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Swl Worm Gear Screw Jacks
Posted at: Offers to Sell and Export | Posted on: Wednesday 15 June 2011 7:57 am | Poster last visit: Thursday 19 May 2016 |
Product Category: Main
» Manufacturing Components and Supplies
» Bearings and bushings and wheels and gears
» Gears
» Worm gears
» Swl Worm Gear Screw Jacks
Product Description:
NOSEN Offers SWL Worm Gear Screw Jacks.
* 12 models are available RN-05T, RN-1T, RN-2T, RN-3T, RN-5T,
RN-10T, RN-15T, RN-20T, RN-30T, RN-40T, RN-50T, RN-100T.
* Loading Capacities:
Static loading: max 100 tons
Dynamic loading: max 26 tons
* Used wherever precisely controlled lifting, lowering, pushing, pulling and rolling movements are required in an efficient and reliable operation. They can be flexibly configured, either being installed as single units, in pairs or multiple jacks systems and can be driven by electric or manually, fully synchronization.
* All versions are designed for both tensile and compressive loads and will operate in any orientation or mounting position.
* Speed of travel
1. Gear Ratio H (high speed)
Worm gear screw jacks with trapezoidal screw produce an advance of 1 mm for each revolution of the worm shaft. The linear speed is 1500 mm per min at 1500 rpm. Worm gear screw jacks with ball screws achieve between 1071 mm per min and 2124 mm per min, depending on size and lead.
2. Gear Ratio M (middle speed)
Worm gear screw jacks with trapezoidal screw produce an advance of 0.5 mm for each revolution of the worm shaft. The linear speed is 750 mm per min at 1500 rpm.
3. Gear Ratio L (low speed)
Worm gear screw jacks with trapezoidal screw produce an advance of 0.25 mm for each full revolution of the worm shaft. That is, the linear speed is 375 mm per min at 1500 rpm. Worm gear screw jacks with ball screws achieve between 312 mm per min and 535 mm per min, depending on size and lead.
Please note that higher speeds of travel can be achieved with larger screw pitches or multiple start screws. The worm gear screw jack’s maximum drive revolutions (standard grease lubrication) of 1800 rpm must not be exceeded. The higher efficiency of the ball screw drive also permits a longer duty cycle.
* Lateral Force
Usually, worm gear screw jack only loads lift screw axial loading, don’t permit to load any lateral force. Any lateral force will reduce screw jack working life, even damage screw jack. We suggest, lateral forces that may occur should be taken by an external guide rail.
* Self-locking functions
Absolutely irreversible, they can support their applied loads without needing any brakes or other locking systems.
The self-locking function depends on a variety of parameters: Large pitches, Different gear ratios, Lubrication, Friction parameters, Ambient influences( such as high or low temperatures), vibrations and The mounting position.
Ball screw with large pitches are consequently not self-locking. Suitable brakes or braking motors must therefore be considered in such cases. Limited self-locking can be assumed for smaller pitches (single-start).
* Anti-rotation devices
Single screw jack application, isn’t guided and without any guide rails, lift screw does not do linear motions, only rotation, especially light loading. If that is the case, need to extra add anti-rotation devices.
* Stop collar
Prevents the screw from being removed from the jack gearbox. Optionally available for screw jacks with trapezoidal screws. The stop collar cannot be used as a fixed stop.
* Working temperatures
-20~80 °c
* Complete range of accessories:
spiral bevel gearboxes, hand wheel, electric motor/reducer, inverter, travel nut, steel cover, rubber bellows, limited switches, couplings, linking shaft, trunnion base etc.
* Application Industries:
Precision lift table, Roll forming machines, Press machines, Tunnel Freezer, Surface-Gringing machines, Satellite dish antenna, Solar tracking system, Sluice gate, Theatre stage, Slitting line, Precision leveler, Powered straightener, Paper machines, Food processing machines, Textiles machines etc.
