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THE SEWING-MACHINE MOTOR - TYPE 106
The Paulides Electro sewing-machine motor is a two pole commutator machine (universal machine 220VAC), wherefrom the armature winding and field coils are chosen such that the motor output power (0.3hp at 2500rpm and 2.6A) coincides with the necessary energy for the propulsion of the then available household machines.
As a speed control of these machine a carbon resistance was selected, since this had proven to ensure the most reliable and maintenance free operation.
The principle is that due to the change in “pressure on the carbonplates” the resistance of in- or decreased, which made the machine faster or slower, respectively. The extra external friction brake also enabled fast braking of the machine, which positively influenced the productivity.



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