The semi-autometic open-mouth bag packaqing machineadopts edvanced stainless steel weighing sensors, specal-ized weghing cntrol terminals for packaging mschinesprogrammable controller technoloqy, and no bucket/singlebucket/double bucuet net we ght measurement to achieveat actions in the automatic quonttatve peckaging processof materials #t has the characteristxs of high precision, highspeed, strong environmental adaptablity, and good systemrelinbaty