METHOD FOR MANUFACTURING ROTOR FOR HYBRID TYPE STEPPING MOTOR

Title:

METHOD FOR MANUFACTURING ROTOR FOR HYBRID TYPE STEPPING MOTOR

Document Type and Number:

Japanese Patent JP2001057768

Kind Code:

A

Abstract:

To attain a manufacturing method of a rotor for a hybrid type stepping motor, capable of eliminating the need for inspection of all products.

First and second rotor stacks 3, 4 are fixed to a shaft 2, so that when n/m becomes an even number, fit-in embossed parts 6A whose (m) pieces appear on the end surface of the first rotor stack 3 with polar teeth, whose quantity is (n) around the outer periphery part may certainly be displaced from fit-in embossed parts 6B whose (m) pieces appear on the end surface of the rotor stack 4 by 1/2 pitch of [(n/2m)±0.5] pitch in the rotating direction of a shaft 2 or the reverse direction thereof.

Inventors:

MIURA YUKIO
KANEKO MASAYOSHI
SHIMIZU JUN

Application Number:

JP23052099A

Publication Date:

February 27, 2001

Filing Date:

August 17, 1999

Export Citation:

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Assignee:

SANYO ELECTRIC CO

International Classes:

H02K37/04; (IPC1-7): H02K37/04

Attorney, Agent or Firm:

Tsugu Nishiura Haru

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