Chirevo chekuvanzika: Kuvanzika kwako kwakakosha kwazvo kwatiri
Thermoplastic zvinhu zvinogona kukamurwa kuita zvikamu zviviri zvikuru: Amorphous uye semi-crystalline. Amorphous polysmers midziyo inozvigadzirwa zvinowoneka uye inowanzoitika mamakisi. Semi-Crystalline Polymers ari opaque uye anowanzo kusanganisa nezvimwe zvinowedzera zvakaita segirazi mafuru, zvicherwa uye kukanganisa modifizi. Ultra-yakakwira performance polymers inopa zvimwe zvezvivakwa zvepamusoro mumunda uye zvinogona kuve jay amorphous kana semi-crystalline. Ivo vanowanzotsanangurwa nekuita kwavo kwakakwirira kuita.
Chaizvoizvo Zvivakwa
Paunenge uchisarudza mapurasitiki epamusoro-soro, zvakakosha kuti unzwisise chimiro chepurasitiki, zvivakwa zvaro uye nzira dzinoenderana. Chete neruzivo urwu chete iwe uchakwanisa kuongorora masimba uye miganhu yeimwe resin kuti uone kana ikasangana nezvinodiwa zvako zvekushandisa. Nhaurirano dzinotevera dzichabatsira mainjiniya asina kujairika nemafironde kuti vanzwisise uye nekukoshesa kukosha kweruzivo urwu mukusarudza sarudzo. Izvo hazvina kuitirwa kuve nekunetesa uye chinoitirwa chete sechitaurwa chekutanga.
Thermal Properties
Iko kuita kwakavimbika kwezvinhu zvakakwidziridzwa kupisa kazhinji kunowanzo kuve nekufunga kwevashandisi. Zvivakwa zvekupisa zvinopa chirevo chezvinhu zviviri zvakakosha zvekuita kwezvinhu zvemaitiro mune yakanyanya tembiricha. Chekutanga chimiro ndechekuti unyoro hwekupfava hunoita kuti kupisa kunopa purasitiki. Izvi zvinokanganisa zvinogumira tembiricha iyo iyo mapurasitiki akafumurwa, kunyangwe kana kwenguva pfupi yenguva. Chimiro chechipiri ndechekutenderera-kwenguva refu yekugadzikana kwechinyorwa. Sezvo kuratidzwa kwenguva refu kwekushisa kwakakwirira kunoguma nekushatiswa kwezvivakwa zvezvinhu, zvakakosha kuti unzwisise zvinokonzerwa nenzvimbo dzakatemwa-refu dzekunze pane zvivakwa zvinokosheswa mune yako application.
Kupisa kusimbisa kupisa (HDT) chiyero chehukama chekugona kwemapurasitiki kushanda pasi pematare makuru ekupisa. Pane tembiricha iyi uye mutoro we1,8 mpa, iyo sampu inoburitsa shanduko chaiyo. Zvinowanzogamuchirwa kuti iyo yakanyanya kushanda tembiricha inofanirwa kunge iri 5-10 madhigirii pazasi kupisa kwakashata tembiricha.
Iyo hama yerudzi rwekunyora (Rti) chiyero chehukama chekugona kwemapurasitiki kuti urambe uchishanda pakupisa kwakanyanya. Iyo indekisi inotsanangurwa senge tembiricha iyo inochengetedza zvinhu makumi mashanu muzana yezvivakwa zvayo zvakataurwa mushure memaawa zviuru zana ekufumurwa nemhepo. Izvo zvinokoshesa zvehama yehurumende yakapihwa mune ino bhuku zvakavakirwa pakuchengetwa kwesimba reanosimba. Iyo hama yerudzi rwekunyudza Zvekushandisa zvinoda nguva shoma, mashitsi ane data ane rti tsika ye5,000 uye zviuru gumi maawa anowanikwa pachikumbiro.
Iyo girazi shanduko tembiricha Kune Amorphous Polymers, tembiricha iyi kazhinji inenge gumi neshanu kupfuura kupisa kwakashata kupisa (HDT) uye kunowanzo shandiswa seyakaisa tembiricha yekushandisa kwenguva pfupi yezvinyorwa. Semi-Crystalline Polymers anorasikirwa neimwe yekuomarara kwavo pavanosvika uku tembiricha, asi chengetedza zvivakwa zvavo zvinoshamisa pasi peiyo yekunyungudika zvinhu.
