I-PET (POLITHTHINE Terephthalate)
Ukomisa kunye nokukrokrela ngaphambi kokuba inaliti yokubumba
Imele yomiswe ngaphambi kokubumba. Isilwanyana sasekhaya sinovelwano kakhulu kwi-hydrolysis. I-moya yokufudumeza i-air-swist i-120-165 c (248-329 f) iiyure ezi-4. Umxholo wokufuma kufuneka ungabi ngaphantsi kwe-0.02%.
Awamkeli inkqubo ye-Odemade IR System, ixesha elomileyo lifuna i-15mins. Gcina amandla kwixabiso malunga ne-45-50%. Umxholo wokufuma unokuba ngama-50-70ppm. . Kwaye kukwenziwa ngokowome kwaye kukukhala ngexesha.
Nyibilika ubushushu
265-280 c (509-536 f) kumanqanaba angafakwanga
275-290 C (527-554 f) yeBanga lokuFunda kweGlass
Iqondo lobushushu
80-120 c (176-248 f); Uluhlu olukhethiweyo: 100-110 c (212-230 f)
Uxinzelelo lwenaliti
I-30-130 MPA
Isantya senaliti
Isantya esiphezulu ngaphandle kokudala
Umatshini wokubumba wena:
Inaliti yokubumba isetyenziswa ikakhulu ukonyusa ukubunjwa kwesilwanyana sasekhaya. Ngokwesiqhelo, isilwanyana sasenziwa kuphela ngamatshini wokukroba.
Kungcono ukukhetha isikhafu sokuguquka komguquli nge-ring esisecaleni, esinobuqili obukhulu bomphezulu kwaye sinxibe ukunganyangeki, kwaye umlinganiso we-3 ~ 20): (1 ~): (1 ~.
Izixhobo ezinomkhulu kakhulu l / D Hlala kwi-barrel ixesha elide, kwaye ubushushu obugqithisileyo bunokubangela ukonakaliswa kwaye kuchaphazele ukusebenza kwemveliso. Umyinge wokucinezelwa yinto encinci kakhulu ukuba ivelise ubushushu obuncinci, kulula ukuyifaka, kwaye isebenza kakubi. Kwelinye icala, ukophuka kweglasi yeglasi kuya kuba ngaphezulu kwaye iipropathi zoomatshini bokuhluma ziya kuncitshiswa. Xa iglasi ye-fiber eqiniswe isilwanyana iqiniswe, udonga lwangaphakathi lwe-barrel lunxibe kakhulu, kwaye i-barrel yenziwa ngempahla enganyangekiyo okanye inxibelelene nempahla yokunxiba.
Kuba i-nozzle imfutshane, udonga lwangaphakathi kufuneka lube umhlaba kwaye i-aperture kufuneka ibe inkulu kangangoko kunokwenzeka. I-nozzle ye-hydraulic valve volve ivele ilungile. I-nozzles kufuneka ifake i-inshuyle kunye neendlela zokulawula ubushushu ukuqinisekisa ukuba ii-nozzles azikhupheli kwaye zibhloka. Nangona kunjalo, iqondo lobushushu lezzzle akufuneki lingaphezulu kakhulu, kungenjalo liya kubangela ukubaleka. I-PP ephantsi yoxinzelelo lwe-PP kufuneka isetyenziswe kwaye i-barrel icocwe ngaphambi kokuqala ukwenza.
Eyona meko iphambili yokubumba isilwanyana sasekhaya
1, ubushushu begreyini.Uluhlu lobushushu lobushushu lwesilwanyana sinqabile, kwaye iqondo lobushushu liya kuchaphazela ngokuthe ngqo ukusebenza kwemveliso. Ukuba iqondo lobushushu liphantsi kakhulu, ayilunganga ukuba iphikise zeplastiki, iidenti, nokunqongophala kweziphene ezibonakalayo; Ngokuchasene noko, ukuba iqondo lobushushu liphezulu kakhulu, liya kubangela i-sping, umbala uya kuba mnyama, amandla omatshini aya kuncipha. Ngokubanzi, amaqondo obushushu eBarrel alawulwa nge-240 ukuya kwi-280 ° C, kunye ne-fiber fiber eqingqiweyo ye-Farrel ngama-250 ukuya kwi-290 ° C. Iqondo lokushisa alifane lingadlulanga kuneqondo lobushushu le-barrel.
