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Brown & sharpe high speed spdl attachment grinding spdl
Brown & Sharpe HIGH SPEED Spdl ATTACHMENT GRINDING Spdl
Brown & Sharpe HIGH SPEED SPINDLE ATTACHMENT GRINDING SPINDLE, FOR A 510,612, 618, 818 MICROMASTER
Slots and other surfaces which do not permit
the use of a wheel of large diameter can be
ground with this attachment. The attachment
spindle is mounted on super-precision ball
bearings and is belt-driven from a pulley
mounted on the spindle of the machine.
The attachment body fits onto the machine spindle
sleeve in place of the wheel guard and can be used
in practically any angular position around the
machine spindle. With the attachment spindle in
the lowest position, the maximum vertical distance
between center of the attachment spindle and top
of machine table is 12" with the handwheel on the
upright, this distance is reduced to 10".
To install the attachment, remove the grinding
wheel and wheel guard from the machine and slip
the attachment bracket onto the spindle sleeve.
then, attach the driving pulley and the belt.
next place the guard over the pulley and fasten.
finally bring the attachment spindle to the
desired angular position around the machine
spindle, turn the large knurled shoulder
behind the belt guard to adjust the belt tension,
and clamp both of these adjustments by tightening
the rear hollow-head screw at the top of the
attachment body. Make sure that the other
hollow-head screw is also tight before grinding.
The spindle is grease-packed and requires no
A variety of wheel arbors and grinding wheels
are available at extra cost. The exacting
limits and fine finish demanded of this
equipment require extreme accuracy in the taper
fit between spindle and wheel arbor. Therefore,
we strongly recommend that all wheel arbors be
furnished by the manufacturer to assure the ut-
In changing wheels or arbors,a spring-loaded
plunger in the front of the attachment body
above the spindle can be pushed in to hold
the spindle from rotating. Make sure that the
spindle hole and arbor shank are perfectly
clean before inserting an arbor, and seat the
arbor firmly in the spindle. Keep in mind
that the arbors have a left-hand thread.
Never put a cold arbor in a warm spindle; for
when the arbor expands ( or the spindle cools
and contracts ), the taper fit will be so tight
that removal of the arbor will be difficult.
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