Worm gear screw jack , Lifting system manufacturers and suppliers
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MWJ Metric series

  • CLASSIC Model MWJ.
  • 15 Different Sizes.
  • Lifting Capacities 5kN TO 1500kN.
  • Drive Motor Speed up to 1500 rpm.
  • Self Locking Trapezoidal Screw.
  • Worm Gear in two ratios, Nominal and Slow.
  • Top and Bottom Guide bushes for Lifting Screw.
  • Worm Wheel hobbed for optimum blue contact.
  • Filled with NLGI EP 1 or 2 grade grease.
  • Housing made of closed grain cast iron Grade 25
  • Screw made of Cr-Mo medium carbon Steel hardened & Tempered for high Core strength.
  • Nut made of aluminum bronze to British Standard grade AB2
  • Bevel gears Case hardened

Travelling Nut

  • Design 1A Upright
  • Design1B Inverted

Rotating Screw Type 2

  • Design 2A Upright
  • Rotating Screw, Traveling Nut (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
  • Swivel Base( SB )
  • Safety Nut (Type 2)
  • Proximity Switches
  • Limit Switches( LS )
  • Motor Flange
  • Hand Wheels / Crank ( HW/HC )
  • Bellows
  • Protection Tube