RU2015156533A - METHOD FOR PRODUCING CASTING FORMS AND BARS FROM LIQUET GLASS MIXTURES IN HEATED EQUIPMENT "THERMO-SHOCK-CO2-PROCESS" - Google Patents

METHOD FOR PRODUCING CASTING FORMS AND BARS FROM LIQUET GLASS MIXTURES IN HEATED EQUIPMENT "THERMO-SHOCK-CO2-PROCESS" Download PDF

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Publication number
RU2015156533A
RU2015156533A RU2015156533A RU2015156533A RU2015156533A RU 2015156533 A RU2015156533 A RU 2015156533A RU 2015156533 A RU2015156533 A RU 2015156533A RU 2015156533 A RU2015156533 A RU 2015156533A RU 2015156533 A RU2015156533 A RU 2015156533A
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RU
Russia
Prior art keywords
shock
thermo
rod
liquet
bars
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RU2015156533A
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Russian (ru)
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RU2630399C2 (en
Inventor
Марина Викторовна Никифорова
Сергей Алексеевич Никифоров
Антон Павлович Никифоров
Евгения Павловна Роот
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГБОУ ВПО "ЮУрГУ" (НИУ))
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Priority to RU2015156533A priority Critical patent/RU2630399C2/en
Publication of RU2015156533A publication Critical patent/RU2015156533A/en
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Publication of RU2630399C2 publication Critical patent/RU2630399C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/12—Treating moulds or cores, e.g. drying, hardening

Landscapes

  • Mold Materials And Core Materials (AREA)
  • Dental Prosthetics (AREA)

Claims (1)

Способ изготовления литейных форм и стержней из жидкостекольных смесей в нагреваемой оснастке с использованием «Термо-шок-СO2-процесса», включающем нагрев стержневой оснастки до температур 150-350°С, заполнение ее жидкостекольной смесью, уплотнение смеси, выдержку ее в контакте с оснасткой, продувку стержня углекислым газом с одной стороны и отбором его с другой стороны путем вакуумирования, отличающийся тем, что вакуумирование проводят в три стадии: вакуумирование на первой стадии проводят в процессе заполнения оснастки смесью в направлении, совпадающим с направлением движения потока загружаемой смеси в оснастку, на второй стадии вакуумирование продолжают в том же направлении в течение выдержки отверждаемого стержня в контакте с нагретой поверхностью оснастки (время термо-шок-СO2-процесса), на третьей стадии вакуумирование проводят в том же направлении одновременно с продувкой стержня углекислым газом в виде единого потока или в виде его добавки от 10 до 80% в поток холодного или подогретого воздуха, подаваемом в стержень в направлении, совпадающим с направлением вакуумирования под оснасткой.A method of manufacturing casting molds and cores from liquid-glass mixtures in a heated snap-in using the “Thermo-shock-CO2 process”, which includes heating the snap-in to temperatures of 150-350 ° C, filling it with a liquid-glass mixture, sealing the mixture, keeping it in contact with the snap-in blowing the rod with carbon dioxide on one side and taking it on the other side by evacuation, characterized in that the evacuation is carried out in three stages: evacuation in the first stage is carried out in the process of filling the equipment with the mixture in the direction At the second stage, the vacuum is continued in the same direction during exposure of the curable rod in contact with the heated surface of the tool (the time of the thermal shock-CO2 process), at the third stage, the vacuum is carried out in in the same direction simultaneously with blowing the rod with carbon dioxide in the form of a single stream or in the form of its additive from 10 to 80% into the stream of cold or heated air supplied to the rod in the direction coinciding with the direction of the vacuum Bani under the rig.
RU2015156533A 2015-12-28 2015-12-28 Method for manufacturing cast rods from liquid glass mixtures in heated "thermo-shock-co2-process" equipment RU2630399C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015156533A RU2630399C2 (en) 2015-12-28 2015-12-28 Method for manufacturing cast rods from liquid glass mixtures in heated "thermo-shock-co2-process" equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015156533A RU2630399C2 (en) 2015-12-28 2015-12-28 Method for manufacturing cast rods from liquid glass mixtures in heated "thermo-shock-co2-process" equipment

Publications (2)

Publication Number Publication Date
RU2015156533A true RU2015156533A (en) 2017-07-05
RU2630399C2 RU2630399C2 (en) 2017-09-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015156533A RU2630399C2 (en) 2015-12-28 2015-12-28 Method for manufacturing cast rods from liquid glass mixtures in heated "thermo-shock-co2-process" equipment

Country Status (1)

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RU (1) RU2630399C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU206795U1 (en) * 2021-03-15 2021-09-28 Акционерное общество «Научно-производственная корпорация «Уралвагонзавод» имени Ф.Э. Дзержинского» Casting shape

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382290A1 (en) * 1977-03-03 1978-09-29 Tsi T Self curing moulding compsn. for casting moulds and cores - with refractory filler, aq. alkali silicate binder and propylene carbonate as hardener
SU1041202A1 (en) * 1979-11-12 1983-09-15 Научно-Исследовательский Институт Тяжелого Машиностроения Method of strengthening moulds and cores of liquid glass mixtures
RU2082539C1 (en) * 1994-10-06 1997-06-27 Челябинский государственный технический университет Method for manufacture of foundry cores or molds from water glass mixtures
RU2486987C2 (en) * 2010-12-29 2013-07-10 Виктор Наумович Ромашкин Method of combined moulds from liquid-glass self-hardening mixes

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RU2630399C2 (en) 2017-09-07

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Effective date: 20171229