Isingeniso: Izinselele Eziqhubekayo Zezinto Ze-PA/GF
I-Glass fiber reinforced polyamides (PA/GF) iyisisekelo sokwenziwa kwesimanje ngenxa yamandla azo akhethekile, ukumelana nokushisa, nokuzinza kohlangothi. Kusukela ezingxenyeni zezimoto nezinto zikagesi zabathengi kuya ezakhiweni ze-aerospace nemishini yezimboni, izinto ze-PA/GF zisetshenziswa kakhulu ezinhlelweni zokusebenza ezisebenza kahle ezidinga ukuqina, ukunemba, nokwethembeka.
Naphezu kwalezi zinzuzo, izinto ze-PA/GF ziletha izinselele eziphikelelayo ezingafaka engozini ukusebenza kahle kokukhiqiza, ikhwalithi yomkhiqizo, nokusebenza kokusetshenziswa kokugcina. Amaphuzu obuhlungu avamile ahlanganisa i-warpage, ukugeleza okuncibilika okungalungile, ukugqoka kwamathuluzi, kanye nokuchayeka kwe-fiber yengilazi (imicu entantayo). Lezi zinkinga zikhuphula izilinganiso zokulahlwa, zikhuphule izindleko zokukhiqiza, futhi zidinga okwengeziwe ngemva kokucubungula—izinselele ezivame ukuthinta i-R&D, ukukhiqiza, namathimba okuthenga ngokufanayo.
Ukuqonda nokubhekana nalezi zinselele kubalulekile kubakhiqizi abahlose ukukhulisa amandla ezinto ze-PA/GF kuyilapho begcina ukusebenza kahle nokusebenza futhi behlangabezana nezindinganiso zekhwalithi eziqinile.
Iphuzu Lobuhlungu 1: Ukucubungula Okuyinkimbinkimbi futhi Okunzima Ukulawula
I-Warpage kanye ne-Deformation
Izinto ze-PA/GF zine-anisotropic kakhulu ngenxa yokuma kwemicu yengilazi. Ngesikhathi sokupholisa, ukuncipha kokungalingani kuvame ukubangela i-warpage ezingxenyeni ezinkulu noma eziyinkimbinkimbi yejometri. Lokhu kuphazamisa ukunemba kobukhulu, kwandisa amazinga e-scrap kanye nokusebenza kabusha, futhi kudla isikhathi nezinsiza. Ezimbonini ezifana nezezimoto kanye ne-aerospace, lapho ukubekezelelana okuqinile kubalulekile, ngisho ne-warpage encane ingase ibangele ukwenqatshwa kwengxenye.
Ukugeleza Okubi kwe-Melt
Ukwengezwa kwemicu yengilazi kukhulisa kakhulu ukuncibilika kwe-viscosity, kudala izinselele zokugeleza ngesikhathi sokubunjwa komjovo. I-viscosity ephezulu yokuncibilika ingaholela ku:
• Amashothi amafushane
• Imigqa yokushisela
• Amaphutha ebusweni
Lezi zinkinga ziyinkinga ikakhulukazi ezingxenyeni zodonga oluncane noma izingxenye ezinemiklamo eyinkimbinkimbi yesikhunta. I-viscosity ephezulu idinga ingcindezi enkulu yomjovo, ukwandisa ukusetshenziswa kwamandla kanye nengcindezi kumishini yokubumba.
Ukugqoka Kwethuluzi Okusheshisiwe
Amafayibha engilazi ayaluma futhi aqinile, asheshisa ukuguga kumasikhunta, ama-runner, nama-nozzles. Ekubumbeni umjovo nokuphrinta kwe-3D, lokhu kufinyeza impilo yamathuluzi, kuphakamisa izindleko zokulungisa, futhi kunganciphisa isikhathi sokukhiqiza. Ngokuphrinta kwe-3D, imicu equkethe i-PA/GF ingaguga imibhobho, okuthinta kokubili ikhwalithi yengxenye nokokusebenza.
I-Interlayer Bonding enganele (yokuphrinta kwe-3D):
Emkhakheni wokukhiqiza okungeziwe, imicu ye-PA/GF ingase ibe nokuhlangana okubuthakathaka phakathi kwezingqimba phakathi nenqubo yokuphrinta. Lokhu kubangela ukuncishiswa kwezakhiwo zemishini zezingxenye eziphrintiwe, okuzenza zingakwazi ukuhlangabezana nezimfuneko ezilindelekile zamandla nokuqina.
Iphuzu Lezinhlungu 2: Ukuvezwa Kwefayibha Yengilazi kanye Nomthelela Wayo
Ukuchayeka kwefayibha yengilazi, okubuye kwaziwe ngokuthi “imicu entantayo,” kwenzeka lapho imicu iphuma endaweni ye-polymer. Lesi simo singathinta kabi kokubili ubuhle nokusebenza:
Ukubukeka Okusengozini:Ubuso bubonakala bumaholoholo, bungalingani, futhi bufiphele. Lokhu akwamukelekile ezinhlelweni ezidinga ukukhanga okubonakalayo okuphezulu, okufana nengaphakathi lezimoto, izindlu zikagesi, nemishini yabathengi.
