材料裁切的经济性取决于板料长度的测量精度,因此,正确地估算测量误差有着重要的意义。通常用滚压法检测金属板料、带料的长度,该法是用形如测量圆盘的敏感元件和与其动作相联的测量圆盘转角变换器来进行检测。 The economy of material cutting depends on the measurement accuracy of sheet length, therefore, it is of great significance to correctly estimate the measurement error. Rolling method is usually used to detect the length of the metal sheet, strip, the method is used to measure the shape of the disk as the sensing element and its associated movement of the measured disk angle converter to detect.