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Screw Jacks,Gearboxes,Actuators,Lifting Systems Manufacturers


24.5KN(2.5T) Worm Screw Jacks

24.5KN(2.5T) Worm Screw Jacks Key Features
1. Maximum static load 24.5kN(2.5T).
2. Lifting screw sizes Tr 26x5. Customized stroke length.
3. Translating and Rotating Screw configurations, Anti-rotation (keyed) design option.
4. High ratio 6:1, Low ratio 24:1.
5. The 24.5kN(2.5T) Worm Screw Jacks can be connected together in systems so that multiple units can be operated and controlled together.  
6. Manual operation, Electric driven or both together. 

24.5KN(2.5T) Worm Screw Jacks Drawing Dimensions

Sample Part Number

JTM25 - US - 300 - H - II - C - PP
24.5KN(2.5T) Worm Screw Jacks Specifications
Model JTM25
Max. lifting force (KN) 24.5
Lifting screw sizes Tr (mm) 26x5
Gear ratio (H) 1/6
Lifting screw travel (mm), per turn of input shaft (H) 0.83
Efficiency % (H) 21
Gear ratio (L) 1/24
Lifting screw travel (mm), per turn of input shaft (L) 0.21
Efficiency % (L) 12
Idling torque (N.m) 0.62
1. H: high ratio, L: low ratio
2. Max. allowable power is under the conditions that ambient temperature 20 degree C, duty cycle 20%h and input speed 1500rpm.
3. Efficiency is under grease lubrication.
4. Self-locking under static conditions, without vibration loads.

24.5KN(2.5T) Worm Screw Jacks Design and Configurations
* US: Upright translating screw.
* IS: Inverted translating screw.
UK: Upright keyed screw.
IK: Inverted keyed screw.
UR: Upright rotating screw with travel nut.
IR: Inverted rotating screw with travel nut.
24.5KN(2.5T) Worm Screw Jacks Stroke
Example: 300 mm stroke, lifting screw travels 300 mm, then we will make the lifting screw length=stroke+housing height+screw end length. All lifting screws stroke is made following your requirements. Special lifting screws design, please consult us!!
24.5KN(2.5T) Worm Screw Jacks Gear Ratios
* H: high gear ratio 1/6, lifting screw travels 0.83mm per turn of input shafts.
* L: low gear ratio 1/24, lifting screw travels 0.21mm per turn of input shafts.
Customized speical gear ratios, please consult us!!!
24.5KN(2.5T) Worm Screw Jacks Lifting Screw End Conditions
Standard lifting screw end conditions such as I - top plate, II - clevis end, IV - threaded end, III - plain end. Can make lifting screw ends following your required. Before ordering, please send us your special design drawing of lifting screw ends.
24.5KN(2.5T) Worm Screw Jacks Input Shaft Types and Motor Flange Types
Input Shaft Types
* A: left input shaft.
* B: right input shaft.
* C: double input shaft.

Motor Flange Types
* M1: double input, left input shaft + right motor adapter.
* M2: single input right motor adapter.
* M3: double input, right input shaft + left motor adapter.
* M4: single input left motor adapter.
24.5KN(2.5T) Worm Screw Jacks Accessories
Accessories such as protective tube, bellows boots, 3-phase motor, gear reducer, worm gear reducer, motor flange, hand wheel, bevel gearbox, travel limit switches, flexible coupling, connecting shaft, pillow blocks, flange blocks, screw stop nut, jack travelling nut or lifting nut, rod end bearing, safety nut, swivel plate, and trunnion adaptor etc.