Munguva yejekiseni kuumbwa kwegirazi faibha yakasimbiswa mapurasitiki, mashandiro eiyo yega mashini ari akajairika, asi chigadzirwa chine chakakomba chitarisiko matambudziko emhando, uye mamaradhi machena machena anogadzirwa pamusoro, uye ichi chena mucherechedzo unowanzove wakakomba nekuwedzera kwe girazi faibha zvemukati. Izvo zvinoitika zvinowanzozivikanwa se "inoyerera fiber", iyo isingagamuchirike kune epurasitiki zvikamu zvine yakakwirira chitarisiko zvinodikanwa.

Chikonzero Kuongorora

Iko kuitika kwe "inoyerera fiber" kunokonzerwa nekuratidzwa kwegirazi faibha. Iyo chena girazi fiber inoratidzirwa pamusoro panguva yekuita kwepurasitiki kunyauka kuzadza uye kuyerera. Mushure mekudziya, inozoita mamarandi machena machena pamusoro pechikamu chepurasitiki. Kana chikamu chepurasitiki chakasviba Kana mutsauko wemavara uchiwedzera, zvinobva zvava pachena.

Zvikonzero zvikuru zvekuumbwa kwayo ndeinotevera:

1. Mukuita kwepurasitiki kunyauka kuyerera, nekuda kwemusiyano mukuyerera uye kuomarara pakati pegirazi fiber uye nebwe, vaviri vacho vane tsika yekuparadzanisa. Iyo yakaderera-density girazi fiber inoyangarara kumusoro, uye denser resin inonyura mukati mayo. , Saka girazi faibha rakafumura chiitiko chinoumbwa;

2. Nekuti iyo plastiki inonyungudika inoiswa pasi pekupesana uye shear simba reiyo screw, kamwene, mumhanyi uye gedhi panguva yekuyerera maitiro, zvinokonzeresa mutsauko muiyo viscosity yemuno, uye panguva imwechete, ichaparadza iyo interface dura pane pamusoro pegirazi fiber, uye iyo yakanyunguduka viscosity ichave diki. , Iyo yakanyanya kukura kukuvara kweiyo interface dura, idiki iyo yekubatanidza simba pakati pegirazi faibha uye nebwe. Kana simba rekubatanidza riri diki kune imwe nhanho, iyo girazi faibha rinobvisa husungwa hwetrix matrix uye zvishoma nezvishoma inoungana kumusoro uye kufumura;

3. Kana plastiki yakanyungudika ikaiswa mukati memukati, ichaita "tsime" mhedzisiro, kureva kuti, girazi faibha inoyerera ichibva mukati ichienda kunze uye inosangana nepamusoro penzvimbo. Nekuti iyo tembiricha pamusoro tembiricha yakaderera, iyo girazi faibha iri nyore uye inodzikamisa nekukurumidza. Inoita chando pakarepo, uye kana isingakwanise kutenderedzwa zvizere nekunyungudika nenguva, inozoburitswa yoita "tambo dzinoyangarara".

Naizvozvo, kuumbwa kwe "inoyerera fiber" chinoshamisa hachisi chehukama chete nekuumbwa uye hunhu hwezvinhu zvepurasitiki, asi zvakare zvine chekuita neyakaumbwa maitiro, ayo ane hukuru hwakakura uye kusava nechokwadi.

Ngatitaurei nezve maitiro ekuvandudza izvo zvinoitika zve "inoyerera fiber" kubva pakuona fomula uye maitiro.

Fomula optimization

Iyo nzira yechinyakare ndeyekuwedzera zvinowanisa, zvinoparadzira nemafuta kuzvinhu zvekuumba, zvinosanganisira silane coupling agents, maleic anhydride graft compatibilizers, silicone poda, mafuta acid acid uye zvimwe zvekumba kana kupinza Shandisa izvi zvinowedzera kuti uwedzere kuwiriranisa kusangana pakati pegirazi fiber uye iyo nebwe, kunatsiridza kufanana kwechikamu chakapararira uye chikamu chinoramba chichiwedzera, kuwedzera simba rekubatanidza simba, uye kuderedza kupatsanurwa kwegirazi fiber uye nebwe. Kuvandudza kuratidzwa kwegirazi faibha. Mamwe acho ane mhedzisiro, asi mazhinji acho anodhura, anowedzera mari yekugadzira, uye zvinokanganisa chimiro chemishini yezvinhu. Semuenzaniso, iyo inowanzo shandiswa yemvura silane yekubatanidza vamiririri zvakaoma kumwaya mushure mekuwedzerwa, uye mapurasitiki ari nyore kugadzira. Dambudziko rekuumbika kwebundu rinokonzeresa kudyiswa zvisina kuenzana kwemidziyo uye kugoverwa zvisina kuenzana kwegirazi fiber zvemukati, izvo zvinozotungamira kune zvisina kuenzana michina zvigadzirwa zvechigadzirwa.

