Unimec TPR 420 Technopolymer Screw Jack

  • Unimec TPR 420 Technopolymer Screw Jack

Unimec TPR 420 Technopolymer Screw Jack

Code: TPR 420
Marke: 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
Nut Technopolymer Polyarylamide Glass fiber reinforced
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 2,22 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]

Unimec Datenblätter

Land Und Sprache Dateinamen Link Herunterladen
United States (English) Unimec-EN_59050.pdf Downloaden
Deutschland (Deutsch) Unimec-DE_13807.pdf Downloaden
Italy (Italiano) Unimec-IT_75906.pdf Downloaden
中国(简体 Unimec-CN_95426.pdf Downloaden

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