Processing Machinery
7 görüntüleme
PC Assembly Stress Cracking
Sorun Belirtisi
[Problem Phenomenon] PC cracks after screws are over-tightened or press-fitted during assembly
Neden Analizi
Assembly stress superimposed with internal stress exceeds the material strength; excessive screw torque and press-fit interference are common causes; when troubleshooting on site, verify each item according to this mechanism one by one, and avoid blindly adjusting the machine based on experience alone
Çözüm
Control the assembly torque and interference; use metal inserts to disperse the stress; assemble annealed parts; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate effective measures
Temel Çıkarım
PC assembly cracking is stress superposition; torque and interference must be controlled; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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