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Патент USA US2105338

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Jan. 11, 1938.
c. c. SUNDERLAND
2,105,338
ROPE MAKING MACHINE
Filed Aug. 3, 1927'
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2,105,338
ROPE MAKING MACHINE
Filed Aug. 3, 1927
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Patented Jan. 11, 1938
2,105,338‘
v UNITED STATES ‘PA-TENT- OFFICE? '
2,105,338 .
ROPE MAKING MACHINE
Charles C. Snnderland, Trenton, N. J., assignor to- ,
John A. Roebling’soSons Company, Trenton,
N. J., a corporation of New Jersey
,
Application August a, 1927, Serial No. 210,233
46 Claims. ‘('01. 117-165)
This invention relates to machines for making
wire rope and wire strands of that class in which
that the rope is fabricated at a tension and under
a number of wire strands or wires are wound
ditions of the rope in service.
‘Another object of the invention is to provide
means for correctly spacing the wires or strands
as they are laid up into the rope and at the same
time compressing the wires or strands on the
helically, usually on a metal or hemp core, the
especial object being to improve that part of
the mechanism in which the wires or strands are
laid up on the core and the rope strand or rope
closed.
in
I
One of the principal‘objects of the invention
is to provide an improved means for applying
tension to the wires or strands, so that the de
sired high uniform tension may be assured and
properly adjusted and the fabricated rope formed
under tension conditions uniform on all the wires
15
or strands and so that this tension shall be such
that the fabricated rope or strand will be in a
condition similar to that when under its operat
ing tension in service.
The usual method of applying tension to the
wires or strands, has been to equip the bobbins
with adjustable brakes, so that the tension can
be regulated. When these brakes are applied so
that the resulting tension on the Wires or strands
leaving the bobbins is comparatively light, the
25 workman is able to adjust the tension on all the
wires or strands with a fair degree of uniformity,
so that the fabricated rope is formed under fair
1y uniform tension conditions. Under the high
tension required in heavy duty ropes, so that the
30 tension in the rope will secure conditions sub
stantially similar to the rope conditions when
under .its operating conditions in service, it is
very difficult, if not impossible, for'the work
man to adjust the brakes on the individual bob- _
bins so as to give the required high tension and
still maintain uniformity of tension on the in
dividual wires or strands, this determination by
the workman of the amount of tension being
made by the feel of the wires to the hand, and a
40 difference in tension on the individual wires or
strands under such high tensions being difficult
to detect and correct, valthough suficient to give
an unbalanced rope condition such that the ropes
in service will not have a uniform tension on the
individual wires or strands, with the result that
the rope will show ununiform wear and the wires
or strands will have ununiform breaking points,
so that the full strength of the rope is not se
cured.
'
I secure the desired result by using at the head
of the rope-closing machine a mandrel or form
ing core around which the wires or strands are
wound in laying them up to form the rope and
closing the rope on the mandrel or while the
wires or strands are under the mandrel tension,
with the result that all- strands being in contact
with and wrapped around the same mandrel,
the desired uniformity of tension on the wires or
strands is secured and this tension is readily ad
v60 justable without interfering with uniformity, so
conditions nearly approaching the operating con
' center, and for this purpose I preferably use an
internal mandrel with helical grooves, this in
ternal mandrel being formed to accurately de
10
termine the helical curve of the wires or strands
just prior to or in closing so as to assure the
required helix in the ?nishing rope. With this
internal mandrel assuring the closing of the rope
with the wires or strands formed on a ?xed heli
15
cal curve, and with the tension mandrel around
which the wires ‘or strands are wrapped in passing
to the internal mandrel, it is entirely practical
to assure the wires or strands being given such a
helical curve -as to secure the desired helix in 20
the ?nished rope, and this result will be secured
at the instant of closing the rope and in such
manner that the retention of this curve in the
rope will be assured and the rope will lie straight
when released and have no tendency to twist or
unwind.
The invention has, in addition to the above
general objects, other more speci?c objects and
includes, in addition to the features above re
ferred to, various features of construction and 30
combinations of parts which will be more par
ticularly described hereafter.
For a full understanding of the invention, a
detailed description of constructions embodying
all the features of the invention in a preferred
form will now be given in connection with the
accompanying drawings forming a part of this
speci?cation, and the features forming the in
vention then be speci?cally pointed out in the
claims.
In the drawings, which show'the invention ap
plied to a rope-machine of common type,—
Figure 1 is a diagrammatic sectional elevation
of the bobbin carrying and rope closing portion
of the machine;
45
Figure 2 is a sectional elevation of the closing
head similar to that of Fig. 1, but on an en
larged scale;
Figure 3 is a top plan view of the closing head;
Figure 4 is a top plan view of the mandrel and 50
its collar;
Figure 5 is a cross section on the line 5 of
Fig. 4;
.
