METHOD AND DEVICE FOR CUTTING GEAR

Title:

METHOD AND DEVICE FOR CUTTING GEAR

Document Type and Number:

Japanese Patent JPS5919630

Kind Code:

A

Abstract:

PURPOSE: To prolong the life of a hob and enhance the productivity by changing the hob feed speed in accordance with the cutting resistance to the work.

CONSTITUTION: A hob 5 and a work 2 are rotated in linkage by a driver device 9. A feed table 6 is moved by a DC feed motor 29, which is equipped with a pulse generator 33 and tacho generator 34. In accordance with signals sensed by the pulse generator, a numerical control device 35 emits a command to enlarge the amount of feed in the initial and final periods, where the cutting resistance used is small, and the DC servo control device 36 will compare the command signal with the signal of actual number of revolutions given by the tacho generator 34.

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Inventors:

IGAWA MASAHARU
ITOU MASASHI
OOSHIMA MIKI

Application Number:

JP12958182A

Publication Date:

February 01, 1984

Filing Date:

July 27, 1982

Export Citation:

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Assignee:

TOYOTA MOTOR CO LTD

International Classes:

B23F5/22; B23F23/00; B23F23/12; (IPC1-7): B23F5/22

Attorney, Agent or Firm:

Tomita Koharu

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