Unimec TP 420 - Tp 420 Technopolymer Screw Jack

Unimec

Ürün Kodu: TP 420
Marka: Unimec

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Unimec TP 420 - Tp 420 Technopolymer Screw Jack için Açıklama:

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]