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Screw Jacks,Gearboxes,Actuators,Lifting Systems Manufacturers

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JT-Series Acme Screw Jacks

JT-Series Acme Screw Jacks Key Features
1. With 12 sizes, lifting capacities from 0.5 ton, 1 ton, 2 ton, 3 ton, 5 ton, 10 ton, 15 ton, 20 ton, 30 ton, 40 ton, 50 ton, and 100 ton.
2. Translating and Rotating Screw configurations, Anti-rotation (keyed) design option.
3. Three Gear ratios and single screw leads as standard. Customized double screw leads.
4. The acme screw jacks can be connected together in systems so that multiple units can be operated and controlled together. 





JT-Series Acme Screw Jacks Specifications
Model JT-0.5T JT-1T JT-2T JT-3T JT-5T JT-10T JT-15T JT-20T JT-30T JT-40T JT-50T JT-100T
Max. lifting force (ton) 0.5 1 2 3 5 10 15 20 30 40T 50T 100T
Max. pulling force (ton) 0.5 1 2 3 5 10 15 20 30 40T 50T 100T
Lifting screw sizes Tr (mm) 20x5 24x5 26x5 32x6 38x6 46x8 52x8 65x10 75x12 80x12 90x14 100x16
Gear ratio (H) 1/5 1/5 1/5 1/6 1/6 1/8 1/8 1/10 1/12 1/12 1/7 1/8
Lifting screw travel (mm), per turn of input shaft (H) 1 1 1 1 1 1 1 1 1 1 2 2
Efficiency % (H) 23 23 21 21 19 18 19 15 15 14 12 12
Gear ratio (M) 1/10 1/10 1/10 1/12 1/12 1/16 1/16 1/20 1/18 1/18 1/14 1/16
Lifting screw travel (mm), per turn of input shaft (M) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.67 0.67 1 1
Efficiency % (M) 22 22 18 21 18 17 18 15 14 13 12 11
Gear ratio (L) 1/20 1/20 1/20 1/24 1/24 1/32 1/32 1/40 1/36 1/36 1/28 1/32
Lifting screw travel (mm), per turn of input shaft (L) 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.33 0.33 0.5 0.5
Efficiency % (L) 17 17 11 17 17 16 17 15 13 12 10 9
Idling torque (N.m) 0.11 0.29 0.45 0.62 1.4 2 2.6 3.9 9.8 16.5 19.6 39.2
Remarks:
1. H: high ratio, M: medium 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.

Lifting Force Gear Ratio Lifting Screw Diam. Lifting Screw Pitch Download
0.5 ton5:1, 10:1, 20:120 mm5 mmDOWNLOAD
1 ton5:1, 10:1, 20:124 mm5 mmDOWNLOAD
2 ton5:1, 10:1, 20:125 mm5 mmDOWNLOAD
3 ton6:1, 12:1, 24:132 mm6 mmDOWNLOAD
5 ton6:1, 12:1, 24:138 mm6 mmDOWNLOAD
10 ton8:1, 16:1, 32:146 mm8 mmDOWNLOAD
15 ton8:1, 16:1, 32:152 mm8 mmDOWNLOAD
20 ton10:1, 20:1, 40:165 mm10 mmDOWNLOAD
30 ton12:1, 18:1, 36:175 mm12 mmDOWNLOAD