Kodi Nomex ndi chiyani? Ulusi wa Aramid Wosapsa ndi Moto
Ozimitsa moto ndi oyendetsa magalimoto a mpikisano amalumbira kuti ndi zoona, oyenda mumlengalenga ndi asilikali amadalira zimenezo—kodi chinsinsi cha nsalu ya Nomex n’chiyani? Kodi ndi yolukidwa ndi mamba a chinjoka, kapena ndi yabwino kwambiri kusewera ndi moto? Tiyeni tipeze sayansi yomwe ili kumbuyo kwa nyenyezi yotsutsa moto iyi!
▶ Chiyambi Choyambira cha Nsalu ya Nomex
Nsalu ya Nomex
Nomex Fabric ndi ulusi wa aramid wolimba kwambiri womwe umapangidwa ndi DuPont (tsopano Chemours) ku United States.
Imakhala yolimba kwambiri pa kutentha, yoteteza moto, komanso yolimba pa mankhwala—yoyatsa moto m'malo moyaka ikayaka—ndipo imatha kupirira kutentha mpaka 370°C pamene imakhala yopepuka komanso yopumira.
Nomex Fabric imagwiritsidwa ntchito kwambiri mu zovala zozimitsa moto, zida zankhondo, zovala zodzitetezera zamafakitale, ndi zovala zothamangira, zomwe zimapeza mbiri yake ngati muyezo wabwino kwambiri pachitetezo chifukwa cha magwiridwe ake odalirika opulumutsa miyoyo m'malo ovuta kwambiri.
▶ Kusanthula Katundu wa Zinthu za Nsalu ya Nomex
Katundu Wotsutsa Kutentha
• Imaonetsa kuchedwa kwa moto mwachibadwa kudzera mu njira yopangira carbonization pa 400°C+
• LOI (Limiting Oxygen Index) yoposa 28%, kusonyeza makhalidwe odzizimitsira okha
• Kuchepa kwa kutentha <1% pa 190°C mutatha kukhudzidwa ndi kutentha kwa mphindi 30
Magwiridwe antchito a makina
• Mphamvu yokoka: 4.9-5.3 g/denier
• Kutalikirana nthawi yopuma: 22-32%
• Imasunga mphamvu 80% pakatha maola 500 pa 200°C.
Kukhazikika kwa Mankhwala
• Yosagonjetsedwa ndi zinthu zambiri zachilengedwe (benzene, acetone)
• pH yokhazikika: 3-11
• Kukana kwa hydrolysis kuposa ma aramid ena
Makhalidwe Olimba
• Kukana kuwonongeka kwa UV: <5% kutayika kwa mphamvu pambuyo pa maola 1000
• Kukana kwa kukwiya kofanana ndi nayiloni ya mafakitale
• Imapirira kusamba kwa mafakitale kopitilira 100 popanda kuwonongeka kwa magwiridwe antchito
▶ Kugwiritsa Ntchito Nsalu ya Nomex
Kuzimitsa Moto ndi Kuyankha Mwadzidzidzi
Zida zozimitsira moto zomwe zili mkati mwake(zotchinga chinyezi ndi zotchingira kutentha)
Zovala zoyandikira za ozimitsa moto opulumutsa ndege(imapirira kutentha kwa 1000°C+ kwa kanthawi kochepa)
Zovala zozimitsa moto zaku Wildlandndi mpweya wabwino kwambiri
Asilikali ndi Chitetezo
Zovala za ndege zoyendetsa ndege(kuphatikiza muyezo wa CWU-27/P wa US Navy)
Mayunifolomu a ogwira ntchito m'thankindi chitetezo cha moto wa flash
CBRNZovala zodzitetezera (za mankhwala, za chilengedwe, za radiology, za nyukiliya)
Chitetezo cha Mafakitale
Chitetezo cha arc flash chamagetsi(Kutsatira malamulo a NFPA 70E)
Zophimba za ogwira ntchito za petrochemical(mitundu yotsutsana ndi malo okhazikika ikupezeka)
Zovala zoteteza kuwotchererandi kukana kufalikira kwa madzi
Chitetezo cha Mayendedwe
Zovala za mpikisano wa F1/NASCAR(Muyezo wa FIA 8856-2000)
Mayunifolomu a ogwira ntchito m'ndege(kukumana ndi FAR 25.853)
Zipangizo zamkati mwa sitima yothamanga kwambiri(zigawo zoletsa moto)
Ntchito Zapadera
Magolovesi apamwamba a uvuni wa kukhitchini(kalasi yamalonda)
Zipangizo zosefera mafakitale(kusefa mpweya wotentha)
Nsalu yonyamula matanga yogwira ntchito bwino kwambiriza mabwato othamanga
▶ Kuyerekeza ndi Ulusi Wina
| Katundu | Nomex® | Kevlar® | PBI® | Thonje la FR | Galasi la Fiberglass |
|---|---|---|---|---|---|
| Kukana kwa Moto | Cholengedwa (LOI 28-30) | Zabwino | Zabwino kwambiri | Kuchiritsidwa | Chosayaka moto |
| Kutentha Kwambiri | 370°C mosalekeza | Malire a 427°C | 500°C+ | 200°C | 1000°C+ |
| Mphamvu | 5.3 g/wokana | 22 g/wokana | - | 1.5 g/wokana | - |
| Chitonthozo | Zabwino Kwambiri (MVTR 2000+) | Wocheperako | Wosauka | Zabwino | Wosauka |