Figure 6 is a top plan view of the closing plate;
Figure 7 is a cross section on line 7 of Fig. 6;
Figure 8 is a bottom plan of the plates forming
the internal mandrel;
Figure 9 is a cross section on the line 9 of
Fig. 8;
-
Figures 10, 11 and 12 are detail sections of 60
amass
ently of each other eiicept when locked in posi
the closing head, similar to Fig. 2, showing modi
?cations;
Figure 13 is a detail view, similar to Fig. 2,
‘ showing a construction in which the nose on
the mandrel is omitted and the internal mandrel
formed by holes through the plates;
Figure 14 is a plan of the top plate of the
internal mandrel of Fig. 13 with the holes through
tion by the cap d, so that these discs, when free,
may be brought to proper position and the pas
sages through them form a helical passage such
as to secure the desired helical curve of the
_wires or strands in the rope. This adjustment
the plates shown in dotted lines.
' Referring to the drawings, the ?yer is shown
as of‘ common form, consisting of a central ro
tating standard i8 carrying the spiders ii in
which are mounted the bobbin frames l2 car
is
rying the bobbins i8, this ?yer being shown as
carrying at the .topof the standard III the closing
head it through ‘which the outer wires or strands
a" and the center or core 3/ pass to the tension
and closing mandrels of the present invention,
which are carried by the head l4, and from which
the ?nished rope X passes through the squeezer
15, of common form, held in ?xed position by
the supports 56, and to the usual draw-off rolls
i1 and around guide roll i8 to the wind-up reel.
The ?yer and the bobbin frames are shown’ as
25 driven by the usual planetary gearing, i9 being
will preferably be by hand rotation of each disc
but they may be automatically brought substan
tially to proper position by drawing the series
of strands through them. The disc I)" is formed
with an angular stem él, for rotation of this
disc to secure the exact helix desired in closing
the rope.
'
Each of the discs b’ to b" forming the internal
mandrel, is provided with a passage 5 for one
of the wires or strands of the rope, and a six
strand rope is shown in the present case. The
passages 5 are of such form that the passages
of the seven discs b’ to I)7 together form a helical
passage for a wire or strand such as desired. 20
These passages in the successive discs b’ to 227
preferably are formed, as shown, by grooves in
the inner edge of the discs about the central
bore, and may be formed at variable angles,
gradually decreasing from the'angle at which the 25
or strands leave the mandrel a and pass
the driving shaft, which drives the flyer through 1 wires
through the first disc b’, to the smaller angle
gears 20, 2 i- and the bobbin frames through gears
of the helix at which the wires or strands leave
22, 23, 24, 25. Any other suitable means for vdisc b7, and this theoretically would be the pre
giving the flyer and bobbin frames the required ferred construction of these discs. In practice, 30
30 movement may be used, the reverse movement
of the bobbin frames relatively to the flyer act
ing to prevent or regulate the torsion on the
individual wires or strands, as is usual in such
35
machines.
Referring now to the parts especially embody
ing the present invention, a. is a hollow mandrel
or forming core mounted in the head l4 and
however, it will always or usually be satisfactory
to drill or form all the passages through the
plates on the same angle and provide for the
change of angle of the wires or strands through
the series by larger or smaller counterbores in .
each disc, the same effect of. variable angles of
the wires or strands in the successive discs being
thus secured.
through which the rope center or core 1/ passes,
An adjusting plate e, movable longitudinally
and b’ to b"! are discs forming an internal man
of the mandrel a. and having a replaceable spac 40
drel through which the wires or strands; and ‘ ing plate I through which are drilled inclined
center pass from the mandrel a.
holes for receiving the wires or strands x and
The mandrel a is shown as mounted to rotate
holding them in proper position at-the'angle
with the head and this is the arrangement pre
ferred in constructions in which the rope is not
45 to be closed on the mandrel, but this rotating
mandrel is not essential to the broader features
of the invention. The bottom disc I)’ of the
discs b’ to b7 is formed by a collar on the man
drel and shown as integral with the mandrel,
60 and its lower surface is cut away on one or
both sides to form shoulders i, as shown in
Figs. 4 and 5, by which the disc I)’ is seated in
rotatable head 0 so that the mandrel a_ and disc
"1)’ turn with the head 0 for rotary adjustment
55
in the frame 30 mounted on the top of head
l4 and shown as secured thereto by bolts 3|.
The rotatable head 0 is shown as provided with
marginal'teeth 2 by which the head may be
60 rotated by means of a pinion 3 properly mounted
in the frame 30, as shown in Fig. 3, or in any
manner desired. The discs are held in adjusted
position by cap d screw threaded upon an up
ward extension of the head c and bearing against
65 the series of discs ‘b’ to b", so that this cap d
locks the whole series of discs and the mandrel
in adjusted position. The end of the mandrel
0. preferably extends beyond the disc I)’ and into
the ‘series of discs, as shown, being tapered so
as to form an interior guide a.’ for the wires
or strands, coacting with the grooves of the
internal mandrel, and the rope is thus controlled
by the mandrel practically up to thepoint of
closing.
