SU419672A1 - DEVICE FOR PRESSING - Google Patents
DEVICE FOR PRESSINGInfo
- Publication number
- SU419672A1 SU419672A1 SU1757209A SU1757209A SU419672A1 SU 419672 A1 SU419672 A1 SU 419672A1 SU 1757209 A SU1757209 A SU 1757209A SU 1757209 A SU1757209 A SU 1757209A SU 419672 A1 SU419672 A1 SU 419672A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- punches
- die
- coefficient
- pressing
- materials
- Prior art date
Links
Landscapes
- Press Drives And Press Lines (AREA)
Description
Известно устройство дл прессовани , в рабочей зоне которого помещен термоусилитель давлени .A pressing device is known in which the pressure booster is placed in the working area.
Однако При сверхвысоких давлени х многие материалы переход т в квазипластическое состо щие , в результате чего возмож а протечка материала в уплотн емые зазо;ры.However, at ultrahigh pressures, many materials are transformed into quasi-plastic states, as a result of which material may leak into the sealing gap.
Протечки материала устран ютс созданием противодавлени с внешней стороны от уплотн емых поверхностей, что сапр жено со значительными трудност ми конструктивного и технологического характера.Leakage of the material is eliminated by creating a back pressure from the outside of the sealing surfaces, which is fraught with considerable structural and technological difficulties.
Цель изобретени -(повышение обтюрации и исключение затекани материала в квазипластическом состо нии в зазоры.The purpose of the invention is to (increase obturation and eliminate the leakage of material in a quasi-plastic state into gaps.
Это достигаетс тем, что между матрицей и пуансонами помещают уплотн ющее тело из материала с коэффициентом термического расширени большим, чем коэффициенты расширени материалов матрицы и пуансонов.This is achieved by placing a sealing body of a material with a coefficient of thermal expansion greater than the coefficients of expansion of the materials of the matrix and the punches between the die and the punches.
На чертеже схематично изображено предлагаемое устройство.The drawing schematically shows the proposed device.
В теле матрицы 1 между термоусилителем 2 }1 пуансоном 3 помещено термоуплотнение 4, имеющее коэффициент термического расширени больший, чем коэффициент расширени материалов .пуансонов и матрицы.In the body of the matrix 1 between the thermal amplifier 2} 1, the punch 3 is placed on a thermal seal 4 having a coefficient of thermal expansion greater than the coefficient of expansion of the materials of the punches and the die.
При нагреве устройства термо тлотнение,, расшир сь, прен тствует затеканию материала термоуснлител в зазор между матрицей и пуансонами.When the device heats up, thermo-spreading, expanding, prevents the heat-drying material from flowing into the gap between the die and the punches.
П р е д м е т изобретен и PREMIUM invented and
Устройство дл прессовани , в рабочей зоне которого помещен термоусилитель давлени , отличающеес тем, что, с целью повышени обтюрации и исключени затекани материала в квазипластичеоком состо нии в зазоры, между матрицей и пуансонами помещено уплотн ющее тело, выполненное из материала с коэффициентом термического расширени , большим коэффициентов расширени материалов Матрицы и иуансонов.A pressing device, in the working zone of which a pressure intensifier is placed, characterized in that, in order to increase the obturation and prevent the material from flowing in a quasi-plastic state in the gaps, a sealing body, made of a material with a thermal expansion coefficient, is placed between the die and the punches coefficients of expansion of the materials of the Matrix and Ivansonov.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1757209A SU419672A1 (en) | 1972-03-15 | 1972-03-15 | DEVICE FOR PRESSING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1757209A SU419672A1 (en) | 1972-03-15 | 1972-03-15 | DEVICE FOR PRESSING |
Publications (1)
Publication Number | Publication Date |
---|---|
SU419672A1 true SU419672A1 (en) | 1974-03-15 |
Family
ID=20505919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1757209A SU419672A1 (en) | 1972-03-15 | 1972-03-15 | DEVICE FOR PRESSING |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU419672A1 (en) |
-
1972
- 1972-03-15 SU SU1757209A patent/SU419672A1/en active
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