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FRP manufacturing process Overview

Release time:2015-09-18 10:52:38

1, hand lay production methods, low investment in equipment, less constraints shape of the product, for small batch production. Its production conditions need to produce products of the mold, and grasp the hand lay-up process of technical points. However, products made of this production method, quality is not stable, quality of the products is not high enough, difficult to meet the performance requirements for certain products.


2, the injection molding method, an injection machine by means of manual lamination method. The method has high efficiency, low cost, have gradually replaced the traditional hand lay-up process trend. Its product integrity, no lap seam, and the product geometry essentially no restrictions, molding process is not complicated, material formulation to maintain a certain accuracy. The downside is that the quality of products to a large extent, depends on the operation of the production skills of workers. In addition, the pollution caused by injection, generally larger than the other process method.


3, filament winding process method, is resin-impregnated continuous fiber, according to certain rules wound onto a mandrel, laminated to a desired thickness after curing stripping, Serve products. Features of this method, according to the product is designed to withstand the stress of fibers wound law, so that the fiber tensile strength into full play, and easy to implement mechanization and automation, product quality and more stable, if equipped with different resin matrix and fiber organic compound, will receive the best technical and economic results. Filament winding process can be successfully used in the production of glass pipes, tanks, cylinders, fan blades, supporting high jump pole, wire rod, badminton and other products.


4, compression molding and molding plastic molding process, the pressing process and equipment conditions are basically the same as the former use as a molding material dipped fabric, which uses a sheet, lumps, bulk molding material, first a certain amount of molding material placed metal to mold, then at a certain temperature and pressure required for molding of glass fiber reinforced plastic. This production molding method, the obtained product size precision, smooth surface, high production efficiency can be a molding, and the product quality is more stable and suitable for mass production of small glass and steel products. The downside is mold design and manufacture more complex, higher initial investment in production, and by limiting device parts more prominent.


5, pultrusion method, the traction device is under traction, the fibrous reinforcing material impregnated with a resin, the first preform in the mold, and heated to cure the molding, steel sections made of glass, fiberglass and finally cut to the desired length products.


In the production of glass fiber reinforced plastic molding technology method, each technology has its own characteristics. Production enterprises in the selection process for determining which employ, to be based on the basic situation and the situation of enterprises producing products, such as batch and mass production of the product requirements, and the factors of production funding base and technology companies such as comprehensive consideration.

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