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JTD Cubic Ball Screw Jacks

Cubic Ball Screw Jack are an excellent solution for industrial lifting, lowering, pushing and/or pulling applications that require higher efficiency, greater accuracy or faster travel speeds than offered by Worm Gear Screw Jacks. Ball screw jacks suit heavy duty applications with medium to high linear speeds. Combining ball screw with screw jack technology suits cases where you need. Uses high lead ball screws. Compared to standard type ball screw jacks, faster ascending / descending made possible in the same number of input rotations. 

JTD-Series Cubic Ball Screw Jacks
 Key Features
1. With 4 sizes, lifting capacities from 10 kN to 60 kN as Standard
2. Translating and Rotating Screw configurations, Anti-rotation design option.
3. Two Gear ratios and single screw leads as standard. Customized double screw leads.
4. The ball screw jacks can be connected together in systems so that multiple units can be operated and controlled together. 



JTD-Series Cubic Ball Screw Jacks Specifications
Model JTD10 JTD25 JTD50 JTD100
Max. lifting force (KN) 10 20 50 60
Rating Dynamic Load (KN)  10 17 46 53
Ball screw diameter (mm) 20 32 40 50
Ball screw lead (mm) 5 5 10 10
Gear ratio (H) 1:5 1:6 1:7 1:8
Lift screw travel (mm), per turn of input shaft (H) 1 0.83 1.43 1.25
Efficiency % (H) 59 58 59 58
Gear ratio (L) 1:20 1:24 1:28 1:32
Lift screw travel (mm), per turn of input shaft (L) 0.25 0.21 0.36 0.31
Efficiency % (L) 42 39 39 39
Idling torque (N.m) 0.15 0.45 0.95 1.55
Max. Input power (kw) (H) 0.57 1.14 2.2 2.5
Max. Input power (kw) (L) 0.27 0.55 1.1 1.5
Housing Material Ductile Iron
Weight (kg) (zero stroke) 6.5 10 25 40
Weight (kg per 100 mm stroke + protective tube) 0.5 1 2 3
Remarks:
1. H: high ratio, L: low ratio
2. Operating Temperature Range -20~+40 degree C.
3. Efficiency is under grease lubrication.