5 Machined Spur Gear 3.0 Cast Tooth Spur Gear 3.0 Beater and Pulper 2.0 Bleachers, Coaters 1.5 Calendar and Super Calendar 2.0 Chipper 3.0 Converting Machine 1.50 Couch 2.00 Cutter, Felt Whipper 2.25 Application Service Factor Lumber Band Resaw 2.0 Circular Resaw, Cutoff 2.0 Edger, Head Rig, Hog 2.5 Gang Saw (Reciprocating) 3.0 Log Haul 2.5 Planer 2.0 Rolls, Non-Reversing 1.5 Rolls, Reversing 2.5 Sawdust Conveyor 1.5 Slab Conveyor 2.0 Sorting Table 1.75 Trimmer 2.0 Machine Tools Auxiliary and Traverse Drive 1.0 Bending Roll, Notching Press, Punch, Press, Planer, Plate-Reversing 1.75 Main Drive 1.5 Metal Rolling Mills Coilers (Up or Down) Cold Mill Only 1.75 Coilers (Up or Down) Hot Mill Only 2.25 Coke Plants Pusher Ram Drive 2.75 Door Opener 2.25 Pusher or Larry Car Traction Drive 3.25 Continuous Caster 2.0 Cold Mills Strip Mills Refer to Equipment OEM Temper Mills Refer to Equipment OEM Cooling Beds 1.75 Drawbench 2.25 Feed Rolls: Blooming Mills 3.25 Furnace Pushers 2.25 Hot and Cold Saws 2.25 Hot Mills Strip or Sheet Mills Refer to Equipment OEM Reversing Blooming Refer to Equipment OEM Slabbing Mills Refer to Equipment OEM Edger Drives Refer to Equipment OEM Ingot Cars 2.25 Manipulators 3.25 Merchant Mills Refer to Equipment OEM
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