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Detail analysis for good FRP molding techniques II.
Writer:admin    Released:2016-01-18 10:00:16    Type:【L】【M】【S
Summary :The reproduction of mold production: after the main mold release wax, you can turn the system produce mold, production mold reproduction of the following steps:

The reproduction of mold production: after the main mold release wax, you can turn the system produce mold, production mold reproduction of the following steps:

1) spraying gel coat: As started making production mode, you must use better performance plastic mold clothing, in order to ensure that the final effect of the mold. And require injection to achieve a certain thickness (0.7-0.8mm).

2) mold laminate: after initial solidification tooling gel coat, you can begin the overlay. Overlay process can not be too fast, the general day lay 2-3 layers of fiberglass cloth or glass fiber mat. Overlay to use a certain amount of mold resin. The performance of this resin is superior to ordinary resins. Overlay process workers should be equipped with plastic, namely resin to add accelerators and curing agent, then using glue tool coating, a layer of fiberglass fabric coated with a layer of plastic, at the same time use the flat iron roll rush fabric row go bubble, make glue evenly. After reaching the specified thickness, ply ends. Under normal circumstances the thickness of the die to reach 3-5 times the product thickness. So time plies generally longer sustainable 6-7 days. (If you choose zero shrinkage mold resin can improve the efficiency, one can laminate 10mm)

3) Strengthening the curing mold: Mold can be naturally cured, can also be heat cured, but there are some general best natural cure period. After the natural curing period, to give the mold reinforcement, the mold in the production process Buzhi Yu damage.

4) production of the mold surface treatment: the production mold curing to the required time, you can play down from the main mold, unmolding can be manual workers, the mold can also be played with a high pressure gas. Production of unmolding need to do the same surface treatment, which including sandpaper, polishing, draw process lines, playing stripping products. Lay the product can be used in the production release product. Materials used in this phase are: tooling gel coat, mold resin, ordinary resin; curing agents, accelerators; fiberglass surface mat, glass fiber mat, glass fiber cloth; fine sandpaper, mold cleaning agent, sealing agent, polishing cream, stripping product (stripping wax, semi-permanent release agent, etc.). The tools in addition to mold processing tools, plus capped layer tools: such as rubber roller, plastic brush, iron roll. Mold making is a delicate and lengthy process, usually a front mold production cycle close to a month's time.

Tag:FRP
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