Zomatira za Kusindikiza Ntchito
Kugwira ntchito kwambiri kwa Deepmaterial kwa gawo limodzi ndi zigawo ziwiri zosindikizira zamakampani ndizosavuta kugwiritsa ntchito ndipo zimapezeka kuti zizigwiritsidwa ntchito pazogwiritsa ntchito zosavuta. Amapereka njira zotsika mtengo zamapulogalamu apamwamba kwambiri. Zogulitsa zathu zosindikiza zimakhala ndi epoxies, silicones, polysulfides ndi polyurethanes. Zimagwira 100% ndipo zilibe zosungunulira kapena zosungunulira.
Kodi pali kusiyana kotani pakati pa Adhesives & Sealants?
Zosindikizira ndi ma polima okhala ndi mawonekedwe olimba a maselo omwe salola kulowa. Amakhala ndi ma epoxies owuma mwachangu omwe amapanga kumaliza kosalala. Zomatira ndizovuta kwambiri zomwe zimapangidwira kuti zigwire ndikumangirira pama cell.
Zomatira vs. Sealants
- Zosindikizira zimapangidwa kuti zitseke mipata pakati pa malo ndikuletsa zinthu monga fumbi, madzi, kapena dothi kuti zisalowemo. Zomatira nthawi zambiri zimapangidwa kuti ziphatikizire mbali ziwiri kuti zisalekanitsidwe.
- Zosindikizira zimakhala ndi mphamvu zochepa komanso kutalika / kusinthasintha kwakukulu ndipo sizigwiritsidwa ntchito kugwirizanitsa zipangizo pamodzi pamene zomatira zimatanthawuza kumamatira zinthu ziwiri pamodzi.
- Zosindikizira sizikhala ndi mphamvu zomatira zomwe zimafunikira nthawi yayitali komanso zomatira siziuma bwino zikagwiritsidwa ntchito kunja.
- Zosindikizira zimakhala ndi kusasinthika kofanana ndi phala komwe kumalola kudzaza mipata pakati pa magawo ang'onoang'ono ndipo kumakhala ndi kuchepa pang'ono pambuyo pakugwiritsa ntchito. Zomatira zimakhala zamadzimadzi zomwe zimakhala zolimba zikagwiritsidwa ntchito kenako zimagwiritsidwa ntchito pomanga zinthu pamodzi.
- Zomatira zidzapereka mawonekedwe okhwima komanso okhazikika komanso owoneka mosiyana ndi zosindikizira zomwe zimakhala zocheperako komanso zosinthika kwambiri.
Kusindikiza Moyenera ndi Zomatira
Zisindikizo zimakhala ndi chikoka pakugwira ntchito ndi moyo wautali wa makhazikitsidwe, misonkhano, ndi zigawo zake. Ndipo komabe, chidwi chimaperekedwa kwa iwo pokhapokha akalephera. Ngakhale kuti mphete za O-rings mwina ndizomwe zimagwiritsidwa ntchito kwambiri komanso mitundu ina ya zisindikizo zosasunthika zilipo, ukadaulo womata womatira wokhala ndi ma gaskets amadzimadzi komanso kulumikiza chisindikizo kumatsegula njira zina zosindikizira zodalirika.
Kusindikiza Moyenera ndi Zomatira
Zisindikizo zimakhala ndi chikoka pakugwira ntchito ndi moyo wautali wa makhazikitsidwe, misonkhano, ndi zigawo zake. Ndipo komabe, chidwi chimaperekedwa kwa iwo pokhapokha akalephera. Ngakhale kuti mphete za O-rings mwina ndizomwe zimagwiritsidwa ntchito kwambiri komanso mitundu ina ya zisindikizo zosasunthika zilipo, ukadaulo womata womatira wokhala ndi ma gaskets amadzimadzi komanso kulumikiza chisindikizo kumatsegula njira zina zosindikizira zodalirika.
Popanga mafakitale, mipata yolumikizana pakati pa zigawo nthawi zambiri imafunika kutsekedwa kuti ateteze kulowetsedwa kwa mpweya, fumbi, madzi, ndi mankhwala aukali. Izi ndizofunikira makamaka pazamagetsi, magalimoto, uinjiniya wamakina, ndi engineering process. Zomwe zimagwiritsidwa ntchito ndizosiyanasiyana monga mafakitale omwe amagwiritsidwa ntchito. Zitsanzo zina ndi nyumba zazinthu zamagetsi, maginito, ndipo, ndithudi, machitidwe amadzimadzi.
Pamlingo wakutiwakuti, zigawozi zimatha kusindikizidwa m'njira yomanga popanda chisindikizo china chilichonse. Komabe, ndi kuwonjezeka kwa zofunikira pangakhale kofunikira kugwiritsa ntchito chisindikizo chosiyana. Kutengera ndi kutentha, mankhwala, ndi zofunikira zamakina, zosindikizira zamafakitale nthawi zambiri zimakhala mphira, silicones, thermoplastic elastomers, kapena Teflon.
Nanga bwanji Rubber?
