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OPERATING INSTRUCTIONS
(Continued)
MORTISING
.i
'
Fig.
5
Fig.
5
Fis.
1
ln
order
to
penet
ate
the
qor[
the cuttihg
edse
must
ha"e the
cor
rect cuttins
angle
and
"1ip
clearance" at the cenier
of
the
drill
{Fi9.7}.
Fig.5
shows
a drill
ground
with no
lip
clearance. The
portion
of
the
drill
behind
the cuftinq
lip
k
bearins
on
+he me+al
being
cut
and
cre-
ven+s
the cuttihs
lip
froh bifirs in.
The
cutting
Iip
and
heel
"5'
are
;n
the
same
plane.
This
drill will
cut very poorly,
i{
at
all.
Fie.6
shows}ov
fhe "heel",
+he
part directly
back
of
cu+ting angle, must be ground
away.
THE
PROPERLY
GROUND
DRILL:
Two '.rles
are
especially
impor
tan+ when
grinding
drill
poink. l.
The
Iip
clearance
angle
{Fi9.
8A)
should
be
between
l2
and
l5
degrees. 2.
The
two
cutiins
edges
must
ue
of
equal length and
an9le.
ln
Fies.8A,8B,8C,
rhe p,operly
ground
dr;ll
poink
is
sho*n.
Re{er
to
these
ligures
when
srinding
a drill-they
will aid
in
grinding drills
which
will
cut rrue*ized
holes
with
a
minimum
Fig.88
Fig.8
Use
rhe
hollow
chi,el morti,ins
Bi.
tachment
and
acce*ories as
slown
in
To
'et
up
the
mortking
attachment,
firs+ remove
feed stop
bracket
and
put
chisel
socket
in
its
place.
See
Fig.
9.
Remo"e
+he
{eed
stop eause,
and
in-
sert
in
the
chisel holder. Thisfeed
stop,
in addilion
to
servinq
as
a
depfh sause,
prevents
rotalional play
in
the
quilt.
Select
a
mortisinq
chisel
and
bi+
o{
desired
siue.
lnsert chisel
in
socker'
Slide
the
bit
up rhrouqh
rhe
chisel
and
{asten
in
collet <hucl, leavins
l/15"
clearance beiween
the
rPur
o{
the
bir
and
the
lo.er
edse
o{ the
chisel. rhis
adiustment must
be
care{ully made ot
a
damaqed bi+
and
chisel
will
result.
Turn
the
spindle
by
hand
to
make
sure
that
the
bi+
runs {reely.
-z:-1-.
(A
u
.-/.,\.,,;L^"..
ffiP.+71..
>;q.*.*
Fi9.9
Set
the
ouide {ence
in
position and clamp
the
holder
do'n
lishtlv
aoainst
the
i"" .,*"". .f
+h"
*",k.
AdiL,st
ihe
lock nuls
on +le
reed
+'"o
".,".
snd iake the first cut
slowlv,
Raise
the
chi5el
frequeirlv
to
dis;ha.qe-the chips.
Move
the
work alons
+he
guido fence about
t*o'
thnds
ihe
*idth
o{
the
mortis;ne chisel
and take
a
second
cut
This
and succeedino cuts mav
be
taken more
rapidlv.
RePedt +he
abo"e
oPe'
aiion
un+il
the
desired hole is
completed DO NOT
FORCE THE CHISEL
THROUGH THE WORK
TOo
IIAPIDLY. Too
rapid {eed
will
cause
burned chisels
and
b+s.
USE
THE
SLOWER DRILL
SPEEDS
FOR
MORTISING.
Fig.8A
Fi9.8C
DOVETAILING
Use
do"etailing
attachmen+
ar
sho*n
i;ons turaished
wjrh
attachment.I
;n
our catalog.
(See
lnstnrc-
REAMIN6:
Wlen
a
hole mr:st
be
accuraie
to
wit}:n.002
inch
or
iess,
ii
is
first
<iriileri
a
iew
iirous.r<iihs
or
i'r ii..l
uiii",size.;iiJ
tiea
hand-reamed
or
reamed
with
ihe drill
press
to
the
finkh'diame+er.
For
besl
results, Jollow
'the
same rules
irl
reamins
as
{ot
drilling.
Use
slo*
speeds,
feed in
evenly
and
be
sure
lhere
are no
burr
on +he
reamer+eerh'
'
A
rearinq
allo.ance
be+.een
.ol0
and
l/64
lnch is
t,sually
sufficient
{or
machine-ieamins
Ioles with
diamete's
o{ t
lnch
or
les-an
"
lo''
ance
oI
t/64
ot th2
nch
k
recommended
{or
machine-reamine
holes
be+ween
I
and
2
inches
in
diameter.
.OO3
+o
.005
inch
k
usually allowed
for
hand
reamins operations.
CAUTION!
L
usins
the dr;ll
press
for
any
PUrPose
o+her
than
driil'
ine,
it
is
necessary
to
make
use
o{
special
chucks
and
adap+ers.
In
usino
the
various
tvpes
o{
mortisinq
bi1s,
router
b;ts, do'elailing
b;rs
etc.,
ihe op"r"ro-
MAY
use
a
collet-chucL rather than
the
Jacobs
c\uck.