‘
'
The discs b’to b"'are free to rotate independ
at which the wires or strands are to be wound
on the mandrel, is adjustably mounted on ad
justing bolts 32 in the frame 30, these bolts
being screw threaded in adjusting plate e so
that by. turning these bolts the adjusting plate
e may be raised or lowered on the mandrel as
desired, thus changing the lay angle at which 50
the wires or strands a: are wrapped on the mane
drel and the number of such wraps. The wires
or strands will usually be wrapped on the mandrel
at a larger angle than the helix in the ?nished
rope and this larger angle reduced in the internal _
mandrel.
-
The mandrel a is preferably tapered down
ward through the whole or a portion of its
length, being shown as tapered throughout ‘its 60
length, although it may be wholly or partly
straight or may be reduced in size at its upper
end. This tapering of the mandrel with the
larger diameter at the top is of ‘value in some
constructions in increasing closing tension, it 65
being obvious that the wires or strands passing
from the small diameter of the mandrel to the
larger diameter would have their tension mate
rially increased as they approach the closing
point.
.
70
The operation of the machine shown in Figs. 1
to 9 and its adjustment for different conditions,
are as follows: The wires or strands a: from the
spools i3 are led through the inclined passages 6
in head It to the mandrel a with the rope cen 75
2,105,838
ter 3/ led through the center of the- mandrel.
The wires or- strands a: pass to the mandrel
through the holes in the spacing plate I in ad
justing plate e, and atthe top of the mandrel
CI
pass through the passages 5 in the successive
plates 2)’ to b" forming the internal mandrel,
and are laid upon the center 3/ in or immediately
upon passing from the last or closing plate b" to
form the completed rope X. which then passes
0 through the squeezer 15 to the drawing-off rolls
l1 and reel. In starting the operation, the ad
justing plate e will be adjusted on the mandrel a
according to the angle at which the wires or
strands .1: are to be wrapped on the mandrel, and
the number of such wraps, and a spacing plate f
will be inserted in adjusting plate e having its
holes properly drilled in accordance with the
angle at which the wires or strands are led to
the mandrel. The mandrel a, with the ?rst
disc I)’ carried ‘thereby, will be rotated by head
0, so as to position the ?rst disc b’, with its pas
sages 5, according to the angle of the wires or
strands and to act in conjunction with spacer
3
off rolls H, the squeezer l5 .being stationary,
while, the head I l and its external and internal
mandrels are in constant rotation.
V
While very important results are secured by
the combination of the tension mandrel and the
closing internal mandrel with a series of discs
forming helical guiding and closing passages,
especially in securing the desired position and
tension of the wires or strands in the rope and
in connection with forming the wires or strands 10
so that the rope will lie straight when released,
the tension mandrel may be used with other
means for closing the rope, and the internal man
drel may be used without the tension mandrel
or with other devices for securing the proper ten
sion and lay of the wires or strands as they pass
to the internal mandrel. The internal mandrel
thus forms a combined guide and closer which
in itself is an important feature of the inven
tion, apart from the external or tension mandrel. 20
The tension mandrel may be used with a com
bined guide and closer, consisting simply of the
plate I in properly spacing the wires or strands
final or closing disc or plate b7. the other plates
to b7. The discs b2 to b7 will be adjusted to their
proper relative positions in accordance with the
angle of the wires or strands, and after they have
been thus adjusted they are locked in place by
changeable'plates b7 being used in that
and guiding them through discs of the series I)’ - of the internal mandrel being omitted, inter
cap d tightened upon the head 0. The mandrel
a and series of discs b’ to b7 are thus secured
together in ?xed relative positions and may be
adjusted as a whole by rotating the head 0.
The spools 13 preferably will be provided with
the usual drum brakes, or other suitable means
_ be used for securing light and approximately uni
form tension upon the wires or strands, the man
drel a then acting to increase the tension to the
high tension desired and assure its uniformity.
40 Thetapering of all or a part of the mandrel, so as
to increase its
curing a high
in conjunction
possible about
size toward the top, aids in se
tension as above explained, and
with the large 'number of wraps
the mandrel, it is practical to
secure extremely high tension on the wires or
strands in closing, and such high tension can
‘ be secured by a suf?cient number of wraps about
the mandrel, with a mandrel of_uniform size
throughout. The size of the mandrel may be
varied and the required tension secured, but for
forming the rope so that the strands or wires
will not tend to twist or unwind in the ?nished
, rope, it is found in practice that a small mandrel
is better. The internal mandrel formed by the
discs b’ to b7 assures the formation of the wires
or strands to exactly the helical angle deter
mined upon, and with the wires or strands laid
upon the center immediately upon leaving the
60
last disc, the wires or strands may be laid upon
the center accurately at the angle desired; so
that the wires or strands in the ?nished rope
will'have proper position and uniform ‘tension
corresponding to their tension when the rope is
under its normal operating tension. The helix
of the wires or strands as they leave the internal
mandrel preferably will be slightly shorter than
the helix in the rope. It is entirely practicable
to form and lay the wires or strands to a helical
curve that will conform or bear such relation
to the helical curve of the wires or strands in the
rope, that the desired curve will be retained in
the ?nished rope, and the rope will be straight
and have no tendency to twist or unwind. The
function of the squeezer I5 is to prevent a ro
tating tendency as the rope passes to the draw
case for
different rope lays and provided with wire or
strand passages of the proper angle.
