Código: 420 Ratio 1/5
Marca: 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
|
Nut
|
Technopolymer
|
|
Polyarylamide
|
Glass fiber reinforced
|
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
|
2,22 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
|
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