Page 1
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#I
henchmasler
AUTOMATIC
ROLL
PRECISION
FEED
•
Designed
feeding
• Extreme ruggedness
•
Increased
Here's Bcnchmaster's new Automatic
Precision Ro
simplified, huskier, more powerful and
with improved fee
for
greater
accuracy
pulling
ll Feed-Comp
ding
accuracy!
power
letely redesigned,
•
NEW
NEW
less wear, long
and out
cially shap
shaft in one direction and release
IMPROVED
0-
3½"
± .005" in normal installations with average stock
of .020" to .030" thickness.
LARGE
of low
less
than
inates gearing and resulting backlash, improves accuracy.
Lower
tum, permitting more strokes
produ
STRONGER
a
nd
is maintained
Increased pressure now available increases pulling power
of
the unit, insuring a more positive feed.
DESIGN
ROLLER
er
roll
LOWER
er
r.o
ced
CAM
er
life! Clutch consists of
race with annular space filled with spe-
ed
roller cam
ACCURACY
feed
ROLLER
roller produces a
½ of the full roller circumference; elim-
ller is hollow overcoming inertial l
per
hour.
SPRING
by
FEATURES:
CLUTCH
s.
(Series
LOAD
stiff splings over each bearing block.
-Greate
Cams lock to supporting
- Feed accuracy
3.5
PRF)
- L
arge
3"
stock travel with
per
-Roller pressure is adjustable
r torque,
in
the othe
is
33/s" diameter
minute, hence more parts
an
of
held
ag
inner
r.
the
to
and
Benchmaster Precision Roll Feed
wit
momen-
Benchmaster Precision Roll
h direct linkage.
BELL
CRANK
linkage alignment, greater accuracy,
pull
thr
wear. Required on certain installations to insu
linkage angles
imum sh·oke angles.
Direct connection
should
not exceed
ougho
be
permitted
6°
-Availab
ut
and
dming
le as
its stroke
eliminate binding
of
linkage between crank
only when angularity
a full stroke.
wi
th
an
accessory. Insures
and
reduces clutch
bell crank linka_ge.
app
lies more uniform
and
linkage
re
or
interference at max-
and
roll feed
of
link
age
(Continued)
Feed
proper
correct
does
Page 2
Roll feed can also
be
11101111ted
betu;een press col
cit/rer
or
front to bac
•
NEW
INTEGRAL
prevents overrun
identical surface
Elimi
of st
to feed
11111ns
l1a
ck to front
k.
DESIGN
BRAKE
FEATURES:
-An
adjustable
and
assists both rollers in maintaining
speed during all
nat
es hun~ing, improves accuracy
ock-
advan
tages resulting from effec
brake
on
the
portions
and
avoids marring
tive elimination of
(Co11li1111
upp
of
the stroke.
backlash from transfer gears. Brake is adjustable
operation, thus pe
greatest feed acc
are stati
ROLL
e
onary
LIFTER
ither
by the linkage system
stock to float fr
NEEDLE
BEARINGS
bearings for longer, smoother, friction-fr
Lubrication duels are provid
EASILY
t
ion
REVERSIBLE-Clutch w
by reversing position on roll
rmitting
urac
exact resistance to
y a
nd
smoothest
during return strok e.
can
be used, if desired,
or
by the press
ee
of
roller pressure
- Both rollers
ed
for
ill
er
be
appHed for
per
formance. Roll
and
can be actuated
ram
, allowing
at
complel
-ion
of stroke.
are mount
eac
ed in needle
ee
perform ance.
h bearing.
feed in opposite direc-
shaft.
ed)
er roller
during
Wh
ere longer fce
reco
111111e11d
r-
------
:
I
s
Feed Lengths: Series
Maximum thickness
Stock
Top
Lower ro ll
Maximum
Appro
Series
Ser
________
cl leng
ed, feeding from O to
-------
SPECIFICATIONS:
width
s . . . . • . . .... 3
roll
er
diameter
er diameter
Speed:
x. sh
ipp
3.5 PRF . .
ies 9 PRF ...
ORDERING INFORMATION -Spec
ber desired, roller
samples
of
work to be fed or describe sto
ths are re
q11i
red the Series 9 PRF is
9"
per stroke.
----
3.5
PRF
Series 9 PRF •.. . •...
capaci
. . . . ... 2 ¼ ''
Series
Series
ing
weight.
3"
46
53
____
width
......
ty . .
....
. . . , . . . . . . .
3.5 PRF .
9 PRF
including linkage
lb
s.
lbs.
..•..
Stock
5"
55
lb
62 lbs
_
___
..
Widths
s.
. 71 lb
ify ro
and
type link
-----7
•
..
0-3
...
. • • •
", 5",
..
. . .
500
..
200
:
7"
64
lbs.
s.
_____
ll
feed series
age requir
ck
and
½"
0-9" I
1/e"
7", 9"
3
3/e"
spm
spm
9"
72
lb
s.
80
lb
s.
__
num
ed. Se
feed speed.
nd
:
I
I
I
I
I
I
I
I
I
I
I
J
-
SPHERICAL-TYPE, SELF
Heavy duty spherical joints re
of
play in linkage.
STOCK
GUIDES s
tween rollers.
MOUNTING
permitting
EASY
BRACKET
ready
INSTALLATION
as well as most
SOLD
FORM NO. COG
BY:
10919
-ALIGNING
duc
e we
li
de on
guide
bar,
center
is
adjustab
adaptation
-Fit
s a
le for stock line he
to diffe
rent
ll
Benchmasters, exce
other presses. Simpl e 2
LINKAGE
ar
and
devel
ing material be-
die set-ups.
bolt
mount
BEARINGS
opment
ight
pt
2 ton
.
Benclwwster Precis
ion. Roll
Feeds for wider sto ck and special
applications are auailable on
order. Send yo11
r requirements.
,
benchmasler
-----------
1835
West Rosecrans Avenue •
-World's
facturer
presses and mills.
Gar
dena, Califo
larges
of
t _
sma
ll pu
LITHO
nch
rn ia
=
IN
U . S . A . 20M 7 .
ao
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