Processing Machinery
3 조회수
PMMA Display Stand Bonding
문제 현상
Display stands crack at bonded joints, deform after load-bearing assembly, and receive complaints after delivery
원인 분석
Display stand bonding strength depends on surface cleanliness and adhesive curing; load-bearing assembly stress superimposes on the bonding interface; solvent bonding induces cracks when sheet stress has not been relieved; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
①Clean the bonding surface and anneal as pretreatment; ②verify load-bearing structure calculations and add mechanical fixing assistance; ③fully cure after bonding before assembly; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
핵심 요약
The structural safety of PMMA display stands relies on bonding plus mechanical double insurance; annealing and cleaning are prerequisites for bonding quality; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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