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主營:玻璃鋼管,玻璃鋼電力管,玻璃鋼夾砂管,玻璃鋼電纜保護管,玻璃鋼纏繞管等
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當前位置新聞動態 >> 玻璃鋼管制備
玻璃鋼管制備
[來源:http://hsgd88.com] [作者:567zx] [日期:19-05-22] [瀏覽次數:]

玻璃鋼管制備
Preparation of FRP Pipe
玻璃鋼管生產工藝主要有三種類型:往復式纖維纏繞工藝、連續式纖維纏繞工藝以及離心澆注工藝。
There are three main types of FRP production process: reciprocating filament winding process, continuous filament winding process and centrifugal casting process.
往復式纖維纏繞工藝(屬于定長法):在這種工藝方法中,浸膠槽隨轉動的芯模作往復運動,長纖維玻璃絲以一定的斜角相對于芯模軸輔放,輔角(即纏繞角)受浸膠槽的移動速度和芯模轉速之比控制,浸膠槽的平移運動由計算機化的機-電控制。纏繞層數逐漸增加,達到設計的壁厚為止。纏繞完成后,使制品中的樹脂基本固化。固化后,從玻璃鋼管中脫出芯模。
Reciprocating filament winding process (belongs to fixed length method): In this process, the dipping trough moves reciprocating with the rotating mandrel, the long fiberglass filament is placed with a certain oblique angle relative to the mandrel axis, the auxiliary angle (i.e. the winding angle) is controlled by the ratio of the moving speed of the dipping trough to the rotating speed of the mandrel, and the translation motion of the dipping trough is controlled by computerized machine-electricity. The number of winding layers increases gradually until the designed wall thickness is reached. After winding, the resin in the product is basically cured. After curing, the core die is removed from the FRP pipe.
連續式纖維纏繞工藝(屬于連續法) :該工藝是管子在運動中通過一個供給樹脂預浸無捻粗紗,短切玻璃鋼纖維和樹脂砂混合物的供料站,管子是在芯模連續不斷的前進中制成的。
Continuous filament winding process (belongs to continuous method): The process is that the pipe is made in the continuous progress of the core mould through a feeding station for resin prepreprepreg twistless roving, short cut fiberglass reinforced plastic fiber and resin sand mixture in motion.
離心澆注工藝(屬于定長法) :在此工藝中,用切斷的玻璃纖維增強材料和砂,喂入固定在軸承上的鋼制模具中,在鋼模一端注入加催化劑的不飽和樹脂,使其浸漬增強材料,在離心力作用下,樹脂置換出纖維及填料中的空氣,從而制造出無孔隙的致密復合材料,由于離心力的作用管內壁形成一個平滑、光潔的富有樹脂的內表面層,管材在較高溫度下固化。用這種方法制造的管又稱玻璃鋼夾砂管。
Centrifugal casting process (belongs to fixed length method): in this process, cut glass fiber reinforced materials and sand are fed into the steel mould fixed on the bearing, and unsaturated resin with catalyst is injected into one end of the steel mould to impregnate the reinforcing material. Under the action of centrifugal force, the resin replaces the air in the fibers and fillers, thus producing porous and compact composite materials. Centrifugal force acts on the inner wall of the tube to form a smooth, smooth and resin-rich inner surface layer, and the tube solidifies at a higher temperature. The pipe manufactured by this method is also called FRP sandwich pipe.
世界上采用往復式纖維纏繞工藝制管的廠家比其它兩種生產工藝生產廠家多的多,原因之一是往復式纖維纏繞工藝制造的玻璃鋼管具有更廣泛的用途,適用性比較好。
There are more manufacturers using reciprocating filament winding process than the other two processes in the world. One of the reasons is that the FRP pipe manufactured by reciprocating filament winding process has a wider use and better applicability.

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