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ActionJac 20-BSJ-IR 24:1

Inch Worm Gear Ball Screw Jack, Inverted Rotating, 20 Ton Capacity, 24:1 Gear Ratio, Screw Lead 0.5" Read More
Product Specifications

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Product Specifications

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Specifications Diagram

Details

Capacity [Ton]:
20
Gear Ratio:
24:1
Turns of Worm per Inch Travel:
48
Torque to Raise 1 lb. [in-lb]:
0.0079
Lifting Screw Diameter [in]:
2.25
Screw Lead [in]:
0.500
Root Diameter [in]:
1.850
BackDrive Holding Torque [ft-lb]:
7.0
Tare Drag Torque [in-lb]:
40

Performance Specifications

Maximum Allowable Input [hp]:
2.50
Maximum Input Torque [in-lb]:
314
Maximum Worm Speed at Rated Load [rpm]:
501
Maximum Load at 1750 RPM [lb]:
11397
Starting Torque:
1.5 x Running Torque

Weight

Base 0 Travel [lb]:
85
Per Inch of Travel [lb]:
1.50
Grease [lb]:
2.2

More Details

A Inverted Rotating Screw Jack has a lift shaft that moves a nut as it turns. The lift shaft is fixed to the worm gear. This causes the load, which is attached to the travel nut, to move along the lift shaft. A Inverted Roating Screw jacks has the lift shaft extending out the bottom of the jack.