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screw jack used in a crank table
Model: vintage iron crank dining table
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 Screw Jacks Screw Jack Lifts Industrial Metal Riveted Hand Adjustable Crank Table Base, Hand Operated Screw Jack Lift Table, Hand wheel worm gear screw jack. screw jack used in a crank table 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.
The screw jacks also characterised for offering an extensive range of:
* Axial load capacities, from 2.5 kN up to 500 kN.
* Advance speeds, depending on the screw pitch and the gearbox, two possible gears are offered depending on the size of the screw jack, from 4:1 to 56:1 .
* Trapezoidal and ball screws, depending on the performance required, precision of movement and positioning, etc.
* Fastening accessories and elements, for optimal adaptation to the most varied systems that may be designed.
* Control and safety systems (mechanical/inductive limit switches, absolute/incremental encoders, etc.).
* Materials and surface coverings, depending on the environmental conditions in which the unit will be installed.
* Application in MACHINE TILTING SYSTEM, PHOTOVOLTAIC INSTALLATION, PLATFORM ELEVATION SYSTEM, MANUAL POSITIONING SYSTEM, TILTING ELEVATION SYSTEM, ANTENNA ORIENATION SYSTEM, VERTICAL DRIVE DE SYSTEM, SCISSOR LIFT, SHUTTER SYSTEM, HORIZONTAL DRIVE DE SYSTEM, CONVENYOR BELT ELEVATION SYSTEM, PRESS TYPE SYSTEM, THREE SHAFT SCREW JACK SYSTEM, ELEVATION SYSTEM WITH INTEGRATED MAGNETIC SENSOR, STIRLING TRACKER, SOLAR/HELIOSTAT TRACKER 2 SHAFTS, PHOTOVOLTAIC INSTALLATION, CYLINDER/PARABOLIC SOLAR CONCENTRATION, DOOR OPENING/CLOSING SYSTEMS, MACHINE TILTING SYSTEM, Vertical Positioning System, and 4 Shafts Transmission System.
In the case of screw jacks with trapezoidal thread spindles, only a small part of the drive power is converted into lifting force. There are losses in the worm drive and at the trapezoidal thread, which have to be dissipated in the form of heat. The efficiency of trapezoid thread spindles is far lower as compared to ball screw spindles because of the sliding friction. However, the trapezoidal screw is technically simpler and less expensive. Any securing, for example by a brake, should be examined individually, owing to the limited self-locking of trapezoidal screws.
If you would like to learn more information and price about screw jack used in a crank table, 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.
The screw jacks also characterised for offering an extensive range of:
* Axial load capacities, from 2.5 kN up to 500 kN.
* Advance speeds, depending on the screw pitch and the gearbox, two possible gears are offered depending on the size of the screw jack, from 4:1 to 56:1 .
* Trapezoidal and ball screws, depending on the performance required, precision of movement and positioning, etc.
* Fastening accessories and elements, for optimal adaptation to the most varied systems that may be designed.
* Control and safety systems (mechanical/inductive limit switches, absolute/incremental encoders, etc.).
* Materials and surface coverings, depending on the environmental conditions in which the unit will be installed.
* Application in MACHINE TILTING SYSTEM, PHOTOVOLTAIC INSTALLATION, PLATFORM ELEVATION SYSTEM, MANUAL POSITIONING SYSTEM, TILTING ELEVATION SYSTEM, ANTENNA ORIENATION SYSTEM, VERTICAL DRIVE DE SYSTEM, SCISSOR LIFT, SHUTTER SYSTEM, HORIZONTAL DRIVE DE SYSTEM, CONVENYOR BELT ELEVATION SYSTEM, PRESS TYPE SYSTEM, THREE SHAFT SCREW JACK SYSTEM, ELEVATION SYSTEM WITH INTEGRATED MAGNETIC SENSOR, STIRLING TRACKER, SOLAR/HELIOSTAT TRACKER 2 SHAFTS, PHOTOVOLTAIC INSTALLATION, CYLINDER/PARABOLIC SOLAR CONCENTRATION, DOOR OPENING/CLOSING SYSTEMS, MACHINE TILTING SYSTEM, Vertical Positioning System, and 4 Shafts Transmission System.
In the case of screw jacks with trapezoidal thread spindles, only a small part of the drive power is converted into lifting force. There are losses in the worm drive and at the trapezoidal thread, which have to be dissipated in the form of heat. The efficiency of trapezoid thread spindles is far lower as compared to ball screw spindles because of the sliding friction. However, the trapezoidal screw is technically simpler and less expensive. Any securing, for example by a brake, should be examined individually, owing to the limited self-locking of trapezoidal screws.
If you would like to learn more information and price about screw jack used in a crank table, 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