Código: Trapezoidal Screw Jacks Model TP
Marca: 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 |
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]
![](https://www.unimec.eu/images/MAR-PROD/183/max800_183-eulero.jpg)
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
Solicitar uma cotação