Powder 3D printing method based on instant inorganic binder
An inorganic binder, 3D printing technology, applied in the field of powder 3D printing, can solve the problems of easy corrosion of conveying pipes and printing nozzles, difficult long-term storage, nozzle clogging, etc., to achieve suitable surface tension, reduce production costs, and improve product quality. Effect
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Embodiment 1
[0022] A powder 3D printing method based on an instant inorganic binder, comprising the following steps:
[0023] 1) In terms of parts by mass, 99 parts of deionized water are used as the 3D printer binder, and 1 part of alcohol is added as a volatilization aid to improve the drying speed of the binder. Add modifiers to modify the binder, and the above mixed solution is used as the binder for powder 3D printing;
[0024] 2) Use 5 parts of powdered sodium sodium papaya as a solid binder, mix with 95 parts of sand powder as a raw material powder for a 3D printer, and adjust the powder properties without adding a flux. The mixed powder formed above is used as a powder 3D printed materials;
[0025] 3) Use 40 parts of the binder prepared in step 1) and 60 parts of the mixed powder prepared in step 2) for powder 3D printing. After printing, save the printed parts in the powder 3D printer for natural drying, or send them to a heat drying box Or dry in a microwave drying oven; afte...
Embodiment 2
[0028] A powder 3D printing method based on an instant inorganic binder, comprising the following steps:
[0029] 1) In terms of parts by mass, 98 parts of deionized water are used as the 3D printer binder, 1 part of alcohol is added as a volatilization aid to improve the drying speed of the binder, and inorganic ink is added as a colorant to color the binder, Add 1 part of thickener as a modifier to modify the binder, and the above mixed solution is used as a binder for powder 3D printing;
[0030] 2) Use 10 parts of powdered potassium sodium silicate as a solid binder, mix with 90 parts of sand powder as a raw material powder for a 3D printer, and adjust the powder properties without adding a flux, and the mixed powder formed above is used as a powder 3D printed materials;
[0031] 3) Use 40 parts of the binder prepared in step 1) and 60 parts of the mixed powder prepared in step 2) for powder 3D printing. After printing, save the printed parts in the powder 3D printer for ...
Embodiment 3
[0034] A powder 3D printing method based on an instant inorganic binder, comprising the following steps:
[0035] 1) In terms of parts by mass, 79 parts of deionized water are used as the 3D printer binder, 20 parts of alcohol are added as a volatilization aid to improve the drying speed of the binder, and 5 parts of inorganic ink is added as a colorant for the binder. For coloring, add 1 part of thickener as a modifier to modify the binder, and the above mixed solution is used as the binder for powder 3D printing;
[0036] 2) Using 10 parts of powdered sodium sodium papaya as a solid binder, mixed with 85 parts of diatomite powder as a raw material powder for a 3D printer, and adding 5 parts of calcium oxide (CaO) as a flux to adjust the powder properties, The mixed powder formed above is used as the material for powder 3D printing;
[0037] 3) Use 40 parts of the binder prepared in step 1) and 60 parts of the mixed powder prepared in step 2) for powder 3D printing. After pr...
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