Code: Trapezoidal Screw Jacks Size 183 Model TPR
Brand: Unimec
Materials
| |
Material |
Normative |
Specification |
Indications |
| Worm |
16NiCr4 |
EN 10084:2008 |
Casehardening alloy steel |
Casehardened and ground on teeth and holds |
| Worn wheel |
CuAl10Fe2-GM |
EN 1982:2008 |
Alluminium bronze |
Chill molded |
| Nut |
CuAl10Fe2-GM |
EN 1982:2008 |
Alluminium bronze |
Chill molded |
| Threaded spindle |
C45 |
EN 10083-2:2006 |
Carbon steel |
Tr 18x3 (ISO 2901:2016) - Rolled or machined |
| Carter |
AlSi12 |
EN 1706:2010 |
Aluminium alloy |
Completely machined on 6 faces |
| Lubricant |
Total Multis MS2 |
|
Calcium based grease |
60 g |
General features
| Operating temperature [°C] |
-10 °C / 80 °C |
| Static load (traction or compression) |
10 kN |
| Dynamic load (traction or compression) |
5 kN |
| Maximum input speed |
1800 rpm |
| Main gearbox weight |
1,8 kg |
| Trapezoidal screw weight |
1,6 kg/m |
| Anti-rotation torque at maximum load |
7 Nm |
| Maximum admissible static lateral loads |
0 N |
| Center-to-center diameter |
30 mm |
| Maximum radial load on worm |
100 N |
| Standard working conditions |
25 °C - servizio 10% |
Specific features
| |
Nominal ratios |
| |
1/5 |
1/20 |
| Real ratio |
1/5 |
1/20 |
| Translation per worm revolution |
0,6 mm |
0,15 mm |
| Efficiency |
29 % |
24 % |
| Start-up efficiency |
20 % |
17 % |
| Maximum linear speed |
1080 |
270 |
| Torque at maximum load |
1,7 Nm |
0,6 Nm |
| Worm screw maximum torque |
23 Nm |
23 Nm |
| Idle torque |
0,1 Nm |
0,08 Nm |
Euler's law (safety factor =2; dynamic compression load)
Limit Load 1 (red) - 2 (blue) - 3 (green)
C = Load [kN]
L = Overall trapezoidal screw length [mm]
Power curves
The magenta zone indicates a potential heating risk. Working cycles must be carefully analized.
VR = Worm rotational speed [rpm]
VL = Spindle translation speed [mm/min]
P = Requested input power [kW]
Construction forms
United Kingdom (English)
United States (English)
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Italy (Italiano)
中国（简体
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