Page 1
Directions
for
Installing and Operating
NO. 21 DRILL POINTER
OLIVER INSTRUMENT CO.
ADRIAN, MICH., U. S. A.
Page 2
DIRECTIONS FOR OH2RATXNG THE OK-THR
#21 1381
LLFOIRTER
The Oliver #21 Drlllpoint«r is
3/32" to 1/2" ond for smaller drills by the
b
machine used for grinding twist drills from
mb
© of a <g@llet mechanism which is
fterdlstod as extra equipment.
The machine consists cf a base <&ontainii3g the motor and cn whleh ere mounted
a grinding wheol spindle end. a carriage {7)0
On the grinding wheel spindle is runted a 5" x 2" x l/2" face x 5/8" hole
aluminum cup wheel „
On the ferriage (7) is moumted a bearing (6) whl<sk (sarrieo a shaft su
the drill holding device and this carriage (73 also carries a diamond at i_
dressing
the wheel .
To dress the wheels the handle (6) should be moved to the right against its
stop* feed the carriage with the diaroond toward the wheel by using feed e<e.rev (h) 0
In the meantime keep swinging the ‘
diamond ba@k end forth across the face of the
vrheel* when wheel is fully dressed or cleaned up then ba©k diamond away from wheel
i&pporting
(3) to
with the feed scsew (h).
To grind a drill* insert, the drill in the chuck (2 and Flg
chuck for size of drill to be ground* project the drilling end of the drill about
l/8" out the tapered end of the chuck o Rowj. . screw the jaws of the chuck down until
they just contact the drills (do not tighten} o Now* place the chuck in the gauge
(5 &nd Figo B}* turn the square stop post so the point of the drill will eontaefe
0 A) us© proper
side number four* push the chuck tight into the* taper flange jaws ami pash the drill
oast against the stop post. Also* turn the drill so the cutting lip of the drill sets
vortiml or parallel with the (stock (see Fig
eye only* any style of ©top for this sotting does not prove satisfactory
0 B). This setting of the lip Is done by
o
To grind different points on the drills* turn the stop post to the different
positions when making the settings -No. 1 has the minimum clearance and No. 4 has
the maxlmm clearance
. Some ona of those 4 setting© will grind the proper point 0
When the drill is properly positioned* it is clomped by mean© of the knur
knob. CAUTION - do not u©@ pli©rs or any other neana except by hood. If ©lamped
tc© tight* a strain on the floating jaw ie developed throwing it out of lime*
lin
g
thereby causing inaccurate grindso The chuck is then set in the machine (see Jaws
#l) by grasping the handles in the left hand and pulling the slide back go that the
ctock can be laid on the surface between the. Jaws* when the grip i© released* a
spring pushes the jaws together and the drill and ©buck are rigidly supported. Be
©ure the chuck is properly seated in the <mw©<> The holder is then oscill&ted b;
letting the holder lay in the left hand, (do not grip from above) and the first
lip i® ground by using th© feed screw (4) to feed the drills, to the wheel* then
back th© drill away from th© wheel by lifting the handle (8) to a vertical position.
When one lip is ground* ‘
th® jaw® are released by gripping the handles and the
ehuck reversed in the Jaws* then the eocon&L lip i@ ground by feeding th© drill with
handle (8) and coming to the stop. This is a limited feed and should be carried
t© the extreme position.
OLIVER mSTRUMERT COMBUIY
ADRIAN
MICHIGAN
USA
Page 3
-2-
The jaws (1) are supported by a graduated arc, which can be set to give any
point angle between 160 ana bO degrees.
The bearing (6) is adjustable sidewise so that the entire surface of the
wheel may be used before it is necessary to true it again.
again,
If it is necessary to tighten the belt
The motor is supported in a swinging frame and its weight Trill give the
, loosen screw (g) and then tighten it
proper belt tension.
The machine may be equipped for grinding left hand drills with varying point
angles or for grinding and thinning the regular thick web oil hole drills. The
results are very accurate and efficient and the operation very quickly performed.
(Parts supplied as extras).
Shoulder drills
the point as usual, then setting out until the shoulder occupies approximately
the same position. The bearing.. Fig. 6, is then adjusted sidewise until the
; Fig. D, are ground by first setting in the jaws to grind
shoulder just coincides "ith the corner of the '.heel and each lip again ground.
You will get uniformly accurate holes and long service between grinds by
the use of this machine, and with proper care, it Trill give you long and useful
service.
OLIVER INSTRUMENT COMPANY
ADRIAN, MICHIGAN. U. S. A.
Page 4
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OLIVER
21 OLIVER
INSTRUMENT
DRILLPOINTER
CO.
ADRIAN, MICHIGAN
Page 5
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Page 6
- '***
PAISS MW
mu-(£ K2x:r: r*-.. •
$uauo Kb*
1
1
1
1
1
1
MY«.TTUr»
600A.
601
602
603/1
6C&A
6O5/I
606
607
3
60S
60$?A
?4
610
611
612
613
6lh
613
6l6
1
1
1
1
3.
1
1
1
1
1
1
1
1
h
617
6l8
619
6m\
623.
622C
623B
6s4
b
625B
626
627
628
629A
630
631
632
633
63k
6
35
636
637
1 spec
1 spec 639A.
1 spec 640A.
1 spec 6klA
1 spec 642
1
1
1
1
1
X
1
1
1
1 spec 652
1 epee 653
1 spec 654
638A
643
6kk
645
646
647
08
649
650
651
Fart
D^tvsAi
Body
Body Front. Plate
Motor Bracket
Motor Bracket Stud
i*iffir«icaji<nu*'i*<rit*»nuwi.'fi *■ • w«.
