SU499025A1 - Non-stick paint for casting molds and cores - Google Patents
Non-stick paint for casting molds and coresInfo
- Publication number
- SU499025A1 SU499025A1 SU2056593A SU2056593A SU499025A1 SU 499025 A1 SU499025 A1 SU 499025A1 SU 2056593 A SU2056593 A SU 2056593A SU 2056593 A SU2056593 A SU 2056593A SU 499025 A1 SU499025 A1 SU 499025A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- paint
- cores
- casting molds
- graphite
- silver
- Prior art date
Links
- 239000003973 paint Substances 0.000 title claims description 17
- 238000005266 casting Methods 0.000 title claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 230000000181 anti-adherent effect Effects 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 235000012222 talc Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Mold Materials And Core Materials (AREA)
Description
1one
Изобретение относитс к области литейного произвоаства и может быть использовано дл получени чистых от -пригара поверхностей, иа.пример, на чугунных отливках.The invention relates to the field of foundry production and can be used to obtain surfaces clean of the carbon, ia example, on iron castings.
Покрытие может быть нспользовано Бри оглпвке труб-электродои в земл ные формы. Трубы-эле-кгроды используютс дл электрошлакового переплава и требуют особо чистой без -пригара поверхности iBo избежание внесени в шлаковую 1ванну нежелательных примесей .The coating can be used to remove pipe-electrodes into earth forms. Electro-slag pipes are used for electroslag remelting and require extremely clean, iBo-free surface to avoid the introduction of unwanted impurities into the slag bath.
В промышленности примен ютс различные противопригарные формовочные краски, содержапл ,ие огнеупорные паполнители, как графит, асбестовый поропюк и др. В качестве крелителей в состав красок ввод т огнеупорную глину, бентонит; декстрин, карбоксиметилцеллюлозу (КМЦ) и др.In industry, various nonstick molding paints, contents, and refractory fillers, such as graphite, asbestos powder, etc., are used. Refractory clay and bentonite are introduced into the dyes; dextrin, carboxymethylcellulose (CMC), etc.
Известна краска, содержаща следующие ингредиенты, вес. i%:Known paint, containing the following ingredients, wt. i%:
Тальк13,5Talc13,5
Графит серебристый33Silver graphite33
Бентонит2,5Bentonite2,5
Декстрин1,5Dextrin1,5
Вода50Water50
Краска такого cocTaiBa не дает чистой поверхности лить на средних и крупных отливках и имеет низкую прочность нанесенного сло . Осыпаемость сло краски - 0,5-1.The paint of such cocTaiBa does not give a clean surface to cast on medium and large castings and has a low strength of the applied layer. The fallout of the paint layer is 0.5-1.
Известна также краска дл форми стержней чугунного лить , содержаща следующие ингредиенты, вес. %:Also known paint to form rods of cast iron, containing the following ingredients, wt. %:
Графит черный43,5Black graphite43,5
Гра|фит серебристый15Gras | Fit Silver15
Бентонит3,5Bentonite3,5
Сульфитно-спиртова барда10Sulfite-alcohol bard10
Вода28Water28
Однако эта краска не обеспечивает хорошего качества поверхности отливок.However, this paint does not provide good quality surface castings.
С целью улучшени качества поверхности отливок в краску, содержащую огнеупорный наполнитель, серебристый графит, глинистое св зующее, сульфитно-спиртовую барду и воду, выводитс дополнительно карбоксимети-лцеллюлоза , а в качестве нанолнител - тальк при следующем соотношении интредиентов, вес. %:In order to improve the quality of the surface of castings, paint containing refractory filler, silver graphite, clay binder, sulphite-alcohol bard and water is additionally removed carboxymethylcellulose, and talcum is used as a nanofiller in the following ratio of intredients, weight. %:
Тальк35-60Talc35-60
Графит серебристый10-20Silver graphite 10-20
Огнеупорна глина4-6Fire Clay4-6
Карбоксиметилцеллюлоза15-30Carboxymethylcellulose15-30
Сульфитно-спиртова барда плотностью 1,27 г/см 8-12Sulfite-alcoholic bard with a density of 1.27 g / cm 8-12
Наличие карбоксиметилцеллюлозы и сульфитно-спиртовой барды в указанных пределах позвол ет получать после подсушки на формах и стержн х очень ровный и прочный слойThe presence of carboxymethylcellulose and sulfite-alcohol stillage within the specified limits allows to obtain a very even and durable layer after drying on the molds and rods.
