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1.故障原因(1)开关轴的接触部位因腐蚀或保养不善(如环境潮湿或卫生不清洁等)而生锈。(2)盘托孔内有杂物等。(3)盘托与盘托孔接触过紧。(4)翼翅板前后的胡芦头(或称土字头)夹板相靠擦。(5)升降轴上端与胡芦头(土字头)接触过紧。(6)盘托杆弯曲变形。(7)盘托杆底部不平滑或有毛刺所致。2.调修方法(1)把天平的秤盘、吊耳和横梁依次取下。将天平侧向放倒,最好倒向有机械加码装置的方向,机械加码防护罩等起支撑作用,防止碰坏天平的玻璃旁门。
1. Causes of failure (1) The contact area of the switch shaft is rusty due to corrosion or poor maintenance (such as wet or dirty environment). (2) plate tray holes and other debris. (3) Disc tray and disc tray hole too close contact. (4) wing flap before and after the Hulu head (or soil prefix) splint by rubbing. (5) lifting the shaft and Hulu Tou (soil prefix) contact too tight. (6) plate support rod bending deformation. (7) plate tray bottom is not smooth or burr caused. 2 repair methods (1) the balance pan, lifting lugs and beams in turn removed. The balance sideways down, it is best to reverse the direction of a mechanical coding device, machinery plus code protective cover, etc. from the support role, to prevent damage to the balance of the glass side door.