Drilling machine tool

B - Operations – Transporting – 23 – B

Patent

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77/19

B23B 39/16 (2006.01) B23B 39/20 (2006.01)

Patent

CA 1225261

ABSTRACT OF THE DISCLOSURE The present invention provides a drilling machine tool of the type in which a machine tool body having a frame movable in the three axial directions of a rectangular co-ordinates system including an advancing and retreating direction in reta- lion to a workups which is the X axis of the rectangular co- ordinates system, said movable frame being provided with a working head carrying at least one spindle, the direction of the movable frame being changeable between a condition in which the spindle is in parallel with the X axis and a condition in which the spindle is inclined to the X axis, the movable frame being free lo be given a feed driving along the axial line of the spindle by so controlling operations of driving sources for respective shafts for moving the movable frame in the three axial direct- lions as to accord with the direction of the spindle.

470231

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