SU719780A1 - Mix for making casting moulds - Google Patents
Mix for making casting moulds Download PDFInfo
- Publication number
- SU719780A1 SU719780A1 SU772560994A SU2560994A SU719780A1 SU 719780 A1 SU719780 A1 SU 719780A1 SU 772560994 A SU772560994 A SU 772560994A SU 2560994 A SU2560994 A SU 2560994A SU 719780 A1 SU719780 A1 SU 719780A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- mixture
- castings
- containing reagent
- reagent
- starch
- Prior art date
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- Mold Materials And Core Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
(54) СМЕСЬ ДЛЯ ИЗГОТОВЛЕНИЯ ЛИТЕЙНЫХ ФОРК(54) MIXTURE FOR THE MANUFACTURE OF CASTING FORK
. 3719 ,- А - -- - 5S :ar--S2r i.;4 р . , йктивны из-за повьзменной растворимости последнего, что вызывает более быстроеи равйомерное раёпрбделение реагента в формовочной смеси, спо .-JW-- 1. 3719, - A - - - 5S: ar - S2r i.; 4 p. , are active because of the solubility of the latter, which causes a faster and more ridiometric analysis of the reagent in the molding sand, SPO-JW-- 1
Haarpj j-jy iHaarpj j-jy i
Таблица 780 СОбствуЙШё% улучшению показателей ее формуемосТи и текучести. Составы смесей приведены в табл,1. Свойства смесей приведены в табл. 2Table 780 SUBSTITUTE% improvement in its moldability and flow properties. The compositions of the mixtures are given in table. 1. Properties of the mixtures are given in table. 2
Экотрузионный крахмал-со1держа1ций реагент З,03,4Ecotrusive starch-co1continence reagent Z, 03.4
Предел прочности при сжатии во влажном состо нии , кг/см Compressive strength in wet conditions, kg / cm
газопроницаемость, ед.gas permeability, units
Осыпаемость через 30 мин,% На основании лабораторных испытаний можно сделать вывод о том, что замена крахмалйта в экструзиШй& Й с;рйз&1алсо р аьдагм рёЪГеЯтом спо собстйует улучшению фо|)Щ Ш1йсти и текучести смеси при пониженном со- держании стабиАизатора влаги; 3toag5,., -- - , Ai fКоличество экструзионного крахмап содерйащего реагента в смеси определ ет ( рабочей влажностью формовочной смесЗ и количеством свежих ком поие тов. С повышением влажности сме си от 2,5 до 6,0% количество указан . ноги реагента увеличиваетс . Оптимальное содержани е экструзион крахмалсодержащегб реа.гента в фб1)й(5:воч«ых смес х 0,05-0,83 ( вы 4, 5 и 6). При йзгртовлён йи/отли . вок различного развеса рёкомён ;с ётс следующее его содер сание:The friability after 30 min,% Based on laboratory tests, it can be concluded that the replacement of starch in extrusion & Risse & 1 rdagdagm rectifier helps to improve the shape of the fi | | ya and the fluidity of the mixture with a low content of moisture stabilizer; 3toag5,., - -, Ai f The amount of extrusion starch containing the reagent in the mixture determines (the working humidity of the molding mixture and the amount of fresh comrades. With an increase in the moisture content of the mixture from 2.5 to 6.0%, the number is indicated. The optimum extrusion content of starch-containing reagent agent in fb1) (5: vach "mixes x 0.05-0.83 (you 4, 5 and 6). When you use yi / different. Wok of different weight of reyokon; with yots The following is its content:
1,29 0,44 0, 451,281,311,301.29 0.44 0, 451,281,311.30
135 155 . 155145 , 140. l4o135 155. 155145,140. L4o
--.-,- , . .--.-, -,. .
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772560994A SU719780A1 (en) | 1977-12-29 | 1977-12-29 | Mix for making casting moulds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU772560994A SU719780A1 (en) | 1977-12-29 | 1977-12-29 | Mix for making casting moulds |
Publications (1)
Publication Number | Publication Date |
---|---|
SU719780A1 true SU719780A1 (en) | 1980-03-05 |
Family
ID=20740668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU772560994A SU719780A1 (en) | 1977-12-29 | 1977-12-29 | Mix for making casting moulds |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU719780A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109604516A (en) * | 2019-01-28 | 2019-04-12 | 曲阜冶通铸材科技发展有限公司 | A kind of moulding sand additive |
CN110479951A (en) * | 2019-08-29 | 2019-11-22 | 赤峰市建支管业有限公司 | A kind of malleable cast iron pipe fitting casting green sand core molding sand |
-
1977
- 1977-12-29 SU SU772560994A patent/SU719780A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109604516A (en) * | 2019-01-28 | 2019-04-12 | 曲阜冶通铸材科技发展有限公司 | A kind of moulding sand additive |
CN110479951A (en) * | 2019-08-29 | 2019-11-22 | 赤峰市建支管业有限公司 | A kind of malleable cast iron pipe fitting casting green sand core molding sand |
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