Page 18 - Ketterer – Bevel Gears
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 Bevel gear 3869/3870/3871/3872
Description
Bevel gearboxes for the deflection of a rotary movement. Ideal for use as a transfer gearbox or ancillary gearbox for electric motors, e.g. for blinds or actuators in special mechanical engineering. Special bevel gear toothing ensures smooth running of the gearbox.
The gearbox can be combined with any spindle. The modular structure of the gearbox allows special customer requests to be met even with small numbers of items.
Special features
▪ Maintenance-free
▪ Hardened, bearing seated steel gear cogs
▪ Housing made of zinc die-casting
▪ Ratio 1:1
▪ Up to four inputs are possible
▪ On require hex 6 mm, blind hole or through hole possible
▪ Lifetime 20,000 load changes: bei 10 Nm, 110 U/min,
with the duty cycle 30 s ON 240 s OFF and at + 25 °C
  Technical data
Ratio
Input
Output
Number of bevel gears Max. drive torque Housing material
1:1
hex 7 mm hex 7 mm
3
10 Nm Zinc die-casting
1:1
hex 7 mm hex 7 mm
2
10 Nm Zinc die-casting
1:1
hex 7 mm hex 7 mm
3
10 Nm Zinc die-casting
1:1
hex 7 mm hex 7 mm
4
10 Nm Zinc die-casting
Variant key
one output
3870.00-1000
two opposite outputs
3871.00-1000
two outputs 90°
3869.00-1000
three outputs
3872.00-1000
input
input
input
input
      Model
3869.00-1000
3870.00-1000
3871.00-1000
3872.00-1000
                            18
3869.75-02/20190418
   












































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