Clay material for laser sintering 3D printing and preparation method of clay material
A 3D printing and laser sintering technology, which is applied to clay products, applications, household appliances, etc., can solve problems such as unfavorable bonding and extrusion, poor dimensional accuracy, and poor mechanical properties of clay. The method is simple and reliable, and the dimensional accuracy is good. , good fluidity effect
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Embodiment 1
[0026] 1. Add 50 parts by weight of kaolin with a fineness of 2000 mesh, 150 parts by weight of silica sol solution, and 5 parts by weight of water glass into a planetary ball mill for mixing, dispersing, and grinding for 2 hours to obtain a mixed solution A;
[0027] 2. Add 10 parts by weight of alkylammonium sulfate to the mixture A obtained in step 1, and use ultrasonic waves to vibrate and high-speed stirring at a speed of 500r / min to emulsify for 20-30min to obtain a mixed solution B;
[0028] 3. Spray-dry the mixed solution B obtained in step 2 with a spray dryer to obtain a spherical powdered clay material for laser sintering 3D printing molding technology.
Embodiment 2
[0030] 1. Add 65 parts by weight of montmorillonite with a fineness of 800 mesh, 200 parts by weight of aluminum sol solution, and 15 parts by weight of sodium tripolyphosphate into a planetary ball mill for mixing, dispersing, and grinding for 1 hour to obtain mixed solution A;
[0031] 2. Add 5 parts by weight of sodium alkyl phosphate to the mixture A obtained in step 1, and use ultrasonic vibration and high-speed stirring at a speed of 700r / min to emulsify for 20 minutes to obtain a mixed solution B;
[0032] 3. Spray-dry the mixed solution B obtained in step 2 with a spray dryer to obtain a spherical powdered clay material for laser sintering 3D printing molding technology.
Embodiment 3
[0034] 1. Add 60 parts by weight of kaolin with a fineness of 1200 mesh, 200 parts by weight of silica sol solution, and 10 parts by weight of sodium hexametaphosphate into a planetary ball mill for mixing, dispersing, and grinding for 2 hours to obtain a mixed solution A;
[0035] 2. Add 8 parts by weight of fatty alcohol sodium sulfate to the mixture A obtained in step 1, and use ultrasonic waves to vibrate and high-speed stirring at a speed of 600r / min to emulsify for 30 minutes to obtain a mixed solution B;
[0036] 3. Spray-dry the mixed solution B obtained in step 2 with a spray dryer to obtain a spherical powdered clay material for laser sintering 3D printing molding technology.
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