Rubber ndizomwe zimagwiritsidwa ntchito kwambiri pazinthu izi, ndipo kusankha kwa zinthu zopangidwa ndi labala kuli ndi ubwino wake: amasindikiza bwino kwambiri. Kupanikizana komwe kumayikidwa kwa mphira wa nitrile pazikhalidwe za 100 °C/24h ndi 20 - 30%. Kuonjezera apo, mphirazi ndi zokhazikika komanso zolimba, zopangira mankhwala, ndi makina, ndipo zimakhala zotsika mtengo. Komabe, amakhalanso ndi zovuta, makamaka ponena za kuphatikizika kwawo pakupanga.
Ndi geometry yosindikizira yozungulira, zovuta zimakhala zosafunikira ndipo ma O-rings adzakhala njira yothetsera ndalama zambiri. Pankhani ya zingwe zosindikizira kapena matepi osindikiza monga omwe amagwiritsidwa ntchito pomanga nyumba, kupanga bwino kumakhala (kale) kovuta kwambiri. Amafunikanso kulumikiza kwamanja pamalo olumikizirana pomwe malekezero awiriwa amakhudzana, zomwe zikutanthauza kuti njira yowonjezereka komanso yotengera nthawi.
Maonekedwe a mphira ovuta kwambiri amatha kupangidwa ndi kukhomerera kapena vulcanizing. Izi zimalola kuti pakhale njira zosavuta zopangira, koma izi zimangogwira ntchito mokweza kwambiri, chifukwa nkhungu zodula pamawonekedwe aliwonse ziyenera kusungidwa.
Kusindikiza Gap ndi Thermoplastic Elastomers
Zisindikizo zopangidwa ndi thermoplastic elastomers (TPE) zimapereka njira ina. Amagwiritsidwa ntchito mwachindunji ku chigawocho ndi jekeseni akamaumba. Ndiwolimba, osamva ma abrasion, ndipo amatsatira bwino mapulasitiki aukadaulo monga PA, PC, kapena PBT, zomwe zimapangitsa kuti chisindikizo chisatsike. Kutentha kwachipinda, TPE imachita ngati ma elastomer akale, koma gawo la thermoplastic limachepetsa kutentha kwa 80 - 100 ° C, ndikukanikizana kumawonjezeka pa kutentha kwambiri. Kwa TPU yomwe imagwiritsidwa ntchito kwambiri, ma compression amakhala pafupifupi 80% (100 °C/24 h), pamitundu ina ya TPE yomwe ili ndi 50% ndizotheka.
Njira yopangira jakisoni ndiyosavuta kuposa kuyika vulcanizing, komabe sichochepa, makamaka chifukwa chakuwongolera pang'ono kwa ma TPU komanso chifukwa chofunikira chida pa geometry iliyonse. Kuphatikiza apo, makina opangira jekeseni amitundu yambiri amafunikira kuti apewe kuyikanso gawolo mu gawo lowonjezera.
Choyamba Madzi, Kenako Olimba
Ndi madzi gaskets amenewa ndalama ndalama si unachitikira. Mitundu ya gasket iyi ndi yosasunthika, yopangidwa ndi zomatira zowoneka bwino kwambiri zomwe zimaperekedwa molingana ndi kutalika ndi mawonekedwe omwe amafunidwa kenako ndikuchiritsa momwe amagwiritsidwira ntchito. Kusinthasintha kwawo kwakugwiritsa ntchito kumawapangitsa kukhala oyenera ma geometries ovuta, ngakhale amitundu itatu. Ubwino wina wa ma gaskets amadzimadzi poyerekeza ndi ma gaskets olimba ndikuti samangopumira pang'ono pansonga zopanda pake, motero amatsekera bwino malo a wavy ndikuloleza kulolerana kwapamwamba.
Poyerekeza ndi nthawi zina zosindikizira za rabara kapena TPU zovuta, zimatengera masitepe ocheperako, kuchepetsa nthawi yokhazikitsa makina, ndikupanga zokanira zochepa kuposa kudula kufa. Njira zopangira zimatha kukhala zodzipangira zokha, ndi dongosolo limodzi lokha lofunikira popanga zigawo zonse. Zolakwika zomwe zingatheke pakugawira mumikanda yosindikizira zimazindikiridwa ndi fulorosenti kuti muwongolere khalidwe lapamwamba. Popeza sikufunikanso kukhala ndi zisindikizo zambiri zomwe zilipo, ndalama zosungirako sizili nkhani.
Pakadali pano, zopangidwa pa silicone kapena polyurethane base zakhala zikugwiritsidwa ntchito ngati gaskets zamadzimadzi. Komabe, machitidwe a zigawo ziwirizi amachiritsa pang'onopang'ono ndipo motero ndi oyenerera zigawo zazikulu kapena zochepa. Pankhani yamagulu akuluakulu, njira yosavuta komanso yosinthika yotheka ndi ma gaskets amadzimadzi nthawi zambiri samatha kubweza kuwonongeka kwa liwiro poyerekeza ndi mphira kapena zisindikizo za TPU.
