Ⅰ.I-NYLOLO 6 INYANISO YOKUGQIBELA
1.Iziza
Iipropathi zekhemikhali kunye nezomzimba ze-PA6 ziyafana nezo ze-PA66; Nangona kunjalo, inendawo yokunyibilika esezantsi kunye nenqanaba lobushushu lenkqubo.Intendeneyo kwifuthe kwaye ukuntywila kungcono kune-PA66, kodwa ikwanjalo nakwi-hygroscopic ngakumbi. Kuba uninzi lweempawu ezisemgangathweni zeenxalenye zeplastiki zichaphazeleka yi-hygroscopicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicicional, oku kufanele kuthathelwe ingqalelo xa kuyila iimveliso usebenzisa i-PA6.
Ukwenzela ukuphucula iipropathi zoomatshini be-PA6, iintlobo ngeentlobo zeemodyuli zihlala zongezwa. Iglasi yeyona nto iqhelekileyo, kwaye ngamanye amaxesha irabha ye-syntichetic, njenge-EPDM kunye ne-SRO, yongezwa ukuphucula ukumelana kwefuthe.
Ukufumana iimveliso ngaphandle kongeziweyo, i-PA6 Shrinkage iphakathi kwe-1% ne-1.5%. Ukongezwa kwezinto zongezwa ze-fiberglass kunciphisa ireyithi ye-shrinkage ukuya kwi-0.3% (kodwa ingaphezulu kancinane kwiNkqubo). Inqanaba le-shrinkage yendibano ebumbayo lichaphazeleka ikakhulu kukuthetha kunye nokuhlela izinto ezizezakhiwo. Iqondo lokwenyani leShrinkgege ikwangumsebenzi woyilo lweplastiki, ubukhulu becala kunye nezinye iiparamitha zenkqubo.
2.Imigaqo yenkqubo yenaliti yokutsala
. Ukuba izinto ezibonakalayo zinikezelwa kwiphakheji yamanzi, isikhongozeli kufuneka sigcinwe sonwabile. Ukuba umswakama ungaphezulu kwe-0.2%, kuyacetyiswa ukuba yome umoya oshushu ngaphezulu kwe-80 ° C kwiiyure ezili-16. Ukuba izinto zivelisiwe kumoya ngaphezulu kweeyure ezi-8, kuyacetyiswa ukuba i-vacuum yome kwi-moya eshushu kwi-105 ℃ ngaphezulu kweeyure eziyi-8.
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(3) Ubushushu obuMnyama: 80 ~ 90 ℃. Iqondo lobushushu elichaphazela kakhulu i-crystallies, ethi ichaphazele iipropathi zoomatshini beenxalenye zeplastiki. I-Crystalliety ibaluleke kakhulu kwinxalenye yolwakhiwo, ngoko ke iqondo lobuncwane elicetyiswayo liyi-80 ~ 90 ℃.
Kwiinxalenye zeplastiki ezinqabileyo ezinendlela enemigangatho ende, kuyacetyiswa ukufaka iqondo lobushushu obuphezulu. Ukonyusa ubushushu obubumba kunokubuphucula amandla kunye nokuqina kweenxalenye zeplastiki, kodwa kunciphisa kakhulu ubunzima. Ukuba ubukhulu becala bungaphezulu kwe-3mm, kuyacetyiswa ukuba basebenzise iqondo lobushushu esisezantsi se-20 ukuya kuma-40 ℃. Kwiglasi ye-fiber fiber eqinelwe amaqondo obushushu enyama kufuneka abe ngaphezulu kwe-80 ℃.
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(5) Isantya senaliti: Isantya esiphezulu (esezantsi kancinane kwizinto eziphuculweyo).
(6) Imbaleki nesango: Indawo yesango ibaluleke kakhulu ngenxa yexesha elifutshane lokuziqinisa le-PA6. Isango leSango alifanele libe ngaphantsi kwe-0.5 * t (phi i-t ubukhulu beenxalenye zeplastiki).
Ukuba imbaleki eshushu isetyenzisiwe, ubungakanani besisango kufuneka bube mncinci kunokuba imbaleki yesiqhelo isetyenziswa, njengoko i-ningrener eshushu inokunceda ukukhusela ukuqiniswa kwangaphambi kwexesha. Ukuba kusetyenziswa isango elinemikhono, ubuncinci besango luya kuba yi-0.75mm.
