High Speed Screw Jacks KH
High Speed Screw Jacks contain spiral bevel gear sets made from high quality case hardened alloy steel.
Key features:
- Lifting force from 15 kN to 90 kN
- Linear speeds up to 13.5 m/min
- 3 sizes in 3 gear ratios for normal and slow linear speeds using trapezoidal spindles
- Ball screw options for higher linear speeds
- Can be mounted in any attitude
- Low wear and maintenance
- Aluminium or grey cast iron gear casings in a cubic form
In Version AS a travel limiter is fitted to prevent overtravel of the spindle
In Version VS spindle rotation prevention is included.
In Version AS-VS both overtravel and spindle rotation prevention is provided
Version G
Translating (Basic)
In Version G the spindle provides the linear motion. In this design the spindle moves axially through the jack nut. Rotation of the spindle must be prevented; usually by fixing the end of the spindle to the item being moved.
Accessories
Accessories available include spindle ends, safety nuts, bellows, limit switches, trunnion adaptors, handwheels, mounting feet, cardan shafts, support bearings, bevel gearboxes, couplings to motors and motor adaptor flanges.
Version LM
Rotating (Travelling Nut)
In Version LM the spindle is axially fixed and linear motion is transmitted to the running nut by rotation of the spindle. The nut must be secured against rotation by fixing to the item or mechanism being moved.
Accessories
Accessories available include spindle ends, safety nuts, bellows, limit switches, trunnion adaptors, handwheels, mounting feet, cardan shafts, support bearings, bevel gearboxes, couplings to motors and motor adaptor flanges.
Downloads
| Name | Files |
|---|---|
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High Speed Screw Jack Catalogue |
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High Speed Screw Jack Basic Version (G) Operating Instructions |
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High Speed Screw Jack Travelling Nut Version (LM) Operating Instructions |
| Name | Files |
|---|---|
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Full GROB Catalogue |
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Lifting Solutions Catalogue |
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Drive Lines Product Brochure |
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Application Questionnaire |
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Lubrication Information |
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Frequently Asked Questions |
| Type | Lifting Force (kN) | Spindle Size | Ratio | m/min | Ratio | m/min | Ratio | m/min |
|---|---|---|---|---|---|---|---|---|
KH090 | 15.0 | Tr 24×5 | 1:1 | 7.5 | 2:1 | 3.75 | 3:1 | 2.5 |
KH140 | 40.0 | Tr 40×7 | 1:1 | 10.5 | 2:1 | 5.25 | 3:1 | 3.5 |
KH230 | 90.0 | Tr 60×9 | 1:1 | 13.5 | 2:1 | 6.75 | 3:1 | 4.5 |
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