METHOD AND DEVICE FOR FORMING OVERHUNG STRUCTURE BY METAL-DRIP DISCHARGING THREE-DIMENSIONAL (3D) OBJECT PRINTER

To provide a method and device for forming an overhung structure by a metal-drip discharging three-dimensional (3D) object printer.SOLUTION: A device operates to form an inclined surface having an inclination angle exceeding 45° from a line vertical to a structure a layer forming an inclined surface...

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Hauptverfasser:	DAVID G TILLEY, MICHAEL F DAPIRAN, DAVID A MANTELL, CHRISTOPHER T CHUNGBIN, DINESH KRISHNA KUMAR JAYABAL, PRIYAANKA DEVI GUGGILAPU, DANIEL CORMIER, WALTER HSIAO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	To provide a method and device for forming an overhung structure by a metal-drip discharging three-dimensional (3D) object printer.SOLUTION: A device operates to form an inclined surface having an inclination angle exceeding 45° from a line vertical to a structure a layer forming an inclined surface is formed. The angle corresponds to a step-out distance from the vertical line and an individual, maximum step-out distance determined from empirically derived data. By executing multiple passes of a discharge head of the device within the layer, an inclined edge can be formed. Because the mass of an inclined structure is distributed within the inclined edge, the edge can be formed without encountering defects.SELECTED DRAWING: Figure 2 【課題】金属滴排出三次元（３Ｄ）物体プリンタによってオーバーハング構造を形成するための方法及び装置を提供する。【解決手段】装置は、傾斜面を形成する層が形成される構造に対して垂直である線から４５°を超える傾斜角を有する傾斜面を形成するように動作する。角度は、垂直線からのステップアウト距離、及び経験的に導出されるデータから判定される個々の最大ステップアウト距離に対応する。装置の排出ヘッドの多重パスを層内で実行して、傾斜縁部を形成することができ、傾斜構造の質量が傾斜縁部内に分配されるので、欠陥を伴うことなく縁部が形成される。【選択図】図２