Mumakore achangopfuura, iyo nzira yekuwedzera pfupi tambo kana isina mhango girazi microspheres yakagamuchirwawo. Iyo diki-saizi ipfupi tambo kana isina girazi magirazi emuchadenga ane hunhu hweakanaka fluidity uye kupararira, uye zviri nyore kuumba yakagadzikana interface inoenderana neiyo resin. Kuti uwane chinangwa chekuvandudza "inoyerera faibha", kunyanya isina girazi mabhesi anogona zvakare kudzikisa shrinkage deformation mwero, dzivisa post-kumisikidza kwechigadzirwa, kuwedzera kuomarara uye kwakavharika modulus yechinhu, uye mutengo wakaderera, asi zvakaipira ndeyekuti icho chinhu chinokanganisa kusagadzikana Performance madonhwe.

Maitiro Optimization

Muchokwadi, iro dambudziko "rekuyangarara fiber" rinogona zvakare kuvandudzwa kuburikidza neyakaumbwa maitiro. Izvo zvinhu zvakasiyana zveiyo jekiseni kuumbwa maitiro ane akasiyana mhedzisiro pagirazi faibha yakasimbiswa epurasitiki zvigadzirwa. Heano mimwe mitemo yekutanga inogona kuteverwa.

01Cylinder tembiricha

Sezvo iyo yekunyungudika kuyerera kweiyo girazi fiber yakasimbiswa epurasitiki iri 30% kusvika 70% yakaderera pane iyo isina-yakasimbiswa ipurasitiki, hunyoro hwakashata, saka tembiricha tembiricha inofanira kunge iri 10 kusvika 30 ° C yakakwira kupfuura zvakajairwa. Kuwedzera tembiricha tembiricha kunogona kudzikisa hunyowani hunonyungudika, kunatsiridza kuyerera, kudzivisa kuzadza nekushambidza, uye kubatsira kuwedzera kupararira kwegirazi fiber uye kudzikamisa maitiro, zvichikonzera kudzika kwepasirese kusagadzikana kwechigadzirwa.

Asi tembiricha yepombi haina kukwirira sezvinobvira. Yakanyanya kukwirira tembiricha ichawedzera maitiro epolymer oxidation uye kudzikisira. Ruvara runochinja kana runyoro, uye rwunokonzeresa kukochekera nekusviba kana rwanyanya.

Paunenge uchigadzika tembiricha tembiricha, tembiricha yechikamu chekudyisa inofanira kuve yakakwira zvishoma pane zvakajairwa, uye zvishoma pasi pechikamu chekumanikidza, kuitira kuti ishandise kupisa kwayo kwekucheresa kudzora kwekucheka kweiyo screw pane iyo girazi fiber uye kudzikisa iyo viscosity yemuno. Musiyano nekukuvadzwa kwepamusoro pegirazi fiber kunoona simba rekubatanidza pakati pegirazi fiber uye nebwe.

02 Mold tembiricha

Musiyano wetembiricha pakati peforoma nekunyungudika haufanire kunge wakanyanya kukura kudzivirira girazi faibha kubva pasileting pamusoro pekuti iko kusungunuka kuchitonhora, kuumba "tambo dzinoyangarara". Naizvozvo, yepamusoro tembiricha tembiricha inodiwa, iyo inobatsira kugadzirisa kunyauka kwekuzadza mashandiro uye kuwedzera Izvo zvinobatsirawo kusimbisa mutsara mutsara, kuvandudza chigadzirwa pamusoro pekupedzisa, uye kudzikisira maitiro uye deformation.

Nekudaro, iyo yakanyanya iyo tembiricha tembiricha, iyo yakareba iyo nguva inotonhora, iyo yakareba iyo yekuumba kutenderera, iyo yakaderera kugadzirwa, uye iyo yakakwira iyo yekuumba shrinkage, saka iyo yepamusoro haina nani. Mamiriro eiyo tembiricha tembiricha inofanirwa zvakare kufunga nezve resin dzakasiyana, chimiro chimiro, girazi fiber zvemukati, nezvimwewo. Kana mhango iri yakaoma, girazi fiber zvemukati zvakakwirira, uye chakuvhuvhu kuzadza kunonetsa, iyo tembiricha tembiricha inofanirwa kunge yakawedzera zvakakodzera.