покрыти и обеспеч1гвает прочное сце покрыти с земл ной |фор|Мой.coating and provides a durable coating with an earth | shape | mine.
Во врем заливки жидкого металла мах создаетс устойчива восстановит атмосфера, предотвращающа по вленгара , а после заливки покрытие очен разрушаетс и отдел етс от отливок.During the pouring of the molten metal, max is created, a stable atmosphere will be restored, preventing vlenga, and after pouring, the coating is completely destroyed and separated from the castings.
Примеры сОСтавоВ:Examples are:
IIII
II
45 15 5 2545 15 5 25
3535
ТалькTalc
2020
Гра|фит серебристый Gra | fit silver
5 Огнеупорна глина 5 Fire Clay
30 КМЦ30 CMC
Сульфитно-спиртова Sulfite-alcohol
10 10 барда10 10 bard
Краска приготовл етс следующим образом .The paint is prepared as follows.
Предварительно смащ.иваютс сухие составл ющие краски и подготавливаетс раствор крепител КМЦ. Крепитель раствор ют в подогретой воде (30-50°С). Вручную или при помощи смесител готовитс паста, котора перемешиваетс в течение 10-12 мин. и перед употреблением выдерживаетс -в течение 1 часа . Краска готовитс в краокомешалке любого типа. Продолжительность перемешивани - 0,5 часа. Плотность краски 1,5- 1,65г/см1Dry components of the paint are preliminarily treated and a solution of the CMC fixer is prepared. The support is dissolved in heated water (30-50 ° C). A paste is prepared manually or by means of a mixer, which is stirred for 10-12 minutes. and before use, kept for 1 hour. The paint is prepared in a cracker of any type. The duration of mixing is 0.5 hours. Paint density 1,5-1,65g / cm1
Краска наноситс на поверхность форм и стержней при помощи кисти или пульверизатора .The paint is applied to the surface of the molds and cores with a brush or spray gun.
Краской указанного состава были покрыты формы и стержни, предназначвн ые дл отливки труб-электродов диаметром 280 мм иThe paint of the indicated composition was coated with molds and rods intended for the casting of pipe-electrodes with a diameter of 280 mm and
430 мм и длиной 2500 мм в количестве 10 штук, а также щ,ки1вов диаметро1м 1000мм. Формы сушили при 180-250°С в течение 6- 8 часов.430 mm and a length of 2500 mm in the amount of 10 pieces, as well as u, 1 m diameter 1 mm 1000 mm. The forms were dried at 180-250 ° C for 6-8 hours.
Трубы отливали из хромистого чугуна, содержащего до 20% хрома. Шкив - из обычного серого чугуна с пластинчатым графитом.The pipes were cast from chromic cast iron containing up to 20% chromium. Pulley - from ordinary gray cast iron with lamellar graphite.
Применение предлагаемой краски позвол ет получить чистую от пригара поверхность на отливках, кроме того в ее состав входит незначительное количество таких, сравнительно дорогосто щих огнеупорных материалов, как графит.The application of the proposed paint makes it possible to obtain a clean from the burned surface on the castings; in addition, its composition includes an insignificant amount of such relatively expensive refractory materials as graphite.
Формула и 3 о б р е т е н )1 Formula and 3 o r e t e n) 1
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2056593A SU499025A1 (en) | 1974-08-30 | 1974-08-30 | Non-stick paint for casting molds and cores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2056593A SU499025A1 (en) | 1974-08-30 | 1974-08-30 | Non-stick paint for casting molds and cores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU499025A1 true SU499025A1 (en) | 1976-01-15 |
Family
ID=20595009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2056593A SU499025A1 (en) | 1974-08-30 | 1974-08-30 | Non-stick paint for casting molds and cores |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU499025A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290514A (en) * | 2018-11-23 | 2019-02-01 | 贵州安吉航空精密铸造有限责任公司 | A kind of low pressure core coating and preparation method thereof |
-
1974
- 1974-08-30 SU SU2056593A patent/SU499025A1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290514A (en) * | 2018-11-23 | 2019-02-01 | 贵州安吉航空精密铸造有限责任公司 | A kind of low pressure core coating and preparation method thereof |
| CN109290514B (en) * | 2018-11-23 | 2020-06-23 | 贵州安吉航空精密铸造有限责任公司 | Low-pressure sand core coating and preparation method thereof |
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