Jtm500 machine screw jack, 50ton machine drawing screw jack assembly, 50t worm gear machine screw jack, 500kn metric machine screw jack features: 1. Lifting force 490kN. Under max. lifting force, worm shaft required torque, high ratio 856Nm, low ratio 453.3Nm. 2. Machine screw diameter 120 mm, pitch 16 mm. 3. High worm gear ratio 3/32, low worm gear ratio 1/32. 4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation. 5. Heavy duty, precision positioning, self-locking machine screw, low efficiency, low frequency, low travel speed, low duty cycle. 6. electric machine screw jack by 3-phase or single phase electric motor/gearmotor, manual machine screw jack by handle/crank. 7. Machine screw ends include top plate, clevis end, plain end and threaded end. 8. Individually or multiple machine screw jack lift system arrangements are available. 9. Equivalent to Japan TSUBAKI JWM500 machine screw jack, NIPPON GEAR J6A machine screw jack and MAKISHINKO JA500 machine screw jack. 10. Applications in solar panel tracking system, satellite dish antenna azimuth and elevation, sluice gate lifting mechanism, theatre stage lift system and orchestra pit lifts, screw scissor lift table, railway maintenance lifting jack, coil sheet slitter, drop table synchronized lifting system, spray infeed conveyor lift system, damper adjustment, welding positioning equipment, continuous casting, welding positioner, headbox adjustment, adjust sawmills saw blade, slip form paver, oven conveyor, lifting railway, roller gap adjustment, pu or pir discontinuous for freezing and refrigeration panel, vacuum furnace lid lifter, calendar stack, palletizer, extrusion machine, hydraulic cylinder replacement, blow molding machine and anywhere required raising, lowering, pulling, pushing and rolling linear motions. 11. 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.

1. 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
JTW Series Machine Screw Jack
JTM500 500KN Machine Screw Jack
Descriptions
1. Lifting force 490kN. Under max. lifting force, worm shaft required torque, high ratio 856Nm, low ratio 453.3Nm.
2. Machine screw diameter 120 mm, pitch 16 mm.
3. High worm gear ratio 3/32, low worm gear ratio 1/32.
4. Translating screw, rotating screw, keyed screw configurations in upright or inverted mounting orientation.
5. Heavy duty, precision positioning, self-locking machine screw, low efficiency, low frequency, low travel speed, low duty cycle.
6. electric machine screw jack by 3-phase or single phase electric motor/gearmotor, manual machine screw jack by
handle/crank.
7. Machine screw ends include top plate, clevis end, plain end and threaded end.
8. Individually or multiple machine screw jack lift system arrangements are available.
9. Equivalent to Japan TSUBAKI JWM500 machine screw jack, NIPPON GEAR J6A machine screw jack and MAKISHINKO
JA500 machine screw jack.
10. Applications in solar panel tracking system, satellite dish antenna azimuth and elevation, sluice gate lifting mechanism,
theatre stage lift system and orchestra pit lifts, screw scissor lift table, railway maintenance lifting jack, coil sheet slitter, drop
table synchronized lifting system, spray infeed conveyor lift system, damper adjustment, welding positioning equipment,
continuous casting, welding positioner, headbox adjustment, adjust sawmills saw blade, slip form paver, oven conveyor, lifting
railway, roller gap adjustment, pu or pir discontinuous for freezing and refrigeration panel, vacuum furnace lid lifter, calendar
stack, palletizer, extrusion machine, hydraulic cylinder replacement, blow molding machine and anywhere required raising,
lowering, pulling, pushing and rolling linear motions.
11. 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,

2. 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
JTW Series Machine Screw Jack
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.
Technical Parameter Table
Dimension and Drawing