Fiber-woven pultrusion pipeline and production method
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A technology of fiber braiding and piping, applied in the direction of pipes, rigid pipes, tubular objects, etc., can solve the problems of low longitudinal strength, low stiffness, short life, etc., achieve high strength and rigidity and impact resistance, simple production process, and easy production high efficiency effect
Active Publication Date: 2012-11-14
深圳鑫宝通材料科技有限公司
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[0003] As we all know, the pipes wound and formed by fiberglass composite materials have low longitudinal strength, complicated process, poor hoop strengt
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[0020] Below in conjunction with the accompanying drawings, the present invention will be described in further detail. It is clear to those skilled in the art that this fiber layer weaving technology includes the middle layer weaving technology.
[0021] figure 1 The three-layer schematic diagram of the basic structure of the fiber braided layer is given, figure 2 A process flow diagram is given, see figure 2 , the mold 22 is fixed on the mold support 21, the outer mold 27 is heated up, and the braiding machine 23 and the braiding machine 25 and the fiber spindle and the intermediate layer 24 are ready, figure 1 The fiber layer is coated on the mandrel 22 and dipped in the dipping tank 26, together with the intermediate fiber, enters the outer mold 27 under the traction of the tractor 28, heats and solidifies, and the product comes out from the right end to a length of 6 meters or the design requirement Cutting machine 29 cuts automatically after the length, becomes produc...
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Abstract
The invention relates to a fiber-woven pultrusion pipeline and a production method, wherein shape of a pipe is like a cylinder; an inner wall and an outer wall of the pipe are smooth surfaces; inside diameter of the pipe is 20-400 mm; size and thickness of the pipe are determined according to a design requirement; the pipe is woven by a plurality of long fibers to form fiber layers; each fiber layer is provided with a layer of resin materials, and is formed by heat curing; and the fiber layers are composed of a plurality of fiber-woven layers. The production method comprises the following steps: weaving by a plurality of layers; dipping with glue in vacuum; solidifying; dragging; and cutting finished products. Compared with the prior art, the advantage that fiber composites have light weight and high strength is played, the defect that transverse strength and rigidity of normal pultrusion pipes are poor is overcome, and the problem that longitudinal strength of fixed length winding pipes is poor, labor force is more, and processes are fussy also are solved in the invention. Large-size fiber-woven pipelines are pulled and extruded under a state that moulds do not move at the first time; the pipelines can be produced continuously; and production efficiency is high.
Description
[technical field] [0001] The invention relates to the technical fields of building water supply and drainage, sewage, optical fiber, cable, underground construction of roads and railways, water conservancy irrigation, chemical industry, and mine fluid delivery pipelines, specifically a fiber braided pultruded pipeline and a production method. [Background technique] [0002] With the development of our country's economy, the safety requirements for municipal engineering, building water supply and drainage, power system, chemical industry, communication, and irrigation are also increasing. Therefore, it is more important to choose a better pipeline. Materials, such as steel pipes, iron pipes, etc., due to the high energy consumption and many processes in the production process of traditional metal pipes, and the metal conductivity and easy to rust in harsh environments such as humidity, dirt, and coastal salt spray in actual use , Short life, high facility maintenance costs an...
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