Chii chinonzi carbon fiber yakachekwa?

Kabhoni yakachekwa ifayibha yekabhoni inopfupikiswa. Pano kabhoni ishanduko yechimiro chete, kubva pafilamenti yekabhoni kuenda pafilamenti pfupi, asi mashandiro efilamenti yekabhoni pfupi haana kuchinja. Saka sei uchida kucheka filamenti pfupi yakanaka?
Chekutanga, tinofanira kutanga nekugadzira zvinhu zvakasanganiswa. Kazhinji kabhoni fiber filament inofanira kurukwa kuita jira recarbon fiber kana kugadzirwa kuita carbon fiber prepreg, uyezve kuburikidza nemaitiro ekuumba, RTM, vacuum bagging, hot press cans nezvimwe zvinhukuita mhando dzakasiyana dzezvigadzirwa zve carbon fiber composite. Ehe, kunewo mamwe maitiro ekuumba asingade zvinhu zvepakati, zvakananga kuburikidza ne carbon fiber filament yekuumba, zvakaita se pultrusion molding, winding molding nezvimwewo.
Kabhoni fiber yakarukwa kuita jira rekabhoni fiber kana kuti yakagadzirwa kuita prepreg, kana kugadzira zvigadzirwa, pane dambudziko rechisikigo, hazvina kunaka kunamira chiumbwa. Kuvapo kwechiumbwa ndechekupa chimiro kune zvinhu zvakasanganiswa, chiumbwa chine chimiro cherudzii, chinhu chekupedzisira chakasanganiswa chine chimiro cherudzii. Zvisinei, kana jira rekabhoni fiber kana prepreg risingakwane zvakanaka nechiumbwa, chimiro chezvinhu zvakasanganiswa hachienderane nechimiro chechiumbwa. Pamusoro pezvo, mune mamwe makona, jira rekabhoni fiber riri nyore kuyambuka, richigadzira gomba remunharaunda, izvo zvinozopedzisira zvichikonzera kudzikira kwekushanda kwezvigadzirwa zvakasanganiswa zvekabhoni fiber.
Filament yekabhoni iri mukati mejira rekabhoni kana kuti prepreg yakasungwa uye haisi nyore kufamba. Kunyanya kana paine kumanikidzwa, kufamba kwefilament ye resin nekabhoni filament kwakaderera, izvo zvinozopedzisira zvakonzera matambudziko ekuumba kana kudzikira kwekushanda.
Kana kureba kwacho kupfupika, kuyerera kwefaibha yekabhoni yakachekwa-chekwaZvinofanira kuzivikanwa kuti kuumba nejekiseni ndiyo tekinoroji inonyanya kushandiswa uye yakakura mukugadzira mapurasitiki. Kana ikashandiswa pakugadzira zvinhu zvakasanganiswa, ichava shanduko huru.
Zvisinei, kureba kwekabhoni yakachekwa kwenguva pfupi hakugone kuderedzwa, nekuti kureba kwekabhoni yakachekwa kwenguva pfupi kupfupika, kubatana kweresin nekabhoni kuchaderera. Nekuti kubatana pakati peresin nekabhoni kwakanangana nenzvimbo yekubatana pakati pavo, kana kureba kwacho kukapfupika, saka nzvimbo yekubatana inoderedzwa zvechokwadi.
Zvadaro pane kupesana pano, ndiko kuti, kupesana pakati pekushanda kwefiber yakapfupika uye kufamba. Kureba kwefiber, mukana wekuti fiber nefiber zvipararire zvishoma, zviri nyore kusungirirana, asi kusanganiswa kwefiber neresin kwakasimba, kushanda kwezvinhu zvakasanganiswa kuchave kwakakwirira. Kureba kwefiber kupfupika, zviri nyore kupararira, nekugona kuyerera zvakanaka, asi chisungo chefiber neresin hachina kusimba. Maitiro ekuenzanisa kupesana uku, kunofanirwa kudzidzwa, kazhinji, kuita mapurasitiki akasimbisirwa carbon fiber akapfupika, kureba kwe1-9mm.
Kunewo nzira yekuwedzera simba rekubatanidza pakati pekabhoni fiber neresin, iyo inova saizi. Kazhinji, pane saizi inoshandiswa pamusoro pekabhoni faibhafekitori, iyo inoshandiswa kuchengetedza kabhoni fiber kubva mukupenya panguva yekurongedza, kutamisa uye kushanda, uye kune rumwe rutivi, inoshandiswa kusanganisa kabhoni fiber ne resin, uye inoita basa rekuwedzera simba rekubatanidza.
Zvisinei, iyi saizi inoshandiswa kugadzira thermosetting resin. Mazhinji emaresini anoshandiswa kugadzira mapellets maresini ethermoplastic, saka saizi inofanira kugadziriswa. Imwe ndeyekupisa saizi yekutanga uye kugadzira jira idzva rehukuru. Imwe ndeyekupisa saizi yekutanga uye kugadzira jira idzva rehukuru; imwe ndeyekuisa saizi zvakare zvichibva pane saizi yekutanga, iyo inonzi saizi yechipiri.
Pamusoro pekugadzira magranules ekuumba majekiseni,faibha yekabhoni yakachekwa-chekwaine zvimwe zvinoshandiswa, zvakaita sekugadzirwa nekabhoni fiber mat, kana kugadzirwa nekabhoni fiber paper. Hurefu hunodiwa hwekabhoni fiber yakachekwa huchareba kupfuura hurefu hwekabhoni fiber yakachekwa yegranules.
Pamusoro pezvo, pamusoro pemafiber ekabhoni akachekwa zvisina tsarukano, kunewo mafiber ekabhoni akachekwa akaunganidzwa. Iyi fiber pfupi iri muchidimbu chipfupi isati yadhonzwa nefiber kabhoni yerudzi rwakatarwa, yobva yachekwa kubva mufiber pfupi ine hunhu hwebundle, ine huwandu hwe resin ichave yakawanda kupfuura dzimwe fiber pfupi.