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TG31型精密天平在计量机关用于检定一等砝码,在科研部门、高等院校、工矿企业作精密衡量使用。这种天平结构特殊,刀盒上没有升降刀子的螺钉及楔形垫板。若更换新刀后或在使用过程中一旦出现吃、离线过大的情况,就只有通过用木棒和鎯头朝相应方向敲打中刀盒的方法调整。但这种方法效果不好,其原因可能是由
TG31-type precision balance in the measurement of institutions for the first-class test weight, in scientific research departments, universities, industrial and mining enterprises for the precise measurement of use. This balance has a special structure. There is no screw and wedge plate on the knife box to lift the knife. If the new knife or after use in the event of eating, off-line situation is too large, only by the stick and the first step in the direction of the knife box hit the corresponding adjustment. However, this method is not effective, the reason may be caused by