The internal mandrel consisting of the series
of discs or plates is much preferable to the sin
'
gle plate construction, especially for high ten
sion ropes and in cases in which the rope is to
be so formed that the strands or wires will main
tain the helix desired in the ?nished rope and
not tend to twist or unwind, as this result re
quires the guiding of the strands or wires in hel
ical grooves of a considerable length. It is ‘very
difficult to form helical passages of the desired
length accurately in a single plate or block.
With the single plate, however, the uniform ten
sion and most of the other advantages of the
invention, may be secured, and it is possible to
vary the helix in closing by adjusting the dis~
tance of the closing plate from the mandrel,
thus varying as desired the helix formed on the
mandrel, which preferably is on a larger angle
than the helix in the ?nished rope. The distance
of such closing plates from the mandrel may be
varied readily by interchangeable hollow spacers
in head 0 between the closing plate b7 and the
mandrel, locked in position by cap 01 as in the
case of the discs b1 to b". ‘
Such constructions are shown in Figs. 10, 11
and 12. In Fig. 10 the spacer consists of a block
33 extending between the plate b1 forming the
collar on the mandrel, and the plate b7, this '
block 33 being formed so as to guide the strands
or wires in passing from the mandrel nose a’
and aid in closing the rope. In Fig. 11 the spacer
is formed of a simple cylinder 33' extending be—
tween the plates b1, b7, and having no function 60
in forming the rope except to space the plates
b1, b7 properly. In Fig. 12 the spacer consists
of a block 34, similar to block 33 but formed to
provide also the plate 171, which in the other con
structions is formed by the collar on the man
drel. This construction shown in Fig. 12 is es
pecially desirable for simplicity and cheapness
of manufacture, the mandrel being formed with
out the collar and simply as a tube turned down
at the end to form the nose. The block 34 with 70
the plate b1 is very simple and cheap to manu
facture while the integral mandrel and collar of
the other constructions is expensive to manu
facture.
_
In all of the constructions above described, the 75
9,105,888
4
nose a’ of the mandrel forms the interior guide
1 strands are wrapped helically, in combination
withv means for drawing the wires or strands
along the mandrel, and a rope closing mandrel
forv the strands or wires as they pass through
the grooves of the internal mandrel, and this is
the preferred construction, as a better control
of the strands or wires prior to closing is thus
formed with helical converging passages receiv
ing the wires or strands from the tension man
drel.
secured; while at the same time the construction
is simpler and cheaper to manufacture. The
mandrel may be formed without the guiding nose,
however, and the internal mandrel be formed by
10 helical holes through the plates b1, 1;", so that
the inner and outer walls of these holes guide
.
6. In a wire strand or rope making machine, a
tensionmandrel about which the wires of strands
are wrapped helically, in combination with means
for drawing the wires or strands along the man 10
drel, a rope closing mandrel formed with helical
converging passages receiving the wires or strands
from the tension mandrel, and means for adjust
the strands or wires.
Such a construction is
shown in Figs. 13, 14, in which the internal man
drel is formed by‘ holes ‘i drilled through the
ing the relative rotary positions of the tension
plates b1 to b", coming to the inner surface of the
center bore in the last plate b‘, in place of the
mandrel and passages.
grooves 5 around the center bore in the con
strands are wrapped helically, in combination
structions previously described.
.
15
7. In a wire strand or rope making machine,
a tension mandrel about which the wires or
In this con
with means for drawing the wires or strands
along the mandrel, and a rope closing mandrel 20
struction, as well as in the ‘groove construc
tion previously described, the-passages through
the discs theoretically would ‘be drilled at varl-i
consisting of a series of superposed plates formed
with passages open on their inner side, the pas
sages of the series of plates forming helical con
verging guides' receiving the wires or strands 25
from the tension mandrel.
8. In a wire strand or rope making machine, a
tension mandrel about which the wires or strands
able angles but in practice it will always or
, usually be satisfactory to drill the holes through
the discs on the same angle and use larger or
25 smaller counterbores in each disc for securing the
variable angle effect.
