Nkhani

Chiyambi: Mavuto Osatha a Zida za PA/GF

Ma polyamides olimbikitsidwa ndi ulusi wagalasi (PA/GF) ndi maziko opangira zinthu zamakono chifukwa cha mphamvu zawo zapadera zamakanika, kukana kutentha, komanso kukhazikika kwa mawonekedwe. Kuyambira zida zamagalimoto ndi zamagetsi zamagetsi mpaka zomangamanga zamlengalenga ndi makina amafakitale, zipangizo za PA/GF zimagwiritsidwa ntchito kwambiri pa ntchito zapamwamba zomwe zimafuna kulimba, kulondola, komanso kudalirika.

Ngakhale zabwino izi, zinthu za PA/GF zimakhala ndi zovuta zomwe zingasokoneze magwiridwe antchito a zinthu, ubwino wa zinthu, komanso magwiridwe antchito omalizira. Mavuto omwe amapezeka nthawi zambiri ndi monga kupotoka kwa zinthu, kusungunuka kosayenda bwino, kuwonongeka kwa zida, komanso kuwonekera kwa ulusi wagalasi (ulusi woyandama). Mavutowa amawonjezera kuchuluka kwa zinyalala, kukweza ndalama zopangira, komanso kumafuna zina zowonjezera pambuyo pokonza zinthu—zovuta zomwe nthawi zambiri zimakhudza magulu a kafukufuku ndi chitukuko, kupanga, ndi kugula zinthu.

Kumvetsetsa ndi kuthana ndi mavutowa ndikofunikira kwambiri kwa opanga omwe akufuna kukulitsa kuthekera kwa zipangizo za PA/GF pomwe akupitilizabe kugwira ntchito bwino komanso kukwaniritsa miyezo yokhwima yaubwino.

Mfundo Yopweteka 1: Kukonza Kovuta Komanso Kovuta Kulamulira

Warpage ndi Kusintha

Zipangizo za PA/GF zimakhala zotentha kwambiri chifukwa cha momwe ulusi wagalasi umayendera. Pa nthawi yozizira, kuchepa kosagwirizana nthawi zambiri kumayambitsa kusokonekera kwa zinthu zazikulu kapena zovuta kwambiri. Izi zimasokoneza kulondola kwa miyeso, zimawonjezera kuchuluka kwa zinyalala ndi kukonzanso zinthu, ndipo zimawononga nthawi ndi zinthu zina. Kwa mafakitale monga magalimoto ndi ndege, komwe kulekerera kwambiri ndikofunikira, ngakhale kusokonekera pang'ono kumatha kupangitsa kuti zigawo zikanidwe.

Kusungunuka Koyipa

Kuwonjezera ulusi wagalasi kumawonjezera kwambiri kukhuthala kwa kusungunuka, zomwe zimapangitsa kuti kuyenda bwino kukhale kovuta panthawi yopangira jakisoni. Kukhuthala kwa kusungunuka kwambiri kungayambitse:

• Zithunzi zazifupi

• Mizere yolukira

• Zolakwika pamwamba

Mavuto amenewa ndi ovuta kwambiri makamaka pazigawo zopyapyala kapena zigawo zomwe zili ndi mapangidwe ovuta a nkhungu. Kukhuthala kwakukulu kumafunanso kupanikizika kwakukulu kwa jakisoni, kuwonjezera mphamvu zomwe zimagwiritsidwa ntchito komanso kupsinjika kwa zida zopangira utomoni.

Kuvala Zida Mofulumira

Ulusi wagalasi ndi wolimba komanso wovuta, zomwe zimapangitsa kuti zipse msanga pa nkhungu, zothamanga, ndi ma nozzle. Mu jekeseni wopangira ndi kusindikiza kwa 3D, izi zimafupikitsa moyo wa zida, zimawonjezera ndalama zokonzera, komanso zimatha kuchepetsa nthawi yogwira ntchito. Pa kusindikiza kwa 3D, ulusi wokhala ndi PA/GF ukhoza kuwononga ma nozzle, zomwe zimakhudza ubwino wa gawo komanso mphamvu yogwiritsira ntchito.

Kusakwanira kwa Interlayer Bonding (kwa 3D Printing):

Mu gawo la kupanga zowonjezera, ulusi wa PA/GF ukhoza kukhala ndi mgwirizano wofooka pakati pa zigawo panthawi yosindikiza. Izi zimapangitsa kuti zinthu zosindikizidwa zichepetse mphamvu zomwe zimafunika, zomwe zimapangitsa kuti zisakwaniritse zofunikira zomwe zimayembekezeredwa komanso kulimba.

Mfundo Yopweteka 2: Kuwonetsedwa kwa Ulusi wa Galasi ndi Zotsatira Zake

Kuwonekera kwa ulusi wagalasi, komwe kumadziwikanso kuti "ulusi woyandama," kumachitika pamene ulusi umatuluka pamwamba pa polima. Chochitika ichi chingakhudze kukongola ndi magwiridwe antchito:

Mawonekedwe Osakhazikika:Malo amaoneka ouma, osafanana, komanso osasangalatsa. Izi siziloledwa pa ntchito zomwe zimafuna mawonekedwe okongola kwambiri, monga mkati mwa magalimoto, nyumba zamagetsi, ndi zipangizo zamagetsi.

