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50 kN Cubic Ball Screw Jacks

50 kN Cubic Ball Screw Jacks Key Features
1. Maximum static load 50 kN.
2. Ball screw diameter 40mm, lead 10mm. Customized ball screw leads 20mm. Customized ball screw travel length.
3. Translating and Rotating Screw configurations, Anti-rotation (Square nut) design option.
4. High ratio 7:1, Low ratio 28:1.
5. The 50 kN Cubic Ball 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. 
7. 
Without self-locking, brake mechanism and other locking mechanism are necessary for supporting the load.
8. High precision, high duty cycle, high efficiency, high travel speed, long service life, low power required.



50 kN Cubic Ball Screw Jacks Drawing Dimensions

Sample Part Number

JTD50 - US - 300 - H - II - C - PP
50 kN Cubic Ball Screw Jacks Specifications
JTD50 Lifting Force
50KN 35KN 25KN 10KN
n1 Travel Speed 
(mm/s)
H L H L H L H L
RPM H L Nm kW Nm kW Nm kW Nm kW Nm kW Nm kW Nm kW Nm kW
1400 33.4 8.3 19.29 2.83 7.30 1.07 13.5 1.98 5.11 0.75 9.64 1.41 3.65 0.54 3.86 0.57 1.46 0.21
900 21.4 5.4 20.69 1.95 7.49 0.71 14.5 1.36 5.21 0.49 10.4 0.98 3.74 0.35 4.14 0.39 1.50 0.14
700 16.7 4.2 21.47 1.36 7.69 0.56 15.0 1.10 5.38 0.37 10.7 0.79 3.85 0.28 4.30 0.32 1.54 0.11
500 11.9 3.0 22.76 1.19 7.90 0.41 15.9 0.83 5.53 0.29 11.4 0.60 3.95 0.21 4.55 0.24 1.58 0.08
300 7.1 1.8 23.71 0.74 8.62 0.27 16.6 0.52 6.04 0.19 11.9 0.37 4.31 0.14 4.74 0.15 1.72 0.05
100 2.4 0.6 25.29 0.26 9.48 0.10 17.7 0.19 6.64 0.07 12.6 0.13 4.74 0.05 5.06 0.05 1.90 0.02
50 1.2 0.3 26.47 0.14 10.2 0.05 18.5 0.10 7.11 0.04 13.2 0.07 5.08 0.03 5.29 0.03 2.03 0.01

50 kN Cubic Ball Screw Jacks Design and Configurations
* US: Upright translating ball screws.
* IS: Inverted translating ball screws.
UK: Upright anti-rotation ball screws.
IK: Inverted anti-rotation ball screws.
UR: Upright rotating ball screws with ball nuts.
IR: Inverted rotating ball screws with ball nuts.

50 kN Cubic Ball Screw Jacks Stroke
All lifting ball screws stroke is made following your requirements. Special lifting ball screws design, please consult us!!

50 kN Cubic Ball Screw Jacks Gear Ratios
* H: high gear ratio 1:7, lifting screw travels 1.43mm per turn of input shafts.
* L: low gear ratio 1:28, lifting screw travels 0.36mm per turn of input shafts.

Customized speical gear ratios, please consult us!!!
50 kN Cubic Ball Screw Jacks Lifting Screw End Conditions
Standard lifting screw end conditions such as top plate, clevis end, threaded end, plain end. Can make lifting screw ends following your required. Before ordering, please send us your special design drawing of lifting screw ends.

50 kN Cubic Ball Screw Jacks Input Shaft Types and Motor Flange Types

Input Shaft Types
* A: single input, left shaft.
* B: single input, right shaft.
* C: double input shafts.

Motor Flange Types
* M1: double input, left shaft, right motor adapter.
* M2: single input, right motor adapter.
* M3: double input, right shaft, left motor adapter.
* M4: single input, left motor adapter.
50 kN Cubic Ball 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.