Molding tsari ne wani adadin prepreg a cikin karfe mold rami na mold, da yin amfani da presses tare da wani zafi tushen samar da wani zafin jiki da kuma matsa lamba don haka da cewa prepreg a cikin mold rami ne taushi da zafi, matsa lamba kwarara, cike da kwarara, cike da mold kogon gyare-gyaren da curing kayayyakin na wani tsari hanya.
Molding tsari ne halin da bukatar dumama a cikin gyare-gyaren tsari, da manufar dumama shi ne don yin prepreg a cikin softening na kwarara dagaguduro, cike da mold rami da kuma hanzarta curing dauki na guduro matrix abu. A lokacin aiwatar da cika da mold rami tare da prepreg, ba kawai guduro matrix gudãna, amma kuma ƙarfafa kayan, da guduro matrix da ƙarfafa zaruruwa cika duk sassa na mold rami a lokaci guda.
Sai kawaiguduromatrix danko ne babba, da bond yana da karfi sosai, domin ya kwarara tare da reinforcing zaruruwa, don haka gyare-gyaren tsari na bukatar mafi girma gyare-gyaren matsa lamba, wanda na bukatar karfe kyawon tsayuwa da high ƙarfi, high daidaici da lalata juriya, da kuma bukatar yin amfani da musamman zafi presses don sarrafa zafin jiki na curing gyare-gyare, matsa lamba, riƙe lokaci da sauran tsari sigogi.
Hanyar gyare-gyare na ingantaccen samarwa, daidaiton girman samfur, ƙarewar saman, musamman don hadadden tsarin samfuran kayan haɗin gwiwar gabaɗaya ana iya ƙera su sau ɗaya, ba zai lalata aikin samfuran kayan haɗin gwiwa ba. Babban ƙarancinsa shine ƙirar ƙira da masana'anta sun fi rikitarwa, saka hannun jari na farko ya fi girma. Ko da yake tsarin gyare-gyaren yana da gazawar da ke sama, tsarin gyare-gyaren gyare-gyaren har yanzu yana da matsayi mai mahimmanci a cikin tsarin gyare-gyaren kayan abu.
1.Shiri
Yi aiki mai kyau naprepreg, gyare-gyaren gyare-gyaren kayan aiki na kayan aiki, tare da tanderun gwaji na aikin tallafi, da kuma tsaftace tsararren a cikin amfani na karshe na resin resin, tarkace, don kiyaye mold mai tsabta da santsi.
2. Yanke da kwanciya na prepregs
Za a sanya shi a cikin wani samfur na carbon fiber albarkatun kasa shirye, prepreg bayan wucewa da bita, lissafin yankin albarkatun kasa, kayan, adadin zanen gado, da albarkatun kasa Layer da Layer na turare kara up, a lokaci guda a kan superposition na kayan don pre-matsa lamba, guga man a cikin siffar na yau da kullum, ingancin wani adadin m abokai.
3. Gyaran jiki da warkarwa
Sanya albarkatun da aka tattara a cikin gyaggyarawa, kuma a lokaci guda a cikin jakar iska na filastik na ciki, rufe mold ɗin, gaba ɗaya cikin injin ɗin, jakunkunan iska na filastik na ciki tare da wani matsa lamba akai-akai, zazzabi akai-akai, saita lokaci akai-akai, don warkewarta.
4. sanyaya da rushewa
Bayan wani lokaci na matsa lamba a waje da mold farko sanyi san na wani lokaci, sa'an nan kuma bude mold, demolding waje ido don tsaftace kayan aiki mold.
5. Processing gyare-gyare
Bayan rushewar samfurin yana buƙatar tsaftacewa, tare da goga na ƙarfe ko goga na jan karfe don goge ragowar robobin, da hura da iska mai matsewa, samfurin da aka ƙera yana goge, ta yadda saman ya zama santsi da tsabta.
6. Nodestructive gwaji da karshe dubawa
Gwajin da ba a lalata ba da kuma dubawa na ƙarshe na samfurori ana yin su bisa ga buƙatun takaddun ƙira.
