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 30x6 (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

0,3 kg

Operating temperature [°C]

-10 °C / 80 °C

Static load (traction or compression)

40 kN

Dynamic load (traction or compression)

25 kN

Maximum input speed

1800 rpm

Main gearbox weight

10 kg

Trapezoidal screw weight

5 kg/m

Anti-rotation torque at maximum load

63 Nm

Maximum admissible static lateral loads

0 N

Center-to-center diameter

50 mm

Maximum radial load on worm

450 N

Standard working conditions

25 °C - servizio 10%

1/5

1/10

1/30

Real ratio

1/4,75

1/9,67

1/30

Translation per worm revolution

1,26 mm

0,62 mm

0,2 mm

Efficiency

30 %

26 %

18 %

Start-up efficiency

21 %

18 %

13 %

Maximum linear speed

2160

1080

360

Torque at maximum load

16 Nm

9,3 Nm

4,4 Nm

Worm screw maximum torque

69 Nm

154 Nm

183 Nm

Idle torque

0,4 Nm

0,3 Nm

0,25 Nm