Rapid molding tire retreading method for fiberglass-reinforced plastic mold

Abstract

The invention discloses a rapid molding method for a mold. The rapid molding method comprises the following steps: according to the outline drawings of the product being processed or the product entity, a group of section template drawings and a group of reverse section template drawings are designed, and positioning holes are designed; section templates, reverse section templates and positioning pipes between section templates and reverse sections are processed; cold-drawn steel bars or steel pipes are used to connect the section templates, reverse section templates and positioning pipes into a whole according to the assembly sequence respectively, so as to obtain a mold framework and a positioning framework; the positioning framework is filled with filling material which plays a role of supporting; the mold framework is filled with foam material filler, such as required, then a soft molding material reinforced layer is pasted, and a putty layer or a plaster layer or an easy-to-polish primer layer is applied, polished and shaped to form a mold, and a half mold is duplicated; and the half mold and the mold framework are turnover together, then putty is applied, polished and shaped to form another mold. According to the rapid molding method provided by the invention, glass reinforced plastic molds can be rapidly formed and duplicated, the mold prepared by the method is of high accuracy, the manufacture technology is simple, and the cost is very low.

Description

technical field [0001] The invention relates to a method for remaking a glass fiber reinforced plastic mold from a rapid prototyping mold tire. Background technique [0002] Fiberglass reinforced plastic (FRP) mold is based on the molded tire as the prototype, resin as the matrix material, glass fiber as the reinforcement material, and reinforced with a metal skeleton. The mold tire is the benchmark for mold remaking and the most critical link in mold making. There are many ways to make mold tires. The traditional mold tire production method is to build up molds with gypsum, wood, cement, and paraffin. The molds made by this method have low geometric accuracy and long processing cycle, which cannot meet the requirements of high-standard molds. Production requirements. Nowadays, the newly developed method of processing mold tires is to use "dai wood" as raw material to draw entities with 3D drawing software, and to process mold tires through numerical control equipment. The...

AI Technical Summary

Problems solved by technology

There are many ways to make mold tires. The traditional mold tire production method is to build up molds with gypsum, wood, cement, and paraffin. The molds made by this method have low geometric accuracy and long processing cycle, which cannot meet the requirements of high-standard molds. Production requirements

Nowadays, the newly developed method of processing mold tires is to use "dai wood" as raw material to draw entities with 3D drawing software, and to process mold tires through numerical control equipment. The mold tires made by this method have high precision and short cycle, but the production cost is too high. economically unacceptable

Images