Processing Machinery
4 görüntüleme
Bending from uneven cooling of PP pipes
Sorun Belirtisi
The pipe bends to one side after cooling, and the straightness is out of tolerance.
Neden Analizi
Uneven cooling in all directions of the cooling water tank makes the pipe wall shrink inconsistently; improper spray angle or excessive water temperature aggravates the bending.; during on-site investigation, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
①Adjust the spray angle to make circumferential cooling uniform; ②control the water temperature; ③straighten the production line centerline; ④optimize haul-off stability.; after adjustment, continuously sample and verify the effect, and resume mass production after confirming stability
Temel Çıkarım
Pipe bending is the direct result of uneven cooling; uniform circumferential cooling is the basic guarantee of straightness.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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