METHOD OF AND APPARATUS FOR MANUFACTURING CAGE ROTOR OF INDUCTION MOTOR

Title:

METHOD OF AND APPARATUS FOR MANUFACTURING CAGE ROTOR OF INDUCTION MOTOR

Document Type and Number:

WIPO Patent Application WO/1994/017581

Kind Code:

A1

Abstract:

A support member (22) capable of holding a laminated core member having a predetermined axial length with opposite axial end faces of the core member held down is used to hold a small size laminated core member (24) having a smaller axial length and a spacing element (48) having a thickness substantially equal to the difference in axial length between these laminated core members and interposed between one axial end face of the laminated core member (24) and a cap element (32) of a support member (22). Then the laminated core member (24) and the spacing element (48) held by the support member (22) are received in a mold (20) which can form a conductor portion integrally with the laminated core member which is held by the support member (22) and has the predetermined length. With this position kept, molten metal is poured into slots (38) of the laminated core member (24) and annular spaces (44, 46) to solidify for integral forming of a conductor portion on the laminated core member (24).

Inventors:

NAKAMURA KOSEI (JP)
KATSUZAWA YUKIO (JP)
MASUYA MICHI (JP)
NAGAI JUNICHI (JP)

Application Number:

PCT/JP1994/000082

Publication Date:

August 04, 1994

Filing Date:

January 21, 1994

Export Citation:

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Assignee:

FANUC LTD (JP)
NAKAMURA KOSEI (JP)
KATSUZAWA YUKIO (JP)
MASUYA MICHI (JP)
NAGAI JUNICHI (JP)

International Classes:

H02K15/00; H02K17/16; (IPC1-7): H02K17/16

Foreign References:

JPS63124747A	1988-05-28
JPS58224548A	1983-12-26
JPS55127869A	1980-10-03

Other References: