Processing Machinery
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PCABS LED Lighting Application
Problem Phenomenon
[Problem Phenomenon] LED lamp housings require heat resistance, flame retardancy, and light blocking or light transmission
Cause Analysis
PC/ABS is heat-resistant and flame-retardant; light-blocking grades are used for lamp bodies, and modified light-transmitting grades for covers; suitable for lamp temperature rise conditions; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
Select light-blocking flame-retardant grades for lamp bodies; select modified grades for light transmission requirements; verify temperature rise; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
PC/ABS lamp housings have their own strengths in light blocking and light transmission; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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