Filayen injiniyoyi na musamman suna nufin robobin injiniya tare da cikakkun kaddarorin da zafin sabis na dogon lokaci sama da 150 ℃. Gabaɗaya duka babban juriya na zafin jiki, juriya na radiation, juriya na hydrolysis, juriya na yanayi, juriya na lalata, haɓakar harshen wuta na halitta, ƙarancin faɗaɗawar thermal, juriya ga gajiya da sauran fa'idodi. Akwai nau'ikan robobi na injiniya na musamman, gami da polyliquid crystal polymer (LCP), polyether ether ketone (PEEK), polyimide (PI), phenyl sulfide (PPS), polysulfone (PSF), polyaromatic ester (PAR), fluoropolymers (PTFE), PVDF, PCTFE, PFA), da dai sauransu.
Daga mahangar tarihi da halin da ake ciki yanzu, kasashen Turai da Amurka daga zuwan polyimide a cikin shekarun 1960 da zuwan polyether ether ketone a farkon shekarun 1980, har ya zuwa yanzu sun samar da nau'ikan masana'antu na musamman na injiniyoyi na injiniya fiye da 10. Robobin injiniya na musamman na kasar Sin ya fara ne a tsakiya da karshen shekarun 1990. A halin yanzu, masana'antu suna cikin matakin farko na ci gaba, amma saurin ci gaba yana da sauri. Ana ɗaukar robobin injiniya na musamman na gama gari a matsayin misalai.
Liquid crystal polymer (LCP) wani nau'i ne na kayan polyester mai ƙanshi mai ɗauke da adadi mai yawa na tsarin zobe na benzene mai ƙarfi akan babban sarkar, wanda zai canza zuwa nau'in crystal na ruwa ƙarƙashin wani yanayin dumama, kuma yana da kyawawan kaddarorin. A halin yanzu, ƙarfin duniya na ruwa crystal polymer yana da kusan tan 80,000 / shekara, kuma Amurka da Japan suna lissafin kusan 80% na jimlar ƙarfin duniya. Masana'antar LCP ta kasar Sin ta fara a makare, tare da karfin samar da jimillar ton 20,000 a kowace shekara. Babban masana'antun sun hada da Shenzhen Water New Materials, Zhuhai Vantone, Shanghai Puliter, Ningbo Jujia, Jiangmen Dezotye, da dai sauransu Ana sa ran cewa yawan amfani da LCP zai kula da wani girma kudi na fiye da 6% da kuma wuce 40,000 ton a 2025, kore. ta hanyar bukatar kayan lantarki da na lantarki da sassan motoci.
Polyether ether ketone (PEEK) shine Semi-crystalline, kayan kamshi na polymer na thermoplastic. A halin yanzu, akwai nau'ikan ketones na polyether ether guda uku a kasuwa: guduro mai tsabta, gyararren fiber gilashi, gyare-gyaren fiber carbon. A halin yanzu, Wiggs shine mafi girma a duniya mai samar da ketone polyether, tare da ikon samar da kusan tan 7000 / shekara, yana lissafin kusan 60% na jimlar ƙarfin duniya. Haɓaka fasaha na POLYEther ether ketone a kasar Sin ya fara ne a makare, kuma ƙarfin aikin ya fi mayar da hankali ne a cikin Zhongyan, Zhejiang Pengfu Long da Jida Te Plastics, wanda ya kai kashi 80 cikin 100 na yawan ƙarfin da ake samarwa a kasar Sin. Ana sa ran nan da shekaru biyar masu zuwa, bukatun PEEK a kasar Sin za ta ci gaba da samun bunkasuwa da kashi 15% ~ 20%, kuma za ta kai ton 3000 a shekarar 2025.
Polyimide (PI) wani fili ne na heterocyclic polymer mai kamshi wanda ya ƙunshi zoben imide a cikin babban sarkar. Kashi 70 cikin 100 na abin da PI ke samarwa a duniya yana cikin Amurka, Japan, Koriya ta Kudu da sauran ƙasashe. PI fim kuma an san shi da "fim ɗin zinare" don kyakkyawan aikinsa. A halin yanzu, akwai masana'antun fina-finai na polyimide kusan 70 a kasar Sin, wadanda ke da karfin iya yin kusan ton 100. Ana amfani da su ne a kasuwa maras tsada, yayin da bincike mai zaman kansa da matakin haɓaka samfuran manyan kayayyaki ba su da yawa, kuma galibi ana shigo da su daga waje.
PPS yana ɗaya daga cikin mafi mahimmanci kuma na kowa nau'in resin polyaryl sulfide. PPS yana da kyakkyawan aiki na thermal, aikin lantarki, juriya na sinadarai, juriya na radiation, hana wuta da sauran kaddarorin. PPS robobi ne na injiniya na musamman na thermoplastic tare da kyakkyawan aiki mai mahimmanci da babban aiki mai tsada. Ana yawan amfani da PPS azaman kayan aikin polymer. Ana amfani da shi sosai a cikin motoci, lantarki da lantarki, sinadarai, injina, sararin samaniya, masana'antar nukiliya, masana'antar abinci da magunguna da sauran fannoni.
Daga filin aikace-aikacen, robobi na injiniya na musamman ban da aikace-aikacen a cikin lantarki, motoci, sararin samaniya, kayan aiki daidai, da sauran wuraren gargajiya, tare da sadarwar 5 g, sababbin motocin makamashi, babban mai haɗawa, masu amfani da lantarki, semiconductor, kiwon lafiya, makamashi. da sauran masana'antu, tare da saurin haɓaka aikace-aikacen robobi na injiniya na musamman kuma yana haɓaka, adadin da nau'in aikace-aikacen yana ƙaruwa.
Daga gyare-gyare na tsakiyar rafi da sarrafawa, robobi na injiniya na musamman sau da yawa suna buƙatar canza su ta hanyar ƙarfin gilashi / carbon fiber ƙarfafa, ƙarfafawa, cika ma'adinai, antistatic, lubrication, rini, juriya, haɗawa gami, da sauransu, don ƙara haɓaka ƙimar aikace-aikacen su. . Hanyoyin sarrafa shi da bayan bayanan sun haɗa da gyare-gyaren haɗuwa, gyaran allura, fim din extrusion, composite impregnation, bayanin martaba, aikin injiniya, wanda zai yi amfani da nau'o'in additives, kayan aiki, da dai sauransu.
Lokacin aikawa: 27-05-22