03 jekiseni kumanikidza

Jekiseni kumanikidza kune simba rakakura pakuumbwa kwegirazi fiber yakasimbiswa mapurasitiki. Yakakwira jekiseni kumanikidza kunobatsira kuzadza, kugadzirisa girazi fiber kupararira uye kudzikisa chigadzirwa shrinkage, asi ichawedzera shear kushushikana uye kutarisisa, zvinokonzeresa kurwa kurwa uye deformation, nekuparadza Matambudziko, zvichitungamira mukufashukira matambudziko. Naizvozvo, kugadzirisa "inoyerera faibha" zvinoitika, zvinodikanwa kuti uwedzere jekiseni kumanikidza padiki pane jekiseni kumanikidza kwepurasitiki isina kusimbiswa zvinoenderana nemamiriro ezvinhu.

Sarudzo yejekiseni yekumanikidza haina kungoenderana neyako chigadzirwa ukobvu, gedhi saizi uye zvimwe zvinhu, asi zvakare zvine chekuita negirazi faibha zvemukati uye chimiro. Kazhinji, iyo yakakwira iyo girazi fiber zvemukati, iyo yakareba iyo girazi fiber kureba, iyo yakakura jekiseni kumanikidza kunofanirwa kuve.

04 kumanikidza kumashure

Iko kukura kweiyo screw kumashure kumanikidza kune yakakosha pesvedzero pakupararira kwegirazi faibha mukunyungudika, iko kuyerera kwekunyungudika, kuwanda kwemunyungudika, chimiro chekuonekwa kwechigadzirwa uye izvo zvemuviri uye zvemagetsi zvivakwa. Kazhinji zviri nani kushandisa yakakwira kumashure kumanikidza. , Kubatsira kunatsiridza chiitiko che "fiber inoyerera". Nekudaro, yakanyanya kukwirira musana kumanikidza ichave neakakura ekuveura mitezo kune iyo yakareba tambo, ichiita iyo yekunyungudika nyore nyore kushatiswa nekuda kwekupisa, zvichikonzera kuparara uye kusarongeka kwema mechanical zvivakwa. Naizvozvo, kumanikidza kumashure kunogona kumisikidzwa padiki pane iyo yepurasitiki isina kusimbiswa.

05Jekiseni kumhanya

Kushandisa inomhanyisa jekiseni kumhanya kunogona kusimudzira iyo "inoyerera fiber" chiitiko. Wedzera jekiseni kumhanya, kuitira kuti girazi faibha rakasimbiswa repurasitiki nekukurumidza izadze iyo mhango mhango, uye girazi faibha inoita kukurumidza axial kufamba pamwe nekuyerera kunongedzera, izvo zvinobatsira kuwedzera kupararira kwegirazi fiber, kudzikisira maitiro, kugadzirisa simba yemutsetse we weld uye pamusoro pechigadzirwa, asi Attention inofanirwa kubhadharwa kudzivirira "kupfapfaidza" pamubhedha kana pagedhi nekuda kweiyo yakanyanyisa kukurumidza jekiseni kumhanya, kuumba nyokaine kukanganisa uye kukanganisa kuoneka kwechikamu chepurasitiki.

06 screw kumhanya

Kana kupurasitiki girazi faibha yakasimbisa mapurasitiki, sikuruu yekumhanyisa haifanire kunge yakanyanya kukwirira kuti isadzivise kupokana kwakanyanya uye simba rekuveura izvo zvinokanganisa girazi faibha, kuparadza chimiro chemamiriro egirazi fiber pamusoro, kudzikisira simba rekubatanidza pakati pegirazi fiber uye nebwe , uye zvinowedzera iyo "inoyerera fiber". "Zvinoitika, kunyanya kana girazi fiber rakareba, pachave nehurefu hwakaenzana nekuda kwechikamu chegirazi faibha rakatsemuka, zvichikonzera kusaenzana kwesimba rezvikamu zvepurasitiki uye kusagadzikana michina yezvinhu zvechigadzirwa."

Maitiro epfupiso

Kuburikidza neongororo iri pamusoro, zvinogona kuoneka kuti kushandiswa kwepamusoro tembiricha yezvinhu, tembiricha yakakwira, kumanikidza kwejekiseni uye kumanikidza kumashure, yakakwira jekiseni kumhanya, uye yakadzika sikisi jekiseni kumhanya kunobatsira zvakanyanya kugadzirisa chiitiko che "inoyerera fiber".