Slide
Feed Screw Nut
B-618 Cowell
Use Pari. hSld
D-822 Cowell
Feed Screw Bushing
Feed Screw Bushing Guid*
Carriage
Carriage Gib
Carriage }5ad Plate
Feed Screw
Feed Screw Collar
Feed Screw Hand I&ob
Diamond Folder Bracket
Diamond Bolder
Di.aicoscl Bracket Stud ✓
Crone Slide Lock
Cro
Q% slide lock Knob
Gib Screw Nut
DiaxsoM Gage Spring;
Xttaiaoad Gag© Finger
Diamond Gage Shaft
Maearad Grage Shaf t Collar
JHUunonA Holder ter Beep Hole Drills
Swivel Bracket Lodi Screw
Swivel Stsad Rat Plug
Swivel Bearing
Swivel Stud
Swivel Stud Hut
tFso part
Swivel bracket
Swivel Bracket Plate
Se@aeaat locking Screw
Chuck
Segment far LH Brills
Swivel Jacket for LE Ttelllv
Swivel Bearing Shaft for I-’2 Brills
■ r'/.'c^IKW^ai
Kmusr-;
Page 7
♦ W
te/C'3 list-
1 r.p?c 655
1 spec 656
6^7
658
659
2.
1
1
1
1
T
<*
1
S60
6S1B
663
664b
£fi?
666
eer
668
€69
fe
2
6
S70
671
672
3- ispec 673
1 ©pec 57§
1 spec 675
676
677
678
679
2,
1
£80
681 Spindle
682
1
m
684
1
;i
1
1
X
1
1
1
1
l
685
686
687
688
689
690
691
652
693
G*
695
696
697
60S
699
!
1
.1
1
.1
1
4
2
700ft
701A
702ft
703ft
704ft
705ft
706
707A
70S
709
710
711
Bracket Plsvko for £3 Drills
Swivel faring for* Ji2 Brills
Chuck Segment
RH Chuck Child's
Chuck lock Guide
Chuck lo^k
Chuck Lock Support
Chuck look Guide Bundle
Chuck Lo<k Spring
Spring Stop
d
-63.8 }>bs11
B-522 Dowell
D-512 Sowell
B«519 Dowell
Chuck Segjaeafc for centra* Grille
Chuck Holder for center- drills
Chuck for senior mlllo
Spindle Bearing
Spring Thrust YfeaUer
Oil Shield Jrear)
Pulley Seal
Spindle Pulley
Pulley Washer
Oil Shield (front)
Wheel Mount Seal
Wheel Mount
Grinding Wheel Washer
Wheel Gusrd
Large Jaw Cfeop) 1/6 at l/B"
large Jaw sbottem) l/1'.1- 2 ?./?"
Snail Jaw ftop)
Steall Jaw fbottce} ^*-7/3*?"
Iai*ge Jaw ©aids
Steal! Jaw GuiSe
D**4l6 Cowell
Jaw Gleinp Screw
Page 8
1
:i
1
1
6
1 spec 7ch
.1
1
1 spec 727
1
1
1
1
2
1
1
X
1
1
1
1
1
X
1
X
1
■Sp
1
1
1
1
1
1
1
1
2
1
712
713
7X&
715B
716
717A
718
719
780
721
722
723
725A
726
728
729
730
731
732
733
73^A
7 35
A
73<SA
737A
738A
739A
71*CA
T^IA
7h‘2A
7b3A
7hh
7k5A
7h6
7hjA
7h8k
JhSA
750A
751
752
753
75&
755
756
757A
758
Setting Gage Jaw (top)
Setting Gage Jaw {bottoza}
Setting Gage Ease
Setting Gage Stop
£-53.8 Sowell
Motor Pulley (12CO R58 Motor)
Motor Pulley
Belt Guard
Swll&h Eox Spacers
Spindle Pulley (3&0Q HPM j
Swivel Bracket
Swivel
Stud
Swivel Bearing
Swivel Bearing Bashing
Spring Pressure Plate & Shield
Spring Plunger
Spring (cam)
Cam Follower
Cam <3b Swivel Stud Hut
Cam Shield
Lower Chuck
Chuck Segaexxt
Upper Chuck
Upper Chuck Ana
Upper Diamond Bracket
Swivel Bearing Stud
Setting Gage
Ana Plug
Chuck Point
Upper Chuck Clamp
Upper Chuck Support
Chuck Adjusting Viu
lock Washer
Lock Bolt
t
I©£k Hut
Dr
13,1 Holder Movable Jaw
Drill Holder Javr
Upper Chuek Support Extension
Upper Chuck Clamp- Screw
:hr& 7/'}
t<u;t
#21
Xte&lpotofcer
* TO STAHMRB SIZE - CUSTOMER MUST DESICKftSS
Page 9
m
1 GjK»C 753
3- $poc 761
1
tipec 762
2 ep^c 763
764
I
1 Sp^t? 7<S9
1 traac 770
1
•1
•3
1
*s
2
3
1
a
1
2
a
1
765
766
767
768
771
772
773
777
775
77S2
777
778
751
7'8a
783
jSz
785
780
787
788
789
790
791
792
793
79%
195
7 96
797
793
Pin Vice Chuck Body
Pin Vise Chuck
Pin Vise Nut
Pin Vim Chuck Lock Sere*
Hheel Cover
Carriage Hrlaer
Base & Besleatel Plate
Swivel Bearing
Shrivel Bearing Bass
Swivel Bearing Sear Past Be: 1
Swivel Bearing Cover Plats-
SwiveX Shaft
Swivel Shaft Collar
fhrivel Bracket,
Front Bust Seel.
Proizfc Bust SMe.M
Front Bust Shield Cwer
Spring Thru3t Hasher
Compression Spring
Coia
Cam Follcrwar
Cara Follower S*fcud
V,
Xiat
L-rl :xl ntur
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