SU814550A1 - Self-hardenable pickup preventing coating for casting moulds and cores - Google Patents
Self-hardenable pickup preventing coating for casting moulds and cores Download PDFInfo
- Publication number
- SU814550A1 SU814550A1 SU782696793A SU2696793A SU814550A1 SU 814550 A1 SU814550 A1 SU 814550A1 SU 782696793 A SU782696793 A SU 782696793A SU 2696793 A SU2696793 A SU 2696793A SU 814550 A1 SU814550 A1 SU 814550A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- self
- binder
- coating
- hardening
- cores
- Prior art date
Links
Landscapes
- Ceramic Products (AREA)
Description
(54) САМОТВЕРДЕЮЩЕЕ ПРОТИВОПРИГАРНОЕ ПОКРЫТИЕ ДЛЯ ЛИТЕЙНЫХ ФОРМ И СТЕРЖНЕЙ(54) SELF-DETERMINING INSERVE COATING FOR CASTING AND RODS
ЛлюможелезофосфатноLow-iron phosphate
вес.%:weight.%:
Фосфорный ашидрид Окись алюмини Окись натри Phosphoric acid oxide Alumina Sodium oxide
Закись железа Вода и примеси Алюмохромофосфатное Iron Oxide Water and Impurities Alumochromophosphate
вес.%:weight.%:
Фосфорный ангидрид Окись алюмини Окись хромаPhosphoric anhydride Aluminum oxide Chromium oxide
Окись натри Вода и примеси Натрий алюмофосфатнSodium oxide Water and impurities Sodium aluminophosphate
вес.%:weight.%:
покрытий, вес.% coatings, wt.%
Известный I ПредлагаемыйFamous I Suggested
50,0 56,0 60,0 56,050.0 56.0 60.0 56.0
2,0 4,0 6,02.0 4.0 6.0
на 2,0 1,0 2,0by 2.0 1.0 2.0
фат28 ,0 24,0 20,0Fat28, 0 24.0 20.0
фат0 ,5 1,0 2,0 17,5 14,0 10,0Fat0, 5 1.0 2.0 17.5 14.0 10.0
рыт и и Т Состав dug and and t composition
Свойства покрытий | ИзвестнCoating properties | Known
2,0- 2,0- 2,0-2,1 2,0-2,12.0-2.0-2.0-2.1 2.0-2.1
-2,1 -2,1 3333 80-90 60-90 50-80 400-600-2.1 -2.1 3333 80-90 60-90 50-80 400-600
50-60 50-60 45-60 200-40050-60 50-60 45-60 200-400
30-40 30-40 30-40 50-12030-40 30-40 30-40 50-120
Фосфорный ангидрид Окись алюмини Окись натри Вода и примесиPhosphoric anhydride Aluminum oxide Sodium oxide Water and impurities
Огнеупорна глина введена в состав покрыти дл стабилизации суспензии.Refractory clay is incorporated in the coating to stabilize the slurry.
При приготовлении покрыти металлофосфатное св зующее смешивают с кислотостойкой огнеупорной глиной и бурой, содержащей огнеупорный наполнитель .In preparing the coating, the metal phosphate binder is mixed with acid-resistant refractory clay and borax containing a refractory filler.
В табл. 1 и 2 приведены свойства покрытий на основе известных и предлагаемых составов дл линейных стержней и форм.In tab. 1 and 2 show the properties of coatings based on known and proposed formulations for linear rods and shapes.
ТаблицаTable
4,0 1,04.0 1.0
24,024.0
15,015.0
ТаблицаTable
покрытийcoverings
ПредлагаемыйProposed
Как видно из таблиц, предлагаемое покрытие отверждаетс независимо от температуры окружающей среды, имеет меньшую скорость отверждени , чем известное . Это свойство обеспечиваетс введением буры.As can be seen from the tables, the proposed coating cures regardless of the ambient temperature, has a lower curing rate than the known one. This property is provided by the introduction of borax.
Кроме того, бура способствует повышению термопластичности покрыти при нагреве и улучшению противопригарных свойств.In addition, borax contributes to an increase in the thermoplasticity of the coating during heating and to an improvement in nonstick properties.
Реализаци изобретени позволит сократить объем обрубных и очистныхThe implementation of the invention will reduce the amount of cutting and cleaning
работ улучшить санитарно-гигиенические услови труда в литейных цехах.to improve the sanitary and hygienic working conditions in foundries.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782696793A SU814550A1 (en) | 1978-12-13 | 1978-12-13 | Self-hardenable pickup preventing coating for casting moulds and cores |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782696793A SU814550A1 (en) | 1978-12-13 | 1978-12-13 | Self-hardenable pickup preventing coating for casting moulds and cores |
Publications (1)
Publication Number | Publication Date |
---|---|
SU814550A1 true SU814550A1 (en) | 1981-03-23 |
Family
ID=20798607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782696793A SU814550A1 (en) | 1978-12-13 | 1978-12-13 | Self-hardenable pickup preventing coating for casting moulds and cores |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU814550A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543380A2 (en) * | 1991-11-19 | 1993-05-26 | Norton Company | Thermally conductive refractory composition and its use |
-
1978
- 1978-12-13 SU SU782696793A patent/SU814550A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543380A2 (en) * | 1991-11-19 | 1993-05-26 | Norton Company | Thermally conductive refractory composition and its use |
EP0543380A3 (en) * | 1991-11-19 | 1993-07-14 | Norton Company | Thermally conductive refractory composition and its use |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU814550A1 (en) | Self-hardenable pickup preventing coating for casting moulds and cores | |
US2798818A (en) | Moldable exothermic compositions | |
SU931270A1 (en) | Pickup preventing coating for casting moulds and cores | |
US2233702A (en) | Refractory mold material for cast metal products | |
SU1600902A1 (en) | Sand for making moulds and cores | |
SU502697A1 (en) | Casting Core Modifier Coating | |
SU719781A1 (en) | Coating for casting moulds | |
US2247588A (en) | Investment composition | |
US2313086A (en) | Investment composition | |
SU707674A1 (en) | Casting mould coating | |
SU697245A1 (en) | Anti-stick coating for steel and iron casting moulds and cores | |
SU790023A1 (en) | Current-conducting coating for manufacturing casting moulds by lost patterns by electrophoresis method | |
SU937098A1 (en) | Heat resistant paste for repairing metallic moulds | |
SU532450A1 (en) | Non-stick paint for casting molds and cores | |
SU728976A1 (en) | Pickup-preventing coating for foamed polysterene casting patterns | |
SU1284674A1 (en) | Coating composition for metal moulds | |
SU906640A1 (en) | Self-hardenable mixture for producing casting moulds and cores at casting chemically active metals | |
JPS601109A (en) | Embedding composition for precision casting | |
SU529882A1 (en) | Nonstick coating for casting molds and cores | |
SU730446A1 (en) | Sand for producing casting moulds and cores using heatable equipment | |
SU863142A1 (en) | Pickup preventing coating for casting moulds and cores | |
SU944723A1 (en) | Mixture for producing casting cores | |
SU980920A1 (en) | Heat insulation coating for casting chill moulds | |
SU801963A1 (en) | Coating for casting moulds and cores | |
SU990398A1 (en) | Pickup preventing coating for casting moulds and cores |