Nkhani

Mau Oyamba: Zovuta Zosalekeza za PA/GF Materials

Glass fiber reinforced polyamides (PA/GF) ndi mwala wapangodya pakupanga kwamakono chifukwa cha mphamvu zawo zamakina, kukana kutentha, komanso kukhazikika kwake. Kuchokera pazigawo zamagalimoto ndi zamagetsi ogula kupita kuzinthu zakuthambo ndi makina akumafakitale, zida za PA/GF zimagwiritsidwa ntchito kwambiri pamapulogalamu apamwamba omwe amafunikira kulimba, kulondola, komanso kudalirika.

Ngakhale zili ndi zabwino izi, zida za PA/GF zimakhala ndi zovuta zomwe zimatha kusokoneza magwiridwe antchito, mtundu wazinthu, komanso kugwiritsa ntchito komaliza. Zowawa zodziwika bwino zimaphatikizapo zida zankhondo, kusungunuka kosasunthika kosasunthika, kuvala zida, komanso kuwonekera kwa ulusi wamagalasi (zingwe zoyandama). Nkhanizi zimawonjezera mitengo yandalama, kukweza ndalama zopangira, ndipo zimafunanso zina pambuyo pokonza—zovuta zomwe nthawi zambiri zimakhudza R&D, kupanga, ndi magulu ogula zinthu mofanana.

Kumvetsetsa ndi kuthana ndi zovutazi ndikofunikira kwa opanga omwe akufuna kukulitsa kuthekera kwa zida za PA/GF kwinaku akusunga magwiridwe antchito ndikukwaniritsa miyezo yokhazikika.

Pain Point 1: Kukonza Kovuta komanso Kovuta Kuwongolera

Warpage ndi Deformation

Zipangizo za PA/GF zimakhala ndi anisotropic kwambiri chifukwa cha mawonekedwe a ulusi wagalasi. Panthawi yozizirira, kuchepa kosagwirizana nthawi zambiri kumayambitsa kuphulika muzinthu zazikulu kapena zovuta kwambiri. Izi zimasokoneza kulondola kwa mawonekedwe, zimachulukitsa zinyalala ndi kukonzanso, ndipo zimawononga nthawi ndi chuma. Kwa mafakitale monga magalimoto ndi ndege, komwe kulolerana kolimba ndikofunikira, ngakhale tsamba laling'ono lankhondo limatha kupangitsa kukanidwa kwazinthu.

Kusayenda bwino kwa Melt

Kuphatikizika kwa ulusi wagalasi kumawonjezera kusungunuka kwa viscosity, kumapangitsa kuti pakhale zovuta zakuyenda pakapangidwe ka jekeseni. Kukhuthala kwakukulu kungayambitse:

• Zithunzi zazifupi

• Weld mizere

• Zowonongeka zapamtunda

Nkhanizi zimakhala zovuta kwambiri pazigawo zopyapyala za khoma kapena magawo okhala ndi nkhungu zovuta. Kukhuthala kwakukulu kumafunanso kupanikizika kwakukulu kwa jakisoni, kuchulukitsa mphamvu zamagetsi komanso kupsinjika pazida zomangira.

Kuthamanga kwa Zida Zovala

Ulusi wagalasi ndi wonyezimira komanso wolimba, womwe umapangitsa kuti pakhale ma mold, othamanga, ndi ma nozzles. Popanga jakisoni ndi kusindikiza kwa 3D, izi zimafupikitsa moyo wa zida, zimakweza mtengo wokonza, ndipo zimatha kuchepetsa nthawi yopanga. Pakusindikiza kwa 3D, ma filaments okhala ndi PA/GF amatha kuwononga ma nozzles, kusokoneza mbali zonse ziwiri za mtundu ndi kutulutsa.

Kumangirira kosakwanira kwa Interlayer (kwa Kusindikiza kwa 3D):

Pankhani yopanga zowonjezera, ma filaments a PA/GF amatha kukhala ndi kulumikizana kofooka pakati pa zigawo panthawi yosindikiza. Izi zimabweretsa kuchepetsedwa kwamakina a magawo osindikizidwa, kuwapangitsa kuti asakwanitse kukwaniritsa zofunikira zoyembekezeka komanso zolimba.

Pain Point 2: Kuwonekera kwa Ulusi wa Galasi ndi Zotsatira Zake

Kuwonekera kwa ulusi wagalasi, womwe umadziwikanso kuti "zingwe zoyandama," zimachitika ulusi ukatuluka pamwamba pa polima. Izi zitha kusokoneza kukongola ndi magwiridwe antchito:

Mawonekedwe Osokoneza:Masamba amawoneka obiriwira, obiriwira komanso obiriwira. Izi ndizosavomerezeka pamapulogalamu omwe amafunikira mawonekedwe apamwamba, monga zamkati zamagalimoto, nyumba zamagetsi, ndi zida za ogula.

