PIPE BENDING DEVICE TO IMPROVE PIPE QUALITY

The present invention relates to a pipe bending device, and more specifically, to a press-type pipe bending device, in which a ball unit distributes the stress concentrated on a pipe at an inflection point in a process of secondary pressing of the pipe, thereby improving the quality of a finished pi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HA SI HYEONG, SON IN SOO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The present invention relates to a pipe bending device, and more specifically, to a press-type pipe bending device, in which a ball unit distributes the stress concentrated on a pipe at an inflection point in a process of secondary pressing of the pipe, thereby improving the quality of a finished pipe. The pipe bending device of the present invention comprises an upper mold unit, a lower mold unit, and a ball unit, and upper and lower mold support parts are formed at inflection points of the upper and lower mold units to receive a part of the pressure applied to a pipe when the ball unit passes through the inflection points, thereby preventing distortion of the pipe. 본 발명은 파이프 벤딩 장치에 관한 발명으로, 보다 상세하게는 프레스 타입의 파이프 벤딩 장치에 있어서, 볼유닛이 파이프를 2차 가압하는 과정에서 변곡지점에서의 파이프의 응력 집중을 분산하여 완성된 파이프의 품질을 향상시킬 수 있는 것을 특징으로 한다.