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Screw Jacks,Gearboxes,Actuators,Lifting Systems Manufacturers

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JTC-Series Cubic Screw Jacks

JTC-Series Cubic Screw Jacks Key Features
1. With 12 sizes, lifting capacities from 2.5kN to 500kN as Standard
2. Translating and Rotating Screw configurations, Anti-rotation (keyed) design option.
3. Two Gear ratios and single screw leads as standard. Customized double screw leads.
4. The cubic screw jacks can be connected together in systems so that multiple units can be operated and controlled together. 






JTC-Series Cubic Screw Jacks Specifications
Model JTC2.5 JTC5 JTC10 JTC25 JTC50 JTC100 JTC150 JTC200 JTC250 JTC350 JTC500
Max. lifting force (kN) 2.5 5 10 25 50 100 150 200 250 350 500
Max. pulling force (kN) 2.5 5 10 25 50 100 150 200 250 350 500
Lifting screw sizes (mm) 14x4 18x4 20x4 30x6 40x7 55x9 60x9 70x10 80x10 100x10 120x14
Gear ratio (H) 1/5 1/5 1/5 1/6 1/7 1/9 1/9 1/10 1/10 1/10 1/14
Lifting screw travel (mm), per turn of input shaft (H) 0.8 0.8 0.8 1 1 1 1 1 1 1 1
Efficiency % (H) 34 30 28 27 25 19 19 19 19 15 15
Gear ratio (L) 1/20 1/20 1/20 1/24 1/28 1/36 1/36 1/40 1/40 1/40 1/56
Lifting screw travel (mm), per turn of input shaft (L) 0.2 0.2 0.2 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
Efficiency % (L) 24 23 21 19 18 14 14 14 14 11 11
Idling torque (N.m) 0.06 0.1 0.26 0.36 0.76 1.66 1.9 2.54 2.64 3.24 3.96
Max. permissible power (kw) 0.18 0.3 0.5 1.1 2.2 4.5 6 8 9 11 20
Lubricant (kg) 0.02 0.04 0.1 0.2 0.48 0.9 1.5 1.9 1.9 2.7 3.1
Weight without stroke (kg) 1 3 5 6 18 32 32 57 57 85 160
Weight of screw (kg), per 100 mm stroke 0.15 0.35 0.45 0.7 1.2 2 2.5 3.5 4.2 6.6 10.3
Remarks:
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.

Lifting Force Gear Ratio Lifting Screw Diam. Lifting Screw Pitch Download
2.5 kN5:1, 16:116 mm4 mmDOWNLOAD
5 kN5:1, 16:118 mm4 mmDOWNLOAD
10 kN5:1, 16:120 mm4 mmDOWNLOAD
25 kN6:1, 24:130 mm6 mmDOWNLOAD
50 kN7:1, 28:140 mm7 mmDOWNLOAD
100 kN9:1, 36:155 mm9 mmDOWNLOAD
150 kN9:1, 36:160 mm9 mmDOWNLOAD
200 kN10:1, 40:170 mm10 mmDOWNLOAD
250 kN10:1, 40:180 mm10 mmDOWNLOAD
350 kN10:1, 40:1100 mm10 mmDOWNLOAD
500 kN14:1, 56:1120 mm14 mmDOWNLOAD