Page 1
''
The Machine
That
Gives the Smooth
BECKER
Finish''
I
No.
4B
Vertical
Milling
Machine
WORCESTER
,COMPANY
Page 2
·e
RANGE:
TABLE:
SPINDLE:
FLOOR
L
ong
Cro
Vertical feed of
Head
f\faximum
f\,faximum dista
11aximum
Working
Size
Has
Length
Number
L
ong
Longitudinal
L
ong
Diameter and length
Number
Ran
Ratio of
Tap
Hole
PULLEYS:
Spindle
Spindle
Width
Di
amete
Speed
SPACE:
L
engt
WEIGHTS
Machine
R
otary,
Machine,
Machine,
Co
itudinal
ss f
eed
travel
overa
3 T slots,
itudinal
itudinal
ge of spindle
er
hole, No. 10 B. & S.,
throu
of
h x
AND
ntent
feed
(power)
knee
. . . . . . .
dis
tance
nce
distance between spindle
surface
ll
. .
width
of
carriage
of feeds
of
back
pulley
dri
of
driving
r of
countershaft,
width
without rotary,
net, about
without
with
s boxe
for
feed
per
feed
per
feed
per
spindle
speeds,
gears . . . . . . . . . .
gh
spindle
ving
pulley
belt
countershaft
x heig
SHIPPING
rotary,
rotary,
d,
(len g
Specifications- No.
between
betwe
each spindle
of
spee
.
th
spindle
en
spindle
. . . .
rev
olu
tion
revolution
minute
main
ds . .
R.
P.
Nose
. .
pulley
R.
P.
M.
ht
DIMENSIONS:
abo
ut
. . . . . . . .
boxed for ocean s
boxed for oce
11
77
,
width
speed
of
spindle,
of
spindle,
bearing
M.
2¼
.
and
table
and
rotary
and
frame
11
, 8
an
shipment,
11
52
,
height
open
back
Pitch
hipment, about
.
table
belt
gears
, R. H .-
about
11
76
)
U.
S.
Form
4B
.
.002
.255"
59
36"
46"
004"
11
2
½"
11.5 to
4.82
14" a
100
11
X
60" X 75"
2540 lbs.
3110 lbs.
3410 lbs.
162
28
14
19
5
1
9¼
13
½
15
x
IO
¼"
X
10
¼"
¾"
36"
to
.062"
to
.299
to
42.5
X 6¼"
12
686
to
ll"
16
12
1/s
12
2¾"
nd
lOu
and
400
300 lbs.
cu. ft.
6
1
"
11
"
11
II
11
11
II
11
11
-
"
EQU
CODE
IPMENT
Standa
Specia
rd:
l:
17",
hu
shing
arbo
WORDS:
Without rota
With rota
:
Cone drive, friction countershaft
Ro
tary table
with power
for
r s
ry,
No. 3
upport; driving bel
ry,
(Cone
(Constant
(Cone
(
Constant
with
or
hand
Becker
Dri
ve) . .
Speed
Driv
e) . .
Speed
oil tro
feed in ei
coll
et, collet
t§_,
2¾ "
Drive)
Drive)
ugh,
double
, vise
graduated
ther
direction
draw
bar
for s
set
to 360°,
and coll
pindle
block
with
s,
drawbar
diameter
and
working
automatic stop;
ets,
oil
drive
pump and
, 1 ¼" single for f
wrenche
surface
redu
piping:
eec1
s.
cin g
.
-
Fur
Fnrbox
Furrot
Furrotbox
Page 3
The
4 B
Becker No. 4 B
Vertical Milling Machine
Miller
is a general
all
around
tool spec iall y
adapted
for
manufacturing
and
repair
construction.
with
justable
mak
and
spindle
supported
the
power feed.
full
shops on
Special
main
ing a powerful drive.
collets
The
strain
The
working
Rotary
attention
bearings
collars for
are
secured
has
threaded
belt
table
pressure
by
an
of
the
belt
is
The
surface.
attachment
account
has
hardened
taking
by a drawbar
nose for sec
on
adjustable
pressure
of
liberal
saddle
This
of
its
capacity
been
up
the
proportion
has a wide
with
given
and
wear.
The
bracket
is a special
spindle
uring
spindle
is
not
power
of
handling a large
to
the
ground
The
which
at
carried
with a large
center
feed
and
back
is
large
driving
the
by
bearing
feature
spindle.
runs
gears
arranged
passes
surface
pulley
top
of
the
the
spindle.
working
on
on
all Becker Milling
adds
to
It
is
in
taper
are
located
with
through
mill or
is
taken
column.
the
knee
the
range
range
made
bronze
directly
hand
surface
feed.
a hole in
chuck
by
With
and
of
of
work
of a high
bushings
on
Cutters,
the
spindle.
