Patent ID: 6099212
Filing Date: 2000-08-08
Classification: B23B,Y10T

Abstract:
A multi-head drilling machine, for use in particular in the drilling of components for shutters, which components comprise at least two pairs of side members of two shutter frames said drilling machine comprising;a machine frame;a support carriage moveable along said frame;a transverse drilling head bar mounted transversely of said carriage, and moveable to and fro along said frame with said carriage;a first pair of component drills mounted on said transverse head bar on one side of said carriage;a second pair of component drills mounted on said transverse head bar on the side of said carriage opposite to said first pair, whereby at least four drills are supported on said transverse head bar, and are moveable in unison along either side of said carriage;clamping means for clamping multiple side frame work pieces on either side of said carriage in registration with respective pairs of said drills;a first drill of each said pair of drills being mounted at a first predetermined position on said transverse head bar, and a second drill of each pair of said drills being mounted at second predetermined position on said transverse head bar whereby said first and second drills of each pair are offset longitudinally with respect to one another longitudinally along the path of movement of said transverse head bar along said carriage;spacers offsetting one of said work pieces of each said pair of work pieces relative to the other of each said pair of work pieces longitudinally, said spacers offsetting said one work piece by a distance equal to the offset distance between said second drills relative to said first drills; and,computer control means for controlling movement of said transverse head bar along said carriage and for controlling operation of said first and second drills, for drilling holes in said at least four work pieces.