| 摘要 |
The assembled pump and motor unit (2,1) is placed on a drilling machine table (4). With a power driven drill (5,6) holes are bored in the stator casing of the motor. To catch and remove swarf from the drilling operation falling into the motor windings an extraction unit is provided, Typically it comprises an industrial vacuum cleaner (7), a flexible hose (8), and a suction nozzle (9). After drilling, the space around the motor end windings is filled with casting resin injected through the holes. The application is to pump motor with a tubular barrier in the air gap separating stator from rotor. Pumps of this type are used for circulating water in heating systems.
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