TP 7010 Rapp. 1/30 B Screw Jack

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
Threaded spindle	C45	EN 10083-2:2006	Carbon steel	Tr 70x10 (ISO 2901:2016) - Rolled or machined
Carter	GJL 250	EN 1561:2011	Grey cast iron	Completely machined on 6 faces
Lubricant	Unimec Mark CA		Calcium based grease	2 kg

Operating temperature [°C]	-10 °C / 80 °C
Static load (traction or compression)	280 kN
Dynamic load (traction or compression)	200 kN
Maximum input speed	1800 rpm
Main gearbox weight	56 kg
Trapezoidal screw weight	28 kg/m
Anti-rotation torque at maximum load	1100 Nm
Maximum admissible static lateral loads	3 kN
Center-to-center diameter	90 mm
Maximum radial load on worm	900 N
Standard working conditions	25 °C - servizio 10%

	Nominal ratios
	1/5	1/10	1/30
Real ratio	1/5,2	1/9,67	1/30
Translation per worm revolution	1,92 mm	1,03 mm	0,33 mm
Efficiency	23 %	21 %	14 %
Start-up efficiency	15 %	14 %	9 %
Maximum linear speed	3600	1800	600
Torque at maximum load	280 Nm	150 Nm	75 Nm
Worm screw maximum torque	850 Nm	850 Nm	490 Nm
Idle torque	3,5 Nm	2,7 Nm	1,95 Nm