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Produced in many different models |
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Sizes from 0.5 to 150 Ton. |
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Trapezoidal Work Screw thread. |
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Positive mechanical actuation. |
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Precise positioning. |
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Uniform speed |
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Available with the Antibacklash device. |
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Trapezoidal Screw Jacks having high gear ratios and standard design are generally self-locking and will hold
loads without backdriving in the absence of vibrations. |
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1. Work Screw
2. Worm Screw
3. Worm Gear
4. Housing
5. Flange
6. Protection
7. Mechanical Stop
8. Thrust bearing
9. Load bearing |
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S |
Fmax
[daN] |
Dxp
[mm] |
Tmaxamm
[daNm] |
Tmax
[daNm] |
r
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ηs
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ηd
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0.5 |
450 |
16x3 |
1,9 |
0.2 |
5:1 |
0,20 |
0,29 |
0.1 |
20:1 |
0,10 |
0,17 |
01 |
900 |
20x5 |
3,5 |
0.6 |
5:1 |
0,23 |
0,34 |
0.3 |
20:1 |
0,12 |
0,20 |
2,5 |
2250 |
30x6 |
10,2 |
1.8 |
6:1 |
0,20 |
0,30 |
0.8 |
24:1 |
0,11 |
0,18 |
05 |
4500 |
40x9 |
14,2 |
4.9 |
6:1 |
0,22 |
0,32 |
2.2 |
24:1 |
0,12 |
0,20 |
10 |
9000 |
50x12 |
28,3 |
9.8 |
8:1 |
0,22 |
0,32 |
5.1 |
24:1 |
0,14 |
0,23 |
15 |
13500 |
57x12 |
36,5 |
16.1 |
8:1 |
0,20 |
0,30 |
8.3 |
24:1 |
0,13 |
0,21 |
20 |
18000 |
65x12 |
52,6 |
23.9 |
8:1 |
0,18 |
0,27 |
11.9 |
24:1 |
0,12 |
0,19 |
30 |
27000 |
95x16 |
105,0 |
40.3 |
32:3 |
0,16 |
0,25 |
19.5 |
32:1 |
0,11 |
0,18 |
50 |
45000 |
114x16 |
123,9 |
76.8 |
32:3 |
0,14 |
0,22 |
39.8 |
32:1 |
0,09 |
0,16 |
100 |
90000 |
152x19 |
177,3 |
174.5 |
12:1 |
0,13 |
0,20 |
108.0 |
36:1 |
0,07 |
0,13 |
150 |
135000 |
178x25 |
305,2 |
298.6 |
12:1 |
0,15 |
0,23 |
165.9 |
36:1 |
0,09 |
0,16 |
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S = Screw Jack size
Fmax = maximum load capacity
Tmaxamm = maximum allowable input torque to single Screw Jack
Tmax = input torque to single Screw Jack at maximum load
D x p = Work Screw diameter and pitch
r = Screw Jack ratio
ηs = static efficiency
ηd = dynamic efficiency |
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