Ukuzizwa Okungalungile:Izindawo ezimahhadlahhadla, eziklwebhekayo zinciphisa ulwazi lomsebenzisi kanye nekhwalithi yomkhiqizo obonakalayo.
Ukuqina Okuncishisiwe:Izintambo eziveziwe zisebenza njengezigxili zokucindezeleka, zehlisa amandla angaphezulu kanye nokumelana nemihuzuko. Ezindaweni ezinokhahlo (isb, umswakama noma ukuchayeka kumakhemikhali), ukuchayeka kwefayibha kusheshisa ukuguga kwezinto ezibonakalayo kanye nokonakala kokusebenza.
Lezi zinkinga zivimbela izinto ze-PA/GF ekufinyeleleni amandla azo aphelele, okuphoqa abakhiqizi ukuthi bayekethise phakathi kwekhwalithi, ubuhle, nokusebenza kahle kokukhiqiza.
Izixazululo Ezintsha Zezinselele Zokucubungula I-PA/GF
Intuthuko yakamuva kusayensi yezinto ezibonakalayo, ubuchwepheshe bokungezelela, nobunjiniyela bokuxhumana buhlinzeka ngezixazululo ezisebenzayo kulezi zinkinga osekunesikhathi eside zikhona. Ngokuhlanganisa izinhlanganisela eziguquliwe ze-PA/GF, izithasiselo ezisekelwe ku-silicone, nezithuthukisi zokuhambisana ne-fiber-matrix, abakhiqizi bangakwazi ukunciphisa i-warpage, bathuthukise ukugeleza kokuncibilika, futhi banciphise kakhulu ukuchayeka kwe-fiber fiber.
1. I-Low-Warp PA/GF Materials
Impahla ye-PA/GF ene-warp ephansi iklanyelwe ngokukhethekile ukubhekana ne-warpage kanye nokuguqulwa. Ngokulungiselela:
• Uhlobo lwefayibha yengilazi (imicu emifushane, ende, noma eqhubekayo)
• Ukusabalalisa ubude befayibha
• Ubuchwepheshe bokwelapha obuphezulu
• Isakhiwo samangqamuzana e-resin
lezi zakhiwo zinciphisa ukuncipha kwe-anisotropic kanye nokucindezeleka kwangaphakathi, okuqinisekisa ukuzinza kwe-dimensional yezingxenye eziyinkimbinkimbi ezibunjwe ngomjovo. Amamaki e-PA6 akhiwe ngokukhethekile kanye ne-PA66 abonisa ukulawula ukuguquguquka okuthuthukisiwe ngesikhathi sokupholisa, ukugcina ukubekezelelana okuqinile kanye nekhwalithi yengxenye engashintshi.
2. Izinto Ezisetshenziswayo ze-PA/GF Ezigeleza Kakhulu
Izinto zokugeleza eziphezulu ze-PA/GF zibhekana nokugeleza okuncibilikayo okungekuhle ngokuhlanganisa:
• Izithambisi ezikhethekile
• Izithako zepulasitiki
• Ama-polymer anesisindo sokusabalalisa kwamangqamuzana amancane
Lezi zinguquko zinciphisa ukuncibilika kwe-viscosity, okuvumela isikhunta esiyinkimbinkimbi ukuthi sigcwale kahle ekucindezelweni komjovo ophansi. Izinzuzo zihlanganisa: iukwenza ngcono ukukhiqiza, ramazinga okukhubazeka afundile, lukuguga kwamathuluzi kanye nezindleko zokunakekelwa.
Izinsiza Zokucubungula Ezisekelwe ku-Silicone
SILIKE izithasiselo ze-silicone zisebenza njengezithambisi ezisebenza kahle kakhulu nezinsiza zokucubungula.
Izingxenye zabo ze-silicone ezisebenzayo zithuthukisa ukusatshalaliswa kokugcwalisa nokugeleza kwe-ncibilika, zikhuphule ukuphuma kwe-extruder ngenkathi kunciphisa ukusetshenziswa kwamandla. Umthamo ojwayelekile: 1–2%, ohambisana ne-twin-screw extrusion.
Kuhlomula SILIKE'sIzinsiza Zokucubungula Ezisekelwe ku-Siliconeku-PA6 eno-30%/40% we-glass fiber (PA6 GF30 /GF40):
• Indawo ebushelelezi enemicu embalwa eveziwe
• Ukugcwaliswa kwesikhunta okuthuthukisiwe nokugeleza
• Ukuncipha kwe-warpage kanye nokuncipha
Yiziphi izithasiselo ze-silicone ezinconywayo ukuze kuncishiswe ukuchayeka kwefayibha yengilazi nokuthuthukisa ukuncibilika kokuncibilika ku-PA/GF nokunye ukwakheka kwepulasitiki yobunjiniyela?
