Production process of large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe

Abstract

The invention discloses a production process of a large-calibre epoxy glass fiber and braided strap winding extrusion draw pipe, comprising the following steps of: (1) selecting materials: selecting glass fiber filaments, epoxy resins and glass fiber braided straps as materials, and carrying out orientation distribution on the glass fiber braided straps; (2) dipping glue; (3) scraping the glue for performing; (4) carrying out orientation winding; (5) carrying out heat forming; and (6) cutting into finished products. In the invention, the outer diameter of a produced epoxy glass fiber extrusion draw pipe produced by the production process disclosed by the invention is 10-1000 mm, and therefore, cracking phenomenon is prevented from being generated in the extruding and drawing process of anextrusion draw pipe with a diameter larger than 30 mm in the traditional process and the production of the epoxy glass fiber extrusion draw pipe with the diameter larger than 30 mm becomes real; the production process is simple to operate, greatly enhances the torsional strength and the split strength of the extrusion draw pipe and reduces the operational risks of enterprises; in addition, a product produced by the process meets the requirements on design and quality, effectively enlarges the application range of the epoxy glass fiber extrusion draw pipe and is one of significant innovations of the production process of the large-calibre epoxy glass fiber and braided strap winding extrusion draw pipes throughout history.

Description

technical field [0001] The invention relates to the technical field of extruded tube manufacturing, in particular to a production process of epoxy glass fiber and ribbon winding extruded tube. Background technique [0002] Epoxy glass fiber extruded tube is a tube with a circular cross-section made of electrical alkali-free glass fiber impregnated with epoxy resin, heated and cured in a molding die, and continuously extruded. The extruded tube has high mechanical properties, Dielectric properties and good machinability, suitable for electrical equipment as insulating structural parts, and can be used in humid environments and transformers. [0003] With the development of science and technology, there are more and more demands for high-quality epoxy glass fiber extruded pipes of different varieties and specifications in some specific high-tech fields. When the extruded tube with a diameter greater than 30mm is produced, due to the large stress generated by the expansion and...

AI Technical Summary

Problems solved by technology

[0003] With the development of science and technology, there are more and more demands for high-quality epoxy glass fiber extruded pipes of different varieties and specifications in some specific high-tech fields. When the extruded tube with a diameter greater than 30mm is produced, due to the large stress generated by the expansion and contraction of the epoxy resin during the curing process, it is easy to cause the extruded tube to crack during the production process

Therefore, the production process of existing extruded pipes cannot produce larger diameter epoxy fiberglass extruded pipes, and the existing epoxy glass fiber extruded pipes are all epoxy glass fiber extruded pipes with smaller diameters. In the range of 5-25mm, it cannot meet the existing market demand for extruded tubes with larger diameters, high mechanical strength and electrical properties, thus affecting the promotion and application range of extruded tubes

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