US965032A

US965032A - Manufacture of wheels.

Info

Publication number: US965032A
Application number: US34642006A
Authority: US
Inventors: Edwin E Slick
Original assignee: Individual
Current assignee: Individual
Priority date: 1906-12-05
Filing date: 1906-12-05
Publication date: 1910-07-19
Anticipated expiration: 1927-07-19

Description

B. B. SLICK.

MANUFACTURE OF WHEELS.

APPLICATION FILED DBO. 5, 1906.

Patented July 19,1910.

WITNESSES 's (m ls operation.

EDWIN E. SLICK, 0F PITTSBURG, PENNSYLVANIA.

MANUFACTURE OF WHEELS.

Specification of Letters Patent.

Patented July 1%, i310.

Application filed December 5, 1906. Serial No. 3%,420.

To all whom it may concern:

Be it known that I, EDWIN E. SLICK, of Pittsburg, Allegheny county, Pennsylvania, have invented a new and useful Improvement in the Manufacture of Wheels, of which'the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specification, in. which the figure is a partial sectional plan view illustrating one form. of apparatus for carrying out my in vention.

My invention relates to the manufacture of wheels, particularly wheels having a continuous web joining the hub and rim, 'as in the case of steel car wheels.

The object of the invention is to reduce the number of operations .in forming steel car wheels, to cheapen the product, and increase the output.

The main feature of my invention lies in simultaneously forging the wheel body or web, and rolling the rim to substantially its final form.

The invention further consists in rolling the forging dies during the operation of forging and rolling the rim; also in carrying out the forging operation at one side only of the wheel during the rotation; and further in the steps and combinations hereinafter described and claimed.

In the drawings, in which I show a preferred form of apparatus for carrying out my invention, 2 represents a circular forging die removably secured to a head '3 which may be formed as part of a hydraulic plunger, a screw, or a shaft supported in stationary bearings. Th s die is preferably provided with a central punchor pin 4 by which the blank is centered to the hole formed inthe hub and bodily movement of the blank relative to the die 2 is thereby prevented; or-it may be employed without any such punch, and the punching operation may be carried out either before or after this In either case, the die 2 is r0- tatably mounted. The opposite die 5 is rotatably mounted with its axis at a slight angle to the axis of the die 2, and its inner forming face is properly shaped so that at one side it will properly 'coa'ct with the die 2 to forge and press the metal of the web and hub to the desired shape. The die 5 is also preferably removably secured on a head or support 6 which may be carried on a rotary stem or a hydraulic plunger or other suitable carrier.

One or bothof the dies may be employed to carry out the forging operation, and for this purpose may be forced toward the other die by a hydraulic cylinder, by a screw, a wedge mechanism, carrying sufficient pressure thereto to carry out the forging operation. Pressure may be applied to both sides if desired;

I prefer to positively rot-ate both dies during the forging operation through suitable gearing or driving connections. Une of the dies may, however, be rotated by friction with the metal operated upon.

7 is a grooved-forming roller having collars 8, 8 with the body between the collars, and suitably shaped to give the desired form to the rim portion of the wheel. The form of this roller may be varied in many ways without departing from my invention, for example, the dies 2 and 5 may be extended outwardly to inclose or partially inclose the metal acted upon by the roller; and the shape of the roller and the dies maybe varied in many ways in this regard.

The roller 7 is rotatably mounted in suitable bearings, and these hearings may be adjusted to bring the roll closer to or farther from the dies. The bearings may also be carried on an adjustable support or carrier, and this support or carrier may be provided with a pressure device such as a hydraulic cylinder, a screw, or other means for forcing the roller toward the dies. This pressure or any suitable device for device is not necessary however, for the roller inasmuch as the forging pressure on the die or dies forces the metal outwardly against the shaping roller.

