Extrusion & Post
11 görüntüleme
CEF extrusion pipe ovality exceeds the standard
Sorun Belirtisi
The ovality of the CEF extruded pipe is >1.05, exceeding the 1.02 standard requirement
Neden Analizi
Uneven cooling of the pipe, single-side cooling; unreasonable sizing sleeve design; uneven haul-off clamping force causes the pipe to be deformed under pressure
Çözüm
1) Adopt annular spray cooling to ensure uniform cooling; 2) Optimize the inner diameter and taper design of the sizing sleeve; 3) Multi-track uniform clamping haul-off; 4) Increase the length of the vacuum sizing section to ensure sufficient sizing
Temel Çıkarım
Ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are the key
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