Nekuvandudzwa kwe5G, iyo yekuomesera bvudzi yapinda muchizvarwa chinotevera, uye kudiwa kwemunhu anoomesa bvudzi kuri kuwedzera zvakare.Fiberglass yakasimbiswa nylon (PA) yakanyarara yave iyo nyeredzi yezvinhu zvekuomesa bvudzi casings uye siginecha yechizvarwa chinotevera chepamusoro-yekupedzisira bvudzi dryer.
Fiberglass yakasimbiswa PA66 inowanzo shandiswa mumhino dzemhando yepamusoro dzekuomesa bvudzi, izvo zvinogona kuwedzera simba uye kuwedzera kupisa kugona.Nekudaro, sezvo izvo zvinodikanwa zvemuomese webvudzi zvichikwira uye zvichikwira, ABS, iyo yaive yekutanga chinhu chikuru chegoko, zvishoma nezvishoma yakatsiviwa nefiberglass yakasimbiswa PA66.
Parizvino, zvinhu zvikuru zvinokanganisa kugadzirira kwepamusoro-kushanda fiberglass yakasimbiswa PA66 composites zvinosanganisira kureba kwePA fiberglass yakachekwa tambo, kurapwa kwepamusoro kwefiberglass yakachekwa tambo dzePA uye kureba kwavo kwekuchengetedza mumatrix.
Zvadaro ngatitarisei zvinhu zvekugadzira zvegirazi fiber yakasimbiswa PA66~
kureba kwePA fiberglass yakachekwa tambo
Kana girazi fiber inosimbiswa, kureba kwePA yakachekwa tambo ndechimwe chezvinhu zvikuru zvinotaridza faibha-yakasimbiswa makombiji.Mune yakajairwa mapfupi fiberglass yakasimbisa thermoplastics, iyo fiber kureba ingori (0.2 ~ 0.6) mm, saka kana zvinhu zvakanganiswa nechisimba, simba rayo harina basa nekuda kwehurefu hwefiber, uye chinangwa chekushandisa fiberglass yakasimbiswa naironi (PA). ) inoshandisa iyo yakanyanya kuomarara uye yakakwira simba refayibha kuvandudza michina yenylon, saka kureba kwefiber kunoita basa rakakosha mumagetsi echigadzirwa.Kuenzaniswa neiyo pfupi girazi faibha yakasimbiswa nzira, iyo modulus, simba, kukambaira kuramba, kuneta kuramba, kurwisa kupisa, kupisa kupisa uye kupfeka kuramba kwegirazi refu fiber yakasimbiswa naironi yakagadziridzwa, kuwedzera mashandisirwo ayo mumotokari, midziyo yemagetsi, michina nemauto. .
Surface kurapwa kwefiberglass yakachekwa tambo dzePA
Simba rekubatanidza pakati pefiberglass uye matrix chimwe chinhu chakakosha chinokanganisa ma mechanic properties yecomposites.Fiberglass yakasimbiswa mapolymers anogona chete kuita zvakanaka kana akagadzira inoshanda yepakati chisungo chisungo.Kune girazi faibha yakasimbisa thermosetting resin kana polar thermoplastic resin composite zvinhu, pamusoro pefiberglass inogona kurapwa necoupling agent kuti iumbe kemikari chisungo pakati peresin nepamusoro pefiberglass, kuitira kuti uwane inoshanda yakabatana yekubatanidza.
Retention Length ofFiberglassmuNylon Matrix
Vanhu vakaita tsvakiridzo yakawanda pakusanganiswa kwefiberglass yakasimbisa thermoplastic resin uye kuumbwa kwezvigadzirwa.Inowanikwa kuti kureba kwefiberglass yakachekwa tambo muchigadzirwa inogara yakaganhurwa kune isingasviki 1mm, iyo yakaderedzwa zvakanyanya kana ichienzaniswa neyekutanga fiber kureba.Zvadaro, chiitiko chekuputsika kwefiber panguva yekugadzirisa zvakadzidzwa, uye zvakaonekwa kuti mamiriro ekugadzirisa uye zvimwe zvakasiyana-siyana zvakakonzera kuparara kwefiber.
midziyo factor
Mukugadzira screw uye nozzle, zvinodikanwa kuti udzivise kutetepa uye nekukasira shanduko muchimiro.Kana iyo nzira yekuyerera yakanyanya kutetepa, inokanganisa kufamba kwemahara kwegirazi fiber, izvo zvinokonzeresa kuveura mhedzisiro uye kukonzera kuparara;kana pane kamwe-kamwe kushanduka kwemaitiro, zviri nyore kwazvo kubudisa Iyo yekuwedzera kushushikana yekufungidzira inoparadza iyofiberglass.
