High quality and suitable for many applications, INKOMA screw jack systems are perfect for lifting, lowering, and push or pull movements.
INKOMA C-Series cubic screw jack featuring a compact and versatile cubic housing. High reliability and performance are guaranteed with the same precision worm gear set and lead screw as our HSG-Series, SGT-Series and SHE-Series screw jack.
Cubic Screw Jacks are the most widely used mechanical actuator for intermittent duty cycles as the actuator incorporates a precision worm gear set in a rugged casting delivering positive, precise actuation.
The cubic design offers modern aesthetics and versatile mounting on two faces of the gearbox, while eliminating the need for upright and inverted variants.
Available in a comprehensive range of materials and fittings resulting in multiple configurations to help you meet your specific application requirements.
The screw jacks can be connected together in systems so that multiple units can be operated and controlled together. These jacking system arrangements or configurations can be built in many formats with the use of bevel gearboxes, motors, reduction gearboxes, drive shafts, couplings, plummer blocks and motion control devices.
Two of the most popular system configurations are the ‘H’ and ‘U’ configured jacking systems.
Multiple screw jacks can be linked together mechanically or electrically. The latter is useful if there is no space for linking drive shafts.
If multiple machine screw jacks are connected in a mechanically linked system then the complete system may be considered self-locking. If you would like this checked please consult INKOMA. Alternatively, to be sure, include a brake on the system either as a stand alone device or as a brake motor.
Features:
Cubic Metric Machine Screw Jack type: CMT/CMR/CBT/CBR
Capacities from 2.5kN to 1000kN as Standard
Translating and Rotating Screw configurations
2 Gear ratios and 2 screw leads as standard
Anti-backlash design option
Anti-rotation (keyed) design option
Safety Nut design option
6 mounting options including trunnion
Size (CMT/CMR) | 5 | 10 | 20 | 50 | 80 | 100 | 200 | 300 | 450 | 700 | 1000 | |||||
Max lifting load [kN] | 5 | 10 | 20 | 50 | 80 | 100 | 200 | 300 | 450 | 700 | 1000 | |||||
Screw dia x pitch [mm] | Tr18x 4 | Tr20 x 4 | Tr30 x 6 | Tr40 x 7 | Tr50x8 | Tr60 x 9 | Tr80x 12 | Tr100 x 16 | Tr120 x 16 | Tr140 x 20 | Tr160x20 | |||||
Warm ratio | N | 1:04 | 1:04 | 1:06 | 1:07 | 1:08 | 1:08 | 08:07.5 | 01:10.3 | 01:10.8 | 01:13.3 | 01:13.3 | ||||
L | 1:16 | 1:16 | 1:24 | 1:28 | 1:32 | 1:32 | 1:35 | 1:41 | 1:43 | 1:40 | 1:40 | |||||
Stroke for one input turn [mm] | N | 1 | 1 | 1 | 1 | 1 | 1.125 | 1.371 | 1.56 | 1.49 | 1.5 | 1.5 | ||||
L | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.281 | 0.343 | 0.39 | 0.37 | 0.5 | 0.5 | |||||
Max input power [kW] | N | 0.3 | 0.57 | 1.14 | 2.2 | 2.5 | 3 | 4 | 7 | 11.5 | 18.5 | 22 | ||||
L | 0.15 | 0.27 | 0.55 | 1.1 | 1.5 | 2.2 | 3.5 | 5.5 | 5.5 | 7.5 | 9.5 | |||||
Max starting torpue at full load[Nm] | N | 4.2 | 8 | 18 | 48.5 | 75 | 100 | 265 | 460 | 675 | 1050 | 1620 | ||||
