Skip to content Skip to navigation
  1. Home
  2. Produtos
  3. Macacos de parafuso
  4. Machine Screw Jack

Machine Screw Jack

Worm Gear Machine Screw Jacks incorporate an alloy steel worm gear which drives a high strength bronze drive sleeve. The worm shaft is supported on anti-friction tapered roller bearings with external seals to prevent loss of lubrication. The drive sleeve is supported on tapered roller or thrust bearings.

Visão geral

Machine Screw Jack Specifications:

Model Gear Ratio Capacity (tons)

Lifting Screw Dia

(in)

Screw Lead

(in)

Root Dia

(in)

 Turns of Worm for 1" Travel

Max Input Torque

(in-lb)

Max Input

(hp)

Max Worm Speed at Rate Load

(rpm)

Max Load at 1,750 rpm

(lb)

 Torque to Raise 1lb. (in-lb)

Lift Shaft Eff.

(%)

Tare Drag Torque

(in-lb)
1-MSJ 5:1 1 3⁄4 .200 .502 25 45 1⁄2 700 800 .0225 40 3
20:1 1 3⁄4 .200 .502 100 21 1⁄4 750 857 .0105 40 3

2-MSJ

 6:1 2 1 .250 .698 24 100 2 1,260 2,881 .0250 38 4
12:1 2 1 .250 .698 48 62 1 1⁄2 1,525 3,456 .0154 38 4
24:1 2 1 .250 .698 96 42 1⁄2 750 1,715 .0105 38 4
2R-MSJ 6:1 2 1 .250 .698 24 100 2 1,260 2,881 .0250 38 4
12:1 2 1 .250 .698 48 62 1 1⁄2 1,525 3,486 .0154 38 4
24:1 2 1 .250 .698 96 42 1⁄2 750 1,715 .0105 38 4
2.5-MSJ 6:1 2 1⁄2 1 .250 .698 24 126 2 1,000 2,858 .0252 38 5
12:1 2 1⁄2 1 .250 .698 48 74 1 1⁄2 1,277 3,650 .0148 38 5
24:1 2 1⁄2 1 .250 .698 96 53 1⁄2 594 1,699 .0106 38 5
5-MSJ 6:1 5 1 1⁄2 .375 1.066 16 376 3 500 2,873 .0376 40 10
24:1 5 1 1⁄2 .375 1.066 64 144 3⁄4 330 1,875 .0144 40 10
10-MSJ 8:1 10 2 .500 1.410 16 753 5 418 4,766 .0377 40 20
24:1 10 2 .500 1.410 48 384 1 1⁄2 246 2,813 .0192 40 20
15-MSJ 8:1 15 2 1⁄4 .500 1.684 16 1,221 5 258 4,424 .0407 37 20
24:1 15 2 1⁄4 .500 1.684 48 654 1 1⁄2 144 2,478 .0218 37 20
20-MSJ 8:1 20 2 1⁄2 .500 1.908 16 1,740 7 1⁄2 272 6,209 .0435 34 40
24:1 20 2 1⁄2 .500 1.908 48 873 2 1⁄2 180 4,130 .0218 34 40
30-MSJ 10 2⁄3:1 30 3 3⁄8 .667 2.652 16 2,710 11 256 8,764 .0432 34 50
32:1 30 3 3⁄8 .667 2.652 48 1,411 3 1⁄2 156 5,364 .0235 34 50
35-MSJ 10 2⁄3:1 35 3 3⁄4 .667 3.009 16 3,450 11 200 8,035 .0493 30 50
32:1 35 3 3⁄4 .667 3.009 48 1,800 3 1⁄2 122 4,904 .0257 30 50
50-MSJ 10 2⁄3:1 50 4 1⁄2 .667 3.782 16 5,555 16 181 10,382 .0555 28 100
32:1 50 4 1⁄2 .667 3.782 48 3,014 5 104 5,982 .0301 28 100
75-MSJ 10 2⁄3:1 75 5 .667 4.286 16 8,236 28 214 18,368 .0549 26 155
32:1 75 5 .667 4.286 48 3,780 9 150 12,862 .0252 26 155

 

Machine Screw Jack Highlights:

  • Acme screw
  • Self locking
  • Low noise (no rolling components)
  • Ideal for vertical and light loads
  • Pre-loaded nut assembly reduces backlash
  • Safe for static loads
  • Lower cost
back to top