Process factor
1. Kupisa kwebhare
Kupisa kwekushisa kunoshandiswa pakugadzirisa mapepa akasimbiswa anofanira kunge ari pamusoro pe 280 ° C. Izvi ndezvokuti, kana kutonhora kwakakwirira, viscosity yekunyunguduka ichaderedzwa zvikuru, kuitira kuti simba reshear rinoshanda pafiber rinoderedzwa zvikuru.Uye kuputsika kwefiberglass kunonyanya kuitika muchikamu chekunyunguduka che extruder.nokuti girasi fiber inowedzerwa kune yakanyunguduka polymer, iyo yakanyunguduka inosanganiswa negirazi fiber kuvhara girazi fiber, iyo inotamba basa rekuzora uye rekudzivirira.Izvi zvinoderedza kuwandisa kwefayibha kutsemuka uye kupera kwe screws uye mbiya, uye inofambisa kupararira uye kugovera kwegirazi fiber munyungudika.
2. Mold tembiricha
Iyo nzira yekutadza kwefiberglass mu mold inonyanya kuti tembiricha ye mold yakaderera zvakanyanya pane yekunyungudika.Mushure mokunge kunyunguduka kunopinda mukati megomba, chando chechando chinoumbwa pamadziro emukati pakarepo, uye nekuenderera kunotonhora kwekunyunguduka, chando chechando chinoumbwa.Ukobvu hwefiberglass hunoramba huchiwedzera, kuitira kuti iyo yepakati-inoyerera-inoyerera musara ive diki uye diki, uye chikamu chegirazi fiber munyunguduka inonamatira kune yakaomeswa layer uye imwe magumo ichiri kuyerera nekunyunguduka, nokudaro ichigadzira hombe. shear simba pafiberglass zvichikonzera kuputsika.Ukobvu hwechando chechando kana hukuru hwekusununguka-kuyerera huchakanganisa zvakananga kuyerera kwekunyunguduka uye ukuru hweshear force, iyo inokanganisa chiyero chekukuvadza kune fiberglass.Ukobvu hwechando hunotanga huchiwedzera uye hwozodzikira nechinhambwe kubva pagedhi.Pakati chete, iyo yechando layer yakakura inowedzera nekufamba kwenguva.Saka pakupera kwegomba, hurefu hwefiber hunodzokera kune imwe nhanho yakareba.
3. Kufurira kwescrew speed pafiberglassurefu
Kuwedzera kweiyo screw kumhanya kunotungamira zvakananga kukuwedzera kweshear stress ichiita pane fiberglass.Kune rimwe divi, kuwedzera kwescrew kumhanya kunogona kukurumidza kuita plasticization maitiro epolymer, kuderedza kunyunguduka viscosity, uye kuderedza kushushikana kunobata pane fiber.Izvi zvinodaro nekuti twin screw inopa rakawanda resimba rinodiwa pakunyunguduka.Naizvozvo, pesvedzero yekumhanyisa screw pahurefu hwefiber ine zvinhu zviviri zvakapesana.
4. Nzvimbo uye nzira yekuwedzera girazi fiber
Kana iyo polymer yanyungudutswa uye yakawedzerwa, inowanzowedzerwa pachiteshi chekutanga chekudyisa mushure mekusanganiswa zvakaenzana.Nekudaro, mukuita kunyungudika extrusion yefiberglass yakasimbiswa naironi (PA), iyo polymer inoda kuwedzerwa pachiteshi chekutanga chekudyisa, uye inonyungudutswa uye nepurasitiki.Mushure meizvozvo, iyo fiberglass yakachekwa tambo dzePA inowedzerwa pachiteshi chekudya chezasi, ndiko kuti, kudyisa kunotevera kunogamuchirwa.Izvi zvinodaro nekuti kana zvese zviri zviviri fiberglass uye yakasimba polymer zvakawedzerwa kubva pachiteshi chekutanga chekudyisa, iyo fiberglass ichave yakatyoka zvakanyanya panguva yekufambisa kwakasimba, uye mukati meiyo screw uye muchina uchave wakanangana neiyo fibegrlass, zvichikonzera. kusakara kwakakomba uye kubvaruka kwemidziyo.
Nguva yekutumira: Mar-23-2022