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SU624714A2 - Method of producing castings with cavities from ferrous alloys by forcing-out - Google Patents

Method of producing castings with cavities from ferrous alloys by forcing-out

Info

Publication number
SU624714A2
SU624714A2 SU772462509A SU2462509A SU624714A2 SU 624714 A2 SU624714 A2 SU 624714A2 SU 772462509 A SU772462509 A SU 772462509A SU 2462509 A SU2462509 A SU 2462509A SU 624714 A2 SU624714 A2 SU 624714A2
Authority
SU
USSR - Soviet Union
Prior art keywords
cavities
forcing
casting
ferrous alloys
producing castings
Prior art date
Application number
SU772462509A
Other languages
Russian (ru)
Inventor
Юрий Апполинарьевич Караник
Original Assignee
Karanik Yurij A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Karanik Yurij A filed Critical Karanik Yurij A
Priority to SU772462509A priority Critical patent/SU624714A2/en
Application granted granted Critical
Publication of SU624714A2 publication Critical patent/SU624714A2/en

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  • Continuous Casting (AREA)

Description

I Изобретение относитс  к литейном производству, может использоватьс  при изготовлении отливок с полост м По основному авт.св. 448069 известен способ получени  отливок с полост ми выжиманием расплава. Вы жимание производ т в интервале температур кристаллизации расплавл ющи с  после погружени  в сплав и затве дени  отливки металлическим стержнем . Готовую отливку извлекают из формы и выливают металл стержн . Наличие холостого хода х:тержн  после заливки сплава в форму и до начала выжимани  снижает производительность лить  и, соответственно, производительность литейных агрегатов . Кремле того, в результате останов ки движени  расплава в форле из-за холостого хода стержн , происходит намораживание металла на стенки фор мы и на наружной поверхности отливки образуетс  спай по уровню налива сплава в форму. Цель изобретени  - устранение кольцевого спа  на наружной поверхности отливки. Это достигаетс  тем, что перед заливкой металла стержень опускают в литейную форму до уровн  налива сплава nepeh выжиманием. На чертеже схематически изображено устройство дл  реализации предлагаемого способа. Пример. Отливкуиз высокопрочного алюминиевого чугуна с толщиной стенки 15 мм и готовыми наружными размерами получают в следующей последовательности по :схеме, изображенной на чертеже. Выплавл еналЯ стержень, выполненный из сплава АЛ2, покрывают снаружи теплозащитным слоем плавленого кварца толщиной Oj3 мм в электролите, состо щем из 10%-ного водного раствора жидкого стекла в режиме мнкродуговрго и дугового оксидировани . Готовый стержень 1 нагревают до 250С, закрепл ют в подвижной плите 2 кокильной машины и опускают через, центральное отверстие литниковой огнеупорной чшои 3 в посто нную литейную форму 4 до уровн  Н, соответствующего уровню налива сплава перед выжиманием . Литейна  форма 4 установлена на неподвижной пЛите 5 кокильной машины соосно со стержнем 1.I The invention relates to a foundry, can be used in the manufacture of castings with cavities According to the main ed. 4,48069 discloses a method for producing castings with melt squeezing cavities. You are pressed in the range of crystallization temperatures that melt after being immersed in the alloy and casting the metal with a metal rod. The finished casting is removed from the mold and the metal rod is poured. The presence of idling x: sticking after casting the alloy into the mold and prior to squeezing reduces the casting productivity and, accordingly, the performance of the casting units. In addition to stopping the movement of the melt in the trout due to idling of the rod, the Kremlin freezes the metal on the walls of the mold and on the outer surface of the casting junction is formed according to the level of the alloy pouring into the mold. The purpose of the invention is to eliminate the annular spa on the outer surface of the casting. This is achieved by the fact that before the metal is poured, the rod is dipped into the mold to the level of filling the nepeh alloy by squeezing. The drawing schematically shows a device for implementing the proposed method. Example. Casting of high-strength aluminum cast iron with a wall thickness of 15 mm and finished external dimensions are obtained in the following sequence according to: the scheme shown in the drawing. The melted enal rod, made of an alloy of AL2, is coated on the outside with a heat-shielding layer of fused silica Oj3 mm thick in an electrolyte consisting of a 10% aqueous solution of liquid glass in the mode of micro arc and arc oxidation. The finished rod 1 is heated to 250 ° C, fixed in the moving plate 2 of the chill machine and lowered through the central hole of the casting refractory plate 3 into the permanent casting mold 4 to the level H, corresponding to the level of alloy loading before squeezing. The mold 4 is mounted on a fixed plite 5 chill machine coaxially with the rod 1.

SU772462509A 1977-03-16 1977-03-16 Method of producing castings with cavities from ferrous alloys by forcing-out SU624714A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU772462509A SU624714A2 (en) 1977-03-16 1977-03-16 Method of producing castings with cavities from ferrous alloys by forcing-out

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772462509A SU624714A2 (en) 1977-03-16 1977-03-16 Method of producing castings with cavities from ferrous alloys by forcing-out

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
SU330A Addition SU98593A1 (en) 1951-07-30 1951-07-30 The kinetic energy absorber of the water flow emanating from the shield

Publications (1)

Publication Number Publication Date
SU624714A2 true SU624714A2 (en) 1978-09-25

Family

ID=20699469

Family Applications (1)

Application Number Title Priority Date Filing Date
SU772462509A SU624714A2 (en) 1977-03-16 1977-03-16 Method of producing castings with cavities from ferrous alloys by forcing-out

Country Status (1)

Country Link
SU (1) SU624714A2 (en)

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