L | 1.5 | 3.1 | 6.7 | 20 | 30 | 41 | 106 | 180 | 275 | 510 | 820 | |||||
Sarting efficiency | N | 0.24 | 0.25 | 0.19 | 0.18 | 0.17 | 0.18 | 0.17 | 0.18 | 0.16 | 0.16 | 0.15 | ||||
L | 0.16 | 0.16 | 0.12 | 0.11 | 0.1 | 0.11 | 0.11 | 0.12 | 0.1 | 0.11 | 0.1 | |||||
Running efficiency at 1500mm | N | 0.34 | 0.35 | 0.33 | 0.32 | 0.31 | 0.33 | 0.33 | 0.33 | 0.3 | 0.31 | 0.29 | ||||
L | 0.25 | 0.25 | 0.24 | 0.23 | 0.22 | 0.23 | 0.22 | 0.23 | 0.2 | 0.21 | 0.19 | |||||
Torque without load[Nm] | N | 0.11 | 0.29 | 0.4 | 0.84 | 1.85 | 2.1 | 2.8 | 3.8 | 5.5 | 8.5 | 11 | ||||
L | 0.09 | 0.18 | 0.29 | 0.59 | 1.12 | 1.4 | 2.1 | 3.1 | 4.5 | 5.5 | 7.5 | |||||
Housing material | Spheroidal graphite iron | Spheroidal graphite iron | cast steel | |||||||||||||
Weight[kg] | 3.2 | 5 | 8.5 | 21.5 | 36 | 58 | 75 | 110 | 200 | 400 | 800 | |||||
Weight per 100mm screw &protective tube[kg] | 0.36 | 0.5 | 0.75 | 1.52 | 2.44 | 3.02 | 4.5 | 6.8 | 9 | 12.5 | 16.5 |
Size (CBT/CBR) | 10 | 20 | 21 | 22 | 50 | 51 | 80 | 81 | 100 | 101 | 200 | 201 | 300 | ||
Max lifting load [kn] | 10 | 20 | 20 | 20 | 50 | 35 | 60 | 60 | 80 | 70 | 90 | 100 | 150 | ||
Rated dynamic load kN | 11 | 17 | 25 | 25 | 46 | 30 | 53 | 56 | 71 | 62 | 78 | 97 | 111 | ||
Screw dia x pitch[mm] | 20 ×5 | 32 ×5 | 32 × 10 | 32 ×20 | 40 × 10 | 40 ×20 | 50 × 10 | 50 ×20 | 63 × 10 | 63 ×20 | 80 × 10 | 80 ×20 | 100 ×20 | ||
Worm ratio | N | 1:4 | 1:6 | 1:6 | 1:6 | 1:7 | 1:7 | 1:8 | 1:8 | 1:8 | 1:8 | 1:8.75 | 1:8.75 | 1:10.25 | |
L | 1:16 | 1:24 | 1:24 | 1:24 | 1:28 | 1:28 | 1:32 | 1:32 | 1:32 | 1:32 | 1:35 | 1:35 | 1:41 | ||
Stroke for one input turn[mm] |
N | 1.25 | 0.83 | 1.67 | 3.34 | 1.43 | 2.86 | 1.25 | 2.5 | 1.25 | 2.5 | 1.14 | 2.28 | 1.95 | |
L | 0.31 | 0.21 | 0.42 | 0.84 | 0.36 | 0.72 | 0.31 | 0.62 | 0.31 | 0.62 | 0.29 | 0.58 | 0.488 | ||
Max input power[kw] | N | 0.57 | 1.14 | 1.14 | 1.14 | 2.2 | 2.2 | 2.5 | 2.5 | 3 | 3 | 4 | 4 | 7 | |
L | 0.27 | 0.55 | 0.55 | 0.55 | 1.1 | 1.1 | 1.5 | 1.5 | 2.2 | 2.2 | 3.5 | 3.5 | 5.5 | ||
Max starting torque at full load[nm] | N | 4.8 | 8.2 | 15.3 | 29.2 | 34.4 | 47.4 | 36.8 | 72.3 | 49.0 | 82.9 | 53.2 | 118 | 157 | |
L | 1.8 | 3.4 | 6.3 | 12.1 | 14.6 | 19.4 | 15.3 | 29.9 | 20.4 | 34 | 23.4 | 52 | 66.7 | ||
Starting efficiency | N | 0.41 | 0.32 | 0.35 | 0.36 | 0.33 | 0.34 | 0.32 | 0.33 | 0.32 | 0.34 | 0.31 | 0.31 | 0.30 | |
L | 0.27 | 0.20 | 0.21 | 0.22 | 0.20 | 0.21 | 0.20 | 0.20 | 0.20 | 0.21 | 0.18 | 0.18 | 0.18 | ||
Running efficiency at 1500rpm |
N | 0.59 | 0.58 | 0.62 | 0.65 | 0.59 | 0.60 | 0.58 | 0.59 | 0.58 | 0.60 | 0.55 | 0.55 | 0.53 | |
L | 0.42 | 0.39 | 0.42 | 0.44 | 0.39 | 0.41 | 0.39 | 0.40 | 0.39 | 0.41 | 0.35 | 0.35 | 0.35 | ||
Housing material | Spheroidal graphite iron | ||||||||||||||
Weight[kg] | 6 | 9.5 | 9.5 | 10 | 23 | 24 | 38 | 40 | 62 | 64 | 78 | 78 | 125 | ||
Weight per 100mm screw & protective tube[kg] |
0.5 | 0.8 | 0.8 | 0.8 | 1.6 | 1.6 | 2.5 | 2.5 | 3.2 | 3.2 | 4.6 | 4.6 | 7.3 | ||
Note:Ambient temperature of SJ screw jack is -20℃ - +40℃(-40℃ - +70℃ are available) |