Unimec TPR 12014 Trapezoidal Screw Jack Render
Unimec TPR 12014 Trapezoidal Screw Jack Render
Code: TPR 12014
Marque: Unimec
Materials
| Material | Normative | Specification | Indications | |
|---|---|---|---|---|
| Worm | 16NiCr4 | EN 10084:2008 | Casehardening alloy steel | Casehardened and ground on teeth and holds |
| Worn wheel | CuAl10Fe2-GZ | EN 1982:2008 | Alluminium bronze | Centrifuged |
| Nut | CuAl10Fe2-GZ | EN 1982:2008 | Alluminium bronze | Centrifuged |
| Threaded spindle | C45 | EN 10083-2:2006 | Carbon steel | Tr 120x14 (ISO 2901:2016) - Rolled or machined |
| Carter | S235 J0 | EN 10025-2:2005 | Welded carbon steel | Completely machined on 6 faces |
| Lubricant | Unimec Mark CA | Calcium based grease | 3,7 kg |
General features
| Operating temperature [°C] | -10 °C / 80 °C |
|---|---|
| Static load (traction or compression) | 850 kN |
| Dynamic load (traction or compression) | 600 kN |
| Maximum input speed | 1800 rpm |
| Main gearbox weight | 180 kg |
| Trapezoidal screw weight | 81 kg/m |
| Anti-rotation torque at maximum load | 5430 Nm |
| Maximum admissible static lateral loads | 10 kN |
| Center-to-center diameter | 140 mm |
| Maximum radial load on worm | 2,5 kN |
| Standard working conditions | 25 °C - servizio 10% |
Specific features
| Nominal ratios | ||
|---|---|---|
| 1/10 | 1/30 | |
| Real ratio | 1/10,33 | 1/30 |
| Translation per worm revolution | 1,355 mm | 0,47 mm |
| Efficiency | 17 % | 11 % |
| Start-up efficiency | 11 % | 7 % |
| Maximum linear speed | 1050 | 700 |
| Torque at maximum load | 800 Nm | 400 Nm |
| Worm screw maximum torque | 5200 Nm | 4400 Nm |
| Idle torque | 3,95 Nm | 3 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
Forma S
Forma B
Forma D
Unimec Fiches techniques
| Pays et langue | Nom du fichier | Lien de téléchargement |
 United States (English) |
Unimec-EN_59050.pdf | Télécharger |
 Deutschland (Deutsch) |
Unimec-DE_13807.pdf | Télécharger |
 Italy (Italiano) |
Unimec-IT_75906.pdf | Télécharger |
 中国（简体 |
Unimec-CN_95426.pdf | Télécharger |
Demande de devis