Company Contact:
Contact Name: Jack Kuang
Company Name: Nosen M&E Technology Co., Ltd
Email:
Tel: 86-769-85644651
Fax: 86-769-85644652
Street Address: Building F, Xinhaoyuan
Industrial Park, Xitou, Houjie, Dongguan,
Guangdong, China
Website: http://www.nosenjack.com
Member name: nosenkw
Country:
China
Member Since: 26 May 2009
Total Leads: 519 nosenkw Import Export Business Leads
Business focus: Screw Jack, Bevel Gearbox, Screw Jack System
Chat:
Verify: Safe Import Export Tips
* 12 models are available RN-05T, RN-1T, RN-2T, RN-3T, RN-5T,
RN-10T, RN-15T, RN-20T, RN-30T, RN-40T, RN-50T, RN-100T.
* Loading Capacities:
Static loading: max 100 tons
Dynamic loading: max 26 tons
* Used wherever precisely controlled lifting, lowering, pushing, pulling and rolling movements are required in an efficient and reliable operation. They can be flexibly configured, either being installed as single units, in pairs or multiple jacks systems and can be driven by electric or manually, fully synchronization.
* All versions are designed for both tensile and compressive loads and will operate in any orientation or mounting position.
* Speed of travel
1. Gear Ratio H (high speed)
Worm gear screw jacks with trapezoidal screw produce an advance of 1 mm for each revolution of the worm shaft. The linear speed is 1500 mm per min at 1500 rpm. Worm gear screw jacks with ball screws achieve between 1071 mm per min and 2124 mm per min, depending on size and lead.
2. Gear Ratio M (middle speed)
Worm gear screw jacks with trapezoidal screw produce an advance of 0.5 mm for each revolution of the worm shaft. The linear speed is 750 mm per min at 1500 rpm.
3. Gear Ratio L (low speed)
Worm gear screw jacks with trapezoidal screw produce an advance of 0.25 mm for each full revolution of the worm shaft. That is, the linear speed is 375 mm per min at 1500 rpm. Worm gear screw jacks with ball screws achieve between 312 mm per min and 535 mm per min, depending on size and lead.
Please note that higher speeds of travel can be achieved with larger screw pitches or multiple start screws. The worm gear screw jack’s maximum drive revolutions (standard grease lubrication) of 1800 rpm must not be exceeded. The higher efficiency of the ball screw drive also permits a longer duty cycle.
* Lateral Force
Usually, worm gear screw jack only loads lift screw axial loading, don’t permit to load any lateral force. Any lateral force will reduce screw jack working life, even damage screw jack. We suggest, lateral forces that may occur should be taken by an external guide rail.
* Self-locking functions
Absolutely irreversible, they can support their applied loads without needing any brakes or other locking systems.
The self-locking function depends on a variety of parameters: Large pitches, Different gear ratios, Lubrication, Friction parameters, Ambient influences( such as high or low temperatures), vibrations and The mounting position.
Ball screw with large pitches are consequently not self-locking. Suitable brakes or braking motors must therefore be considered in such cases. Limited self-locking can be assumed for smaller pitches (single-start).
* Anti-rotation devices
Single screw jack application, isn’t guided and without any guide rails, lift screw does not do linear motions, only rotation, especially light loading. If that is the case, need to extra add anti-rotation devices.
* Stop collar
Prevents the screw from being removed from the jack gearbox. Optionally available for screw jacks with trapezoidal screws. The stop collar cannot be used as a fixed stop.
* Working temperatures
-20~80 °c
* Complete range of accessories:
spiral bevel gearboxes, hand wheel, electric motor/reducer, inverter, travel nut, steel cover, rubber bellows, limited switches, couplings, linking shaft, trunnion base etc.
* Application Industries:
Precision lift table, Roll forming machines, Press machines, Tunnel Freezer, Surface-Gringing machines, Satellite dish antenna, Solar tracking system, Sluice gate, Theatre stage, Slitting line, Precision leveler, Powered straightener, Paper machines, Food processing machines, Textiles machines etc.
Company Contact:
Contact Name: Jack Kuang
Company Name: Nosen M&E Technology Co., Ltd
Email:
Tel: 86-769-85644651
Fax: 86-769-85644652
Street Address: Building F, Xinhaoyuan
Industrial Park, Xitou, Houjie, Dongguan,
Guangdong, China
Website: http://www.nosenjack.com
Member name: nosenkw
Country:
ChinaMember Since: 26 May 2009
Total Leads: 519 nosenkw Import Export Business Leads
Business focus: Screw Jack, Bevel Gearbox, Screw Jack System
Chat:
Verify: Safe Import Export Tips
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