Cooper Tools Quackenbush 158QGDAV Operations Instructions Page 69

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69
Drill Lock Bushing Foot
The versatile Q-Matic 120SC Drill is available with a
foot which accepts standard 21000 and 22000 series
lock-type drill bushings. This foot design increases the
versatility of the Q-Matic Drill so that it may be locked
onto the rigid tooling plate using various drill bushing
tips and their accessories.
Drill Jig Collet Foot
The 120SC Q-Matic Drill is available with a jig
collet foot, either with or without a depth sensing
sleeve, for use with rigid tooling plates which have
STRAIGHT or BACK TAPERED locating holes. This
attachment, with a built-in sensing sleeve, will sense
variations up to .125” in the distance between the
work surface and the top of the tooling plate, which
allows production drilling of holes with countersink to
precise limits. A port has been provided in the foot to
deliver coolant to the drill point.
INFORMATION REQUIRED TO ORDER
JIG COLLET FOOT TOOLS:
(1) Specify tooling plate hole size—diameter A or B—
in order to determine collet size (see standard collet size chart).
(2) When ordering depth sensing models, specify
stand-off distance. (Top of tooling plate to work surface)
(3) When ordering for straight hole tooling plates,
specify tooling plate thickness.
STANDARD COLLET SIZES
Straight Tapered
Hole Hole
A dia. .B dia.
Depth Sensing 1.000 .796
.875 .670
Non-Depth Sensing 1.000 .796
.875 .670
.750 .640
.625 .500
Special collets available upon request.
120SC Q-MATIC SELF-COLLETING DRILL
WITH NON-DEPTH SENSING JIG COLLET
FOOT AND THROUGH SPINDLE COOLANT
Self Colleting Machines
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