On
those drills equipped
-:th
d
laPered
sPiidle,
it
is
ne.essBrv
to
remove
the
Jacobs chuck and
rhe rhreaded collar immedialely
above
't.
To remove Jacobs
chuck
from
spindle, place
+he
sleel
wedse
bet*een
the
chuck ano
the
knurled
collar and
sirike
tle
wedee a
sharp blow
*rrh
a
hammer. {See
Fiq.
l.}
The chuck should
be
caush+
wirh rhe
le{}
hand
in
perlormins
'thk operalion.
The
coller
chuck
L
PIaced
on the
taDer,
and
+he
thre;ded
coilar
k
rhen replaced.
There is
a
small
flanse on
rhe
inner side
of
this
collar
which
vill
hold
the
collet
chuck securely
in
oosition on
tie
ta
Der.
l{
rhe
Jacobs
chucl
is
useo
wilh
any
tyPe
o{
cutter vhere
ther"
ir
d
thru+
cominq
on from
rl"e
side,
the
chuck
.ill
be
pulled
ofi
the
taper'
Th.s
can be-quite
dangerous.
Then
+oo, most
o{
rhese operd+ion,
a'e
done
ar
a
hieh
speed,
and
a
collet
chuck
k
much lieh+er
and is pre{-"r
able
{or
+he
Iiqher
sp"ed.
The
coller
chuck grips
the cutter
shank
all
the
*ay
around instead
ot
at
ius+
tFree
poink.
Eractiy
the
same p.ocedure
is
{ollo*ed
in
irstal'ins
the
shapi"g
adapter
wh;cl
k
used
on
+he
tapered spirdle
drirls
lo
cary
the
shapi"s
WOOD CARVING AND INLAYING
For
this
work,
use
the
special
router
or
woodcdrying
birs
shown
in
our
cataloq.
The
d.'ll
press
should run
at
a
speed
o{
about
5,000
R
P.M.
or hiqhe". Hold the
piece
to
be
wo*ed firmly
;n
one hand
and
.un thp
bit
into
+he
work
ihe
proper dep+h. Clamp
+he
spindle
securely
at
ih;,
point.
No*
holdinq
the
work
wirh bo'h
hands quide i+ throush
the
desi"ed
desiqn.
FreqL,eatly
in
car":ns the
wo*
is
9r:ided
by
a i;q
sa*
paitern
cul
our
of
plywood.
This Pattern
is
Ias+en"d
to
fhe
r.rnde*ide
o{
+he
work
itsel{.
A
pronq
pin
proiec+inq
up {rom rhe
table
runs
in
+he
paitern
and guides
+he work.
SHAPING
The head
nav be
used
in
the
normal position
or
in"erted
as
shoan
ir
Fiq. 10.
Use
the
special
extension
rable and
spring
cl;ps
l;sted
in
our
catal;q.
when the dr;ll
is
equipped
*ith
d
tdPered spindle,
a
special
shopinq
adapter is
mounted
on
rhe sPindle
and heid by the collar abo'e
the ch;ck.
Be sure
to
use +he
collar
to
hold
the
shapins
adapter
in
place.
See
'Cauiion"
above.
Seleci
the
proper cutters and
lock
securely
on rhe arbor.
IMPORTANT:
The direc+ion
o{
rotation
should
he
TOWARD the
wo* to
be
cut.
Always
set
the
wood {aclnss as
close
to
ihe
cutter as
possible
to
secure
maximum
safety.
To
feed worl from ihe
oppo-
'ire
siCe:
L
T!rn
c!t+er
or
cutierr
over.
2.
Reverse
direction
of
rotarirn
o{
spindle.
3.
Place hold.downs
o"
opposiie
side.
(A
re,ersing
swhch
wil
6e found
to
be
convenient.)
one
thin
inner
collar slightly
higher
than the other collars.
Ou+side
of
rhis ;s
a
bronze
hearing
<ollar
and ou+'ide
o{
lhe
bearing collar are
a
series
o{
steel
colldrr. ln oper.t:on
rhe
wo+
resr, a9a;n5t
the outer
rteel
collar
whkh
remains
pracficdlly +ationary while
lhe
spindle
revol"es.
These
collar
may
he
mounfed
abo"e
or
belo- the cutfer.
The
collars
serue
as
a
depih siop
{or
the
work preventinq
the cutter from "hosging-
in".
They should always
be
used
on irregular
work.
ln
commencinq
the cul on iresular
wo*
use +he
stadins pin
as
a
{ulcrum
to
prevent
rhe
work
from gefting
caughi.
Bring
tie
work
sradu-
ally
in
contact wirh
the
cut+er.
Hold
+he
work
firmly
and
keep
i+
in
contact
wi+h
rhe
depfh
collar.
The shape
o{ the
piece
will be
soverned
by its
con+ouri hence
+lle
worl
mus+
6e
sawed
ro
the
desired
shape
be{ore
shapinq.
USE
ONLY THE HIGHER
SPEEDS
FOR SHAPINO.
ln
shaping
circular or irregular
wo* |
.i i -n-
|
tfik
shapins
fence
and hold
downs
.re
disp.n,"d
wirh.
For
+his
work've
Fig.
l0
recommend
and
seii
a
sef
o{
nened deprh
collars. ln
rhese
sefs
}here
is
-3-
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