Can seam Trouble shooting

15 Dec, 2021

No.	Anomalies	Possible reasons	Method of exclusion
1	The top of the can lid is creased with scratch marks and sharp edges.	The second operation seaming roller adjustment is too low	Slightly raise the seaming roller
2	The lid of the can lid is pressed to the flat and scratched.	The second operation seaming roller is too close to the chuck.	The second operation seaming roller is slightly farther from the chuck
3	Small footprints or small dots at the seal.	The first operation seaming roller is too far away from the chuck.	The first operation seaming roller is slightly closer to the chuck.
4	The side of the can has a good sealing effect on one side, and the other side has abnormal quality.	The can is not at the same center point as the chuck, The tray locking screw is loose.	Locking screw
5	The sealing curl is narrower and the sealing gap is too large.	The second operation seaming roller is too high from the chuck.	The second operation seaming roller is slightly lowered.
6	The sealing curl is not flat or curved	The height of the tray is too low, and the height of the can lifted up is not enough.	Increase the tray slightly or lower the overall sealing head, or increase the rise of the tray ascending cylinder.
7	After the seal is over, it will not fall automatically and the difficulty will be removed.	The height of the tray is too high, and the can lifted up is too high.	Lower the tray slightly to reduce the cylinder lift stroke.
8	The quality of the sealing is good or bad, and the distance between the seaming roller and the chuck is not adjusted well.	The lid does not match the chuck, there is a dummy position, or the chuck is too small and the lid is not fully inserted.	Rematch the new chuck.
9	Sealing curls often have one side intact and one side has a breach	The return of the seaming roller is not normal, the tension of the return spring is not enough, the axis of the seaming roller is tight, and the rotation is abnormal.	Replace the return spring and add lubricant.