While the invention has been illustrated in a
construction embodying all its features in the
form now preferred by me, and certain modi?ca
30 tions thereof, it will be understood that the in
are wrapped helically, in combination with means
for drawing the wires or strands along the man
drel, a rope closing mandrel consisting of a
series of superposed plates formed’ with passages
vention is not limited to the specific construc- 4 open on their inner side, the passages of the series
tions or arrangement of parts shown, but that
of plates forming helical converging guides re
many modi?cations other than those shown or
describedmay be made by those skilled in the
35 art, while retaining the invention de?ned by the
ceiving the wires or strands from the tension
mandrel, and a tapering end on the mandrel _,
extending within the passages and forming an
claims.
What is~claimed is:
inner guide forthe wires or strands.
‘ '9. In a wire strand or rope making machine,
1. In a wire strand or rope making machine, a
a tension‘ mandrel about which the wires or
tension mandrel about which the wires or strands strands are wrapped helically, in combination
40 are wrapped helically, in combination with ad ' with means for drawing the wires or strands
justable means for varying the angle of the along the mandrel, and a rope closing mandrel
wires or strands on the mandrel, means for draw
consisting of a series of superposed discs formed
with passages and mounted to rotate independ
ently of each other for adjustment, the passages
of the series of discs forming helical converging
guides receiving the wires or strands from the
ing the wires or strands along the mandrel, and
strand or rope closing means.
-
2. In a wire strand or rope making machine, a
45
tension mandrel about which the wiresor strands
are wrapped helically, in combination with means
for drawing the wires or strands along the man
tension mandrel.
-
a tension mandrel about which the wires or 50
strands are wrapped helically, in combination
strand guide rotatable with the mandrel and
50
_
10. In a wire strand or rope m king machine,
drel, strand or rope closing means, a wire or
through which the wires or strands pass from
the mandrel and means for adjusting the man
drel and guide by ‘rotation to vary the helix.
with means for drawing the wires or strands
along the mandrel, a rope closing mandrel con
sisting of a series of superposed discs formed
3. In a wire strand or rope making machine, a with passages and mounted to rotate independ
rotating head carrying a tension mandrel about ‘ ently of each other, the passages of the series
which the wires or‘ strands‘ are wrapped helically,
in combination with means for drawing the wires
of discs forming helical converging guides re
ceiving the wires or strands from the tension
mandrel, means for locking the discs in position
after adjustment by rotation, and means for ro
, or strands along the mandrel, strand or rope clos
to
ing means, a wire or strand guide rotatable with
the mandrel and through which the wires or
strands pass from the mandrel, and means for
tating the discs and mandrel together for ad
justment.
adjusting the mandrel and guide by rotation to
vary the helix.
'
4. In a wire strand or rope making machine,
a tension mandrel about which the wires or
- strands are wrapped helically, in combination
with means for drawing the wires or strands
along the mandrel, and a rope closing mandrel
formed with guides receiving the wires or strands
70 from the tension mandrel, said tension mandrel
having a tapering end within the rope closing
guides forming an interior guide for the wires or
strands.
5. In a wire strand or rope making machine,
75
a tension mandrel about which the wires’or
»
11. In a wire strand or rope making machine,
a tension mandrel about which the wires or
strands are wrapped helically, in combination 65
with means for drawing the wires or strands
along the mandrel, a rope closing mandrel con
sisting of a series of superposed plates formed
with passages, the passages of- the series of plates
forming helical converging guides receiving the 70
wires or strands from the tension mandrel, and
adjusting means for rotating the series of plates
and mandrel.
~
12. In a wire strand or rope making machine,
a rope closing mandrel consisting of a series of 75
2,105,888
superposed plates formed with passages, the pos
sages of the series of plates forming helical con
verging guides for the wires or strands.
13. .In a wire strand or rope making machine, a
, rope closing mandrel consisting of a series of
superposed discs formed with passages, said discs
being mounted to rotate independently of each
other for adjustment, the passages of the series
of discs forming helical converging guides for the
10 wires or strands.
.
14. In a wire strand or rope making machine, a
rope closing mandrel consisting of a series of
superposed discs formed with passages, said discs
being mounted to rotate independently of each
15 other for adjustment, the passages of the series
of discs forming helical converging guides for
the wires or strands, in combination with means
20
for locking the discs together vafter rotary ad
justment relatively to each other.
15. In a wire strand or rope making machine, a
rope closing mandrel consisting of a series of
superposed discs formed with passages, said discs
being mounted to rotate independently of each
other for adjustment, the passages of the series
25
of discs forming helical converging guides for
the wires or strands, in combination with means
for locking the discs together after rotary ad
justment relatively to each other, and means for
'30 rotating the series of discs for adjustment.
16. In a wire strand or rope making machine, a
rope closing mandrel consisting of a series of
superposed plates formed with passages, the pas
sages of the series of plates forming helical con
35 verging guides receiving the wires or strands, in
combination with adjusting means for rotating
the series of plates as a unit.
closing plate and mandrel together after adjust
ment, and means for rotating the mandrel and
plate as a unit for adjustment.
