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
Three different frames in centre distances of 59.88 and 117mm.
Lifting capacity from 7.5kN to 300kN.
Input motor speed upto 3000rpm.
Lifting speed upto 7.5m/min.
Worm seat ration 5:1 standard.
Ball Screw sizes from 20 upto 80mm from travelling screw and upto 125mm for travelling nut version.
Top and bottom guide bushed for ball screw.
Tapered roller bearings for worm shaft and worm wheel support.
Case hardened and ground worm with Aluminium bronze worm wheel.
Can be used upright or inverted.
Copyright 2010, Altratech. All Rights Reserved