Phenolic aldehyde hard foam wound and glue-added glass fiber vehicle frame and preparation method thereof
A rigid foam and glass fiber technology, applied in bicycle frames, adhesives, epoxy resin glue, etc., can solve the problems of high price, restriction of frame shape design, inability to popularize consumption, etc., and achieve simple production process and personalized design. Effect
Active Publication Date: 2015-01-14
张红明
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- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The first three are limited by the shape of metal profiles, and the shape design of the frame is greatly restricted. Although carbon fiber is not limited by the shape, it is expensive and cannot be consumed by the masses.
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0023] The present invention will be further described below in conjunction with specific embodiments.
[0024] Firstly, the frame matrix mold is made according to the design, and the phenolic rigid foam molding matrix is injected into the mold and cured. At the same time, parts and positioning tooling are made, and the cured matrix and parts are installed on the positioning tooling. Phenolic rigid foam is purchased from Changzhou Chaoxiang Foam Material Co., Ltd.
[0025] Apply glue on the positioned substrate, then wrap the non-alkali glass fiber cloth tape, apply glue repeatedly and wind the non-alkali glass fiber cloth tape until the thickness of the covering layer reaches 2mm, the outer layer of the non-alkali glass fiber cloth tape can be covered carbon fiber.
[0026] The glue is prepared from the following raw materials in parts by weight: epoxy resin E44: 100 parts; dibutyl phthalate: 10 parts; phenolic resin 2130: 30 parts; polyamide 650: 50 parts; white carbon bl...
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Abstract
The invention discloses a phenolic aldehyde hard foam wound and glue-added glass fiber vehicle frame and a preparation method thereof. Phenolic aldehyde hard foam serves as the base body of the vehicle frame, and an outer layer cladding layer is a plurality of layers of wound alkali-free glass fiber fabric bands. The preparation process comprises the following steps of at first, preparing a vehicle frame base body die, and filling with the phenolic aldehyde hard foam to mold the base body which is then cured; manufacturing parts and a positioning tool, and mounting the base body and the parts on the positioning tool; coating glue onto the positioned base body, winding the alkali-free glass fiber fabric bands, repeating the steps of coating the glue onto the positioned base body and winding the alkali-free glass fiber fabric bands, curing the vehicle frame, repairing and plastering the vehicle frame, and grinding the vehicle frame until the surface of the vehicle frame is smooth. The strength of the vehicle frame is similar to that of a carbon fiber vehicle frame, but the price of the vehicle frame is about a half of the price of the carbon fiber vehicle frame, the manufacturing process is simple, and the vehicle frame can be individually designed according to needs.
Description
technical field [0001] The invention relates to a bicycle frame, in particular to a phenolic rigid foam wound and glued glass fiber frame and a preparation method thereof. Background technique [0002] Bicycles are mainly means of transportation powered by human pedaling. Compared with motorcycles, automobiles and other means of transportation, although bicycles are relatively slow, they are safe and have the effect of exercising, so they are widely welcomed. . The bicycle combines the relevant principles of ergonomics and aerodynamics, and has many parts, such as frame, fork frame, handle, wheel rim, chain and so on. In order to reduce the weight of bicycles and save the rider's physical strength, bicycles have been gradually developed from metal materials to fiber composite materials. [0003] The existing bicycle and electric bicycle frame materials include: chrome-molybdenum steel, aluminum-magnesium alloy, titanium alloy and carbon fiber. The first three are limited ...
Claims
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IPC IPC(8): B62K19/16C09J163/00C09J161/06C09J177/00C09J11/04C09J11/06
Inventor 张红明
Owner 张红明