13. Color difference
The cause:
A. The sorting personnel have color misunderstandings (should distinguish the light, medium and deep of A single piece).
B. Replace a bad single sheet in one, resulting in a color difference in one.
C. Low color awareness of face welders.
D. Repair personnel replace the single piece is easy to cause color difference.
Preventive measures:
a. The sorting personnel strictly control the color difference and unify the classification.
b. Explain the color difference of the defective single piece.
c. Single series welding personnel should have self-inspection awareness to prevent color difference from flowing into the next process.
d. Reflective inspection personnel to carefully check, timely feedback and reo
rganization of color difference.
e. Repair personnel should check the color difference problem before repair.
14. Broken grid
The cause:
Due to raw materials.
Preventive measures:
Strengthen the inspection of incoming materials; Improve the proportion of sampling inspection, timely feedback with suppliers.
15, Poor profiles
Reason:
A. There are problems with incoming materials.
B. Caused by impact during processing.
C. Clean up scratches caused by blades and files.
Preventive measures:
a. The operator should have the ability to self-check the materials used.
b. Pay attention to the operation of the framing process, and often check the effect after framing.
c. When lifting components, hold them firmly, not at will.
d. When cleaning with blades, files should be careful to touch the aluminum profile.
e. Especially the size of the profile and the inner teeth on the long side are too shallow.
F. The technician shall manage and confirm the size of the frame after installation.
16, Glue bubble
Reason:
A. Rubber bubbles are mainly caused by bubbles in the rubber raw material or unstable air pressure of the air gun.
B. The gap is mainly caused by non-standard staff gluing techniques.
Preventive measures:
a. Strengthen personnel skills training and enhance self-test awareness.
b. Personnel glue method should be standardized.
c. Strict inspection by cleaning personnel.
d. Pay attention to adjust the air gun pressure.