I-PA6 inaliti ye-Ination ye-Pojed
Ⅱ.YNLO 66 INYANISO YOKUGQIBELA
1.Ukomisa i-nylon 66
(1) UVunuum womile: Ubushushu 95-105 iiyure ezingama-6-8
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. Iqondo lobushushu linempembelelo enkulu kwi-crystallization, i-sub yeqondo eliphezulu lobushushu i-crystallinity, amaqondo obushushu asezantsi aphantsi.
. Inqanaba le-shrinkage le-PA66 yi-1.5-2%.
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2.Phakama kunye nezibumba
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I-NYLOLO 66 Inaliti yeemveliso ezibunjiweyo
3.Ukusebenza kwenkqubo ye-NYLOLO 66
. Nylon 66 yi-260 ℃. Ngenxa yozinzo lwe-shorm, ayifanelekanga ukuhlala kwi-cylinder kwiqondo lokushisa elingaphezulu, ngenxa yoko le nto ityheli, kwangaxeshanye ngenxa yokunyibilika emva kokuhamba ngokukhawuleza.
. Kulula ukuba neengxaki zaneleyo kwiimveliso ezinemilo ebunzima kunye nobunzima obucekeceke, ngoko ke zifuna uxinzelelo oluphezulu. Ngokwesiqhelo uxinzelelo luphakame kakhulu, iimveliso ziya kuphuphuma iingxaki; Ukuba uxinzelelo luphantsi kakhulu, iimveliso ziya kuvelisa iiripples, iibbhu, amanqaku abonakalayo e-fusion okanye iimveliso ezingonelanga kunye nezinye iziphene. Ixhala lenaliti yeentlobo ze-nylon zenylon alingaphezulu kwe-120mpa, kwaye ukhetho luhlala ngaphakathi kuluhlu lwe-60-100MPA ukuya kuhlangabezana neemfuno zezona mveliso. Logama nje iimveliso zingabonakali iibbhu, iidemon kunye nezinye iziphene, akulindelekile ukuba zisebenzise ukugcinwa koxinzelelo oluphezulu. Ukuze banganyusi uxinzelelo lwangaphakathi lwemveliso.
. Isantya esikhawulezayo sesantya esikhawulezayo asinampembelelo ebaluleke kakhulu kwipropathi yemveliso.
. Iqondo lobuncwa eliphakamileyo line-crystallies ephezulu, lidle i-Hardy, ukunyuka kwe-Elastic, ukuncipha kwamanzi, ukuncipha kwamanzi, kunye nokuxhuma kwemveliso yemveliso yongezwe; Iqondo lobuncwa eliphantsi eliphantsi, i-crystallinity ephantsi, ubuchule obulungileyo, i-elongwation ephezulu.
4.I-NYLOLO 66 Inkqubo yokwakha inkqubo
Ubushushu obungasemva bebarrel yi-240-285 ℃, ubushushu obuphakathi ngama-260-300 ℃, kunye nobushushu obungaphambili yi-260-300 ℃. Ubushushu be-nozzlele buneminyaka engama-260-280 ℃, kwaye ubushushu obubumba bungama-20-90 ℃. Uxinzelelo lwenaliti yi-60-200MPA
Ukusetyenziswa kwe-Arhente yokukhutshwa: Ukusetyenziswa kwe-Arhente encinci ngamanye amaxesha kunefuthe lokuphucula nokuphelisa iiblus kunye nezinye iziphene. Iarhente yokukhutshwa kweemveliso zenylon inokukhetha i-zinc stearate kunye neoyile emhlophe, njl njl. Kwivaddown ukuba ulahle isikhafu, ukuthintela imveliso elandelayo, isikrini esaphukileyo.
INkqubo ye-Inaliti
I-1.pa12 inaliti yenkqubo yenkqubo
(1) Unyango olomileyo: Umswakama kufuneka uqinisekiswe ngezantsi kwe-0.1% ngaphambi kokuqhutywa. Ukuba izinto zivezwa kukugcinwa komoya, kuyacetyiswa ukuba yome kwi-85 ℃ umoya oshushu kwiiyure ezi-4 ukuya kwezi-5. Ukuba umxholo ugcinwe kwisikhongozeli somoya, inokusetyenziswa ngokuthe ngqo emva kweeyure ezi-3 zokulingana nobushushu.
(2) Ubushushu bokunyibilika: 240 ~ 300 ℃; Ungadluli kwi-310 ℃ Ngezixhobo ezineempawu eziqhelekileyo, kwaye ungadluli kwi-270 ℃ Ngezinto ezikumfanekiso ohlawulelweyo.
