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    • 47. 发明公开
    • 3축 로드셀을 이용한 시편의파괴인성치 측정장치
    • 使用三轴载荷测量样品的断裂韧性的装置
    • KR1020030005689A
    • 2003-01-23
    • KR1020010041076
    • 2001-07-10
    • 한국과학기술원
    • 이경우김종호엄윤용이순복
    • G01N3/00
    • PURPOSE: A device for measuring fracture toughness of specimen is provided to achieve improved sensitivity by reducing interferences among three axes and measuring pure bending force. CONSTITUTION: A device for measuring fracture toughness of specimen, comprises a base(100); a linear step motor(200) mounted on the base so as to generate a driving force; a support(300) mounted on the linear step motor in such a manner that the support reciprocates in a horizontal direction; a vertically movable unit(400) coupled to the side of the support in such a manner that the vertically movable unit is movable in a vertical direction by the adjustment of a vernier caliper(420); a grip unit(500) having a forward grip(520) coupled to the side surface of the vertically movable unit and coupled to an end of a specimen(540) through a connection grip(560); a load cell(600) coupled to the connection grip, and which has a plurality of strain gauges attached to the outer periphery of the load cell so as to measure the force being applied to each direction of x, y and z-axes; and a load cell fixing unit(700) mounted on the base, and which supports an end of the load cell.
    • 目的:提供一种用于测量试样断裂韧性的装置,通过减少三轴之间的干扰并测量纯弯曲力来提高灵敏度。 构成:用于测量试样的断裂韧性的装置,包括基体(100); 安装在所述基座上以产生驱动力的直线步进马达(200); 支撑件(300),其以支撑件在水平方向上往复运动的方式安装在所述线性步进电机上; 垂直移动单元(400),其以所述可升降单元可通过调节游标卡尺(420)在垂直方向上移动而联接到所述支撑件的侧面; 握持单元(500),其具有联接到所述可垂直移动单元的侧表面的前握柄(520),并且通过连接手柄(560)联接到样本(540)的端部; 耦合到所述连接把手的测力传感器(600),并且具有附接到所述测力传感器的外周的多个应变仪,以测量施加到x,y和z轴的每个方向上的力; 和安装在基座上的称重传感器固定单元(700),并且支撑测力传感器的一端。