CIRCULAR SAW FOR CUTTING SECTION SHAPE STEEL

The present invention relates to a circular saw for cutting a shape steel, which is expected to improve usage lifetime by being able to prevent thermal abrasion and deformation by improving cooling efficiency during a cutting work and also being able to prevent insertion between cutting planes with...

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Bibliographische Detailangaben
Hauptverfasser:	YOU, JUNG YONG, CHOI, GYU HOUNE, KIM, DAE MOON, JEONG, HYUNG SIK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BROACHING COMPONENTS OR ACCESSORIES THEREFOR CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING FILING HAND CUTTING TOOLS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR NAILING OR STAPLING MACHINES IN GENERAL PERFORMING OPERATIONS PLANING SAWING SAWS FOR WOOD OR SIMILAR MATERIAL SCRAPING SEVERING SHEARING SLOTTING TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Beschreibung
Zusammenfassung:	The present invention relates to a circular saw for cutting a shape steel, which is expected to improve usage lifetime by being able to prevent thermal abrasion and deformation by improving cooling efficiency during a cutting work and also being able to prevent insertion between cutting planes with smooth chip discharge, by improving a shape of a blade performing the cutting work as to the shape steel. The circular saw of the present invention includes: a shank provided in a circular plate shape; and the blade which is extended to the outside of an outer circumference of the shank, and is integrated along the outer circumference of the shank. One side and another side of the blade are formed to become wide toward an extended part of the blade gradually from a start part of the blade. 본 발명은 형강재에 대한 절단작업을 수행하는 블레이드의 형상을 개선함으로써, 절단작업 시 냉각효율 향상으로 열 마모 및 변형을 방지할 수 있을 뿐만 아니라 칩 배출 원활하고 절단면 사이에 끼임을 방지할 수 있어 사용수명 향상을 기대할 수 있게 하는 형강재 절단용 원형톱에 관한 것으로, 원판 형상으로 제공되는 생크; 및 생크의 외주면 외측으로 연장됨과 아울러 생크의 외주면을 따라 일체로 형성되는 블레이드;를 포함하며, 블레이드의 일측면 및 타측면은 블레이드의 시작단에서부터 점층적으로 블레이드의 연장단 측으로 넓어지게 형성된다.