SU822984A1 - Method of cooling chill moulds - Google Patents
Method of cooling chill moulds Download PDFInfo
- Publication number
- SU822984A1 SU822984A1 SU792799947A SU2799947A SU822984A1 SU 822984 A1 SU822984 A1 SU 822984A1 SU 792799947 A SU792799947 A SU 792799947A SU 2799947 A SU2799947 A SU 2799947A SU 822984 A1 SU822984 A1 SU 822984A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cooling
- bulk material
- chill moulds
- cavity
- working cavity
- Prior art date
Links
Description
(54) СПОСОБ ОХЛАЖДЕНИЯ МЕТАЛЛИЧЕСКИХ ФОРМ(54) METHOD FOR COOLING METAL FORMS
воздуха стенке 5, охлаждаемой с помощью, хладагента,air wall 5, cooled with refrigerant,
При вынужденных остановках в работе (например, отсутствие технологического задела, устранение неполадок и т. д.) дл сохранени температуры литейной формы в рабочем интервале температур прекращают продувание воздуха через .охлаждаемую у полость. Благодар этому перемещение сьшучего материала в полости прекраща .етс . В результате коэффициент теплоотдачи уменьшаетс , так как отбор тепла воздухом от частичек сыпучего материала отсутствует, а теплоемкость сыпучего материала велика , систему охлаждени хладагентс н при необходимости также выключают. Вследствие этого охлаждение резко ЗЕ1медл етс .When forced shutdowns (for example, lack of technological advancement, troubleshooting, etc.), in order to maintain the temperature of the casting mold in the working temperature range, air blowing through the cooled cavity stops. Due to this, the movement of bulk material in the cavity ceases. As a result, the heat transfer coefficient decreases, since there is no heat extraction from the particles of the bulk material by air, and the heat capacity of the bulk material is large, and the cooling system is also not switched off if necessary. As a result, cooling is drastically slow.
Способ позвол ет управл ть процессом охлаждени , улучшить теплробмен и стабилизировать температуру нагрева, а также повысить качество издели , сократить брак и увеличить стойкость рабочего инструмента.The method allows controlling the cooling process, improving the heat flow rate and stabilizing the heating temperature, as well as improving the quality of the product, reducing scrap and increasing the durability of the working tool.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792799947A SU822984A1 (en) | 1979-07-23 | 1979-07-23 | Method of cooling chill moulds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792799947A SU822984A1 (en) | 1979-07-23 | 1979-07-23 | Method of cooling chill moulds |
Publications (1)
Publication Number | Publication Date |
---|---|
SU822984A1 true SU822984A1 (en) | 1981-04-23 |
Family
ID=20842223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU792799947A SU822984A1 (en) | 1979-07-23 | 1979-07-23 | Method of cooling chill moulds |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU822984A1 (en) |
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1979
- 1979-07-23 SU SU792799947A patent/SU822984A1/en active
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