2, Ubushushu obubumbileyo.Iqondo lobuncwane elibumbayo lichaphazela ngokuthe ngqo ireyithi yokupholisa kunye ne-crystallity ye-shot, i-crystallies yahlukile, kwaye iipropathi zezithuba zeplastiki nazo zahlukile. Ngokwesiqhelo, ubushushu obubumba bulawulwa nge-100 ukuya kwi-140 ° C. Amaxabiso amancinci ayacetyiswa xa wayesenza iinxalenye ezinqabileyo zeplastiki. Xa kusenziwa iinxalenye zeplastiki ezinqatyisiweyo, kuyacetyiswa ukuba kunexabiseke ngakumbi.
I-3. Uxinzelelo lwenzuzo.I-Pet ill ilt ngulwelo kwaye kube lula. Ngokwesiqhelo, ukusetyenziswa koxinzelelo oluphakathi, uxinzelelo luyi-80 ukuya kwi-140 MPA, kunye ne-fiber-fir-fir-firche-oqinileyo inoxinzelelo lwe-90 ukuya kwi-150 MPA. Uxinzelelo lwenaliti kufuneka lugqitywe ngokujonga i-viscosity yesilwanyana, uhlobo kunye nenani le-filler, indawo nobungakanani besango, ubushushu obubumbayo, kunye nohlobo lwenaliti yamanzi .
Ungakanani na ukuba uyazi malunga nokulungiswa kweeplasitiki zasekhaya?
1, Ukulungiswa kweplastiki
Kuba i-sucromolecules yezilwanyana iqukethe isiseko se-lipid kwaye inee-hydrophiility, amasuntswana athobile ngamanzi kumaqondo obushushu aphezulu. Xa umxholo wokufuma kudlula umda, ubunzima bemoya yesimo sengqondo sesidlo sincipha, kwaye imveliso inombala kwaye iba brittle. Kule meko, izinto eziza kwenziwa mazimiswe ngaphambi kokuba zilungiswe. Iqondo lokushisa liyi-150 iiyure, i-170 3 ukuya kwi-4 iiyure. Indlela yejethi yomoya isetyenziselwa ukuvavanya ukuba ngaba loo nto yomile ngokupheleleyo.
I-2. Ukukhetha umatshini wokuvala
Isilwanyana sasekhaya sinendawo emfutshane yokunyibilikisa kunye nenqaku eliyintloko eliphezulu, ngoko ke kubalulekile ukukhetha inkqubo yentsholongwane kunye noluhlu lwamaqondo obushushu obukhulu kunye nokuzifudula kweqondo lobushushu kunye nobunzima bemveliso akunakuba ngaphantsi kwe-2/3 ye ubunzima bayo. Isixa senaliti yomatshini. Ngokusekwe kwezi mfuno, kwiminyaka yakutshanje, iRamada iphuhlise uthotho lweenkqubo ezimfutshane zeplastiki neziphakathi. Amandla okhenyuza okhethiweyo aphezulu kune-6300t / m2.
I-3. Ukutsala kunye noyilo lweSango
Iimpimo ezizilwanyana zasekhaya zihlala zenziwa ngabalekayo oshushu. Ikhaka lobushushu phakathi kokubumba kunye nomatshini wokubumba kukhethwa ngokukhethekileyo ngobukhulu obuyi-12 mm, kwaye isikhuseli esishushu sinokumela uxinzelelo oluphezulu. Isibuko esingavuyi kufuneka sanele ukuphepha ukugcwala kwendawo okanye ukuchitheka, kodwa ubunzulu bezibuko ezinqabileyo zihlala zingadluli kwi-0.03 mm, ngaphandle kokudanyazwa kulula.
I-4. Ubushushu bokunyibilika
Imilinganiselo inokwenziwa ngendlela yomoya. Nge-270-295 ° C, inqanaba lokuphucula i-GF-Pet linokusetwa ukuya kwi-290-315 ° C.
I-5. Isantya sesantya
Isantya senguquko ngokubanzi ikhawuleza kakhulu, ethintela ukuphiliswa kwangoko kwenaliti. Kodwa ngokukhawuleza kakhulu, iqondo le-Shear ephezulu liyenza ukuba izinto zibe zixhobo. I-popup ihlala igqityiwe kwimizuzwana emi-4.
6, Uxinzelelo lwangasemva
Iphantsi engcono, ukuze inganxibi. Ngokubanzi akukho ngaphezulu kwe-100bar.
IXESHA LOKUQALA: NgoFebwe-24 ukuya ku-2422