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PRECISION
GRINDERS
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PHONE 2-7013
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SMITH MACHINERY S©,
MACHINE TOOLS
SYHACU03, N« Yi
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THE GRENBY MANUFACTU«>
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CO., PLAINVILLE, CONNECTICU
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GRENBY UTILITY GRINDERS
QUALITY
PRECISION
PRODUCTION
S-l Type
Surface
Grinder
IG-I Type
Internal
Grinder
EG-1 Type
External
Grinder
FG-I Type
Flute
Grinder
TRS-I Type
Taper Reamer
Sharpener
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V
GRINDERS
Accessories Available For Grenby Grinders
SPRING COLLETS
No. 4C, No. 5C, No. 6H and No. 2] Collets from
through {3/s" capacities.
TAPER COLLETS
No, 4C and! No. 5C with No. 5 and No. 7 B Sc S taper
COLLET TYPE CHUCKS
For mounted wheels with
and l
/l" shanks.
COLLET CLOSERS
Quick-acting production type collet closers.
ARBOR TYPE QUILLS
From 1" to 6" lengths.
UNIVERSAL CHUCKS
3", 4
” and 5" chucks with adaptors.
jt
holes.
STEP CHUCKS
"
From Ys' to 3" capacity with closers.
FACE PLATES
4", 5" and 6
" capacities.
SPINDLE EXTENSIONS
Adapted to wheels with /z
” hole.
DRIVING DOGS
For on-center grinding.
WHEEL DRESSERS
Micrometer screw adjustment.
RADIUS DRESSERS
Combination concave and convex.
INDEPENDENT CHUCKS
3”, 4" and 5" chucks with adaptors.
PERMANENT MAGNET CHUCKS
Brown & Sharpe permanent magnet type.
BENCH
Pressed steel with 4 drawers.
PEDESTAL
Cast iron heavy construction.
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QUALITY-PRECISION
THE H. A. SMITH MACHINERY CO,
MACHINE TOOLS
PHONE 2-7013
SYRACUSE, N, V,
GRENBY
GRENBY SURFACE GRINDER shown in photograph with Perma
nent Magnet Type Chuck. Can be equipped for either wet or dry
grinding.
UTILITY GRINDERS
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SPECIFICATIONS - TYPE S“1
GRINDING CAPACITY
Height with chuck
Height without chuck (from bolster plate)
WORKING SURFACE OF TABLE
5"
wide x I0" long
5" x I0"
4»/2"
7"
SURFACE TYPE
WHEEL SPINDLE
Equipped with sensitive super precision Ball
Bearings For lasting performance and accu
racy. Wheel spindle speed 4400 R.P.M.
WORKING SURFACE PERMANENT MAGNET
CHUCK
TABLE TRAVEL
CROSS FEED
VERTICAL MOVEMENT OF WHEEL HEAD
MAXIMUM WHEEL SIZE
6" x l/2" x U/4"
ADJUSTABLE STOP ON CROSS TRAVEL
STANDARD MOTOR
'/
4 H.P. - 3450 - 60 Cycle
Single Phase
110V
FLOOR SPACE (without bench)
Length .................................................
Width
Height
....................................
FLOOR SPACE (with bench)
Length ................................................
Width ......................................
Height ...................................................
5" x I0"
IO'/2"
7"
5"
36"
24"
28"
43 Zz'
26"
59"
GRINDING SURFACE
Maximum 5" x 10".
TABLE TRAVEL
Designed for sensitive and accurate feed.
VERTICAL WHEEL TRAVEL
Has graduated dial together with travel
cla m p.
VERTICAL SLIDE
C.ou liter weighted.
CABLE FEED ON TABLE
Eliminates chatter.
GRENBY SURFACE GRINDER shown in photograph with Perma
nent Magnet Type Chuck. Can be equipped for either wet or dry
grinding.
WEIGHT
Machine with regular equipment crated for domestic
shipment, approximately
Machine and bench, crated, approximately
.......
320 lbs.
440 lbs.
GRENBY UTILITY GRINDERS
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QUALITY-PRECISION
UHE H. A. SMITH MACHINERY CO.
I
PHONE 2-7013
MACHINE TOOLS
SYRACUSE, N. Y.
The iRS-l GRINDER has an Auxiliary Swiveling Table with adjust
able tail stock center. This machine will grind the land, relief and
teeth of straight, spiral or tapered reamers; end mills; shell mills
and cutters.
GRENBY UTILITY GRINDERS
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SPECIFICATIONS -TYPE TRS-1
VERTICAL ADJUSTMENT
..........
C
11/ II
O /l I!
TAPER REAMER SHARPENER-
TYPE
r
CRtNSY
*=
-----
REGULAR EQUIPMENT
LONGITUDINAL TRAVEL
By cable feed
By screw feed for fine adjustment..
CROSS
TRAVEL
...........
