Preparation method of metal and high polymer material composite 3D printing wire
A polymer material and printing wire technology, applied in the field of metal manufacturing, can solve the problems of poor toughness of metal 3D printing wire, and achieve the effect of good breaking strength and good elongation
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[0034]Example 1
[0035]A method for preparing metal and polymer composite 3D printing filaments includes the following steps:
[0036](1) Add 800g of 316L stainless steel powder with a particle size of 400 mesh and 100g of polypropylene into the internal mixer and mix until the stress is stable, the reaction temperature is 185°C, and the rotation speed is 150r / min;
[0037](2) Add 50g of paraffin wax and 15g of stearic acid to the internal mixer in sequence and mix them to obtain the internal mixer;
[0038](3) The banbury material prepared in step (2) is extruded through a single-screw extruder to rewind the 3D printing filament, the extrusion temperature is 190°C, and the rotation speed is 400r / min;
[0039](4) Extruding the metal printing filament through the melting 3D printing equipment, the printing temperature is 200℃, the printing speed is 100%, and the blank is produced;
[0040](5) Put the blank prepared in step (4) into an oven, heat it up to 400°C at a rate of 0.5°C / min, and keep it for ...
Example Embodiment
[0046]Example 2
[0047]A method for preparing metal and polymer composite 3D printing filaments includes the following steps:
[0048](1) Add 800g of 316L stainless steel powder with a particle size of 400 mesh and 140g of polypropylene into an internal mixer and mix until the stress is stable. The reaction temperature is 190°C and the rotation speed is 200r / min;
[0049](2) Add 50g of paraffin wax and 15g of stearic acid to the internal mixer in sequence and mix them to obtain the internal mixer;
[0050](3) The banbury material prepared in step (2) is extruded through a single-screw extruder to rewind the 3D printing filament, the extrusion temperature is 190°C, and the rotation speed is 400r / min;
[0051](4) Extruding the metal printing filament through the melting 3D printing equipment, the printing temperature is 200℃, the printing speed is 100%, and the blank is produced;
[0052](5) Put the blank prepared in step (4) into an oven, heat it up to 400°C at a rate of 0.5°C / min, and keep it for 2 ...
Example Embodiment
[0058]Example 3
[0059]A method for preparing metal and polymer composite 3D printing filaments includes the following steps:
[0060](1) Add 800g of 316L stainless steel powder with a particle size of 400 mesh and 100g of polypropylene into the internal mixer and mix until the stress is stable, the reaction temperature is 190℃, and the rotation speed is 200r / min;
[0061](2) Add 80g of paraffin wax and 15g of stearic acid to the internal mixer in sequence and mix them to obtain the internal mixer;
[0062](3) The banbury material prepared in step (2) is extruded through a single-screw extruder to rewind the 3D printing filament, the extrusion temperature is 190°C, and the rotation speed is 400r / min;
[0063](4) Extruding the metal printing filament through the melting 3D printing equipment, the printing temperature is 200℃, the printing speed is 100%, and the blank is produced;
[0064](5) Put the blank prepared in step (4) into an oven, heat it up to 400°C at a rate of 0.5°C / min, and keep it for 2...
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