Anti-backlash Screw Jacks
Anti-backlash actuators reduce vertical backlash resulting in smooth, precise operation and minimal wear.
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Specifications
Specifications
Capacity Tons | 1/8 | 1/4 | 1/2 | 1 | 2 | 5 | 10 |
---|---|---|---|---|---|---|---|
Model Number | E250 | E500 | E1000 | E2000 | E4000 | E10000 | E20000 |
Maximum Speed C-face Driven (in/min) | — | — | — | — | 72 | 108 | 108 |
Maximum Speed Reducer Driven (in/min) | — | — | — | — | 14.1 | 21.9 | 21.9 |
Lifting Screw - Diameter (in) | 1/2 | 1/2 | 5/8 | 3/4 | 1 | 1-1/2 | 2 |
Lifting Screw - Pitch | 0.25 | 0.25 | 0.125 | 0.2 | 0.25 | 0.375 | 0.5 |
Lifting Screw - Type | ACME | ACME | ACME | ACME | ACME | ACME | ACME |
Worm Gear Rations | 5:1 | 5:1 | 5:1 | 5:1 | 6:1 | 6:1 | 8:1 |
Turns of Worm for 1 inch Stroke | 20 | 20 | 40 | 25 | 24 | 16 | 16 |
Worm Torque at No Load (in-lb) | 2 | 2 | 2 | 5 | 5 | 10 | 20 |
Maximum Horsepower per Actuator | 1/3 | 1/3 | 1/3 | 1/2 | 2 | 4 | 5 |
Worm Torque at Full Load* (in-lb) | 13 | 13 | 21 | 55 | 120 | 450 | 750 |
Effeciency Rating (%) | 30.6 | 30.6 | 18.9 | 23.1 | 22.1 | 22.1 | 26.5 |
Key Torque (in-lb) | 40 | 40 | 70 | 175 | 460 | 1750 | 4700 |
Maximum Worm Speed at Full Load (Rpm) | 1616 | 1616 | 1000 | 573 | 1051 | 560 | 420 |
Maximum Load at Full Horsepower ad 1750 Rpm (lb) | 455 | 455 | 527 | 520 | 2332 | 3047 | 4386 |
Weight with 3 inch Stroke (lb) | 2 | 2 | 2 | 5 | 17 | 34 | 52 |
Weight per Additional 1 inch Stroke (lb) | 0.1 | 0.1 | 0.1 | 0.3 | 0.3 | 0.9 | 1.4 |
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