一、天平翼支板松动天平经过几年使用,尖端定位螺钉经过长时间的磨损或固紧螺帽松动,会使天平翼支板前后松动,因而产生跳针、带针、吊耳晃动等现象,致使天平示值变动。纠正天平翼支板松动,可把天平翼支板的固紧螺帽旋松,将尖端 After a few years of use, the sharp-end set screws wear or tighten the nut for a long time, which will loosen the front and back of the balance wing support, resulting in the phenomenon of jumping needles, pins and lugs shaking , Resulting in changes in balance indicator. Correct the balance wings loose loosening, the balance wing wing can be loosened screw nut, the tip