Kusamva bwino kwa Tactile:Zowoneka moyipa, zokanda zimachepetsa luso la ogwiritsa ntchito komanso momwe amaziwonera kuti ali ndi khalidwe labwino.

Kuchepetsa Kukhalitsa:Ulusi wowonekera umakhala ngati zolimbikitsira kupsinjika, kutsitsa mphamvu yapamtunda ndi kukana abrasion. M'malo ovuta (monga chinyezi kapena kukhudzana ndi mankhwala), mawonekedwe a ulusi amathandizira kukalamba komanso kuwonongeka kwa magwiridwe antchito.

Nkhanizi zimalepheretsa zipangizo za PA/GF kuti zifike pa mphamvu zake zonse, zomwe zimakakamiza opanga kuti agwirizane pakati pa khalidwe, kukongola, ndi kupanga bwino.

Njira Zatsopano Zothetsera Mavuto a PA/GF

Kupita patsogolo kwaposachedwa mu sayansi yakuthupi, ukadaulo wowonjezera, ndi uinjiniya wamawonekedwe amapereka mayankho othandiza pazovuta zomwe zakhalapo kwanthawi yayitali. Mwa kuphatikiza mankhwala osinthidwa a PA/GF, zowonjezera zowonjezera za silicone, ndi zowonjezera zowonjezera za fiber-matrix, opanga amatha kuchepetsa maulendo a nkhondo, kupititsa patsogolo kusungunuka kwa madzi, ndi kuchepetsa kwambiri mawonekedwe a galasi fiber.

1. Low-Warp PA/GF Zida

Zida zotsika kwambiri za PA/GF zidapangidwa makamaka kuti zithetsere ma warpage ndi mapindidwe. Pokulitsa:

• Ulusi wagalasi (zaufupi, zazitali, kapena zosalekeza)

• Kugawa kwautali wa fiber

• Njira zamakono zochizira pamwamba

• Mapangidwe a maselo a resin

ma formulations awa amachepetsa kuchepa kwa anisotropic ndi kupsinjika kwamkati, kuonetsetsa kukhazikika kwa magawo opangidwa ndi jekeseni ovuta. Makalasi opangidwa mwapadera a PA6 ndi PA66 amawonetsa kuwongolera kosinthika pakuzizira, kusungitsa kulolerana kolimba komanso mawonekedwe osasinthika. 

2. Zida Zapamwamba za PA / GF

Zipangizo za PA/GF zothamanga kwambiri zimalimbana ndi kusayenda bwino kosungunuka mwa kuphatikiza:

• Mafuta apadera

• Zopangira pulasitiki

• Ma polima okhala ndi kugawa kocheperako kwa maselo

Zosinthazi zimachepetsa kusungunuka kwa viscosity, zomwe zimapangitsa kuti nkhungu zovuta zizidzaza bwino pazovuta zochepa za jakisoni. Ubwino ndi monga: ikupititsa patsogolo kupanga bwino, rmaphunziro apamwamba, lmtengo wa zida zogulira ndi kukonza.

Zothandizira Zopangira Silicone

SILIKE zowonjezera za silikoni zimagwira ntchito ngati zofukiza zogwira ntchito kwambiri komanso zothandizira kukonza.

Zigawo zawo zogwira ntchito za silicone zimathandizira kugawa zodzaza ndi kusungunula, ndikuwonjezera kutulutsa kwa extruder ndikuchepetsa kugwiritsa ntchito mphamvu. Mlingo wofananira: 1-2%, wogwirizana ndi mapasa-screw extrusion.

Ubwino wa SILIKEZothandizira Zopangira Siliconemu PA6 ndi 30%/40% galasi CHIKWANGWANI (PA6 GF30 /GF40):

• Malo osalala okhala ndi ulusi wowonekera wocheperako

• Kudzaza kwa nkhungu ndi kuyenda bwino

• Kuchepetsa kukomoka ndi kuchepa

Ndi zowonjezera ziti za silikoni zomwe zimalimbikitsidwa kuti zichepetse kuwonekera kwa ulusi wamagalasi ndikuwongolera kusungunuka mu PA/GF ndi ma pulasitiki ena aumisiri?

