Unimec Trapezoidal Screw Jacks Size 183 Model TPR Render

Code: Trapezoidal Screw Jacks Size 183 Model TPR

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	C45	EN 10083-2:2006	Carbon steel	Tr 18x3 (ISO 2901:2016) - Rolled or machined
Carter	AlSi12	EN 1706:2010	Aluminium alloy	Completely machined on 6 faces
Lubricant	Total Multis MS2		Calcium based grease	60 g

General features

Operating temperature [°C]	-10 °C / 80 °C
Static load (traction or compression)	10 kN
Dynamic load (traction or compression)	5 kN
Maximum input speed	1800 rpm
Main gearbox weight	1,8 kg
Trapezoidal screw weight	1,6 kg/m
Anti-rotation torque at maximum load	7 Nm
Maximum admissible static lateral loads	0 N
Center-to-center diameter	30 mm
Maximum radial load on worm	100 N
Standard working conditions	25 °C - servizio 10%

Specific features

	Nominal ratios
	1/5	1/20
Real ratio	1/5	1/20
Translation per worm revolution	0,6 mm	0,15 mm
Efficiency	29 %	24 %
Start-up efficiency	20 %	17 %
Maximum linear speed	1080	270
Torque at maximum load	1,7 Nm	0,6 Nm
Worm screw maximum torque	23 Nm	23 Nm
Idle torque	0,1 Nm	0,08 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 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