Extrusion & Post
7 조회수
POE extrusion pipe ovality exceeds standard
문제 현상
POE extruded pipe ovality >1.05, exceeding the 1.02 standard requirement
원인 분석
Pipe cooling uneven, single-side cooling; sizing sleeve design unreasonable; haul-off clamping force uneven causing pipe deformation under pressure
해결 방법
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
핵심 요약
Ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are key
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