又粗又长又硬爽死我了动态图

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FRPP管擠出機的結構與擠出FRPP管的過程

FRPP管擠出成型使用擠出機和模頭(機頭),塑化擠出熱可塑性樹脂成相應形狀,再經冷卻定型成為制品。如管材、棒材、膜、板、異型材、包覆電線等。

    FRPP擠出機主機由三部分組成: 1. 擠出系統, 2. 傳動系統, 3. 加熱冷卻系統。

 

擠出系統由螺桿、料筒組成;傳動系統由電機、減速箱組成作用是驅動螺桿旋轉 ; 加熱冷卻系統由加熱器、冷卻鼓風機組成,控制擠出過程中溫度在相應范圍內變化。

 

擠出FRPP時,螺桿由電機通過齒掄箱帶動旋轉,旋轉的螺桿從加料口攫取物料,通常是松散的片狀、粉狀、粒狀固體冷料,這種固體料可由均聚物、共聚物或棍合物組成,可以是帶有各種添加劑的混合物。物料在被壓實、推擠的同時,與熱的機筒壁產生大量的流動接觸,并且受到剪切和混合。在熱機筒和摩擦剪切作用下,熱塑性塑料軟化,經機頭口模成型為所需要的形狀。

 

FRPP 管擠出輔機的組成根據制品的種類而定。一般說來,輔機是由機頭、定型裝置、冷卻裝置、牽引裝置切割裝置及制品的卷取或堆放裝置等部分組成。

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又粗又长又硬爽死我了动态图
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