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MIXED POWDER PRODUCTION METHOD, MIXED POWDER PRODUCTION DEVICE, ADDITIVE MANUFACTURING METHOD, AND ADDITIVE MANUFACTURING DEVICE
MIXED POWDER PRODUCTION METHOD, MIXED POWDER PRODUCTION DEVICE, ADDITIVE MANUFACTURING METHOD, AND ADDITIVE MANUFACTURING DEVICE
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机译:混合粉末生产方法,混合粉末生产装置,添加制造方法和添加剂制造装置
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摘要
The objective of the present invention is to provide a mixed powder production method, a mixed powder production device, an additive manufacturing method, and an additive manufacturing device, with which a plurality of types of powders can be accurately and quickly mixed in a desired mixing ratio. This mixed powder production method uses a plurality of types of powders as a raw material, and has: a first step, in which a plurality of raw material powder supply passages, which are provided respectively for each of the plurality of types of powders, are used to pressure-feed the plurality of types of powders to a gap space; a second step, in which the pressure-fed plurality of types of powders are sprayed into the gap space, which has a cross-sectional area larger than the total of the cross-sectional areas (the total cross-sectional area) of the plurality of raw material powder supply passages, thereby mixing the plurality of types of powders and obtaining a mixed powder; and a third step, in which the mixed powder is discharged from a discharge opening provided downstream from the gap space.
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