| Mankhwala Oletsa Kutupa. | Zabwino kwambiri | Zabwino | Zabwino kwambiri | Wosauka | Zabwino |
▶ Makina Opangira Laser Oyenera Nomex
•Mphamvu ya Laser:100W/150W/300W
•Malo Ogwirira Ntchito:1600mm*1000mm
•Mphamvu ya Laser:150W/300W/500W
•Malo Ogwirira Ntchito:1600mm*3000mm
Timapanga Mayankho a Laser Opangidwa Mwamakonda Kuti Tipange
Zofunikira Zanu = Mafotokozedwe Athu
▶ Masitepe Odulira Nsalu ya Nomex ya Laser
Gawo Loyamba
Khazikitsa
Gwiritsani ntchito chodulira cha CO₂ laser
Nsalu yolimba bwino pa bedi lodulira
Gawo Lachiwiri
Kudula
Yambani ndi makonda oyenera a mphamvu/liwiro
Sinthani kutengera makulidwe a zinthu
Gwiritsani ntchito thandizo la mpweya kuti muchepetse kuyaka
Gawo Lachitatu
Malizitsani
Yang'anani m'mbali kuti muwone ngati pali mabala oyera
Chotsani ulusi uliwonse wotayirira
Vedio yofanana:
Chitsogozo cha Mphamvu Yabwino Kwambiri ya Laser Yodulira Nsalu
Mu kanemayu, titha kuwona kuti nsalu zosiyanasiyana zodulira laser zimafuna mphamvu zosiyanasiyana zodulira laser ndipo tikuphunzira momwe mungasankhire mphamvu ya laser pazinthu zanu kuti mupeze mabala oyera ndikupewa zizindikiro zopsereza.
Mphepete mwa zolakwika 0: palibenso kusokonekera kwa ulusi ndi m'mbali zosasunthika, mapangidwe ovuta amatha kupangidwa ndi kudina kamodzi. Kuchita bwino kawiri: mwachangu nthawi 10 kuposa ntchito yamanja, chida chabwino kwambiri chopangira zinthu zambiri.
Kodi Mungadulire Bwanji Nsalu Zogwiritsa Ntchito Sublimation? Chodulira Kamera cha Laser cha Zovala Zamasewera
Yapangidwira kudula nsalu zosindikizidwa, zovala zamasewera, yunifolomu, majezi, mbendera zophimba maso, ndi nsalu zina zomangidwa pansi pa nthaka.
Nsalu izi monga polyester, spandex, lycra, ndi nayiloni, zimabwera ndi ntchito yapamwamba kwambiri yopangira sublimation, koma zimakhala zogwirizana kwambiri ndi laser-cutting.
Dziwani Zambiri Zokhudza Zodulira ndi Zosankha za Laser
▶ Mafunso Ofunsidwa Kawirikawiri pa Nomex Fabric
Nsalu ya Nomex ndimeta-aramidulusi wopangidwa ndiDuPont(tsopano ndi Chemours). Yapangidwa kuchokera kupoly-meta-phenylene isophthalamide, mtundu wa polima wosatentha komanso wosayaka moto.
Ayi,NomexndiKevlarsizili zofanana, ngakhale zonse ziliulusi wa aramidyopangidwa ndi DuPont ndipo imagawana zinthu zina zofanana.
Inde,Nomex ndi yosagwira kutentha kwambiri, zomwe zimapangitsa kuti ikhale chisankho chabwino kwambiri pakugwiritsa ntchito komwe chitetezo ku kutentha kwambiri ndi malawi ndizofunikira kwambiri.
Nomex imagwiritsidwa ntchito kwambiri chifukwa cha zinthu zake zopindulitsa.kukana kutentha kwambiri, chitetezo cha moto, komanso kulimbapamene ikupitirira kukhala yopepuka komanso yomasuka.
1. Kukana Moto ndi Kutentha Kosayerekezeka
Sizimasungunuka, kudontha madzi, kapena kuyatsamosavuta—m'malo mwake, izocarbonizesikakumana ndi malawi, imapanga chotchinga choteteza.
Imapirira kutentha mpaka370°C (700°F), zomwe zimapangitsa kuti ikhale yabwino kwambiri pamalo omwe moto umakonda.
2. Kudzizimitsa Kokha & Kukwaniritsa Miyezo Yachitetezo
Zimagwirizana ndiNFPA 1971(zida zozimitsira moto),EN ISO 11612(chitetezo cha kutentha kwa mafakitale), ndiKUTHAMANGA 25.853(kuyaka kwa ndege).
Amagwiritsidwa ntchito m'mapulogalamu omwemoto woyaka, ma arc amagetsi, kapena ma splashes achitsulo chosungunukandi zoopsa.
3. Yopepuka komanso yabwino povala nthawi yayitali
Mosiyana ndi asbestos yolimba kapena fiberglass, Nomex ndiwopumira komanso wosinthasintha, kulola kuyenda m'malo ogwirira ntchito zoopsa kwambiri.
Kawirikawiri zimasakanizidwa ndiKevlarkuti muwonjezere mphamvu kapenazomaliza zosapanga bangakuti zigwire ntchito moyenera.
4. Kulimba ndi Kukana Mankhwala
Imayimirira motsutsana ndimafuta, zosungunulira, ndi mankhwala a mafakitalebwino kuposa nsalu zambiri.
Amakanakupukuta ndi kutsuka mobwerezabwerezapopanda kutaya zinthu zoteteza.
