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GUIDELINE
With this guide, you can determine the ideal torque in Newton meters (Nm) for the shutter motor.
DETERMINE WEIGHT ROLLER SHUTTER
1.) Determine roller shutter area
(Height + 150 mm) x Width = Roller shutter area (m²)
2.) Determine weight roller shutter material
Take approximate weights per m² of roller shutter area
from the table.
3.) Determine weight roller shutter
Roller shutter area (m²) x weight roller shutter material (m²)
4.) Calculate required traction force
Friction losses must be taken into account
(rail guidance) of approx. 10%!
Roller shutter area (m²) x Weight roller shutter material (m²) = Weight roller shutter (kg) + 10% Friction losses = Required traction force (kg)
Example:
PVC-Roller shutter area 3,00 m² x Weight roller shutter material 5 kg = 15 kg Weight roller shutter + 10% Friction losses = 16,5 kg Required traction force
DETERMINE SHUTTER MOTOR TORQUE
Traction force (kg)
0
10
5
15
40
50
60
70
80
90
100
Torque (Nm):
PVC
Aluminum Light
Aluminum Heavy
Steel
Wood
20
30
40
25
35
10 Nm
13 Nm
Material
kg / m²
5
6
9
11
11
50
60
45
55
20 Nm
Bottom edge
Roller shutter box
Height
Window sill
70
80
65
75
85
30 Nm
40 Nm
3T-MOTORS Radio tubular motors | Guideline
Width
90
100
95
50 Nm
3
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