High pressure grouting forming process for ceramic billet
A technology of high-pressure grouting and forming process, which is applied in the direction of ceramic forming machines and manufacturing tools, and can solve the problems of insufficient compactness, uneven density of blanks, and differences in compactness of blanks, etc.
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Embodiment 1
[0027] The invention provides a high-pressure grouting molding process for ceramic blanks, which includes the following steps:
[0028] 1) Same as the traditional configuration slurry, the blank molding material is configured according to the required ratio, and mixed into a uniform slurry;
[0029] 2) Press the slurry into the high-strength permeable mold, and keep the slurry pressure inside the high-strength permeable mold at 0.3 MPa for 5 minutes, so that the slurry dehydrates and crusts on the inner surface of the high-strength permeable mold to form a ceramic blank;
[0030] 3) Discharge the remaining slurry in the high-strength permeable mold;
[0031] 4) Blow compressed air into the high-strength permeable mold to keep the pressure of the compressed air inside the high-strength mold at 0.1 MPa for 1 min;
[0032] 5) Set a sealing cover outside the high-strength water-permeable mold, inject compressed air into the sealing cover, make the external pressure of the ceramic...
Embodiment 2
[0035] 1) Same as the traditional configuration slurry, the blank molding material is configured according to the required ratio, and mixed into a uniform slurry;
[0036] 2) Press the slurry into the high-strength permeable mold, and keep the slurry pressure inside the high-strength permeable mold at 0.8 MPa for 2 minutes, so that the slurry dehydrates and crusts on the inner surface of the high-strength permeable mold to form a ceramic blank;
[0037] 3) Inject compressed air into the high-strength permeable mold to quickly discharge the remaining slurry;
[0038] 4) Blow compressed air into the high-strength permeable mold to keep the pressure of the compressed air inside the high-strength mold at 0.15MPa for 20s;
[0039] 5) Set a sealing cover outside the high-strength water-permeable mold, inject compressed air into the sealing cover, make the external pressure of the ceramic blank 500Pa higher than the internal pressure, and keep it for 1s, so that a separation air film...
Embodiment 3
[0042] 1) Same as the traditional configuration slurry, the blank molding material is configured according to the required ratio, and mixed into a uniform slurry;
[0043] 2) Press the slurry into the high-strength permeable mold, and keep the slurry pressure inside the high-strength permeable mold at 1.6MPa for 0.5min, so that the slurry dehydrates and crusts on the inner surface of the high-strength permeable mold to form a ceramic blank;
[0044] 3) Rapidly discharge the remaining slurry by injecting compressed air into the high-strength permeable mold;
[0045] 4) Blow compressed air into the high-strength permeable mold to keep the pressure of the compressed air inside the high-strength mold at 0.25MPa for 0.1min;
[0046] 5) Set a sealing cover outside the high-strength permeable mold, inject compressed air into the sealing cover, make the external pressure of the high-strength permeable mold 1000Pa higher than the internal pressure, and keep it for 0.1s to separate the ...
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