250kn worm gear screw jack,jtc250 25 ton heavy load screw jack,25 tonnes high capacity machine screw actuators features: 1. Lifting Force 250kN. Under max. lifting force, drive torque high speed 200.36Nm, low speed 67.32Nm. 2. Acme screw diameter 80 mm, pitch 10 mm. 3. High gear ratio 1/10, low gear ratio 1/40. 4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation. 5. Precision positioning, self-locking acme screw which supports the loads and hold position with no need to employ brake mechanism or other locking systems. 6. Hand-operated screw jack by handle or crank, motorised screw jack by by 3-phase or single phase motor or gear motor. 7. No standard acme screw travel length, all acme screw travel length is processed according customers requirements. Maximum permissible 3500mm travel length. 8. Amce screw end fittings include top plate, clevis end, plain end, threaded end and forked head. 9. Individually or multiple screw jack lift system arrangements are available. 10. Equivalent to USA THOMSON JUMBO 3 cubic screw jack, Germany PFAFF MERKUR M6 cubic screw jack and GROB BJ3 cubic screw jack. 11. Application in roller adjustment, feeder straightener rolls adjustment, adjusting synchronous coil feed lines rolls, precision roller leveler, coil sheet slitter line, paint coating line, cut to length line, tension levelling line, continuous galvanizing line, beverage production line, foam concrete cutting machine, sanding machine, heavy vehicles mobile lifting platform, bottle monitoring system height adjustment, conveyor adjustment, plate saw angle adjustment, spray infeed conveyor lift system, theatre stage lifting platform, solar tracker, satellite dish antenna azimuth, raising sluice gate, screw scissor lift table, synchronized lifting system, food processing lifting system, extrusion machine, cnc steel leveling machine, blow molding machine, curing oven lifts, bolted tank, steel shuttering concrete beams adjustment, vintage industrial crank desk, solar panel tracking system, railway maintenance lifting jack, damper adjustment, continuous casting, cnc cut to length machine, robotics arm raising, palletizer, extrusion machine, motorized self-raising tower system, angle tilt adjustments with double clevis, aircraft docking system, open and close flood gates, metallurgy industry, mining industry, chemical industry, construction industry and irrigation industry.

1. JTC Series Cubical Gearbox Screw Jack
Jacton Electromechanical Co.,Ltd | Tel: +86 (0)769 81585852 | Fax: +86 (0)769 81620195
Email: sales@screw-jack.com | Web: www.screw-jack.com | Skype: jactonjack
JTC250 250KN Cubical Gearbox Screw Jack
Descriptions
1. Lifting Force 250kN. Under max. lifting force, drive torque high speed 200.36Nm, low speed 67.32Nm.
2. Acme screw diameter 80 mm, pitch 10 mm.
3. High gear ratio 1/10, low gear ratio 1/40.
4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.
5. Precision positioning, self-locking acme screw which supports the loads and hold position with no need to employ brake
mechanism or other locking systems.
6. Hand-operated screw jack by handle or crank, motorised screw jack by by 3-phase or single phase motor or gear motor.
7. No standard acme screw travel length, all acme screw travel length is processed according customers requirements.
Maximum permissible 3500mm travel length.
8. Amce screw end fittings include top plate, clevis end, plain end, threaded end and forked head.
9. Individually or multiple screw jack lift system arrangements are available.
10. Equivalent to USA THOMSON JUMBO 3 cubic screw jack, Germany PFAFF MERKUR M6 cubic screw jack and GROB
BJ3 cubic screw jack.
11. Application in roller adjustment, feeder straightener rolls adjustment, adjusting synchronous coil feed lines rolls, precision
roller leveler, coil sheet slitter line, paint coating line, cut to length line, tension levelling line, continuous galvanizing line,
beverage production line, foam concrete cutting machine, sanding machine, heavy vehicles mobile lifting platform, bottle
monitoring system height adjustment, conveyor adjustment, plate saw angle adjustment, spray infeed conveyor lift system,
theatre stage lifting platform, solar tracker, satellite dish antenna azimuth, raising sluice gate, screw scissor lift table,
synchronized lifting system, food processing lifting system, extrusion machine, cnc steel leveling machine, blow molding
machine, curing oven lifts, bolted tank, steel shuttering concrete beams adjustment, vintage industrial crank desk, solar panel
tracking system, railway maintenance lifting jack, damper adjustment, continuous casting, cnc cut to length machine, robotics
arm raising, palletizer, extrusion machine, motorized self-raising tower system, angle tilt adjustments with double clevis,
aircraft docking system, open and close flood gates, metallurgy industry, mining industry, chemical industry, construction
industry and irrigation industry.
12. Customers,distributor,agent,retails,branches are distributed throughout the world such as New Zealand, Australia, Spain,
UK, France, Ireland, Belgium, Germany, Netherlands, Switzerland, Austria, Italy, Sweden, Finland, Poland, Denmark, Czech
Republic, Russian Federation, Armenia, Hong Kong, India, Indonesia, Iran, Iraq, Israel, Japan, Korea, Kuwait, Malaysia,
Pakistan, Philippines, Russia, Saudi Arabia, Singapore, SriLanka, Taiwan, Thailand, Turkey, United Arab Emirates, Vietnam,
Yemen, Brazil, Chile, Canada, Mexico, USA, Egypt, Zambia, Mauritius, South Africa.

2. JTC Series Cubical Gearbox Screw Jack
Jacton Electromechanical Co.,Ltd | Tel: +86 (0)769 81585852 | Fax: +86 (0)769 81620195
Email: sales@screw-jack.com | Web: www.screw-jack.com | Skype: jactonjack
Technical Parameter Table
Dimension and Drawing