USRE5716E - Improvement in casting car-wheels - Google Patents
Improvement in casting car-wheels Download PDFInfo
- Publication number
- USRE5716E USRE5716E US RE5716 E USRE5716 E US RE5716E
- Authority
- US
- United States
- Prior art keywords
- wheels
- metal
- improvement
- wheel
- cast
- Prior art date
Links
- 238000005266 casting Methods 0.000 title description 6
- 239000002184 metal Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 206010009839 Coeliac disease Diseases 0.000 description 3
- 206010025476 Malabsorption Diseases 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 241000218657 Picea Species 0.000 description 2
- 244000144980 herd Species 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000036881 Clu Effects 0.000 description 1
- 206010011951 Decompression sickness Diseases 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N Hexamethylenetetramine Chemical group C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000003137 locomotive Effects 0.000 description 1
Images
Definitions
- Fig. 2 is it view in central vertical transverse section of the band whichI make use of to keep separate, while being cast, the different kinds of metal of which the wheel is composed.
- the invention consists in casting the body or center of the wheel of one kind or quality of metal adept-ed to the purpose, while the tread, tire, or face is cast at the some time, and in the same mold, of another kind or quality of metal, adapted to the purposeoi' forming such tire, the two different kinds or qualities of metal being'kcpt apart while being cast by a metallic bend or its equivalent, thebend in the process of costing becoming fluidjwith the metals upon either side of it;
- the wheels most in use upon steunrreilways are what are known as chilled wheels, of east-iron.
- the two great defects of these chilled wheels are, first, their liability to break from chill-strain, which is caused by suddenly chilling the rim or trend of the wheel in the process of casting, while the center or body of the wheelie yet in a molten state, and
- shrinking the outer rim of the wheel be fore the body or center of the wheel has cont menced to shrink at all, thus producing uneven shrinkage in the wheel, and chill-strain; and, second, the necessity of subjecting wheels thus chilled to an annealing process, which is in. most cases imperfect and expensive.
- My object is to overcome-thesc difiioulties.
- the letter it indicates the bottom board, upon which the flask and .mold are set to the lower part or drag of the flask, and c the upper part or cup.
- The' letter 06 indicates the send in the-drag; e, the send in the cap, and
- the letter 9 indicates an annular. band of iron or'its equivelent. This band serves tokcep separate, in the process of casting, the two kinds or qualities of metal of which the whole wheel is cast.
- the metal which forms the body or cent of the wheel is poured through sprues or chenncl ways entering the matrix of the mold within the band g:
- the letters 5 71 indicate such spruce.
- the metal which forms the tread, or tire, or rim of the wheel is poured through spruce or channel-ways entering the matrix of the mold outside of the bend g.
- the let fcrs h h indicate two .such'sprues.
- the center or body of thewheel is cast of a. tough aindj' strong metal edapted'tothe purpose. cast-iron is such a metal.
- herd metal adapted to resist wear.
- Herd or white cast-- iron is such a metal.
- the two metals are poured through their respective sprues 'nt or about the same time, so as to rise on opposite sides of the band 9.
- the pouring of the metal for the trend ceases when the metal rises to, the top of the separating band.
- the band is held in its" place' in the mold by Chaplets, similar to those used in fisenihg clues in molds.
- Locomotive driving-wheels may-be produced quality ofmetal, and the header rim of an,
Description
1. K. sAx'.
Casting Gar-Wheels.
Reissued Dec 30,1873.
N'OQ 5,116.
Y lNVE/VTOR 'V fTA assss.
NITED STATES .ionx K. sux, or rrr'rs'ros, PENNSYLVANIA.
IMPROVEMENT IN CASTING CAR-WHEELS.
Specification formin part ofLettei-e Patent- No. 122,538, dated January 9, 1872; reissue No.'5,7 l6, new
December 30, 1873; application filed April 15. W73.
ot' my said improvement. Fig. 2 is it view in central vertical transverse section of the band whichI make use of to keep separate, while being cast, the different kinds of metal of which the wheel is composed.
The invention consists in casting the body or center of the wheel of one kind or quality of metal adept-ed to the purpose, while the tread, tire, or face is cast at the some time, and in the same mold, of another kind or quality of metal, adapted to the purposeoi' forming such tire, the two different kinds or qualities of metal being'kcpt apart while being cast by a metallic bend or its equivalent, thebend in the process of costing becoming fluidjwith the metals upon either side of it;
The wheels most in use upon steunrreilways are what are known as chilled wheels, of east-iron. The two great defects of these chilled wheels are, first, their liability to break from chill-strain, which is caused by suddenly chilling the rim or trend of the wheel in the process of casting, while the center or body of the wheelie yet in a molten state, and
. thus shrinking the outer rim of the wheel be fore the body or center of the wheel has cont menced to shrink at all, thus producing uneven shrinkage in the wheel, and chill-strain; and, second, the necessity of subjecting wheels thus chilled to an annealing process, which is in. most cases imperfect and expensive.
My object is to overcome-thesc difiioulties. The letter it indicates the bottom board, upon which the flask and .mold are set to the lower part or drag of the flask, and c the upper part or cup. The' letter 06 indicates the send in the-drag; e, the send in the cap, and
f the core, which forms the hole in the hub for the reception of the axle. The letter 9 indicates an annular. band of iron or'its equivelent. This band serves tokcep separate, in the process of casting, the two kinds or qualities of metal of which the whole wheel is cast.
The metal which forms the body or cent of the wheel is poured through sprues or chenncl ways entering the matrix of the mold within the band g: The letters 5 71 indicate such spruce. The metal which forms the tread, or tire, or rim of the wheel is poured through spruce or channel-ways entering the matrix of the mold outside of the bend g. The let fcrs h h indicate two .such'sprues. The center or body of thewheel, is cast of a. tough aindj' strong metal edapted'tothe purpose. cast-iron is such a metal.
Soft The tread, or rim,
or tire of the wheel is cast of a. herd metal adapted to resist wear. Herd or white cast-- iron is such a metal. The two metals are poured through their respective sprues 'nt or about the same time, so as to rise on opposite sides of the band 9. The pouring of the metal for the trend ceases when the metal rises to, the top of the separating band. The band is held in its" place' in the mold by Chaplets, similar to those used in fisenihg clues in molds.
Locomotive driving-wheels may-be produced quality ofmetal, and the header rim of an,
other kind or quality of metal, by means of a circumicrenti'el bend in the mold, which keeps the two metals. apart while being poured, the whole being done substantially in the manner and for the purpose set forth.
. JOHN'K. SAX,
Witnesses:
. WM. ED.. Siguonns,
.TOI-IN POLLITT.
Family
ID=
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