Patent ID: 6455798
Filing Date: 2002-09-24
Classification: B23Q,Y10T

Abstract:
An index apparatus for an NC machine tool, said NC machine tool including a spindle, a main table and an NC device for making a machining relative movement between said spindle and said main table, said apparatus comprising:a housing mounted on said main table; an index table supported on said housing for rotation; first and second push bars extending into said housing and outwardly of said housing for longitudinal movement, said NC device being arranged to make an extra relative movement between said spindle and said main table other than said machining relative movement, so that any one of said first and second push bars can be pushed and moved longitudinally thereof by said extra relative movement; and transmission means received in said housing and disposed between said first and second push bars and said index table to rotate said index table in one direction in response to the longitudinal movement of said first push bar and in the reverse direction in response to the longitudinal movement of said second push bar.