一、前言 由于冶金企业载荷重过磅频繁,使用过程中有时汽车上磅急刹车,行车吊料过磅的加速度冲击等,都严重地威胁衡器的精度和使用寿命。为了保持秤的精度,需每月校验 I. Preface As metallurgical enterprises often weigh heavily, the braking force on the car is sometimes on the pound and the acceleration impact of the crane on the car are seriously threatening the accuracy and service life of the instrument. In order to maintain the accuracy of the scale, a monthly calibration is required