Komabe, kwa nthawi yayitali, ma acrylates amtundu umodzi wopepuka akhala pamsika, akuwonetsa mphamvu zawo makamaka mndandanda waukulu. Kuwala kwamphamvu kwa UV kumatsimikizira kuti zomatirazo zimafika ku mphamvu yake yomaliza mkati mwa masekondi pang'ono, motero zimalola nthawi zazifupi zozungulira ndikuwongolera mwachindunji zigawozo, zomwe ndizofunikira kwambiri kuti zitheke kupanga voliyumu yayikulu.
Mawonekedwe abwino obwezeretsa mawonekedwe azinthuzo amatsimikizira kusindikiza kodalirika pambuyo polumikizana: kupsinjika kwapansi mpaka 10% (85 °C, 24 h) kumawalola kuti abwezeretse mawonekedwe awo akale pomwe palibenso kukakamiza. Mabaibulo ambiri owuma pamwamba amalola kuti disassembly mobwerezabwereza. Kuphatikiza apo, ma gaskets opangidwa ndi acrylate-in-place amakwaniritsa zofunikira za IP67, chifukwa cha zomwe amaletsa madzi. Ndi PWIS- komanso zopanda zosungunulira, zomwe zimakhala ndi kutentha kuchokera pa -40 mpaka 120 °C.
Kusindikiza ndi Kumangirira mu One Go
Kumangirira chisindikizo ndi njira yabwino ngati chisindikizo chikuyenera kukhala chosatha. Apanso, ndizotheka kupanga mawonekedwe aliwonse ndikugwiritsa ntchito fluorescence pakuwongolera khalidwe lapakati. Ubwino wowonjezera ndi kufalitsa mphamvu - zomatira sizimangosindikiza zigawo koma zimalumikizana nazo kosatha. Izi zikutanthawuza kuchepa kwa malo. Zopangira zitsulo sizikufunikanso, kulola kuti mukhale ndi nyumba zing'onozing'ono, kusinthana pang'ono kwa misonkhano, ndi masitepe ochepa opangira.
Pazogwiritsidwa ntchito kwambiri, ma acrylates ochiritsa kuwala ndi epoxy resins ndi oyenera makamaka, malingana ndi zofunikira za kutentha ndi mankhwala. Ngakhale ma epoxy resins amakhala okhazikika pang'ono kutentha, ma acrylates amapereka kusinthasintha kwakukulu komanso kuchiritsa mwachangu. Kuphatikiza apo, matembenuzidwe ochiritsa pawiri alipo kwa mabanja onse ogulitsa. Kuchiritsa mu uvuni kapena kukhudzana ndi chinyezi cha mpweya, zomatira izi zimatsimikizira kulumikizana kwathunthu ngakhale m'malo amithunzi.
Kutsiliza
Zisindikizo si mphete za mphira chabe. Mofanana ndi zinthu zilizonse, kusiyanasiyana kwakula kwambiri. Ukadaulo wa Bonding wokhala ndi ma gaskets ochiritsa opepuka komanso njira zomangira zosindikizira zimapatsa ogwiritsa ntchito njira zatsopano kuti akonzere mapangidwe awo ndikukwaniritsa njira zonse zopangira zoyenera komanso zosinthika.
Bokosi lachidziwitso: Compression Set
Kupindika kosatha ndikofunikira pazisindikizo, popeza chisindikizo cha flange chimakanikizidwa ku makulidwe ena ake ndipo chimapangitsa kuti pakhale mphamvu pazigawo za flange. Kupanikizika kumeneku kumachepa pakapita nthawi chifukwa cha kusintha kwa zinthu zosindikizira. Kumapindika kwamphamvu, kumapangitsanso mphamvu yokakamiza ndipo motero kusindikiza kumachepa.
Katunduyu nthawi zambiri amawonetsedwa ngati compression set. Kuti mudziwe kupsinjika komwe kumayikidwa molingana ndi DIN ISO 815 kapena ASTM D 395, cylindrical specimen imapanikizidwa mpaka 25 % (mtengo wanthawi zonse) ndikusungidwa kwakanthawi pa kutentha komwe mwapatsidwa. Miyezo yodziwika bwino ndi maola 24 pa 100 °C kapena 85 °C. Nthawi zambiri pakatha mphindi 30 mutatha kupanikizika, makulidwewo amayezedwanso kutentha kwa chipinda, ndikuzindikira kusinthika kosatha. Kutsikitsitsa kocheperako, m'pamenenso zinthuzo zidayambanso makulidwe ake oyamba. Kuphatikizika kwa 100% kungatanthauze kuti chithunzicho sichikuwonetsa kuchira konse.
Zosindikizira za Deepmaterial's Polyurethane Sealants zimapereka chomangira champhamvu, chosinthika komanso chokhazikika cha elastomeric chomwe chimasindikiza motsutsana ndi zinthu. Amachita bwino pazovuta zamafakitale, mayendedwe ndi ntchito zomanga ndipo amatha kupakidwa utoto pakhungu. Zosindikizira izi zimapezeka muzovuta zosiyanasiyana, nthawi zotseguka ndi mitundu kuti zikwaniritse zosowa zanu.