. Iqondo lobushushu liya kwandisa i-crystallies yezinto ezibonakalayo. Kubalulekile ukuba i-PA12 ilawule ngokuchanekileyo iqondo lobushushu.
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(5) Isantya senaliti: Isantya esiphezulu (ngokukhethekileyo izixhobo ngezongezo zeglasi).
. Ngeemfuno ezizodwa ezikhoyo ze-5 ~ 8mm inkulu kakhulu i-ranner. Imilo yembaleki iya kuba setyhula. Izibuko le-inates kufuneka libe lifutshane kangangoko kunokwenzeka. Iifom ezahlukeneyo zesango zinokusetyenziswa. Iindawo zeplastiki ezinkulu azisebenzisi isango elincinci, oku kukuphepha uxinzelelo olugqithisileyo kwiziko leplastiki okanye ireyithi ye-shrinkage egqithisileyo. Ubunzima beSango kufuneka bulingane nobunzima bendawo yeplastiki. Ukuba isango elinemikhono lisetyenziswa, ubuncinci be-0.8mm kuyacetyiswa. I-ranner eshushu i-runners iyasebenza, kodwa ifuna ulawulo lobushushu oluchanekileyo ukuthintela izinto ekuthinteleni okanye ngokuqinileyo kwi-nozzle. Ukuba indibano eshushu isetyenzisiwe, ubungakanani besango kufuneka bube mncinci ngakumbi kunembaleki ebandayo.
Ⅳ.I-PA1010 yeemeko zentsholongwane
Ngoba i-NYLOLO 1010 Imozulu yemolekyuli iqulethe amaqela e-Hydrophilic, kulula ukufunxa umswakama, ireyithi yayo yokulingana kwamanzi yi-0.8% ~ 1.0%. Ukufuma kunesiphumo esibonakalayo kwiipropathi zomzimba kunye noomatshini be-NYLOLO 1010. Ke ngoko, izinto ezingafunekiyo kufuneka zomiswe ngaphambi kokusebenzisa i-0.1%. Xa yomisa i-NYLOLO 1010 kufuneka ithintele ulwaziso lwe-oxidation, kuba iqela le-amil linobuthathaka kwi-OXYGEN YOKUGQIBELA. Kungcono ukusebenzisa i-vacuum yomile xa yomile, kuba le ndlela inomgangatho wokuphelelwa ngumsindo, ixesha elifutshane lokukoma kunye nomgangatho olungileyo weegranugules olweleyo. Iimeko zokomisa zihlala zingaphezulu kwe-94.6 ye-KPA depyuum, i-90 ~ 100 ℃ Iqondo lobushushu, ixesha elomileyo 8 ~ 12h; Umxholo wamanzi wehliselwe kwi-0.1% ~ 0.3%. Ukuba ukusetyenziswa kwe-oveni eqhelekileyo eyomileyo, iqondo lokumisa kufuneka lilawulwe nge-95 ~ 105 ℃, kwaye yandise ixesha elomileyo, ngokubanzi lidinga i-20 ~ 24h. Izinto ezomileyo kufuneka zigcinwe ngononophelo ukuthintela ukufunyanwa komswakama.
1.I-PA1010 yeemeko zentsholongwane
(1) Inkqubo yeplastiki
Phambi kokuba ungene kwi-wivity ye-nylon 1010 kufuneka ifikelele kubushushu obuchaziweyo, kwaye inokubonelela ngesixa esaneleyo sezinto ezibonakalayo ngaphakathi kwexesha elichaziweyo, iqondo lobushushu le-moltenn eqinileyo kufuneka libe liyunifomu. Ukwenzela ukuhlangabezana nezi mfuno zingasentla, umatshini wokuvala inaliti isetyenziswa ngokwemilinganiselo ye-NYLOLO 1010, isikali sisicatshulwa okanye uhlobo oludibeneyo. Ubushushu be-barrel bunyuka ngokulandelelana kwi-hopper feed god ngaphambili. Ngenxa yokuba ulawulo lobushushu be-barrel kufutshane nendawo yokunyibilika buyilungele ukwaphucuka kwamandla empembelelo, kwaye unokuthintela ukuvuza kwezixhobo, thintelisa ukubola kwezinto, ubushushu be-barrel ngokubanzi bungama-230 ~ 230 ℃. Ukwenzela ukunciphisa ukungqubana phakathi kwesikrweqe kunye ne-PA1010 ngexesha le-Praffin, i-Paraffin yeParaffin ingasetyenziswa njengeoyile, isixa esiyi-2 ml / kg / kg, kunye neqondo lobushushu le-80 ~. Ukunyuka koxinzelelo lwasemva kuya kuba lula ukuqhwalela izinto ezikwisikhumba, kususa igesi yemolekyuli ephantsi, kodwa ukwanda kwe-plastice i-screw kunye ne-borrel, ukwenzela ukuba amandla afakelweyo ancitshisiwe. Ukufaka uxinzelelo lwangasemva akufuneki ukuba luphakame kakhulu, kungenjalo kuya kunciphisa kakhulu ukusebenza kweplastiki, kwaye nokuvelisa amandla amaninzi kunye nokubulala ubushushu. Ke ngoko, phantsi kwemeko yokuhlangabezana neemfuno zenaliti, ephantsi iplastiki yoxinzelelo, engcono, ngokubanzi i-0.5-1.0mpa.