In carrying out my process, the steel blank which may be either cast or of forged metal, or formed from a rolled slab, and either solid or punched at the center, is placed between the dies, one of which is retracted for this purpose. Pressure is then applied to the support or carrier of one or both of'the dies, and the driving connections start the dies into rotation. The pressure applied to the die or dies is made sufficient to reduce the web portion and shape the hub, the metal being elongated radially during this reduction, and thus forced outwardly against the forming roller. As the operation continues, the web becomes reduced in thickness, and the metal is forced I to the manufacture of stricted to the manufacture of wheels alone.

out into the tread and flange portions to shape them by the forming'roller. A cen tering pin 4: which acts as a punch may be used on one of the dies which will partly punch the hole in the hub during the forging operation; or the blank may be previously punched, in which case the pin 4:

may be employed to center the blank during the forging and rolling operation; or the I 10 r employed for cular contour,

The advantages of my invention result I from the simultaneous forging of the blank and imparting pressure to and rolling of its rim portion to shape. The number of steps and the number of handlings of the blank are thus greatly reduced, and the operations if desired can easily be carried out at one heat. Owing to the ressure being applied at one portion 0 the blank only, in the preferred form, the forging operation may be more easily carried out, and with lower pressure than if the pressure were applied through all portions of the blank simultaneously. The angular position of the dies relative to each other also enables the metal to flow more freely, while therotating tends to distribute the metal evenly throughout the section and presents the successive portions of the rim to the forming roller.

By properly shaping the dies, ribs may be'formed upon either or both faces of the web during the forging operation, thus allowing a reduction in the weight of the wheel by allowing a thinner web to be employed. One of the dies may be stationary and the other die may be rocked in such a manner that the axis of its shaft describes a cone whose apex is toward the blank, thus forging the successive port-ions of the blank,

as the one die rocks around it.

Many other variations may be made in the shape and arrangement of the forging dies, the shaping roller, the means for rotating the dies, etc., without departing from the spirit and scope of my invention.

I claim 2-- 1. The method of forming wheels consisting in rolling the blank between rotating forming surfaces on the ends of shafts Whose axes extend at an angle to each other, keeping the axis of the blankparallel with that of one of said forming surfaces, applying for ing premure through at-l east one of sai surfaces to reduce successive portions of the web -and shaping the radially adjoining rim portion of the blank with a shaping roller; substantially as described.

keeping the axis of the blank parallel to eeaoae 2. The method of forming wheels consisting in rolling the blank between rotating forming surfaces on the ends of shafts whose axes extend at an angle to each other,

one of said forming surfaces and rolling the rim portion tothe desired form with a shaping roller; substantially as described.

3. The method of forming wheels consisting in rolling the blank between rotating:

forming surfaces on the ends of shafts whose axes extend at an angle to each other,.keeping the axis of the blank parallel with that of one of said forming surfaces, applying forging pressure through at least one of said surfaces to reduce successive portions of the web and shaping the rim of the blank vwith a shaping roller; substantially as described.

4. The method of forming wheels consisting in rolling the blank between rotating forming surfaces on the ends of shafts whose axes extend at an angle to each other, keeping the axis of the blank parallel with that of one of said forming surfaces, advancing the forming faces toward each other to reduce the thickness of successive portions; of

the Web and shaping the rim portion of the blank with a shaping roller; substantially as described. i p

5. Apparatus for forming wheels come prising relatively movable rotary formin dies on the ends of shafts whose axes exten at an angle to each other and a shaping roller whose axis is parallel with the axis of 100 one of said dies arranged to act on the rim portion of the blank; substantially as described.

6. Apparatus for forming wheels comprising relatively movable rotating forming 105' dies on the ends of shafts whoseaxes extend at an angle to each other, and a flanged shaping-roller whose axis is parallel with the axis of one of said dies arranged to act on the rim portion of the blank; substan- I10 tially as described.

7. Apparatus for forming wheels, com prising relatively movable rotary forming dies on the ends of shafts whose axes extend atan angle to roller whose forming face is substantially parallel with the .axis of one of said dies arranged to act on the rim portion of the blank; substantially as described.

