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The ABRASIVE No. IG has been developed recently to
handle the large volume of manufacture requiring a
highly accurate, easily handled, internal grinder. Typical
of such work is the huge quantity of die work, particularly
those used in bullet and cartridge manufacture.
This machine will grind holes up to 12" diameter,
a longitudinal
Cross Feed is provided with hand wheel graduated .001".
Longitudinal Feed has graduated hand wheel .001" and
positive stop with micrometer adjustment. These close
travel of
8", and spindle cross feed of 3%".
has
graduations PLUS the rapid acting draw-in collet, and
the quick operating hand feed, make the No. 1G an
extremely handy and accurate tool. It can be used also
for
external or cylindrical grinding within its capacity.
This Grinder is
supervision as the ABRASIVE Surface Grinders which have
been known for years for their accuracy.
Study
the specifications
side of this sheet—then write for any further information,
including price and delivery. Address
manufactured
and
under the same careful
illustration on the other
—
ABRASIVE MACHINE TOOL
CO,
EAST PROVIDENCE, R. I.
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BRASIVE INTERNAL GRINDER
SPECIFICATIONS
—
CAPACITY
1. Holes
2. Longitudinal travel of wheel slide is 8", and platen
3. Cross feed of 3y2" is provided and platen is adjust
OPERATION
4. All feeds are hand operated.
5. Work Spindle mounted on precision ball bearings
6. Work Spindle graduated and swivels to enable
7. Work Spindle has four speeds as
8. Draw-in collet has quick release attachment.
9. Truing Device can be swung away from grinding
10. DUMORE y
11. Crossfeed with handwheel graduated .001. Longi
from
'A" to 12" diameter can be ground.
on the slide is adjustable.
able for an additional 3y2".
(grease lubricated).
grinding tapers up to 90° included angle.
follows:
282, and 540 RPM. Work Spindle motor is }
wheel when not in use.
2 h.p. motor driven precision wheel
spindle having a range of 6 speeds, 4600, 6500,
8600, 14600, 32500 and 42500 RPM, to take
of grinding wheels Va" up to 5" diameter.
care
Full load speed of motor is 10,000 RPM.
tudinal feed has graduated handwheel .001 and
positive stop micrometer adjustment.
76, 145,
A h.p.
SIZE
12. Space Required-
Actual,
for
each machine, 45" x 28". (In setting
up a battery of these machines, it is well to space
grinders not
13. Height—From bottom of base
To C/L of Spindle-12^".
To top of Work Spindle Motor—25".
14. Approximate Net
STANDARD
1.
One collet adapter.
2. One collet to customer's specifications.
3. One
4.
Spindles
5. 1 dozen additional Mandrel Mounted Wheels.
6. Two G.E. Switches with overload protection (one
7. Necessary pulleys and belts supplied.
8. Tools—Four wrenches and one screw driver.
EXTRA EQUIPMENT
5" Capacity Chuck (67e" O.D.) with reversible teeth
Including Adapter for Chuck—$85.00.
face plate
(No bolts furnished)
1 TU-C complete with 4 Mandrel mounted Grind
1 TU-1% complete with 3 Grinding Wheels.
1 TU-4 complete with 2 Grinding Wheels.
1 TUX complete with 3 Grinding Wheels.
for each Motor).
less
than 20
Weight—550 lbs.
EQUIPMENT FURNISHED
8"
—%G
inches apart.)
—
" slots
for
%"
—
ing Wheels.
Bolts.
—
Collet Quick Release 4 Speeds by
Attachment
Graduated
Adjustable
Work Spindle
Mounting
Shifting Belts
1
Work Spindle
Grinding Wheel
Dumore
Precision
-
Grinder
Longitudinal Feed
Hand Feed
Control
Various Sizes of Collets
Available
(
Only One Furnished
Snap
)
Throws
Truing Device Away from Work Wheel Spindles
Extra Grinding Cross Feed Control
Box of
Grinding Wheels
PRINTED IN U. S. A. 1M-7-42
!
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