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IMA Inch series

  • Designed to suit US market and other countries using inch units.
  • CLASSIC Model IMA Imperial.
  • 12 Different Sizes.
  • Lifting Capacities 0.25 to 50 Tonnes (560 to 112000 lbs).
  • Drive Motor Speed up to 1750 rpm.
  • Self Locking Acme Screw.
  • Worm Gear in three ratios, Nominal, Slow1 & Slow2.
  • Lifting Screw in two different pitches.
  • Top and Bottom Guide bushes for Lifting Screw.
  • Inverted base configuration for 2,3 and 50 T models.
  • Worm Wheel hobbed for optimum blue contact.
  • Filled with NLGI EP 1 or 2 grade grease.
  • Worm Shaft Case carburized Steel, hardened and ground thread profile.
  • Acme Screw Shaft Cr-Mo Steel, hardened & tempered.
  • Housing Alloy aluminum for 0.25, 0.5 and 10 Tonne, all higher sizes in SG Iron.
  • Worm Wheel and travelling nut in Aluminium Bronze.

Screw Rod Axially Traversing (Translating Screw)Type 1

  • Design 1A Upright
    Travelling Nut
  • Design1B Inverted
    Travelling Nut

Travelling Nut and Rotating Screw Type 2

  • Design 2A Upright
    Rotating Screw Type 2
  • Design 2B Inverted
    Rotating Screw Type 2

Screw Rod- End Variants

  • Head I - Plain Diameter End
  • Head II - Standard Top Plate
  • Head III - Threaded End
  • Head IV - Clevis End
  • Inverted Translating + Antibacklash
  • Inverted Translating Screw + Antiturn (Keyed)
  • Upright Translating Screw + Antibacklash+Antiturn (Keyed)
  • Inverted Translating Screw + Antibacklash +Antiturn (Keyed)
  • Upright Translating Screw + Antibacklash
  • Upright Translating Screw + Antibacklash
  • Protection Tube
  • Bellows
  • Hand Wheels / Crank ( HW/HC )
  • Motor Flange
  • Limit Switches( LS )
  • Proximity Switches
  • Safety Nut (Type 2)
  • Swivel Base( SB )