Process for producing an electric arbor integrated with an induc

Details Process for producing an electric arbor integrated with an induc Process for producing an electric arbor integrated with an induc

1987-07-29

1989-01-10

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

310 42, 310211, H02K 1502

Patent

active

047963530

ABSTRACT:
An electric arbor integrated (FIG. 1) with an induction motor (2), for frequencies up to and beyond 3000 Hz, is made up of a sleeve (3), having two coaxial tubular parts (3' and 3") finished at the same time, assuring the identical distance (3"') achieving extreme precision of the arbor (1). The arbor shaft (23), supported by bearings (6, 6' and 6") is inserted into the sleeve (3). To the back end of the sleeve (3) is fastened the motor (2), whose stator core stack (4) is made with thin laminations (FIG. 6) and into said stator (4) is introduced insulating resin charged with substances improving the thermal conductivity. The rotor (5), mounted cantilevered on the arbor shaft (23), is made of thin conductive laminations, fastened by the damping resin, which, melted on the ends, forms the short-circuit rings contained by the rings.

REFERENCES:
patent: 3902087 (1975-08-01), Hakamada et al.

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