I-SILIKE I-Silicone Powder LYSI-100A iwusizo lokucubungula olusebenza kahle kakhulu
Lesi sengezo se-silicone sezinhlelo zokusebenza ezihlukene ze-thermoplastic, okuhlanganisa izintambo ezingenawo i-halogen ezingabusheki ilangabi nezinhlanganisela zekhebula, i-PVC, amapulasitiki obunjiniyela, amapayipi, nama-plastic/filler masterbatches. Ezinhlelweni ezihambisana ne-PA6-resin, lesi sithasiselo sepulasitiki esisekelwe ku-silicone sinciphisa ukuchayeka kwe-extruder torque kanye ne-glass fibre, sithuthukisa ukugeleza kwe-resin nokukhululwa kwesikhunta, futhi sithuthukise ukumelana nokuhuzuka kwendawo—okuletha kokubili ukusebenza kahle kokucubungula kanye nokusebenza komkhiqizo okuphakeme.
Isetshenziswa emikhiqizweni ye-thermoplastic efana ne-PE, PP, PVC, PMMA, PC, PBT, PA, PC/ABS, njll., ukucubungula ukuthuthukiswa nokuthuthukiswa kwendawo.
Ukwengeza i-SILIKE Silicone Powder LYSI-100A noma i-Copolysiloxane Additives and Modifiers ukwakheka kwe-SILIMER 5140 kuya ku-PA6 GF40 kunganciphisa kakhulu ukuchayeka kwefayibha, kuthuthukise ukugcwaliswa kwesikhunta, futhi kulethe ukuthuthuka okuqinisekisiwe kwikhwalithi ephezulu, ukugcotshwa kokucubungula, kanye nokuqina komkhiqizo kukonke.
4. I-Interface-Compatibility Enhancement
Ukunganamatheli kahle phakathi kwemicu yengilazi kanye ne-polyamide matrix kuyimbangela eyinhloko yokuchayeka kwefayibha. Ukusebenzisa ama-ejenti okuhlanganisa athuthukile (isb, ama-silane) noma ama-compatibilizers (ama-polymers afakwe i-anhydride-grafted) kuqinisa i-fiber-matrix bonding, iqinisekisa ukuthi imicu ihlala ivaliwe ngesikhathi sokucubungula. Lokhu akuthuthukisi nje kuphela ubuhle bendawo kodwa futhi kuthuthukisa ukusebenza komshini nokuqina.
5. I-Long Fiber Thermoplastics (LFT)
I-long fiber thermoplastics (LFT) ihlinzeka ngenethiwekhi yefayibha ephelele kunemicu emifushane, enikeza:
• Amandla aphezulu nokuqina
• I-warpage encishisiwe
• Ukumelana nomthelela okuthuthukisiwe
Ubuchwepheshe besimanje bokukhiqiza, okuhlanganisa i-pultrusion kanye nokubumba komjovo we-LFT okuqondile, kwenze ukuba i-LFT ikwazi ukucutshungulwa kahle, iyenze ifanelekele ukusebenza okuphezulu nezinhlelo zokusebenza zesakhiwo.
Kungani Abakhiqizi Kufanele Bacabange Lezi Zisombululo?
Ngokwamukela izinsiza zokucubungula ezisekelwe ku-silicone kanye nezinhlanganisela ezithuthukisiwe ze-PA/GF, abakhiqizi bangakwazi:
Letha imikhiqizo yekhwalithi ephezulu, engaguquki
Yehlisa ukugcinwa kwemishini kanye nesikhathi sokuphumula
Thuthukisa ukusetshenziswa kwezinto kanye nempumelelo yokukhiqiza
Hlangana kokubili ukusebenza kanye nezindinganiso zobuhle
Isiphetho
Izinto ze-PA/GF zinikeza amandla akhethekile, kodwa i-warpage, ukugeleza okungalungile, ukuguga kwamathuluzi, nokuchayeka kwefayibha ngokomlando kukhawulele izinhlelo zakho zokusebenza.
ukusebenza kahle okuphezuluizixazululo—njengeI-SILIKE izithasiselo ze-silicone (LYSI-100A, SILIMER 5140),Inhlanganisela ye-PA/GF ene-warp ephansi, kanye nobuchwepheshe bokuthuthukisa isixhumi esibonakalayo-kunikeza amasu asebenzayo okunqoba lezi zinselele.
Ngokuhlanganisa lezi zixazululo, abakhiqizi bangakwazi ukuthuthukisa ikhwalithi ephezulu, bagcine ukuzinza kwe-dimensional, banciphise izinsalela, futhi bathuthukise ukusebenza kahle kokukhiqiza-ukuletha imikhiqizo ehlangabezana kokubili namazinga ezimboni kanye nokulindelwe ngamakhasimende.
Uma ubheke ukuxazulula izinselele zokucubungula i-PA/GF kanye nezinkinga zokuchayeka kwefiber yengilazi, xhumana no-SILIKE ukuze uhlole ezethuizixazululo ze-silicone additivefuthi uthathe izinga lomkhiqizo wakho nokusebenza kahle ukubeke kwelinye izinga.Tel: +86-28-83625089 or via email: amy.wang@silike.cn.
Isikhathi sokuthumela: Sep-12-2025
