Mene ne babban hanyar gyare -gyaren mica board epoxy gilashin fiber jirgin

1. Kwanciya da-rigar kwanciya

Aiwatar da wakili mai sakin jiki da ɗigon ruwan ɗumi-ɗumi na ruwa mai matsakaici mai aiki tare da danko na 0.3-0.4PaS zuwa saman murfin bi da bi (bayan da aka haɗa murfin gel ɗin) da kuma kayan ƙarfafa kayan fiber. Abubuwan da aka ƙarfafa na fiber sun ji farfajiya kuma ba murguda ba Akwai nau’ikan gauze da yawa (kyakyawan zane). Yi amfani da abin nadi ko abin gogewa da hannu don sakawa resin ciki tare da kayan da aka ƙarfafa fiber, fitar da kumfa na iska, da haɗa dunƙule na tushe. Ana maimaita aikin kwanciya sau da yawa har sai an kai kaurin samfurin. An warkar da resin a zafin jiki na ɗaki saboda halayen polymerization. Za a iya zafi don hanzarta warkarwa. A halin yanzu, shimfida hannu shine babban tsari a China, wanda ke da kusan kashi 80% na kayan da aka haɗa da resin.

2. Allurar resin da jujjuyawar canja wurin RTM

RTM hanya ce mai ƙyalƙyali mai ƙwanƙwasawa. Sanya kayan da aka ƙarfafa fiber a tsakanin babba da ƙananan molds; rufe molin da kuma murɗa murfin; allura resin a ƙarƙashin matsin lamba; bude murfin bayan an warkar da resin, kuma cire samfurin. Kafin aiwatar da tsarin jujjuyawar resin, dole ne a cika resin a cikin ramin murfin, kuma matsin lamba ya sa resin yayi saurin canzawa zuwa cikin ƙirar kuma ya lalata kayan fiber.

3. Gyara takardar SMC (BMC mai yawa)

Ƙara masu farawa, fillers, pigments, wakilan sakin ƙirar ciki, ƙaramin ƙaramin ƙarami, kauri, da sauransu a cikin resin, kuma haɗa su don ƙirƙirar manna resin. Rufin resin ya faɗi akan ƙaramin fim na sashin SMC (fim ɗin polyethylene da aka saba amfani da shi ko fim nailan), kuma a lokaci guda, yana zaune akan ƙaramin fim ɗin kuma an yanka shi cikin madaurin fiber gilashi 25-55mm, sannan an rufe shi da Layer fim don zama takardar. Sandwich. Ajiye murfin na kwanaki da yawa don kauri kayan don isa gaɓoɓin da za a iya gyarawa. Ana ba da SMC azaman madadin a cikin yanayin da aka haɗa. An murƙushe murfin, yanke, auna, sanya a cikin platinum mai ƙyallen ƙarfe, an matsa shi don ƙarfafawa da ƙerawa, sannan ana samun samfurin da aka gama.