Extrusion & Post
12 مشاهدة
MP extruded pipe ovality exceeding standard
ظاهرة المشكلة
MP 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 compression deformation
الحل
1) adopt annular spray cooling to ensure uniform temperature reduction; 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 calibration
الخلاصة الأساسية
ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are key
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