RU1770111C - Method of casting impregnation - Google Patents
Method of casting impregnationInfo
- Publication number
- RU1770111C RU1770111C SU904796435A SU4796435A RU1770111C RU 1770111 C RU1770111 C RU 1770111C SU 904796435 A SU904796435 A SU 904796435A SU 4796435 A SU4796435 A SU 4796435A RU 1770111 C RU1770111 C RU 1770111C
- Authority
- RU
- Russia
- Prior art keywords
- castings
- piston
- container
- impregnating
- pressure
- Prior art date
Links
Landscapes
- Powder Metallurgy (AREA)
Abstract
Изобретение относитс к технологии исправлени литейных дефектов типа пор корпусных отливок и деталей, в частности к способу пропитки отливок. В контейнер 3 укладывают отливки и размещают контейнер в пресс-форму 1 машины лить под давлением марки 711А07. Через горловину 7 контейнер заполн ют материалом пропитки - композицией ПК-80 Т201-2-725-84. Перемещением поршн 12 в камере прессовани 11 вправо до фиксированного положени 1 создают разр жение 350 мм рт.ст. и осуществл ют выдержку 5-6 мин. Далее поршень 12 перемешивают в положение П, сообща полость камеры прессовани с атмосферой , и заливают в нее буферную жидкость - парафино-стеариновую массу ПС50 через заливочное окно 13. Рабочим ходом поршн 12 пропитывающую жидкость с отливками нагружают давлением до 2,5 МПаи выдерживают давление 1,5-2 мин дл пропитки отливок. Давление снимают путем отвода поршн 12, размыкают пресс-форму и извлекают контейнер с отливками. 2 з.п. ф-лы, 2 табл, 2 ил. (ЛThe invention relates to a technology for correcting casting defects such as pores of case castings and parts, in particular, to a method for impregnating castings. Castings are placed in the container 3 and the container is placed in the mold 1 of the injection molding machine 711A07. Through the neck 7, the container is filled with an impregnation material - composition PK-80 T201-2-725-84. By moving the piston 12 in the pressing chamber 11 to the right to a fixed position 1, a 350 mmHg rarefaction is created. and holding for 5-6 minutes. Next, the piston 12 is mixed into position P, the cavity of the pressing chamber is in contact with the atmosphere, and the buffer liquid — the paraffin-stearin mass PS50 — is poured into it through the filling window 13. With the stroke of the piston 12, the impregnating liquid with castings is loaded with a pressure of up to 2.5 MPa and can withstand pressure 1 5-2 minutes for impregnating the castings. The pressure is removed by removing the piston 12, open the mold and remove the container with castings. 2 s.p. crystals, 2 tablets, 2 ill. (L
Description
Таблица 1Table 1
30thirty
Таблица 2table 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904796435A RU1770111C (en) | 1990-03-02 | 1990-03-02 | Method of casting impregnation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU904796435A RU1770111C (en) | 1990-03-02 | 1990-03-02 | Method of casting impregnation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU1770111C true RU1770111C (en) | 1992-10-23 |
Family
ID=21498872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU904796435A RU1770111C (en) | 1990-03-02 | 1990-03-02 | Method of casting impregnation |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU1770111C (en) |
-
1990
- 1990-03-02 RU SU904796435A patent/RU1770111C/en active
Non-Patent Citations (1)
| Title |
|---|
| 1, Патент US № 4479986, кл. В 05 D 3/00, 1984. 2. Л.И.Тучинский Композиционные материалы, получаемые методом пропитки, М., Металлурги , 1988, с. 37. * |
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