Kumva Kosagwira Bwino:Malo owuma komanso okanda amachepetsa luso la ogwiritsa ntchito komanso khalidwe la malonda.

Kuchepa Kulimba:Ulusi wowonekera umagwira ntchito ngati zinthu zolimbitsa thupi, kuchepetsa mphamvu ya pamwamba komanso kukana kukwawa. M'malo ovuta (monga chinyezi kapena kuwonetsedwa ndi mankhwala), kuwonetsedwa ndi ulusi kumathandizira kukalamba kwa zinthu ndikuwonongeka kwa magwiridwe antchito.

Mavuto amenewa amalepheretsa zipangizo za PA/GF kufika pamlingo woyenera, zomwe zimapangitsa opanga kuti asamagwirizane ndi ubwino, kukongola, komanso kugwira ntchito bwino kwa zinthu.

Mayankho Atsopano a Mavuto Okhudza Kukonza Zinthu ku PA/GF

Kupita patsogolo kwaposachedwa mu sayansi ya zinthu, ukadaulo wowonjezera, ndi uinjiniya wa mawonekedwe kumapereka mayankho othandiza pamavuto akale awa. Mwa kuphatikiza mankhwala osinthidwa a PA/GF, zowonjezera zochokera ku silicone, ndi zowonjezera za fiber-matrix, opanga amatha kuchepetsa kupotoka, kusintha kayendedwe ka kusungunuka, komanso kuchepetsa kwambiri kuwonekera kwa ulusi wagalasi.

1. Zipangizo za PA/GF Zotsika

Zipangizo za PA/GF zopindika pang'ono zimapangidwa makamaka kuti zithetse mavuto ndi kusintha kwa zinthu. Mwa kukonza bwino:

• Mtundu wa ulusi wagalasi (ulusi waufupi, wautali, kapena wopitirira)

• Kugawa kutalika kwa ulusi

• Ukadaulo wochizira pamwamba

• Kapangidwe ka mamolekyu a resin

Ma formula awa amachepetsa kuchepa kwa anisotropic ndi kupsinjika kwamkati, kuonetsetsa kuti magawo ovuta opangidwa ndi jakisoni amakhala olimba. Magiredi a PA6 ndi PA66 opangidwa mwapadera akuwonetsa kuwongolera bwino kwa kusintha kwa zinthu panthawi yozizira, kusunga kulekerera kolimba komanso khalidwe lokhazikika la magawo. 

2. Zipangizo za PA/GF Zoyenda Bwino

Zipangizo za PA/GF zoyenda bwino zimathandiza kuthetsa kusungunuka kosayenda bwino mwa kuphatikiza:

• Mafuta apadera odzola

• Zopangira pulasitiki

• Ma polima okhala ndi kugawa kochepa kwa kulemera kwa mamolekyulu

Zosinthazi zimachepetsa kukhuthala kwa kusungunuka, zomwe zimathandiza kuti nkhungu zovuta zizitha kudzaza bwino pakagwa mphamvu zochepa. Ubwino wake ndi monga: ikukonza bwino ntchito yopangira, rkuchuluka kwa zilema zophunzitsidwa, lndalama zowonongera ndi kukonza zida zamphamvu.

Zothandizira Kukonza Zinthu Zochokera ku Silicone

Zowonjezera za silikoni ya SILIKE zimagwiritsidwa ntchito ngati mafuta odzola ogwira ntchito kwambiri komanso zothandizira kukonza zinthu.

Zigawo zawo zogwira ntchito za silicone zimathandiza kufalitsa zodzaza ndi kusungunuka kwa madzi, zomwe zimawonjezera mphamvu yotulutsa madzi pamene zimachepetsa kugwiritsa ntchito mphamvu. Mlingo wamba: 1–2%, umagwirizana ndi zotulutsa za twin-screw.

Ubwino wa SILIKEZothandizira Kukonza Zinthu Zochokera ku Siliconemu PA6 yokhala ndi ulusi wagalasi wa 30%/40% (PA6 GF30 /GF40):

• Malo osalala okhala ndi ulusi wochepa wowonekera

• Kudzaza bwino kwa nkhungu komanso kuyenda bwino

• Kuchepa kwa kupotoka ndi kufupika

Ndi zowonjezera ziti za silicone zomwe zimalimbikitsidwa kuti zichepetse kuwonekera kwa ulusi wagalasi ndikuwonjezera kuyenda kwa kusungunuka mu PA/GF ndi ma pulasitiki ena auinjiniya?