,
22. Smooth mandrel a formed with collar b’
having helical passages about the mandrel.
5
23. Mandrel a. formed with collar b’ having
helical passages about the mandreL'andtapering
end it’ beyond the collar.‘
'
24.» A machine for fabricating a stranded wire
structure of the type composed of wire compo 10
nents laid in helical relation around a longitudinal
axis, said machine being characterized by means
to shape the unformed stock components into
helices including a mandrel on which the wire
.components are wound helically, means to feed 15
said stock components to said helix-forming
means while permitting relative rotation as be
tween the unformed portion of each component
and the forming means, and means to lay said
helically formed portions around the axis of the 29
composite structure as they emerge from the
forming means.
'
25. A machine for fabricating stranded wire
structure oi the type composed of a plurality of
wire components laid in helical relation around a 25
longitudinal axis, said machine comprising a
rotatably mounted frame, a plurality of helix
forming dies acting successively on the wire com
ponents and including a mandrel upon which the
wire components are wound helically,°wire sup
ply carriers each of which is mounted eccentrical
ly in said frame for rotation on a primary axis
for the delivery of wire and on a secondary axis
approximately at right angles to said primary
axis, mechanism for drawing wire from said car-‘
riers concurrently through said dies and thence
17. In a wire strand or rope making machine, ; into converging relation, said mechanism being
the combination with mandrel a, of plate e ad
adapted to take up the said ?nished structure
40 justable longitudinally of the mandrel and having
wire or strand guides disposed substantially cir—_
cularly and symmetrically about the axis of the
mandrel, and removable guide f on plate e'from
which the wires or strands pass about the man
45
drel.
,
18. In a strand or rope making machine, a
series of discs 1)’, b2, etc. having a central bore
for the rope center and having grooves about
the bore forming converging helical guides for
the wires or strands, and mandrel a having taper~
ing end a’ from which the wires or strands pass
to the grooves.
‘
‘
19. In a strand or rope making machine, a ten
sion mandrel a about which the wires or strands
are wrapped, in combination with rope closing‘
plate b7 having converging helical guides for the
without rotating the same on its longitudinal axis,
and means operating to so controlthe angular 40
position of each of said carriers on its said sec
ondary axis as to cause relative rotation in 0p
posite directions between each of said components
and said dies, said relative rotation amounting
to approximately one turn of each component 45
for each revolution of the die acting thereon.
26. A machine for fabricating stranded wire
structure of the type composed of a plurality of
wire components laid in helical relation around
a longitudinal axis, said machine comprising a 50
rotatably mounted frame, wire supply carriers
each of which is mounted eccentrically in said
frame, for rotation’ when delivering wire, on an
axis lying in a plane substantially normal to the
axis of rotation of the frame and each of which
Wires or strands, and spacing means for ?xing
is also mounted rotatably in the frame on a
_ the distance between the mandrel and closing
secondary axis substantially normal to said plane,
a plurality of helix-forming dies acting succes
plate.
60
20. In a strand or rope making machine, ten
sion mandrel a about which the wires or strands
are wrapped, in combination with rope closing
plate b7 having converging helical guides for the
Wires or strands, said plate being rotatable rela
tively to the mandrel for adjustment, and spac
ing means for ?xing the distance between the
mandrel and closing plate.
sively on the wire components and including a
mandrel upon which the wire components are 60
wound helically, mechanism for drawing wire
from said carriers concurrently through said dies
and thence into converging relation, said mech
anism being adapted to take up the said ?n
ished structure without rotating the same on 65
its longitudinal axis, and means for so controlling
the angular position of each of said carriers on
21. In a strand or rope making machine, ten
sion mandrel a about which the wires or strands its secondary axis as to cause such carrier to
are wrapped, in combination with rope closing rotate on said secondary axis relatively to the
plate b7 having converging helical guides for the' dies in a direction opposite the direction of rota 70
tion of said dies and to an extent approximately
wires or strands, said plate being rotatable rela
one such opposite rotation of the carrier to each
tively to the mandrel for adjustment, spacing full
turn of the die.
means for ?xing the distance between the man~
27.
A machine for fabricating stranded wire
drel and closing plate, means for locking the
structure of the type composed of multiple stress 75
3,105,888
6
tree components laid in helical relation around
a core, said machine comprising a rotatable
frame, a plurality of bending devices mounted
concentrically in said frame and adapted to
bend said components as they pass therethrough
into the permanent helical form which they are
to possess in the structure while said bending
devices and said-components are rotating rela
tively to each other, said bending devices in
10 cluding an external mandrel and an internal
mandrel having circularly disposed helical guid
ing passages cooperating with said external man
drel to form the components into helices, mech- -
anism for forcing the said components through
said bending devices, and mechanism for caus
ing said relative rotation and for imparting a
planetary motion to the heiically formed por
tions emerging from said bending devices for
laying the said helically formed portions into
’
20 the completed structure.
