Código: TP 420
Marca: Unimec
Materials
|
Material |
Normative |
Specification |
Indications |
Worm |
16NiCr4 |
EN 10084:2008 |
Casehardening alloy steel |
Casehardened and ground on teeth and holds |
Threaded spindle |
C45 |
EN 10083-2:2006 |
Carbon steel |
Tr 20x4 (ISO 2901:2016) - Rolled or machined |
Carter |
Technopolymer |
|
Polyarylamide |
Made by 2 half-shell |
Worn wheel |
Technopolymer |
|
Polyarylamide |
Glass fiber reinforced |
General features
Operating temperature [°C] |
-20 °C / 50 °C |
Static load (traction or compression) |
12 kN |
Dynamic load (traction or compression) |
7 kN |
Maximum input speed |
1800 rpm |
Main gearbox weight |
1 kg |
Trapezoidal screw weight |
2,2 kg/m |
Anti-rotation torque at maximum load |
17 Nm |
Maximum admissible static lateral loads |
0 N |
Center-to-center diameter |
30 mm |
Maximum radial load on worm |
220 N |
Standard working conditions |
25 °C - servizio 10% |
Specific features
|
Nominal ratios |
|
1/5 |
1/10 |
1/30 |
Real ratio |
1/4,75 |
1/10,5 |
1/30 |
Translation per worm revolution |
0,842 mm |
0,38 mm |
0,13 mm |
Efficiency |
31 % |
28 % |
20 % |
Start-up efficiency |
22 % |
19 % |
14 % |
Maximum linear speed |
1440 |
720 |
240 |
Torque at maximum load |
4,2 Nm |
2,3 Nm |
1,1 Nm |
Worm screw maximum torque |
54 Nm |
54 Nm |
42 Nm |
Idle torque |
0,25 Nm |
0,2 Nm |
0,15 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]
Motor Models
|
IEC |
Worm screw bore diameter |
Centering diameter |
Nominal power (4 poles motor) |
![](https://www.unimec.eu/images/ALEPH-PROD/varie/max150_MTP-630.jpg) |
IEC 63 B5 |
11 mm |
95 mm |
0,25 kW |
Construction forms
Forma B
Forma D
Forma S
Forma MBD
Forma MD
Forma MS
Forma MBS
Solicitar uma cotação