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擠出產品尺寸不穩定(時大時?。┰趺崔k?

文章出處:www.koleov.com 閱讀:-發表時間:2019-04-08
原因分析 處理辦法
膠條的尺寸偏差太大 煉好的膠在切條時,盡可能做到寬度厚度一致(誤差不應超過30%)。
喂料過程中斷料 喂料過程中,膠料的尺寸、方法要保持一致且連續,出現斷料必然會導致產品尺寸不統一,當出現斷料時,請及時補上并將擠出速度略調大,使擠出產品尺寸一致,等料補齊后再調回擠出速度。
新舊膠料交替 新舊膠料交替時,由于放置時間的原因,膠料硬度會有一定差異(隨著環境溫度的升高,差異會更大),擠出機在同一速度時,擠出膠量會有變化。在每一次新舊膠料變更時,密切注意尺寸變化,以便調整擠出機速度進行補償。

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