The Blue Color FRP Grating With High Quality In Special Color

The Blue Color FRP Grating With High Quality In Special Color

the blue color FRP grating with high quality in special color Production process There are mainly three types of FRP production processes: Reciprocating filament winding process, continuous filament winding process and centrifugal casting process. The reciprocating fiber winding process (belongs...

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the blue color FRP grating with high quality in special color

Production process


There are mainly three types of FRP production processes: Reciprocating filament winding process, continuous filament winding process and centrifugal casting process.


The reciprocating fiber winding process (belongs to the fixed length method): in this process, the dipping groove is reciprocated with the rotating core, and the long fiber glass wire is assisted by a certain inclined angle relative to the core mold axis. The auxiliary angle (that is the winding angle) is controlled by the ratio of the moving speed of the dipping slot and the ratio of the core mold speed. The translation movement of the soaking slot is computerized. Machine - electric control. The number of winding layers increases gradually until the wall thickness of the design is reached. After winding, the resin in the product is basically solidified. After curing, the core die is removed from the glass tube.


Continuous filament winding process (a continuous process): this process is a feeding station in which a pipe is preprepresoaked without twisting roving, short cut fiberglass fiber and resin sand mixture in motion. The pipe is made in continuous advance of the core mold.


The centrifugal casting process (belongs to the fixed length method): in this process, the material and sand are reinforced with cut glass fiber to be fed into the steel mould fixed on the bearing, and the unsaturated resin with catalyst is injected at one end of the die to impregnate the reinforced material, and the resin is replaced with the air in the fiber and the filler under the action of centrifugal force. As a result of the centrifugal force, the inner surface of a smooth and smooth resin is formed, and the tube is solidified at a higher temperature. The tubes made by this method are also called glass fibre reinforced plastic sand pipes.


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