Excessive solder - Metal can defects

Excessive solder - Metal can defects - Coating defects

Figure 1: Excessive solder.

Defect name: Excessive solder
Record No.: 1463
Type of defect (Internal/Surface): Surface
Defect classification: Coating defects, metal can defects
Steel name: Steel
Steel composition in weight %: No data.
Note:
Classification: Excessive solder is considered a serious three piece can defect, if: 1) a solder ridge 1/2 the can height in length by 0.4 mm (1/64") in thickness on the outside is found; or 2) the excess solder interferes with the forming of the double seam.
Description: Excessive solder at the customer lap area of the side seam which may cause deformation of the double seam at the crossover, resulting in excessive side seam droop, a raised seam, or a jumped seam. Excessive solder may also cause a pleat to form in the side seam lap. A thick lap is a condition where the side seam contains excess solder between the laps.
Common sources: Improper wiping of the solder.
Reference: Not shown in this demonstration version.