Jt 50 t screw jack instruction manual,50 ton keyed screw jack,500kn screw jack load calculation, 50 tonnes screw jack load capacity,50000kg screw jack mechanism,100000lbs jack screw acme nut static lifting force 50000 kg, dynamic lifting force 11000 kg. lifting screw (spindle) Tr90x14. high speed gear ratio 1/7, medium speed gear ratio 1/14, low speed gear ratio 1/28. upright or inverted translating screw, rotating screw and keyed screw configurations. precision positioning, self locking lead screw which support the loads and hold position without brake mechamism. single phase or three phases electric motor driven, gear motor driven or dc 24v gear reduction motor drives. thread end, clevis end, plain end and top plate (flange type) for lead screw (spindle) end types. customized various length stroke, when maximum compression load, 850 mm stroke without guidances, 1700 mm stroke with guidances. when tension load, 4000 mm stroke. single screw jack or multiple screw jacks system arrangements.

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
JT Series Screw Jack
JT-50T Screw Jack Descriptions
JT-50T screw jack static lifting force 50000 kg, dynamic lifting force 11000 kg. lifting screw (spindle)
Tr90x14. high speed gear ratio 1/7, medium speed gear ratio 1/14, low speed gear ratio 1/28. upright or
inverted translating screw, rotating screw and keyed screw configurations. precision positioning, self
locking lead screw which support the loads and hold position without brake mechamism. single phase or
three phases electric motor driven, gear motor driven or dc 24v gear reduction motor drives. thread end,
clevis end, plain end and top plate (flange type) for lead screw (spindle) end types. customized various

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
JT Series Screw Jack
length stroke, when maximum compression load, 850 mm stroke without guidances, 1700 mm stroke
with guidances. when tension load, 4000 mm stroke. single screw jack or multiple screw jacks system
arrangements.
JT-50T Screw Jack Technical Datasheet
JT-50T Screw Jack Dimensions & Drawings

3. 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
JT Series Screw Jack
JT-50T Screw Jack Application
JT-50T screw jack is used in steel, pipe, tube, roll forming, plate mills, rolling mills rollers adjustment,
powered feeder straightener rolls adjustment, coil handing, semi-finished product handling, brush
adjustment belt cleaning, zinc pot lifting mechanism, air knife system adjustment, roll pass system, sizing
stand, molten steel pot lifting system, louver damper, open and close flood gates, sluice gate, lifting rail
cars, panel laminating machine, precast segmental bridge section, palette maker machine, tensioning,
carpet shearing, power station operation, waste recycling, metal processing, cnc cut to length machine,
feeder leveler, multi storied car parking, aluminium composite panel production time, robotics arm raising,
food processing oven cooking system, bradbury stacker, vacuum furnace lid lifter, calendar stack,
palletizer, extrusion machine, hydraulic cylinder replacement, blow molding machine, motorized
self-raising tower system, angle tilt adjustments with double clevis, cnc steel shearing machine, aircraft
maintenance platform, tundish car, test rigs, clamping mechanism, conveyor tracking, airbridges, lifting
stretchers, solar positioning system, pallet lifting, laddle turning mechanism, railway carriage lift,
construction paint system, aircraft docking system, material handling, positioning conveyer belt, auto
manufacturing, paper production, carpet shearing, power station operation, waste recycling, metal
processing, glass packaging, foam production and metallurgy industry, mining industry, chemical industry,
construction industry, irrigation industry.

4. 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
JT Series Screw Jack
JT-50T Screw Jack Selection Guide
(1). Lifting Screw Configuration & Mounting Orienation?
1. US: upright mounting, translating screw
2. IS: inverted mounting, translating screw
3. UR: upright mounting, rotating screw
4. IR: inverted mounting, rotating screw
5. UK: upright mounting, keyed screw
6. IK: inverted mounting, keyed screw
(2). Screw Jack Load Capacity?
1. Working Load (Dynamic Load) _____ Kg Each Jack? Tension Load, Compression Load or Both?
2. Static Load _____ Kg Each Jack? Tension Load, Compression Load or Both?
(3). Load Guidance?
1. Full Guided
2. Unguided
(4). Side Load?
1. No
2. Yes, _____ Kg
(5). Travel Stroke?
1. _____ mm
(6). Input Driven Types?
1. Hand Wheel / Hand Crank Operation
Expected Travel _____ MM Per Full Turn Of Hand Wheel / Hand Crank
Minimum Travel _____ MM Per Full Turn Of Hand Wheel / Hand Crank
2. Electric Motor / Gear Motor Driven
Expected Travel Speed _____ MM/MIN
Minimum Travel Speed _____ MM/MIN
Maximum Travel Speed _____ MM/MIN
(7). Lifting Screw Top End Types?
1. Top Plate 2. Clevis End 3. Threads End 4. Plain End 5. Forked Head
Above is ours standard Screw Ends With Dimensions, Customized Above Dimensions, or Made Them
Following Your own Design Drawing Of Screw Top Ends.
(8). Input Shaft Type?
1. A: Single Input, Left Side Shaft
2. B: Single Input, Right Side Shaft
3. C: Double Input, Right Side Shaft & Left Side Shaft
4. M1: Single Input, Left Side Motor Flange Adapter

5. 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
JT Series Screw Jack
5. M2: Single Input, Right Side Motor Flange Adapter
6. M3: Double Input, Left Side Motor Flange Adapter & Right Side Shaft
7. M4: Double Input, Right Side Motor Flange Adapter & Left Side Shaft
Note: Above Right Side, Left Side are based on face the name plate.
(9). Lifting Frequency?
Lifting Up & Down _____ Times Per Day
Lifting Up & Down _____ Times Per Month
Lifting Up & Down _____ Times Per Year
(10). Ambient Temperature?
Normal Working Condition _____ ℃
Minimum Working Temperature _____ ℃
Maximum Working Temperature _____ ℃
(11). Working Conditions?
1. Indoor 2. Outdoor 3. Dusty 4. Humid
5. Seashore 6. Offshore 7. Vibration 8. Dry
(12). Screw Jack Accessories?
N: no accessory PP: protective pipe BB: bellows boot BG: bevel gearbox
HW: hand wheel EM: electric motor GR: gear reducer LS: limit switches
SN: stop nut DC: digital counter SP: swivel plate
SM: swivel mounting base PB: pillow block bearing
FC: flexible coupling CS: connecting shaft
Note:
When Selecting Electric Motor / Gear Reducer
1. Single Phase, _____ Pole, _____ VAC, _____ Hz
2. Three Phase, _____ Pole, _____ VAC, _____ Hz
3. DC, _____ V
When Selecting Bevel Gearbox
1. Gear Ratio _____
2. Input Revolutions _____ RPM
3. Input Power _____ KW
4. Required Torque _____ N.m
If Bevel Gearbox Is Used With Screw Jack, As Lift Table, Don't Need Above Techanical Datas, Our
Engineers Will Calculate Them, Selecting Corresponding Bevel Gearbox Model.