Processing Machinery
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PPO Office Equipment Internal Parts
Problem Phenomenon
[Problem Phenomenon] Material selection for heat-resistant transmission parts inside copiers and printers
Cause Analysis
PPO is heat-resistant, dimensionally stable and can be conductively modified, suitable for internal structural transmission and static management parts of office equipment; low shrinkage ensures the precision of gears and rollers; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
Select PPO reinforced grades for internal transmission parts; select conductive grades for static management; utilize the low-shrinkage characteristic for precision parts; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPO covers all internal parts of office equipment, with transmission and conductivity each having its strengths; 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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