TILTING OF WORK HEAD (each way)
WHEEL SPINDLE SPEED
(by Pick-off Pulleys)
FLOOR SPACE (without bench)
Length-
Width
Overall height ...................................
FLOOR SPACE (with bench)
Length
Width
Overall height
9l/2"
2"
5"
20°
4000 fo 7000 r.p.m.
3
0"
.......
24"
.......
28"
43 y2"
26"
59"
Machine complete with ‘/4 HP 3450 R.P.M. Motor,
110 volt, 60 cycle, single phase; Center gauge;
Diamond with holder; Belt; and,
Option, either:
ES
ball bearing work spindle
Super Precision Ball Bearing Spindle bored for
No. 9 B&S taper shank. Suited for cylindrical
or tapered mills with straight or helical flutes
to 6" length of flute.
at Customer’s
n BALL BEARING WORK SPINDLE
Super Precision Bail Bearing Spindle bored for
No. 7 B&S taper shank. Suited for cylindrical or
tapered mills with straight or helical flutes
6" length of flute.
M BALL BEARING WORK SPINDLE
Super Precision Ball Bearing Spindle bored for
No. 5C spring collets l/4
for cylindrical or tapered mills with straight or
helical flutes up to 6" length of flute.
" to 1" capacity. Suited
up to
The TRS-I GRINDER has an Auxiliary Swiveling Table with adjust
able tail stock center. This machine will grind the land, relief and
teeth of straight, spiral or tapered reamers; end mills; shell mills
and cutters.
WEIGHTS
Machine with regular equipment crated for domestic
shipment, approximately
Machine and bench, crated, approximately
300 lbs.
440 lbs.
E BALL BEARING WORK SPINDLE
Super Precision Ball Bearing Spindle bored for
No. 4C spring collets /4" to %" capacity. Suited
for cylindrical or tapered mills with straight or
helical flutes up to 6" length of flute.
GRENBY UTILITY GRINDERS
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QUALITY-PRECISION
/
;
%
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4
- ■
GRENBY
The FG-I GRINDER has
able tail stock center. On this grinder the wheel spindle is at right
angles to the work spindle. It is adapted principally for hollow grind
ing the flutes of end mills, reamers, cutters, taps and form tools either
spiral or straight. It can also be used to grind the land and relief of
straight reamers.
with or without a coolant system.
UTILITY GRINDERS
The GRENBY FLUTE GRINDER can be furnished
Auxiliary Swiveling Table with adjust-
an
i
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SPECIFICATIONS - TYPE FG-1
FLUTE GRINDER TYPE-
VERTICAL WHEEL SPINDLE TRAVEL
LONGITUDINAL TRAVEL
By cable feed
By screw feed and fine adjustment.
CROSS TRAVEL
TILTING OF WORK HEAD (each way from center)
WHEEL SPINDLE SPEED
(by Pick-off Pulleys)
4000 to 7000 r.p.m.
FLOOR SPACE (with bench)
Length ....
Width ............................................
Overall height ...........................
......................................
FLOOR SPACE (without bench)
Length ...................................................
Width ....................................................
Overall height ..........................
........
43 /2"
.....
...........
5"
8"
2"
5"
20°
26"
59"
30"
24"
28"
REGULAR EQUIPMENT
Machine complete with /
110 volt, 60 cycle, single phase; Center gauge;
Diamond with holder; Belt; and, at Customer’s
Option, either:
® BALL BEARING WORK SPINDLE
Bored for No. 9 B&S taper shank. Suited for cylin
drical or tapered mills with straight or helical
(lutes up to 6" length of flute.
BALL BEARING WORK SPINDLE
. Bored for No. 7 B&S tape* shank. Suited for cylin
drical or tapered mills with straight or helical
flutes up to 6" length of flute.
BALL BEARING WORK SPINDLE
Bored for No. 5C spring collets l/4
city. Suited for cylindrical or tapered mills with
straight or helical flutes up to 6" length of flute.
□ BALL BEARING WORK SPINDLE
4 HP 3450 R.P.M. Motor,
" to 1" capa
The FG-I GRINDER has an Auxiliary Swiveling Table with adjust
able tail stock center. On this grinder the wheel spindle is at right
angles to the work spindle. It is adapted principally for hollow grind
ing the flutes of end mills, reamers, cutters, taps and form tools either
spiral or straight. It can also be used to grind the land and relief of
straight reamers. The GRENBY FLUTE GRINDER can be furnished
with or without a coolant system.
WEIGHTS
Machine
Crated for domestic shipment, approximately ...........
with regular equipment, including bench,
approximately
........................
............................................
420 lbs.
280 lbs.
Bored for No. 4C spring collets V4" to %" capa
city. Suited for cylindrical or tapered mills with
straight or helical flutes up to 6" length of flute.
GRENBY UTILITY GRINDERS
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THE
G R E N B Y
MANUFACT/URING
COMPANY
•••
PLAINVILLE,
CONN.
s
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