B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/36
B23B 41/00 (2006.01)
Patent
CA 1128784
ABSTRACT OF THE DISCLOSURE Particularly compact generating head structure including a housing having an axis of rotation and adapted to be directly secured to a rotating spindle for rotation about the axis of rotation thereof, slides secured to an end face of the housing for movement transversely of the axis of rotation of the housing, an actuating member posi- tioned within the housing for movement axially thereof having external helical cam teeth thereon, an axially fixed cam member positioned between the housing and actuating member for rotation relative thereto having internal helical cam teeth engaged with the helical cam teeth on the actuat- ing member whereby on axial movement of the actuating member relative to the housing the cam member is rotated angularly with respect thereto, and slot and pin mechanisms operable between the slides and cam member for moving the slides transversely of the axis of rotation of the housing on rotation of the cam member, which generating head extends a minimum distance beyond the mounting face of the spindle. One end of the actuating member may extend through the end face of the housing so that a boring tool may be secured to the end of the actuating member whereby simul- taneous boring and facing operations may be accomplished with the generating head. The slides are spring biased in one direction in all positions thereof by means of a helical spring operable between a bolt in the slides and a pin in the housing to compensate for centrifugal force, backlash and generating head wear. Structure is provided for lubrication of the generating head under predetermined pressure with the generating head rotating. Passages are provided in the generating head for passing coolant to a workpiece through the head.
359068
Macrae & Co.
Wawrzyniak Walter W.
LandOfFree
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