SILIKE Silicone Powder LYSI-100A ndiwothandiza kwambiri pokonza

Chowonjezera ichi cha silikoni chogwiritsa ntchito mitundu yosiyanasiyana ya thermoplastic, kuphatikiza mawaya opanda halogen osagwiritsa ntchito malawi & chingwe, PVC, mapulasitiki auinjiniya, mapaipi, ndi ma pulasitiki/filler masterbatches. M'makina ogwirizana ndi utomoni wa PA6, chowonjezera cha pulasitiki chopangidwa ndi silikoni chimachepetsa kutulutsa kwa torque ndi magalasi, kumathandizira kutuluka kwa utomoni ndi kumasulidwa kwa nkhungu, ndikuwonjezera kukana kwa abrasion - kumapereka magwiridwe antchito komanso magwiridwe antchito apamwamba.

SILIKE SILIMER 5140: Polyester-modified copolysiloxane-based lubricant additive ndi kukhazikika kwabwino kwa kutentha

Amagwiritsidwa ntchito pazinthu za thermoplastic monga PE, PP, PVC, PMMA, PC, PBT, PA, PC/ABS, ndi zina zotero, popititsa patsogolo kukonza ndi kukonza pamwamba.

Kuwonjezera SILIKE Silicone Powder LYSI-100A kapena Copolysiloxane Additives and Modifiers SILIMER 5140 to PA6 GF40 formulations zitha kuchepetsa kwambiri kuwonekera kwa fiber, kukulitsa kudzaza kwa nkhungu, ndikupereka kuwongolera kotsimikizirika kwapamwamba, kukonza mafuta, komanso kukhazikika kwazinthu zonse.

4. Interface-Compatibility Kuwonjezera

Kusamamatira koyipa pakati pa ulusi wagalasi ndi polyamide matrix ndiye chifukwa chachikulu chowonetsetsa ulusi. Kugwiritsa ntchito zida zapamwamba zolumikizirana (mwachitsanzo, ma silane) kapena zofananira (ma polima amtundu wa anhydride-grafted) kumalimbitsa kulumikizana kwa fiber-matrix, kuwonetsetsa kuti ulusi umakhalabe wotsekedwa panthawi yokonza. Izi sizimangowonjezera kukongola kwapamwamba komanso kumapangitsa kuti makina azigwira ntchito komanso kukhazikika.

5. Long Fiber Thermoplastics (LFT)

Long fiber thermoplastics (LFT) imapereka maukonde athunthu kuposa ulusi wamfupi, wopereka:

• Mphamvu zapamwamba ndi kuuma

• Kuchepetsa tsamba lankhondo

• Kukana kwamphamvu kwamphamvu

Ukadaulo wamakono wopanga, kuphatikiza pultrusion ndi kuwongolera mwachindunji kwa LFT jakisoni, akhathamiritsa LFT processability, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito kwambiri komanso kapangidwe kake.

Chifukwa Chiyani Opanga Ayenera Kuganizira Mayankho Awa?

Potengera zida zopangira ma silicone ndi zida zapamwamba za PA/GF, opanga atha:

Perekani zinthu zapamwamba, zosasinthasintha

Chepetsani kukonza zida ndi nthawi yopumira

Limbikitsani kagwiritsidwe ntchito kazinthu komanso kupanga bwino

Gwirizanani ndi machitidwe onse komanso zokongoletsa

Mapeto

Zipangizo za PA/GF zimapereka mwayi wapadera, koma tsamba lankhondo, kusayenda bwino, kuvala kwa zida, komanso kuwonekera kwa fiber zakhala zimachepetsa kugwiritsa ntchito kwawo.

kuchita bwino kwambirizothetsera - mongaSILIKE silicone zowonjezera (LYSI-100A, SILIMER 5140),mankhwala otsika a PA/GF, ndi matekinoloje opititsa patsogolo mawonekedwe-amapereka njira zothandiza zothetsera mavutowa.

Mwa kuphatikiza mayankho awa, opanga amatha kuwongolera mawonekedwe apamwamba, kukhalabe okhazikika, kuchepetsa zinyalala, ndi kukhathamiritsa kupanga bwino-kutumiza zinthu zomwe zimakwaniritsa miyezo ya mafakitale komanso ziyembekezo za makasitomala.

Ngati mukuyang'ana kuthana ndi zovuta za PA/GF pokonza magalasi komanso zovuta zamagalasi, lemberani SILIKE kuti mufufuze zathusilicone zowonjezera zowonjezerandipo tengerani khalidwe lanu labwino ndi luso lanu kupita kumalo ena.Tel: +86-28-83625089 or via email: amy.wang@silike.cn.