Iyo yekunyungudika point (tm) ndiyo tembiricha iyo iyo crystalline matunhu mukati meiyo hafu-crystalline polymer. Pfungwa yekunyungudika kazhinji inomiririra tembiricha yekumusoro iyo iyo hafu-crystalline polymer inosara muchimiro chakasimba.
Michina yezvivakwa
Sezvo akawanda ekushandisa achave ari pasi peimwe degree rekurongedza, zvakakosha kuti unzwisise shanduko dzinoitika muzvisikwa pasi pesimba remutoro. Dhizaini yekugadzira inowanzo shandura mutoro kutakura kugona kana kusvibisa kwechikamu pasi pekutakura nekukasira nekukora chikamu chechikamu chechikamu chechikamu chechikamu cheCross-chikamu. Simba reChile rinogona kuyerwa nemagadzirirwo ekugadzirisa imwe mugumo wechifungidziro uye kuirongedza nenzira yakatarwa kune imwe mhedzisiro kusvikira iyo fungidziro inobereka kana kupaza.
Kuwedzera chiyero chekuti yakawanda sei iyo fungidziro inogona kutambanudzwa isati yatanga kana kupaza. Kuregererwa kwakakwirira kunoratidza kuti zvinyorwa zvakaoma uye zvakashata. Kuwedzera kwakaderera kazhinji kunoratidza zvinhu zvakaomarara uye brittle. Girazi fiber yakasimbiswa zvinhu zvinowanzo kuratidzira yakaderera elongation nekuda kwekuwedzera kwemagetsi egirazi, nokudaro mafambiro akaderera haagare kuratidza brittleness. Iyo yekubhururuka modulus inogona kuyerwa nekutakura iyo yepakati yeiyo fungidziro inotsigirwa nemapoinzi maviri. Iyi modulus inotsanangurwa seyekutsvedza kwekushushikana / dhizaini uye chiratidzo chinobatsira chekusimukira kana kuomarara.
Paunenge uchiita zvekuenzanisa zvinhu, wepamusoro kusimba kwezvinhu zvezvinhu, zvidiki izvo chikamu chinodiwa chekati kana mutoro wakafanana uchitakura zvinodiwa zvinosangana. Saizvozvowo, iyo yepamusoro iyo inofamba-famba modulus yechinhu, iyo yakaderera chikamu chinodiwa chikamu cheiyo deformation. Kune mamwe mafomu, muchikamu-chikamu chinogona kunge chingori chidiki chidiki chakakwanisika chakapihwa mashandiro ejekiseni rekuumba, uye simba rehama rinogona kunge risingatariswe. Kupa kurwisa kunogona kutsanangurwa zvakanyanya sekukwanisa kwechinhu chekuramba kuputsa kana chakarohwa nechinhu kana kudonhedzwa pane yakaoma nzvimbo. Iyo IZOD kukanganisa ndiyo yakajairika bvunzo nzira yekuongorora iyi midziyo yezvinyorwa, uye inogona kuitwa uchishandisa kana isina kucherechedzwa mitsetse.
Mhedzisiro yeiyo isina kugadziriswa IZOD kiina bvunzo inopa chiratidzo chakanaka cheiyo chaiyo kukanganisa kuramba kwechinyorwa. Mhedzisiro yeNB inoratidza kuti fungidziro haina kupwanya pasi pemamiriro ekuedza. Iyo inozivikanwa izod funct bvunzo inoshandiswa kuona maitiro ezvinyorwa zvekupaza kana pamusoro apa Chinyorwa chine yakakwirira isina-notched zwe kukosha uye yakaderera isina kukosha eid Paunenge uchifunga nezve kushandiswa kwerudzi urwu rwezvinhu, zvakakosha kubvumira kune iyo huru kwazvo radius pamakona ese.
Zvivakwa zvemagetsi
Mazhinji mapurasitiki akanaka magetsi magetsi. Zvivakwa zvemagetsi zvakanyorwa pano - Difelectric Simba, Vhoriyamu Rudzidziso, uye Svutugadzike Rudzidziso - ipa ruzivo rwekutanga nezve kugona kwezvinhu zvekuita seyemagetsi insulator. Mavara ezvinyorwa zvine huwandu hwakawanda hwekaroni fiber kana carbon poda kazhinji haina kukodzera kune urwu rudzi rwekushandisa. Paunenge uchironga chikamu chepurasitiki icho chinonyanya kukosha maitiro emagetsi, zvimwe zvimiro zvemagetsi zvemagetsi zvinofanirwa kutariswa pamberi pechinhu chakazosarudzwa.