28. In a wire strand or rope making machine,
and in combination, a source of supply of a plu
rality of wires or strands, strand or. rope clos
ing means, a pull-off, a tension mandrel between
' said source of supply and closing means and
tapered toward the source of supply, and means
for applying said wires or strands to said man
drel in similar helices disposed substantially sym
30
metrically about a common axis.
29. In a wire strand or rope making machine,
andin combination, a source of supply of a plu
rality of wires or strands, strand or rope clos
ing means, a pull-o?, a tension mandrel between
said source of supply and closing means and
> means for applying said wires or strands to said
mandrel in similar helices disposed substantially
symmetricallyr about a. common axis, said ap
plying means being adjustable for varying the
number of wraps of the wires or strands on the
40 mandrel.
30. In a wire strand or rope making machin',
' and in combination, a source of supply of a plu
rality of wires or strands, strand or rope clos
ing means, a pull-off, a tension mandrel between
said source of supply and closing means, means
for adjusting the distance between said mandrel
and closing means, and means for applying said
wires or strands to said mandrel in similar helices
disposed substantially symmetrically about a
50 common axis, said applying means being adjust
able for varying the number of wraps of the
wires or strands on the mandrel.
.
31. In a wire strand or rope making machine,
and in combination, a source of supply of a plu
C41 Or rality of wires or strands, strand or rope clos
ing means, a pull-01f, a tension mandrel between
and means for rotatively adjusting said guide
members about their axes, one with relation to
the other to any desired extent, including a full
turn or more.
33. A stranding and closing head for shaping
a plurality of wires or strands of a stranded wire
structure into the approximate form each will
assume in the structure, said head comprising
guide members through which the strands or
wires pass and are maintained separated, said 10
members being spaced from each other and be
tween which members the individual strands or
wires are formed into helices, a core extending
across‘the space intermediate the said members
and about which core the strands or wires are
wound, means for advancing the strands or wires,
and means for rotatively adjusting said guide
memmrs about their axes, one with relation to
the other.
34. A stranding and closing head for shaping 20
a plurality of wires or strands of a stranded wire
structure into the approximate form each will
assume in the structure, said head comprising
guide members through which the strands or
wires pass, said members being spaced from each 25
other and between which members the individ
ual strands orwires are formed into helices, a
core extending across the space intermediate the
said members and about which core the strands
or wires are wound, and means for advancing 30
the‘ strands or wires.
35. A stranding and closing head for shaping
a plurality of wires or strands of a stranded struc
ture into the approximate form each will assume
in the assembled structure, the said head em
bodying spaced guide members through which
the wires or strands are passed, a forming core
extending across the space between said mem
bers, means for rotating the head to form the
strands into helices about the said core, a rope
core separate from the ?rst said core, the strands
or wires being laid around said rope core after
leaving the ?rst said core, and means for rela
tively adjusting said members one toward and
away from the otherto vary the length of the
helices.
,
36. A stranding and closing head for shaping
a plurality of wires or strands of a stranded wire
structure into the approximate form each will as
sume in the ?nished structure, said head com 50
prising spaced members between which the in
dividual strands or wires are formed into helices,
a core stationary with respect to said members
and extending across the space therebetween and
about which core the strands or wires are wound
as the strands are advanced, and means for ro
said source of supply and closing means, and > tating said members.
means for applying said wires or strands to said
mandrel in similar helices disposed substantially
60 symmetrically about a‘. common axis, including
a closing mandrelformed with separate guides
for receiving the respective wires or strands from
said tension mandrel.
32. A stranding and closing head for shaping
65 a plurality of wires or strands of a stranded wire
structure into the approximate form each will
37. A stranding and closing head for shaping
a plurality of wires or ‘strands of a stranded wire
structure into the approximate form each will 60
assume in the ?nished structure, said head com
prising spaced members between which the indi
vidual strands or wires are formed into helices,
a core stationary with respect to said members
and extending across the space therebetween and
about which core the strands or wires are wound
. assume in the structure, said head comprising _ as the strands are advanced, means for rotating
guide members through which the strands or
wires pass and are maintained separated, said
70 members being spaced from each other and be
tween which members the individual strands or
wires are formed into helices, a core extending
across the space intermediate the said members
and about which core the strands or wires are
75 ‘ wound, means for advancing the strands or wires,
.said members, a, ?nal or rope core separate from
the ?rst said core and about which ?nal core
the strands are wound, andmeans for axially
and ?xedly adjusting-one of said members with
relation to the other for varying the number of
turns of the strands about the stationary core.
38. A stranding and closing head for shaping
a plurality of wires or strands of a stranded wire
.
2,105,838
7
structure into the approximate form each will
the last said means also operating to
assume in the ?nished structure, said head com-“1 members,
control the number of twists around the core ,
prising spaced members between which the in
between said members.
_
dividual strands or wires are formed into helices,
'43.
