Extrusion & Post
9 مشاهدة
POE extrusion pipe ovality exceeds standard
ظاهرة المشكلة
POE extruded pipe ovality >1.05, exceeding the 1.02 standard requirement
تحليل الأسباب
Pipe cooling uneven, single-side cooling; sizing sleeve design unreasonable; haul-off clamping force uneven causing pipe deformation under pressure
الحل
1) Adopt annular spray cooling to ensure uniform cooling; 2) Optimize sizing sleeve inner diameter and taper design; 3) Multi-track uniform clamping haul-off; 4) Increase vacuum sizing section length to ensure full sizing
الخلاصة الأساسية
Ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are key
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