.
an
auxiliary
this
and
has long
supports
Machines.
work
the
and its rigid
grade
the
construction
the
machine
steel
with ad-
spindle
arbors
The
bearing
itudinal
table
its
is
capable
It
is
equipped
surface
This
allowing
box
has
spindle
By
Becke
a shor
r collets may
ter draw
of
doing.
with
17"
in
machine
machine
seven
speeds .
the u
This
both
diameter
may
to
be
speed
se
bar is req
changes
of
a reducing bushing tapered outside to fit hole in s
be used
rotary att
power
and
is
be
equipped
driven
from a main
and
in
uir
ed.
achment
and
hand
equipped with
with
with
siz
es ranging fr
can
feeds
constant
line
back
be
applied
and
graduated
oil
trough
without
gears l
om
to
the
to
360
.
speed
ocated
,½
the
single
use
on
pulley
of a countershaft.
the
" to ¾" by 16ths.
machine
°,
having a working
head
at
gear
gives
pind
any
box
In
time.
drive,
Gear
fourteen
le
No.
this
case
3
Page 4
Motor Drives for
No.
4B
Miller
The
motor
fastened
m
ach
which
is
of
iron,
operat
with a gear box
speeds
quick
closed by
are obt
lo
cated
or 1200 R .
drive.
to
the
ine,
and
the
are
properly
stee
l, while
and
the fabr
ion.
The
gear
ranging
change
the
gear
ained through two
on
the
top
A 3 horsepower c
P.
M.
is
bolted
rear
drive
guarded:
the
main
oil
train
gear
is a
that
provides for
from 20
mechani
box,
of
the
onstant
is rec o
Constant
to a motor
portion
is
intermediate
and
gear
mm
of
the
through a train
The
driving
rranged
fourteen
to
500
R.
sm
the
changes
hand
les
box.
speed
ende
d for
Variable Speed
bracket
base
of
motor
gear
is
of
permits
in
conjuncti
spind
P.
M.
is
entirely
in
conveniently
motor
this
of
type
Speed
of
the
gears
pinion
cast
quiet
on
le
The
en-
speed
1150
of
Motor
Motor
A wide
by
means
ti
on
with
speeds
of a
machine.
rear
through a train
The motor
gear is
mits
ha
speeds
of 500 R
R.P.
requires
rhe
The
of
of
quiet
With
ve a gea
varying
A 3 horsepower
lVL
Drives
Drives
range
of a
direct
ostat
convenientl
mot
or
the base of
pinion
cast
operat
this
r box,
.P.M. can
is r
ecomme
of
spindle speeds
variable
current
only
is bo
of
iron,
ion. ·
arrangement
and a three
from a minimum
the
lted
the
gears
is
of
and
be
arranged.
motor
nded
speed
simple
which
steel, while
the
motor
only.
y l
ocated
to a bracket
machine, and
fabroil
it
to
running
for
this
can
The
shifting
on
are
properly
the
intermediate
is
not
one
range
of
20
type
be
obtained
used
in
connec-
adjustment
of
the
handle
the
side
of
fastened
the
main
necessary
to a maximum
at
500
of
to
drive
guarded.
driving
of
spindle
to
2000
drive
.
per-
•
of
the
the
is
•
to
Th
e use of hi
to
do with obt
M illin g
Mach
in
the
o
ur
ters
cutter
a wide vari
classes of
lustr
purchased
required. Our
clearly
a
nd will
Machines.
ines and
making
machines
of
the
For
set
ated
illustrates a complete
has
highest grade.
the
convenience of o
has
ety
work.
here are
as a set
be glad
gh grade
aining
As
the long
of
cutt
enabled
been arranged
of
cutters
The
set
number
or
sta
ndard
ly se
nt you
cutters has
the
best res
bui
continued
ers
in
us
adaptab
group. of cu
separate
cutter
much
ults fr
lders
connection with
upon
of Milli
experience
to
produce
ur
customers,
consisting
le
4B, and
ly,
as may
cata
line
of cutt
request.
to
tte
may
om
ng
cut-
of
many
rs il-
be
be
logue
ers,
Cutters
a
----
,
ll
LU~
t
"THf
DAVIS
,.
PRUS
WORC
l
ESTE
R
NUS.US
A t ·
•
I0-24•,M
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