E-SERIES METRIC BALL SCREW JACKS
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Basic Information
Model |
Capacity (kN) |
Lifting Screw |
Weight with stroke of 150mm (kg) |
Weight for each additional 25 mm stroke (kg) |
Drawing (DWG, DXF or PDF) |
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Diameter |
Lead 1 |
Lead 2 |
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E28501 |
10 |
20 mm |
5 mm |
- |
2.8 |
0.08 |
|
E2802 |
25 |
25 mm |
5 mm |
10 mm |
8.17 |
0.21 |
|
E2805 |
50 |
40 mm |
10 mm |
20 mm |
15.88 |
0.32 |
|
E2810 |
100 |
50 mm |
10 mm |
20 mm |
24.72 |
0.57 |
|
E2820 |
200 |
63 mm |
10 mm |
20 mm |
45 |
0.86 |
|
E2830 |
300 |
80 mm |
20mm |
- |
86 |
1.58 |
|
E2860 |
500 |
Available on request |
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Performance Information
Gear Ratio - Option 1
Model |
Worm Gear Ratio |
Turns of worm for 10mm travel |
Max Input Power (kW) |
Start-up Torque at full load (Nm) |
Static Efficiency |
Dynamic Efficiency |
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Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
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E28501 |
5:1 |
10 |
- |
0.375 |
2.7 |
- |
0.603 |
- |
0.681 |
- |
E2802 |
6:1 |
12 |
6 |
1.5 |
5.9 |
11.1 |
0.565 |
0.600 |
0.662 |
0.692 |
E2805 |
6:1 |
6 |
3 |
3 |
23.4 |
44.6 |
0.567 |
0.595 |
0.663 |
0.687 |
E2810 |
8:1 |
8 |
4 |
3.75 |
36.4 |
68.5 |
0.546 |
0.581 |
0.645 |
0.674 |
E2820 |
8:1 |
8 |
4 |
3.75 |
75.2 |
139.4 |
0.529 |
0.571 |
0.631 |
0.665 |
E2830 |
10 2/ 3:1 |
5.33 |
- |
6 |
182 |
- |
0.492 |
- |
0.595 |
- |
E2860 |
Available on request |
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| (for keyed and anti-backlash models consult Screw Jack) |
Gear Ratio - Option 2
Model |
Worm Gear Ratio |
Turns of worm for 10mm travel |
Max Input |
Start-up Torque at full load (Nm) |
Static Efficiency |
Dynamic Efficiency |
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Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
Lead 1 |
Lead 2 |
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E28501 |
20:1 |
40 |
- |
0.18 |
1.2 |
- |
0.341 |
- |
0.429 |
- |
E2802 |
24:1 |
48 |
24 |
0.375 |
2.6 |
4.9 |
0.320 |
0.340 |
0.419 |
0.438 |
E2805 |
24:1 |
24 |
12 |
0.55 |
10.7 |
20.4 |
0.310 |
0.325 |
0.407 |
0.422 |
E2810 |
24:1 |
24 |
12 |
1.125 |
19.1 |
35.8 |
0.348 |
0.370 |
0.450 |
0.470 |
E2820 |
24:1 |
24 |
12 |
1.125 |
39.4 |
72.9 |
0.337 |
0.364 |
0.440 |
0.465 |
E2830 |
32:1 |
16 |
- |
1.9 |
107.3 |
- |
0.278 |
- |
0.371 |
- |
E2860 |
Available on request |
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(for keyed and anti-backlash models consult Screw Jack) |
Model Numbers
Prefix |
Model Type |
Series |
Model |
Stroke (mm) |
Suffix |
For Future Use |
Translating Screw Jacks C = Clevis End Rotating Screw Jacks |
E |
Translating Screw Jacks Upright = As Above e.g. 2805 Inverted = Decrease model number 1, e.g. 2804 Rotating Screw Jacks Lead 1 = standard Lead 2 = add 1 to end of model number, e.g. 28051 |
XXXX |
1 = Option 2 Gear Ratio B = Bellows Boot G = Second Guide L = Left Hand Worm Shaft Only R = Right Hand Worm Shaft Only X = No Bottom Pipe, Guide Bush Instead |