A
stranding
and
closing
head
for shaping
a- core stationary with respect to said members
and extending across the space therebetween and a plurality of wires or strands of a stranded wire
about which core the strands or wires are wound
as the strands are advanced, means for rotating
said members, a ?nal or rope core separate from
10 the ?rst said core and about which ?nal core the
strands-are wound, means for axially and ?xed
ly adjusting one of said members with relation
' to the other for varying the number of turns of
structure into the approximate form each will
assume in the ?nished structure, said head com
prising spaced members between which the indi-.
vidual strands or wires are formed into helices,
a core extending across the space between said
members and about which core the strands.
or wires are wound as the strands advance,
the strands about the stationary core, and means means for rotating said members to wind
for adjusting the members toward and away from ' the strands with respect to the said core and for
each other to vary the length of the lay of the again winding‘ the strands about a rope core 15
beyond the said members, means for axially ro-'
strands about said stationary’ core.
_
39. A stranding and closing head for shaping tating one of the members with respect to the
aplurality of wires or strands of a strandedwire other to initially wind the strands about the core
20 structure into the approximate form each will
between said members, the last said means also
operating to control the number of twists around 20.
assume in the ?nished structure, said head com
prising spaced members between which the in the core between said members, and means for
dividual strands or wires are formed into helices, adjusting the members towards and away from
each other to vary the extent or length of lay of ‘
a removably supported core stationary with re
spect to said members and extending across the the strand wrapped or wound about the core be
space therebetween and about which core the tween said members.
25
44. In the process of making wire strand or
strands or wires are wound as the strands are
advanced, and means for rotating said members. rope characterized by the laying up. of compo
40. A stranding and closing head for shaping nent wires or strands helically about a core by im
30
a plurality of wires or strands of a stranded wire parting motion 01 translation and planetary rev
structure into the approximate form each will olution to said component wires or strands with 30
reference to a common axis, the method of pre
assume in the finished structure, said head com
iorming the said component wires or strands
prising spaced members between which the in
dividual strands or wires are formed into helices, into substantially the helical form they are to
35 a core stationary with respect to said members have in the ?nished strand or rope which com
and extending across the space therebetween and prises applying the said component wires or
about which core the strands or wires are wound strands helically about a mandrel having-its axis
as the strands are advanced, means for rotating coincident with the said axis and drawing the
said members, and means for rotating at will one said component wires or strands off the said
mandrel under tension su?iicent to preform them
of said members with respect to the other ‘to in
into the said helices before laying them up about 40
itially wind or lay the individual strands pr wires the
core.
‘
about the said core between said members.
I
45. In the process of making wire strand or
a plurality of wires or strands of a stranded‘ wire rope characterized by the laying "up oi compo
45 structure into the approximate form each will as
nent wires or strands helically about a core by
sume in the ?nished structure, said head com- - imparting motion of translation and planetary
prising, spaced members between which the‘ in- ' revolution to said component wires or strands
dividual strands or wires are formed into helices, with reference to a common axis, the method oi.’
a core extending across the space between said preforming the said component wires or strands
50 members and about which core the strands or intov ‘substantially ‘the helical form they‘areI-to
41. A stranding and closing head for shaping
‘wires are wound asthe strands advance, means ' have in the ?nished strand or rope which com
for rotating said members to wind the strands prises applying the said component wires or
with respect to the said core and for again wind
strands helically about a mandrel having its axis '
ing the strands about a rope core beyond the said
members, and-means for axially rotating one of.
the members with respect to the other to in‘
said component wires or strands o? the said
mandrel over a rounded nose under tension sunl
itially wind the strands about the core between
said'members.
19
-
.
,
coincident with the said axis and drawing the
1
cient to preform them into the said helices be
fore laying them up about the core._
. 46. In the process 01' making wire strand or
42. A stranding and closing head for shaping
a plurality oi’ wires‘or strands of a stranded wire rope characterized by the laying up 01 compo
structure into the approximate‘ form each will nent wires or strands helically about a core by 60
assume in the ?nished structure, said head com . imparting motion of translation and planetary ,
revolution to said'component‘wires or strands
‘Wiring spaced members between which the in
dividual strands or wires are formed into helices, with reference to a commonaxis, the method of
a core extending across the space between said preforming the said component wires or strands
members and about which core the strands‘ or into. substantially the helical form they are to cs
have in the ?nished strand or rope which com
wires are wound as the strands advance, mean: prises
drawing the sald component wires. or
for rotating said mem rs to-wind the strands
with respect to the said core and for again wind - strands over a rounded mandrel nose which holds
in: the ‘strands about a rope core beyond the said them apart, and then pressing them together to
members, and means for axially rotating one of close the strand or rope under tension su?lcient
to preform them into the said helices before lay
the members with respect to the other to initial
_
'
ly wind the strands about the core between said ing them up about the core. '
‘
CHARLES C. SUNDERLAND.
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