Unimec XTPR 306 Stainless Steel Trapezoidal Screw Jack
Unimec XTPR 306 Stainless Steel Trapezoidal Screw Jack
Code: XTPR 306
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 | X5 CrNiMo 17-12-2 (AISI 316) | EN 10088-1:2014 | Stainless steel | Tr 30x6 (ISO 2901:2016) cutting |
| Carter | X5 CrNiMo 17-12-2 (AISI 316) | EN 10088-1:2014 | Stainless steel | Completely machined on 6 faces |
| Lubricant | Unimec Mark CA | Calcium based grease | 0,3 kg |
General features
| Operating temperature [°C] | -10 °C / 80 °C |
|---|---|
| Static load (traction or compression) | 40 kN |
| Dynamic load (traction or compression) | 25 kN |
| Maximum input speed | 1800 rpm |
| Main gearbox weight | 10 kg |
| Trapezoidal screw weight | 5 kg/m |
| Anti-rotation torque at maximum load | 63 Nm |
| Maximum admissible static lateral loads | 0 N |
| Center-to-center diameter | 50 mm |
| Maximum radial load on worm | 450 N |
| Standard working conditions | 25 °C - servizio 10% |
Specific features
| Nominal ratios | |||
|---|---|---|---|
| 1/5 | 1/10 | 1/30 | |
| Real ratio | 1/4,75 | 1/9,67 | 1/30 |
| Translation per worm revolution | 1,26 mm | 0,62 mm | 0,2 mm |
| Efficiency | 30 % | 26 % | 18 % |
| Start-up efficiency | 21 % | 18 % | 13 % |
| Maximum linear speed | 2160 | 1080 | 360 |
| Torque at maximum load | 16 Nm | 9,3 Nm | 4,4 Nm |
| Worm screw maximum torque | 69 Nm | 154 Nm | 183 Nm |
| Idle torque | 0,4 Nm | 0,3 Nm | 0,25 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]
Unimec Datasheets
| Country & Language | File Name | Download Link |
 United States (English) |
Unimec-EN_59050.pdf | Download |
 Deutschland (Deutsch) |
Unimec-DE_13807.pdf | Download |
 Italy (Italiano) |
Unimec-IT_75906.pdf | Download |
 中国（简体 |
Unimec-CN_95426.pdf | Download |
Request a Quote