Unimec TP 420 Technopolymer Screw Jack

Unimec TP 420 Technopolymer Screw Jack

Code: TP 420
Marque: 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)
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

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

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