Analysis na fasaha maki na prepreg gyare-gyaren tsari
Tun lokacin da aka haihu na ƙwayoyin fiber carbon, ana iyakance shi koyaushe ta hanyar farashin masana'anta da tasirin bugun ƙira, kuma ba a yi amfani da shi da yawa ba. Yanke shawarar farashin carbon fiber samar da doke shi ne gyare-gyaren tsari,carbon fiber composite abuTsarin gyare-gyaren akwai da yawa, irin su RTM, VARI, tankuna masu zafi, tanda curing prepreg (OOA), da dai sauransu, amma akwai kwalabe guda biyu: 1, lokacin sake zagayowar yana da tsawo; 2, farashin yana da tsada (idan aka kwatanta da karafa da robobi). Prepreg CompressionMolding, a matsayin nau'in gyare-gyaren gyare-gyare, na iya gane samar da tsari da rage farashin samarwa, wanda ake amfani da shi sosai.
Prepreg gyare-gyaren tsari yana nufin zafin jiki, matsa lamba, a cikin wani lokaci za a prepreg baza a cikin pre-dimbin yawa jiki matsawa gyare-gyaren. Saurin gyare-gyare na wannan tsari yana da sauri, kayan aikin kayan aiki suna da sauƙi, sauƙin aiki, idan aka kwatanta da tanki mai zafi, VARI da OOA tsari, samfurin yana da kyau a cikin duka bayyanar da kyau, kwanciyar hankali mai kyau, tsarin yana da sauƙin sarrafawa.
▲Pre-preg gyare-gyaren tsari kwarara ginshiƙi
Abubuwa hudu na tsarin gyare-gyare
1. Zazzabi da daidaituwa: nuna ma'aunin amsawa tsakaningudurokumawakili mai warkarwada uniformity na dauki matsayi, yafi iko da ingancin gyare-gyaren surface da curing digiri;
2. Matsa lamba da daidaituwa: yana nuna fitarwar iska da sakamako mai gudana a cikin guduro, sarrafa ingancin gyare-gyare da kayan aikin injiniya;
3. Tsawon lokacin warkewa: yana nuna matakin warkewa, don tabbatar da ingancin samarwa;
4. Mold cavity kauri: nuna kauri daga cikin samfurin, bisa ga musamman halaye na carbon fiber abu da kanta, tsara wani m rami kauri.
Aiwatar da aiwatarwa
Prepreggyare-gyaren tsari na iya ka'idar ƙera kowane tsari na samfurin, tsarin samfur idan ma hadaddun, kamar inverted zare, da yawa flange yankin, sakamakon wani gagarumin karuwa a cikin kudin kyawon tsayuwa da kuma samar da matsaloli, don haka ga tsarin na musamman hadaddun guda na applicability ba karfi, amma za mu iya zama tsarin ingantawa ko block zane + bonding mafita ga tsirar hadaddun sassa.
Fasaha masu alaƙa
1. Multi-Layer Cutting Technology: Multi-Layer prepregs an yanke a lokaci guda; prepregs tare da kusurwoyi daban-daban suna yanke a lokaci ɗaya don inganta ingantaccen yankan.
2. Hot-in / zafi-fita fasaha: da mold ne kai tsaye mai tsanani zuwa warkewa zazzabi, da kuma preform da aka sanya a cikin mold kuma danna cikin siffar, wanda ya rage gyare-gyaren lokaci da kuma rage makamashi amfani.
3. Fasahar gyare-gyaren net-size: ana buga preform zuwa girman net da farko, sa'an nan kuma sanya shi cikin net-size mold don warkewa, rage tsarin yankewa.
Matsalolin Tsari
Wahala a zayyana kyawon tsayuwa ga hadadden tsarin kayayyakin: Idan akwai mai yawa inverted buckles da korau sasanninta a cikin kayayyakin, shi zai sa kyawon tsayuwa da wuya a yi, kuma a lokaci guda, bayan da molds da ake amfani da na dogon lokaci, shi zai kai ga rage na madaidaicin daidaitattun matsayi na abubuwan da aka saka. Don haka, lokacin zayyana samfurin, yi ƙoƙarin guje wa jujjuyawar ƙugiya ko kusurwa mara kyau.
Lura: da m rufe sassa na samfurin surface ingancin bukatun ne sosai high, carbon fiber abu sassa na kowa matsaloli ne: samfurin raɓa texture sassa farin spots; matsalolin rubutu mara kyau; ramukan saman, rashin matsalolin manne, da sauransu. Don taƙaita dalilan, wakili na warkewa a cikin prepreg ba a haɗa shi daidai ba ko kuma amsawar bai cika ba; zafin jiki na mold ba daidai ba ne; zafin jiki da matsa lamba ba a wurin ba; da mold zane da kuma aiki ba a wurin; ba a sarrafa tsarin gyare-gyaren; da mwakili na sakiamsa, da sauransu.
Lokacin aikawa: Janairu-17-2025