Improvements in Apparatus to be used in the Manufacture of Wheels and Pulleys or the like.
Year: 1897

page_text: Improvements in Apparatus to be used in the Manufacture of
Wheels and Pulleys or the like.
I, WILLIAM MALAM, of 911, Ashton Old Road, Fairfield, near Manchester, in
the County of Lancaster, Engineer, do hereby declare the nature of this invention
to be as follows:
This invention relates to apparatus to be used in the manufacture of wheels and
pulleys, and articles of similar formation, from a metal disc upon the edge of which
the rim of the wheel or pulley is upset by pressure.
The invention consists of means for clamping the disc firmly at the centre
between two circular dies the outer edges of which are so shaped as to form a
circumferential groove of the section required for part of the rim of the wheel, which
is completely formed by a series of rollers arranged around the said disc and caused
to gradually approach the centre thereof, so that as the disc is revolved, or (pre-
ferably) as the rollers are carried around the edge of the disc, they will upset the
metal at the edge of the disc which is held straight by suitable guide rollers and
thus the rim of the wheel is gradually formed thereon.
I prefer to construct the apparatus as follows;-
Upon a suitable fixed bed plate or frame I mount an annular frame carrying a
series of upsetting rollers upon vertical spindles, and also another series of pairs
of guide rollers preferably conical, and so mounted that they can grip the edge
of a metal disc held concentric with the centre of the annular frame aforesaid
between two circular clamping plates the peripheries of which together form a
circumferential die into which the edge of the said metal disc can be forced as
hereafter described.
The upsetting rollers first named are mounted in blocks or brackets capable of
moving in slides nearer to or further from the centre, and the blocks or brackets
are provided with nuts through which work adjusting screws
which are
gradually rotated to move the said blocks or brackets nearer to or further from
the centre of the metal disc against the edge of which the said upsetting rollers
act; and owing to the rotary motion of the annular frame (or the die plates) the
said rollers as they approach the centre will squeeze up or upset the edge of the
metal disc until it is forced into the die formed by the edges of the plates which
hold the central part of the disc.
The guide rollers above named are preferably conical and are arranged in suitable
blocks, one of each pair being above the outer edge of the disc and the other below
the said disc in order to prevent the latter from bending while its edge is upset.
Their blocks are adjustable vertically say by right and left handed screws or other
suitable device, so that as the edge of the disc is thickened by the upsetting process

page_text: they recede from each other, leaving a wider space between the rollers to correspond
with the thickened edge of the disc.
The bracket which carries each pair of blocks and rollers can be moved away
from the centre of the die plates to allow of the insertion of a fresh disc of metal (or
when otherwise requisite) by means of a link and lever, or other suitable device.
I prefer to make the annular frame rotate and I provide the adjusting screws of
the guide rollers and upsetting rollers with suitable means for turning the said
screws as the frame rotates. The frame may be rotated by bevel gear.
Other combinations of mechanism may be employed so long as the principle of
construction first above mentioned are adhered to.
Dated this 2nd day of March 1897.
GEO. DAVIES & SON,
Agents for the Applicant, 4, St. Ann's Square, Manchester.
Improvements in Apparatus to be used in the Manufacture of
Wheels and Pulleys or the like.
I, WILLIAM MALAM, of 911, Ashton Old Road, Fairfield, near Manchester, in
the County of Lancaster, Engineer, do hereby declare the nature of this invention
and in what manner the same is to be performed to be particularly described and
ascertained in and by the following statement:-
This invention relates to apparatus to be used in the manufacture of wheels and
pulleys, and articles of similar formation, from a metal dise upon the edge of which
the rim of the wheel or pulley is upset by pressure.
The invention consists of means for clamping the disc firmly at the centre
between two circular dies the outer edges of which are so shaped as to form a
circumferential groove of the section required for part of the rim of the wheel, which
is completely formed by a roller or a series of rollers arranged around the said
dise and caused to gradually approach the centre thereof, so that as the disc is
revolved, or (preferably) as the rollers are carried around the edge of the disc,
they will upset the metal at the edge of the disce which is held straight by suitable
guide rollers and thus the rim of the wheel is gradually formed thereon.
The invention will be readily understood on reference to the accompanying
drawings.
Figs. 1 and 2 are elevations, and Fig. 3 a plan (in section at A-B Fig. 2), of a
machine for the above purpose made according to my invention. This machine,
which I prefer to use, is constructed as follows:-
Upon a suitable fixed bed plate or frame a I mount an annular or circular
frame b carrying an upsetting roller or a series of upsetting rollers cupon vertical
spindles cand also another series of pairs of guide rollers d, preferably conical as
shewn, and so mounted that they can grip the edge of a metal disc (shewn dotted
at a) held concentric with the centre of the annular or circular frame b aforesaid
between two circular clamping plates of f¹ the peripheries of which together form a
circumferential die into which the edge of the said metal disc can be forced as
hereafter described and as shewn at Fig. 2.
The plate is shewn at Fig. 2 held down on the disc by the hydraulic ram fx;
but other known means for clamping the plates f f¹ and the disc together would
be adopted if these parts are rotated, and the frame b is fixed.
x
capable
The upsetting rollers c first named are mounted in blocks or brackets c
of moving in slides nearer to or further from the centre, and the blocks or