General Properties
Kurongeka uremu ndiwo mutyairi wekutanga kune akawanda ekushandisa uko mapurasitiki anoshandiswa munzvimbo yesimbi. Scravitity chaiyo, density yeresini yakakamurwa nehurongwa hwemvura, inogona kushandiswa kufungidzira uremu hwechikamu. Izvo zvinyorwa zvine yakaderera chaiyo gravity inoburitsa chikamu chakareruka. Chaiyo gravity inokanganisa zvakare mutengo wezve chikamu. Pane imwe paumasirese uremu hwaro, zvimwe zvikamu zvinogona kuvakwa kubva kune chimwe chinhu chine chimiro chakadzika kupfuura kubva pane chimwe chinhu chine simba rakakwira.
Kurumwa kwemvura kunogona kuyerwa nekuyera chikamu chisati chamboitika uye mushure memaawa makumi maviri nemana ekuratidzwa nemvura. Kubata kwemvura kunogona kukonzera shanduko mune zviyero uye zvivakwa zvezvinhu, uye zvinhu zvakasiyana zvinokanganiswa nenzira dzakasiyana. Nepo mvura yakaderera kazhinji inodiwa, kutarisisa kwakakosha kunofanirwa kubhadharwa kumhedzisiro yemvura kutorwa pazvinhu zvezvinyorwa, pane kungofunga nezve huwandu hwemvura inokweverwa mukati.
Kemical kuwirirana
Kuratidzwa kwenzvimbo dzemakemikari kunokanganisa kushanda kwekushanda kwezvinhu, uye kune imwe neimwe chaiyo application, kuenderana nezvinyorwa nemakemikari munzvimbo yekushandiswa kwazvakaita kuti ionekwe. Mamirioni emakemikari anoenderana akanyorwa mubhuku iri muTariro yekugadzira pfungwa yekuti mhando dzemhando dzinoenderana nemhando dzipi, uye ndedzipi mhando dzezvishandiso zvavanogona kuwirirana nazvo. Aya mamakisi anogoverwa zvakavakirwa pakuratidzwa kwenguva refu, uye zvimwe zvinhu zvinotsanangurwa seyakaderera mamakisi anogona kuve akakodzera kuti zvikumbiro zvine nguva pfupi gadziriso. Kumwe kusanganisa kwemakemikari / zvekunyama izvo zvinoratidzwa sevakakwirira kungave zvakare kwakakodzera kune imwezve reagent, tembiricha, kushushikana, uye kusanganisa zvinhu.
Kugadzirisa uye Kugadzira
Zvivakwa zvakanyorwa pano zvinoratidza huwandu hwekugadzirisa tembiricha zvinodiwa kune imwe neimwe mhando yezvinyorwa. Nyungudika uye kuumbwa tembiricha data kunogona kubatsira mukusarudzwa kwemidziyo yekugadzirisa. Iyo Molding Shrinkage Tsika dzakanyorwa dzakawanikwa na
yakajairika bvunzo nzira uye inogona kunge isingawirirane kune zvimwe zvakananga zvikamu. Nekudaro, kukosha uku kwakakosha mukuenzanisa kwezvinhu kubatsira kana muumbi waishandiswa kuumba chimwe chinhu chinogona kushandiswa kuumba chimwe chinhu uye kugadzira chikamu chakaenzana.
Nyungudika inoyerera mareti anoshandiswa kuratidza edu amorphous mapurasitiki, uye idzi tsika dzinoratidza kuti zviri nyore kuyerera. Paunenge uchienzanisa neyakayerera mareti eAmorphous Plastics inopihwa nevamwe vagadziri, zvakakosha kuti uzive kuti tembiricha uye mitoro inoshandiswa mumiedzo yavo inoenderana neiya inoshandiswa nesu. Isu takanyora maitiro akajairika emhando imwe neimwe yechigadzirwa mukati meimwe neimwe chigadzirwa mutsara. Zvizhinji zvezvigadzirwa zvedu zvinogadziriswa ne jekiseni kuumbwa, asi mamwe mamakisi ebepa, profiles uye mamwe maitiro anogona kuongororwa nekukweva. Maheets Extrud anogona kunge ari thermiformed. Kugadzira machira uye mafirimu kunogona kuitwa nemhinduro dzekugadzirisa nzira.
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Chirevo chekuvanzika: Kuvanzika kwako kwakakosha kwazvo kwatiri
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Chirevo chekuvanzika: Kuvanzika kwako kwakakosha kwazvo kwatiri