(2) Inkqubo yokugcwaliswa kokugcwala:
Kule nkqubo, ingqalelo kufuneka ihlawulwe kuxinzelelo lwenaliti kunye nenaliti ye-NYLOLO 1010 inaliti. Ngokubanzi, uxinzelelo lwenaliti kufuneka lube yi-2 ~ 5MPA, kunye nesantya sesantya kufuneka sicothise. Ukuba uxinzelelo lwenaliti luphakame kakhulu kwaye isantya sesantya sikhawuleza kakhulu, ke kulula ukwenza ukuhamba kwesiphithiphithi, okungahambelaniyo nokuphelisa amaqamza kwimveliso. Ngokutsho kweempawu zokutshintsha koxinzelelo lwengcinezelo ye-onld, inkqubo yenaliti inokwahlulwahlulwa ibe ngamanqanaba obomi, ukuhamba nokugcwalisa. Inkqubo yokupholisa iyahlulwahlulwahlulwahlulwahlulwahlulwahlulwahlulo: Ingcinezelo yokugcina kunye nokondla, ukubuyela umva kunye nokupholisa emva kwesango.
Iimeko ezithile kufuneka zifezekiswe ukufezekisa uxinzelelo lokugcina kunye nokuqalisa izinto. Kwelinye icala, kufuneka siqinisekise ukuba kukho izinto ezaneleyo ze-mollen, oko kukuthi, kukho izinto ezalise; Kwangelo xesha, inkqubo yokuphosa ayinakuqiniswa kwangoko, ukuze izinto ezizithobelweyo zinendlela yokuhamba, yimeko eyimfuneko yokuqalisa izinto zokubhala. Kwelinye icala, uxinzelelo lwenaliti kufuneka luphezulu lwanele kwaye uxinzelelo lwexesha kufuneka lude ngokwaneleyo, oluyimeko eyaneleyo yokufezekisa ukondla.
Ixesha lokubanjwa lihlala limiselwa ngokulingwa kwaye alikho ixesha elide okanye lifutshane kakhulu. Ukuba uxinzelelo lokuthatha ixesha lide kakhulu, aluyi kukhulisa kuphela umjikelo wokubumba, kodwa wenze uxinzelelo lwentsalela kwi-mobnity enkulu kakhulu, ngaphandle kokuvula i-mold, ukongeza, ikwandisa ukusetyenziswa kwamandla. Eyona nto ibalulekileyo yokubamba ixesha elifanelekileyo kufuneka ukuba lenze uxinzelelo lwentsalela ye-cavity ye-SEF i-zero xa kuvulwa. Ngokubanzi, uxinzelelo lwengcinezelo lokufumana ixesha le-NYLOLO 1010 iinxalenye ezingama-4 ~ 50 s.
(3) Ukudilizwa:
I-NYLOLO I-1010 Inxalenye ye-dedreddided xa ipholile xa imbiwe ukuba nelukhuni okwaneleyo. Iqondo lobushushu leDeling akufuneki lingaphezulu kakhulu, elilawulwa ngokubanzi phakathi kobushushu bobushushu be-thermal ye-PA1010 kunye nobushushu obubumbayo. Xa i-Douldling, uxinzelelo lwentsalela le-mold cavity kufuneka isondele kwi-zero, egqitywe luxinzelelo lokufumana ixesha. Ngokubanzi, ixesha lokubumba lelifa le-PA1010 le-PA1010: Inaliti Ixesha le-4 ~ 20 s, uxinzelelo olubambe ixesha le-4 ~ 50 s, ixesha lokupholisa i-10 ~ 20s.
Umthombo: I-PA NYLOLO ye-thrin
IXESHA LOKUQALA: UMar-09-2023