page_text: brackets c* are provided with nuts e* through which work adjusting screws ³ which
are gradually rotated to move the said blocks or brackets c* nearer to or further
'from the centre of the metal disc against the edge of which the said upsetting
rollers c act; and owing to the rotary motion of the circular or annular frame b (or
the die plates if they revolve instead of the frame b) the said rollers as they
approach the centre will squeeze up or upset the edge of the metal disc æ until it
is forced into the die formed by the edges of the plates f f which hold the central
part of the disc, the edge of which will then assume the form shewn at a Fig. 1.
The guide rollers d above named are preferably conical and are arranged in
suitable blocks or bearings e, one of each pair being above the outer edge of the
disc and the other below the said disc in order to prevent the latter from bending
while its edge is upset. Their blocks may be adjustable vertically say by right and
left handed screws or other suitable device, so that as the edge of the disc is
thickened by the upsetting process they recede from each other, leaving a wider
space between the rollers d to correspond with the thickened edge of the disc .c. I
find it sufficient however to make the rollers d conical as shewn so that as the
edge of the disc is thickened it approaches the centre and finds more space
between the coned rollers d, which only require adjustment at the commencement
of the operation.
The bracket e¹ which carries each pair of blocks e and rollers can if necessary
be moved away from the centre of the die plates f f¹, to allow of the insertion of a
fresh disc of metal (or when otherwise requisite) by means of a link and lever,
or by a screw e2 and suitable handle or hand wheel, or other suitable device.
I prefer to make the circular or annular frame 6 rotate as shewn, and I provide
the adjusting screws 3 of the upsetting rollers c with suitable means hereafter
described for turning the said screws as the frame 6 rotates. The frame b may
be rotated by the bevel wheel 62 and the pinion 3 on the driving shaft b*.
The fixed plate bed a is provided with a circular track at around which the
pulleys b¹ carried by the frame b travel, and the said pulleys 61 are thereby rotated.
The pulleys 6 actuate their shafts 65 (see detached horizontal section Fig. 1^)
and worms or screws 66 thereon, and the worms 66 through the worm wheels 67 bevel
gear 68 thus actuate the screws 3 as the frame rotates.
The track a is preferably carried on levers a² and counterbalanced by weights a³
and when it is desired to actuate the screws the track is moved by the lever a
up or down according to the direction in which the screws are to be rotated, so as
to bring the upper or lower part of the track a¹ in contact with the pulleys b¹ and
thus move the rollers e inwards or outwards as required, and the sliding motion of
the upsetting roller or rollers can be arrested at any desired moment or moments
without stopping the rotation of the frame b.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what I
claim is:-
1. Apparatus to be used in the manufacture of wheels and pulleys and the like
consisting of the combination of two circular plates clamping the disc of which the
wheel is to be formed, the outer edges of the said plates being so shaped as to form
together a circumferential groove of the section required for part of the rim of the
wheel, with a roller or rollers carried by a rotating frame and bearing against the
edge of the disc and being caused by suitable mechanism gradually to approach
the centre of the said disc and to roll or upset the required flange thereon as the plate
carrying the upsetting roller or rollers rotates around the disc and clamping plates,
substantially as hereinbefore described and illustrated by the annexed drawings.
2. Apparatus to be used in the manufacture of wheels and pulleys and the like
consisting of the combination of two circular plates, clamping the disc of which the
wheel is to be formed, and rotated by suitable mechanism, the outer edges of the said
plates being so shaped as to form together a circumferential groove of the section
required for part of the rim of the wheel, with a roller or rollers bearing against

page_text: the edge of the disc and being caused by suitable mechanism gradually to approach
the centre of the said disc as the latter revolves and to roll or upset the required
flange thereon substantially as herein before described and illustrated by the
annexed drawings.
Dotad the 2nd day of Dagomban 1807
GEO. DAVIES & SON,
Agents for the Applicant, 4, St. Ann's Square, Manchester.