Process of structuring stator of built-in motor

Details Process of structuring stator of built-in motor Process of structuring stator of built-in motor

1992-01-15

1992-12-08

Kisliuk, Bruce M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51323, 310 42, B24B 100

Patent

active

051686627

ABSTRACT:
The stator of a built-in motor must be firmly and accurately mounted on the spindle head housing or the like of a machine tool. A stator core (10), i.e., a principal component of the stator is welded partially at the circumference (14) thereof, and then the circumference of the stator core (10) held by a mandrel is finished to an accurate outside diameter by grinding. The stator core (10) thus constructed is subjected to a deformation with a lapse of time after the mandrel has been removed. To solve this problem, each lamination (12) of the stator core (10) is coated with a thermosetting adhesive, to be thereby joined together, and each lamination (12) is provided with a plurality of pressed projections (22) to be joined together by weld portions (20) on the circumference of the stator core (10), or each lamination (12) is joined together by pressing a serrated bar (26) into a bore (24) thereof, without a pressed projection (22).

REFERENCES:
patent: 3769756 (1973-11-01), Kipple et al.
patent: 4015154 (1977-03-01), Tanaka et al.

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