8. Apparatus prising relatively adjustable shafts having forming die surfaces on theiradjacent ends, and a shaping roller on one side of said shafts, the axes of one shaft and the sha ing roller being parallel and forming surfaces whose axes extendat an lao each other, and a shaping for forming wheels comat an ang e .to the axis of the other of said shafts; subeeaoea oblique angle to each other and whose pressure is exerted lengthwise of the said axes, keeping the axis of the blank and that of one of said forming surfaces extending in the same direction, applying forging pres sure through at least one of said surfaces to reduce successive portions of the Web, and shaping the radially adjoining rini portion of the blank with a shaping roller; substantially as described.

10. The method of forming wheels, consisting in rolling the blank between rotating forming surfaces whose axes extend at an angle to each other and whose pressure is exerted upon the blank lengthwise of the said axes, keeping the axis of the blank and that of one of said forming surfaces extending in the same direction, applying forging pressure through at least one of said surfaces to reduce successive portions of the web, and shaping the radially adjoining rirn portion of the blank with a shaping roller; substantially as described.

.11., The method of forming wheels, consisting in forging succemive portions of a blank between rotating dies whose axes extend at an oblique angle to each. other and shaping the rim portion of the blank with. a shaping roller having its axis parallel to that of one of said dies; substantially as described 12. The method of formin wheels, con sisting in roller forging the b ank by pressing against successive radial portions thereof, a forming surface having line contact therewith whose axes extend at an oblique angle to the axis of the blank, holding the blank in position by an opposing die and in surface contact therewith, shaping the rim portion of the blank with a shaping roll, and causing a relative approach of the forming surface, shaping roll and die durin the fogging operation; substantially as described ii The method of forming Wheels, con.-

sistiu in roller for in the blank b Jressing against successive radial portions there of, a forming surface having line contacttherewith whose axis extends at an oblique angle to the axis of the blank, holding the blank in position by an opposing die and in surface contact therewith, shaping the rim portion of the blank with a shaping roll hav ing its axis parallel with that of the holding (lie, and musing a relative approach of the forming surface, shaping roll. and die during :iw forging operation; substantially as de- Nlllll ll.

of the Ell l axes and causing the axes of the blank to extend in the same direction as that of one of said forming surfaces and simultaneously rolling the rim portions to the desired form with a shaping roller having its axis parallel to that of one of said surfaces; substantially as described 15. Apparatus for forming wheels, comprising relatively movable rotary forming dies whose axes extend at an oblique angle to each other, and a shaping roller whose axis is oarallel to the axis of one of said dies and arranged to act on the rim portion of the blank; substantially as described.

16,. Apparatus for shaping metal, coinrising rotating opposing end forming dies iaving their axes extending at an oblique angle to each other and relatively movable endwise, and a shaping roller at one side of said dies having its axis parallel to that of one of the dies; substantially as described,

17. The method of forming wheels, consisting in rolling the blank between rotary dies whose axes extend at an oblique angle to each other, centering the blank and hold ing its axis parallel to that of one of said dies and forcing at least one of the diesto= ward. the other during the reduction of the blank; substantially as described.

in apparatus for forming metal, a pair of rotatable and relatively endwise movable dies whose axes extend at an angle to each other and a centering pin on one of the dies, the axes of the die and pin being in alinement; substantially as described.

Apparatus for shaping metal. comprising rotary and relatively endwise movable forging dies arranged to shape the blank,

the axes of said dies extending at an angle to each other, and means for centering the blanks in one of said dies; substantially as described 20, The method of forming wheels, consisting in rollerforging the blank between end opposing die faces having their axes out of alinernent, supporting the blank and holding its center against radial bodily movement, causing the approach endwise of said die faces, and causing atleast one of said die faces to rotate; substantially as described,

21., Apparatus for forging wheels comprising rotary and relatively endwise movable dies, said dies having their axes out of alinement and a centering pin arranged to support and hold the blank against radial bodily movementduring the forging operation; substantially as described.

in testimony whereof, I have hereunto set my hand. I

EDWIN E. SlllCli'. iiitnesses ll. l). Lrr'rLE, H. M, Couwm.

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