S-SERIES HIGH PERFORMANCE MACHINE SCREW JACKS
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Basic Information
Screw Jack |
Capacity (kN) |
Lifting Screw |
Weight with stroke of 150mm (kg) |
Weight for each additional 25 mm stroke (kg) |
Drawing 3D / 2D CAD |
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Diameter |
Lead 1 |
Lead 2 |
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ST025 |
25 |
Ø 30 |
6mm |
12mm |
13 |
0.21 |
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ST050 |
50 |
Ø 40 |
9mm |
18mm |
25 |
0.32 |
|
ST100 |
100 |
Ø 55 |
12mm |
24mm |
41 |
0.57 |
|
ST200 |
200 |
Ø 65 |
12mm |
24mm |
70 |
0.86 |
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Performance Information
Gear Ratio - Option 1
Screw Jack |
Worm Gear Ratio |
1 Turn of worm for travel of lifting screw |
Maximum Input Power (kW) |
Start-up Torque at full load (Nm) |
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Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
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ST025 |
6:1 |
1mm |
2mm |
1.5 |
19 |
26 |
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ST050 |
6:1 |
1.5mm |
3mm |
3.0 |
54 |
73 |
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ST100 |
8:1 |
1.5mm |
3mm |
3.75 |
111 |
151 |
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ST200 |
8:1 |
1.5mm |
3mm |
3.75 |
252 |
330 |
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(for keyed and anti-backlash models consult Screw Jack) |
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Gear Ratio - Option 2
Screw Jack |
Worm Gear Ratio |
4Turns of worm for travel of lifting screw |
Maximum Input Power (kW) |
Start-up Torque at full load (Nm) |
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Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
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ST025 |
8:1 |
3mm |
6mm |
1.5 |
15 |
20 |
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ST050 |
8:1 |
4.5mm |
9mm |
3 |
44 |
59 |
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ST100 |
6:1 |
8mm |
16mm |
3.75 |
140 |
190 |
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ST200 |
6:1 |
8mm |
16mm |
3.75 |
317 |
416 |
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(for keyed and anti-backlash models consult Screw Jack) |
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Gear Ratio - Option 3
Screw Jack |
Worm Gear Ratio |
4 Turns of worm for travel of lifting screw |
Maximum Input Power (kW) |
Start-up Torque at full load (Nm) |
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Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
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ST025 |
24:1 |
1mm |
2mm |
0.375 |
8 |
11 |
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ST050 |
24:1 |
1.5mm |
3mm |
0.550 |
24 |
33 |
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ST100 |
24:1 |
2mm |
4mm |
1.125 |
57 |
77 |
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ST200 |
24:1 |
2mm |
4mm |
1.125 |
129 |
168 |
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(for keyed and anti-backlash models consult Screw Jack) |
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Efficiencies
Screw Jack |
Gear Ratio |
Lifting Screw Lead |
Static Input Speed Zero rpm |
Dynamic Input Speed (rpm) |
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50 |
750 |
1000 |
1500 |
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ST025 |
6:1 |
1 |
0.209 |
0.262 |
0.299 |
0.302 |
0.309 |
2 |
0.314 |
0.379 |
0.434 |
0.438 |
0.448 |
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8:1 |
1 |
0.194 |
0.247 |
0.288 |
0.293 |
0.301 |
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2 |
0.293 |
0.358 |
0.418 |
0.424 |
0.436 |
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24:1 |
1 |
0.121 |
0.164 |
0.220 |
0.226 |
0.239 |
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2 |
0.183 |
0.238 |
0.320 |
0.328 |
0.347 |
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ST050 |
6:1 |
1 |
0.222 |
0.281 |
0.324 |
0.329 |
0.337 |
2 |
0.325 |
0.398 |
0.460 |
0.466 |
0.477 |
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8:1 |
1 |
0.206 |
0.264 |
0.312 |
0.318 |
0.328 |
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2 |
0.302 |
0.374 |
0.442 |
0.451 |
0.465 |
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24:1 |
1 |
0.125 |
0.171 |
0.238 |
0.246 |
0.263 |
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2 |
0.184 |
0.242 |
0.337 |
0.349 |
0.372 |
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ST100 |
6:1 |
1 |
0.227 |
0.285 |
0.324 |
0.329 |
0.336 |
2 |
0.336 |
0.407 |
0.462 |
0.469 |
0.479 |
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8:1 |
1 |
0.214 |
0.272 |
0.315 |
0.320 |
0.328 |
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2 |
0.317 |
0.389 |
0.450 |
0.456 |
0.468 |
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24:1 |
1 |
0.140 |
0.188 |
0.252 |
0.260 |
0.274 |
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2 |
0.207 |
0.269 |
0.359 |
0.370 |
0.391 |
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ST200 |
6:1 |
1 |
0.201 |
0.255 |
0.289 |
0.294 |
0.300 |
2 |
0.307 |
0.375 |
0.426 |
0.432 |
0.442 |
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8:1 |
1 |
0.190 |
0.243 |
0.282 |
0.286 |
0.293 |
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2 |
0.290 |
0.358 |
0.415 |
0.421 |
0.431 |
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24:1 |
1 |
0.124 |
0.168 |
0.225 |
0.232 |
0.245 |
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2 |
0.189 |
0.248 |
0.331 |
0.341 |
0.361 |
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Click here for the S-Series Screw Jack Product Code