Ufa wa SILIKE Silicone LYSI-100A ndi chida chothandizira kwambiri pokonza zinthu

Chowonjezera cha silicone ichi chimagwiritsidwa ntchito m'njira zosiyanasiyana za thermoplastic, kuphatikizapo waya ndi ma waya opanda halogen omwe sawononga moto, PVC, mapulasitiki opanga, mapaipi, ndi ma masterbatches apulasitiki/zodzaza. Mu makina a resin ogwirizana ndi PA6, chowonjezera cha pulasitiki ichi chochokera ku silicone chimachepetsa mphamvu ya extruder ndi kuwala kwa ulusi wagalasi, chimawongolera kuyenda kwa resin ndi kutulutsa nkhungu, komanso chimawonjezera kukana kwa kukwawa pamwamba—kumapereka magwiridwe antchito komanso magwiridwe antchito abwino kwambiri.

SILIKE SILIMER 5140: Chowonjezera cha mafuta chopangidwa ndi copolysiloxane chosinthidwa ndi polyester chokhala ndi kukhazikika kwabwino kwa kutentha

Amagwiritsidwa ntchito mu zinthu zopangidwa ndi thermoplastic monga PE, PP, PVC, PMMA, PC, PBT, PA, PC/ABS, ndi zina zotero, pokonza zinthu ndi kukonza pamwamba.

Kuwonjezera SILIKE Silicone Powder LYSI-100A kapena Copolysiloxane Zowonjezera ndi Zosintha SILIMER 5140 ku PA6 GF40 formulations kungachepetse kwambiri kukhudzana ndi ulusi, kukulitsa kudzaza kwa nkhungu, ndikupereka kusintha kotsimikizika pamtundu wa pamwamba, mafuta oyeretsera, komanso kulimba kwa chinthu chonsecho.

4. Kukulitsa Kugwirizana kwa Mawonekedwe

Kusagwirizana bwino pakati pa ulusi wagalasi ndi polyamide matrix ndiye chifukwa chachikulu chomwe chimayambitsa kukhudzana ndi ulusi. Kugwiritsa ntchito zinthu zolumikizira zapamwamba (monga silanes) kapena zogwirizanitsa (ma polima a maleic anhydride-grafted) kumalimbitsa mgwirizano wa ulusi ndi matrix, kuonetsetsa kuti ulusiwo umakhalabe wotsekedwa panthawi yokonza. Izi sizimangowonjezera kukongola kwa pamwamba komanso zimawonjezera magwiridwe antchito amakina komanso kulimba.

5. Thermoplastics Yaitali ya Ulusi (LFT)

Ma thermoplastics a ulusi wautali (LFT) amapereka ulusi wathunthu kuposa ulusi waufupi, zomwe zimapereka:

• Mphamvu ndi kuuma kwakukulu

• Kuchepa kwa tsamba lankhondo

• Kulimba kwa kukana kukhudzidwa

Ukadaulo wamakono wopanga zinthu, kuphatikizapo pultrusion ndi kupanga jakisoni mwachindunji wa LFT, wakonza bwino njira yogwiritsira ntchito LFT, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito bwino komanso yopangidwa mwaluso.

Chifukwa Chiyani Opanga Ayenera Kuganizira Mayankho Awa？

Pogwiritsa ntchito zinthu zothandizira kukonza zinthu pogwiritsa ntchito silicone komanso mankhwala apamwamba a PA/GF, opanga akhoza:

Perekani zinthu zabwino kwambiri komanso zogwirizana

Chepetsani kukonza zida ndi nthawi yopuma

Kupititsa patsogolo kagwiritsidwe ntchito ka zinthu ndi kupanga bwino

Kukwaniritsa miyezo yonse ya magwiridwe antchito ndi kukongola

Mapeto

Zipangizo za PA/GF zimapereka kuthekera kwakukulu, koma kupotoka, kuyenda bwino kwa madzi, kuwonongeka kwa zida, ndi kuwonekera kwa ulusi kwakhala kumachepetsa kugwiritsa ntchito kwawo.

magwiridwe antchito apamwambamayankho—mongaZowonjezera za silikoni ya SILIKE (LYSI-100A, SILIMER 5140),Ma compounds a PA/GF otsika-warp, ndi ukadaulo wowonjezera mawonekedwe—amapereka njira zothandiza zothetsera mavutowa.

Mwa kuphatikiza mayankho awa, opanga amatha kukonza mawonekedwe a pamwamba, kusunga kukhazikika kwa mawonekedwe, kuchepetsa zinyalala, ndikukonza bwino ntchito yopanga—kupereka zinthu zomwe zikugwirizana ndi miyezo yamafakitale komanso zomwe makasitomala amayembekezera.

Ngati mukufuna kuthetsa mavuto okhudza kukonza PA/GF komanso mavuto okhudzana ndi kuwala kwa ulusi wagalasi, funsani SILIKE kuti mufufuze za ife.njira zowonjezera za siliconendipo pititsani patsogolo khalidwe la malonda anu ndi kugwira ntchito bwino kwanu.Tel: +86-28-83625089 or via email: amy.wang@silike.cn.