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THE NAME:
hand crank screw jack lifting tables
Model: vintage crank table base
Categories: Hand Crank Screw Jack for Lifting Tables »
Place of Origin: Made In China
Brand Name: JACTON
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Description:
We are manufacture and sale Hand Crank Screw Jacks Manual Screw Lift Crank Screw Jacks Antique Appearance Crank Long Table, manual trapezoidal screw jack with handwheel. hand crank screw jack lifting tables lift mechanism includes two 2.5 ton screw mechanisms for crank table base, four 2.5 ton screw mechanisms for crank table base, and two 5 ton screw mechanisms for crank table base. All our screw mechanisms have self-locking function, don't require any lock mechanism, they will hold and stop any position without turning hand crank.
* Crank Screw Lift Mechanism 2.5-Ton Kit with Two Lifting Points (Small-Size, or Normal Table Base) is consist of two pieces 2.5-ton screw mechanisms that support and adjust height, two pieces 200mm diameter handwheel (cast iron), two pieces couplings and one piece connecting rod.
* Crank Screw Lift Mechanism 2.5-Ton Kit with Four Lifting Points (Big, or Super-Big Table Base) is consist of four pieces 2.5-ton screw mechanisms that support and adjust height, two pieces 300mm diameter handwheel (cast iron), four pieces transmission gears, four pieces couplings and two piece connecting rods.
* Crank Screw Lift Mechanism 5-Ton Kit with Two Lifting Points (Normal, or Big Table Base) is consist of two pieces 5-ton screw mechanisms that support and adjust height, two pieces 300mm diameter handwheel (cast iron materials), two pieces couplings and one piece connecting rod.
Important Note: Avoid slow lifting speed, we provide double lead screw mechanism, which is two times faster than normal single lead screw mechanism.
Important Note: Connecting rod length 36", 43", 48", 52", 60". Can be customized.
Important Note: Height adjustment 8", 10", 12", 14", 16", 18", 20". Can be customized.
Important Note: Handwheel diameter 6", 8", 10", 12", 16".
Important Note: Paint color: no paint, black, blue, grey.
Important Note: Available in electric motorized screw lift mechanism with single phase motor, dc motor or electric hand driller.
Trapezoidal Screw Jack Features:
Self-locking characteristic: Since it has a self-locking function due to the adoption of trapezoidal thread of an optimum lead, this screw jack does not need any braking mechanism in the driving shaft system.
Fixed quantity operating characteristic: This screw jack permits fixed quantity operation because the adoption of high-accuracy worm and screw makes it possible to obtain a lifting screw lead proportionated to the amount of rotation of the input shaft. Anti-backlash type is also available for uses in which hysteresis must be avoided.
Interlocking characteristic: Since the input shaft of this fixed quantity operation machine is of the "through" construction, it is possible to interlock many operation points at the same speed by connecting ma-chines of the same type.
Non pollution characteristic: The high-accuracy worm and screw are in smooth mesh and do not cause oil leakage. So this machine can be used even in a clean room.
Long-life characteristic: Making full use of the advantage of grease lubrication, the lifting screw is fed with only a small quantity of grease every time the machine is operated. This prevents the failure of lubrication and prolongs the service life. NOTE: Bevel gear-type screw jack specially designed for manual operation is also available.
The jack is generally subject to an axial load on the trapezoidal screw. In case of a compressive load, the jack needs to be supported correctly in order to ensure proper operation of the jack. The supporting will, however, considerably affect the performance of the transmission at buckling load.
If you would like to learn more information and price about hand crank screw jack lifting tables, contact us today. Our teams are looking forward to working with you.
* Crank Screw Lift Mechanism 2.5-Ton Kit with Two Lifting Points (Small-Size, or Normal Table Base) is consist of two pieces 2.5-ton screw mechanisms that support and adjust height, two pieces 200mm diameter handwheel (cast iron), two pieces couplings and one piece connecting rod.
* Crank Screw Lift Mechanism 2.5-Ton Kit with Four Lifting Points (Big, or Super-Big Table Base) is consist of four pieces 2.5-ton screw mechanisms that support and adjust height, two pieces 300mm diameter handwheel (cast iron), four pieces transmission gears, four pieces couplings and two piece connecting rods.
* Crank Screw Lift Mechanism 5-Ton Kit with Two Lifting Points (Normal, or Big Table Base) is consist of two pieces 5-ton screw mechanisms that support and adjust height, two pieces 300mm diameter handwheel (cast iron materials), two pieces couplings and one piece connecting rod.
Important Note: Avoid slow lifting speed, we provide double lead screw mechanism, which is two times faster than normal single lead screw mechanism.
Important Note: Connecting rod length 36", 43", 48", 52", 60". Can be customized.
Important Note: Height adjustment 8", 10", 12", 14", 16", 18", 20". Can be customized.
Important Note: Handwheel diameter 6", 8", 10", 12", 16".
Important Note: Paint color: no paint, black, blue, grey.
Important Note: Available in electric motorized screw lift mechanism with single phase motor, dc motor or electric hand driller.
Trapezoidal Screw Jack Features:
Self-locking characteristic: Since it has a self-locking function due to the adoption of trapezoidal thread of an optimum lead, this screw jack does not need any braking mechanism in the driving shaft system.
Fixed quantity operating characteristic: This screw jack permits fixed quantity operation because the adoption of high-accuracy worm and screw makes it possible to obtain a lifting screw lead proportionated to the amount of rotation of the input shaft. Anti-backlash type is also available for uses in which hysteresis must be avoided.
Interlocking characteristic: Since the input shaft of this fixed quantity operation machine is of the "through" construction, it is possible to interlock many operation points at the same speed by connecting ma-chines of the same type.
Non pollution characteristic: The high-accuracy worm and screw are in smooth mesh and do not cause oil leakage. So this machine can be used even in a clean room.
Long-life characteristic: Making full use of the advantage of grease lubrication, the lifting screw is fed with only a small quantity of grease every time the machine is operated. This prevents the failure of lubrication and prolongs the service life. NOTE: Bevel gear-type screw jack specially designed for manual operation is also available.
The jack is generally subject to an axial load on the trapezoidal screw. In case of a compressive load, the jack needs to be supported correctly in order to ensure proper operation of the jack. The supporting will, however, considerably affect the performance of the transmission at buckling load.
If you would like to learn more information and price about hand crank screw jack lifting tables, contact us today. Our teams are looking forward to working with you.
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Jacton Industry Co.,Ltd.
Contact: Warren Lee
Skype: jactonjack
T: 86-769-81585810
F: 86-769-81585852
E: sales@jactonindustry.com
W: www.screw-jack.com
Contact: Warren LeeSkype: jactonjackT: 86-769-81585810 F: 86-769-81585852 E: sales@jactonindustry.com W: www.screw-jack.com
VAT No. 9144190007026567X3, Copyright ©2013 www.screw-jack.com Jacton Industry Co.,Ltd. All Rights Reserved Site Map
Building 2, No. 1, DongCheng Road, Chang An, Dongguan, Guangdong, China. Phone: 86-769-81585810 | Fax: 86-769-81585852
China Screw Jack,Ball Screw Jack,Machine Screw Jack,Worm Gear Screw Jack,Bevel Gear Screw Jack,Miter Gearbox,Screw Jack Lift System Manufacturer
China Screw Jack,Ball Screw Jack,Machine Screw Jack,Worm Gear Screw Jack,Bevel Gear Screw Jack,Miter Gearbox,Screw Jack Lift System Manufacturer