US1043404A - Process of producing castings having relatively large section in permanent molds. - Google Patents

Description

E. A. GUSTER. PROCESS OF PRODUCING CASTIFGS HAVING RELA'IIVELY LARGE SECTION IN PERMANENT MOLDS,

' APPLICATION FILED DEC, 12, 1910 1,048,404. Patented Nov. 1912.

I i EDGAR It. Cost PM a unfl res mt J 1 the eu Eatutes,

'lphio, in the cou? eex tztin new" and useful improvel wleti'velfy' Large S'eetionin Perms i euee being heel to the ueoom" ngs :50 in a urt thereol.. we l. -known that muohiuuhle ire-o i proelucetl in ostile 11 'gthe m'etulof the ousting and then re;

mmthe u permittuigsome to fuerio tem cool to etulheeuuse such lo oo this ghout E1 1h Q of the shop oeeastm s have resulted f of Withdrawing the casting lirom mold oei ore chillmg any portion theceot 9 consequently eohsi'derable oooy of molten metulwoulcl remain in the "erio'r ofthe casting, W7

rise'to segregatlohs.

h Wouhl cool slowly git of an I In gametlsing my improved process the casting is set deeply so as to form a rela- The o ojeot' of this invention is to provide it process-whereby as "relatively l wge ii on feasting or & C21Sl3l11g=0lf.'COIlSlflBl'ZtblG section which is east in e psrmuneut mold Wlll he homogeneous throughout and which will ooutto'z' mold be entirely free from (llSLUl-lllOIlfw tivelf, thick wall around the molten lion in the intei'io'i'of the casting, which resists the well known tendency of the molten metal to l which the followin is uspod- 10 hi before the absolutely with the shape of the of Philadelph a; and State of Pennsylvania, have 111- Jventecl w Iii; l roeesses Producing Lastmgs.

' 'utmospherio conditions.-

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ess euou '10 ove run j LAB-3E SECTION IN Serial No. 596,927 1 v ld 'wlieneoolihg and this ior'oe is', so to 11:, turnedupon 1tself,;thus aroclu-e hg er rstellizat ou and preventmg segregw EENNSYLVANIA, A eoBPoim The deep sejtting is brought about by eomluetmgjthe heat away from the ,m'ol'ten met-n l, of the es stingvry rapidly. This may.

be accomplished by. making the molcl' o'f cast iron OlfSlmllal: metal of a very 'ls i-g'e bulltcompmecl with the area ofthe ousting is removed born the casting of the ousting, and the casting is subseci to toe 'QLEUOH of themold until the l is about to-ohill tlmt is, 'the point the White harcl'crystals are about to ml thereupon the casting is removed the mold and allowed to cool to noru'lal the accompanying drawings: Figure '1 fVlQWZlYLCl Fig. '2 is a side'elevution oi u mold which may be employed in practis ing my inveution.

' The mold 'oouipi'ises'the puts a and b hinged together jancl howling registering reeesses provided therein to form thematrix 0 oil the mold. 'Sin.o'e this invention' is not l eoted teeny specific structural device it .1s obvious that the parts a and B'need not .heeessarll'y be hinged together, 1101 need the other operating; ports ofthe apparatus he I. lift :tecl 111 accordance wlth. the; embodilueed to the matrix through a suitsole 5 e uieuus as the lever ev zmdlinks f.

greater; if desired, depending upon .the thickness ot the casting. Preferablythe mold has at least sufiioient bulk and radiatlug surface to prevent the-temperature from rising abovfiOO" F.

BY my improved process neht molds Without injuisy to or distortion {the mold. The casting will be of fine even shined. Although the casting is removed from the mold While the interior 1S H1 a molten condition the swlit deep settlng of llGlQlIlillustroted. The molten metal (Z. The mold" is ogfrened and. closed 7 1k 01'? the mold is preferably about times the hull; of the casting, and may be east ings of eon.-' sidemble thicknessmay be cast n permw sin throughout undiuay be easily 'ma exgosecl to the action oft-he inold. Theheat and-the setting progresses licom the exterior toward the centhe exterior portion prevc 1: I id bzafc-re clilling any kind amil also gu'eveu to seal 1i. from becbming (lisnin-lz 4mm,

I claim as my im: re Luci .5 The process of y la ens large tastings of iii-n in pcrlnmnem nich conuusts which consists in casthwg L mtively law-gag n set deeply Wiflwut uhi t0 form an exu'ker portisn of the. pa nsion resisting 01 19 ramming She cause sun 20 form --Xp l fiSlOT' m casting from the I the terior outer lag "e1- :md 09:11pm -11 mew-l thereof is in a, mail 1 wnqiiiun mm than in the rleriol' of the casunsz, and ramming permitting the. wasting in; coal to normal 51% the casting mm film nwlal ba -me the nutey mospheric temperature. The process of producing 15 iron having relat" manen'n molds Wb 2m axpzmgion resis molten metal in th poytion has chilled and then to cool in normal am A pmcess m"? pmilzimnggpain-1* having a, relat l, :0 M in n nwlfis, 10h co r c1 mold. having a, hull: of 1101; less film by swiftly rhinos i115 a. re times that of the Outer por'r'zinn of t" tit-y of heat from the outer partion of the i113; confligimus thereto and coolev casting, remov' 'mm the mold so as "lo cause he outer pm'lion 0 I l J the Quatm ms castbefcre the outer gel-film). lr'- dilllel and alin"; 0 set (luegly and farm a resisting Willi- 555 lowmg the ensuing in coal to uhinospnenc L novmg the castm from the mold While tei'nperature. the 111*;91'101' lSlllOlllGIl out before the exfim'wr 3. A process of producing ms ings of iron 1 as chilled, and allowing the same $0 0001 is having; a relatively lu 56- timz. in pemnm normal. atmospheric lempera'tuzt'e. 'nemt molds, which conslsts'in swiftly ren10v-- This specification. Sig-L1H} itlfil Wituessc'l ing very large quantity (If heat from the ibis 1st day of December, A. 17. 191. casting, thereby setting it (leegfl 'v 31 4 pm clubing' a, thick wall that resis of (.116 molten me-Lal in 11m wm m a:- are Signed. in presence 0:l- .pzmd and produces a lane AMBROSE L QSHEAV throughr. ut the casting 31211107 HELE: MflDlm-mlsy

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