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Zisindikizo za Mphira za Makina ndi Zipangizo Zomangira

Zisindikizo za mphira za makina omangira ndi zida zomangira, mawonekedwe a chilengedwe ndi mfundo zaukadaulo
Choyamba, ntchito yaikulu ndi gulu la zisindikizo za rabara za makina ndi zida zaukadaulo
Zisindikizo za rabara ndi zinthu zofunika kwambiri pamakina ndi zida zomangira, ndipo ntchito yawo yaikulu ndikudzaza mpata pakati pa malo olumikizirana kudzera mu kusintha kwa elastic kuti madzi (madzimadzi kapena mpweya) asatuluke komanso kulowerera kwa zinyalala zakunja, komanso nthawi yomweyo zimateteza kugwedezeka ndi kugwedezeka kwa makina.
Tadzipereka kupereka zida za rabara zoyera 100% ndi zomatira za nsalu ya rabara, zomwe zimakwaniritsa zosowa za makina omanga, kudzera mu satifiketi iwiri ya IS 9001:2015 ndi IATF 16949, popereka chithandizo kwa opanga zida m'maiko opitilira 50 padziko lonse lapansi.

    Mawonekedwe

    Malinga ndi kapangidwe kake, zisindikizo zaukadaulo zimagawidwa m'magulu otsatirawa:

    • Zisindikizo za Rabara (1)
      01
      1. Zisindikizo zamtundu: zisindikizo zozungulira / zobwerezabwereza zomwe zimagwiritsidwa ntchito kwambiri pa masilinda a hydraulic, ma gearbox ndi zochitika zina.
      2. Zisindikizo zamafuta (zotsekereza za milomo ya shaft yozungulira): zimagwiritsidwa ntchito potseka pakati pa zisindikizo zozungulira ndi zophimba, mwachitsanzo ma crankshaft a injini, ma gearbox input shafts.
    • Zisindikizo za Rabara (2)
      02
      3. Zisindikizo zophatikizana: zopangidwa ndi rabara ndi chitsulo/pulasitiki, monga Stepseal, Glacier Gasket, zoyenera kugwiritsidwa ntchito pamavuto amphamvu komanso mwachangu. Kapangidwe ka Chisindikizo cha Nsalu ya Rabara: Rabara ya Nitrile ndi nsalu ya ulusi wamphamvu kwambiri, mphamvu yokakamiza imawonjezeka ndi 40% (mpaka 35MPa), coefficient of friction imachepetsedwa kufika pa 0.12 (reciprocating motion) yomwe imagwiritsidwa ntchito mu hydraulic cylinder piston rod sealing, rotary joint liner.
    • Zisindikizo za Rabara (3)
      03
      4. Ma gasket ndi ma gasket otsekera: amagwiritsidwa ntchito potsekera flange, joint surface static sealing, monga gasket ya silinda head, hydraulic valve block sealing.
      5. Mtundu wa ziwalo zooneka ngati: mphete ya nyenyezi, mphete yamakona anayi, chidutswa cha diaphragm

    Zochitika zomwe zimagwiritsidwa ntchito nthawi zambiri komanso momwe zinthu zilili

    • Zisindikizo za Rabara (4)
      01

      1. Dongosolo la Hydraulic

      Kugwiritsa ntchito: silinda ya hydraulic excavator, crane hydraulic pump, makina oyendetsera chishango.
      Makhalidwe a chilengedwe:
      Kupanikizika kwapakati: 10-40 MPa (mpaka 70 MPa ya makina opanikizika kwambiri)
      Kuchuluka kwa kutentha: -40 ℃ ~ +120 ℃ (mikhalidwe yapadera mpaka - 80 ℃ ~ +300 ℃)
      Pakati: mafuta amchere, mafuta opangira ma hydraulic, madzi glycol, phosphate ester
      Zofunikira zapadera: kugunda kwamphamvu kwamphamvu, anti-cavitation, anti-shear deformation
    • Zisindikizo za Rabara (5)

      2. Dongosolo lotumizira

      02
      Kugwiritsa ntchito: kutumiza, bokosi losamutsa, bokosi la giya.
      Makhalidwe a chilengedwe:
      Liwiro: 0 ~ 5000 rpm (chisindikizo chonyamula cha liwiro lalikulu)
      Kutentha: -30℃~+150℃ (kupanga kutentha kwakukulu)
      Wapakati: mafuta a giya, mafuta, choziziritsira
      Zofunikira zapadera: kukana kuvala, kukana kulowa kwa mafuta, kukana kusintha kwa mphamvu ya centrifugal
    • Zisindikizo za Rabara (6)

      3. Dongosolo la injini

      03
      Kugwiritsa ntchito: chisindikizo cha mafuta a crankshaft, chisindikizo cha tsinde la valve, chisindikizo cha turbocharger.
      Makhalidwe a chilengedwe:
      Kutentha: -40℃~+250℃ (dera la turbocharger)
      Wapakatikati: mafuta, mafuta, choziziritsira, mpweya wotulutsa utsi
      Zofunikira zapadera: kukana kutentha kwambiri, kukana dzimbiri kwa mankhwala, kukana katundu wosinthana
    • Zisindikizo za Rabara (7)

      4. Zipangizo zogwirira ntchito molimbika kwambiri

      04
      Kugwiritsa ntchito: zida zobowolera m'nyanja yakuya, makina opangira zinthu zakale, makina opangira migodi.
      Makhalidwe a chilengedwe:
      Kutentha: -60 ℃ ~ +180 ℃ (malo otentha kwambiri a tundra kapena mgodi wotentha kwambiri)
      Kupanikizika: kupanikizika kwa madzi m'nyanja yakuya 100 MPa kapena kuposerapo
      Pakati: matope, mpweya wa asidi, mafuta osakonzedwa a sulfure wambiri
      Zofunikira zapadera: kukana kwa radiation, kukana kwa hydrolysis, kukana kuwonongeka kwa biodegradation

    3. Makhalidwe ofunikira a zipangizo zotsekera ndi maziko osankhidwira

    • Zisindikizo za Rabara (8)

      1. Rabala ya Nitrile (NBR)

      01
      Makhalidwe:
      Kukana bwino mafuta (mafuta a mchere, mafuta a hydraulic)
      Kukana bwino kupsinjika ndi kukana kupsinjika kwa kupsinjika
      Kutentha kogwira ntchito: -40 ℃ ~ +100 ℃ (kwa kanthawi kochepa mpaka + 120 ℃)
      Ntchito wamba: masilinda a hydraulic, zisindikizo za mafuta a gearbox.
    • Zisindikizo za Rabara (9)

      2. Rabala ya fluorine (FKM)

      02
      Makhalidwe:
      Kukana kutentha kwambiri (kwa nthawi yayitali + 200 ℃, kwakanthawi kochepa + 250 ℃)
      Osagonjetsedwa ndi mankhwala (acid, alkali, solvent)
      Zabwino kwambiri zotsutsana ndi ukalamba
      Ntchito wamba: zisindikizo za turbocharger, makina a hydraulic a ndege
    • Zisindikizo za Rabara (10)

      3. Rabala ya silikoni (VMQ)

      03
      Makhalidwe:
      Kutentha kwakukulu kwambiri (-60℃ ~ + 230℃)
      Kutanuka kwakukulu komanso kusinthasintha kochepa kwa psinjika
      Kuteteza magetsi bwino
      Ntchito wamba: kutseka malo otentha kwambiri, chitetezo cha zida zamagetsi
    • Zisindikizo za Rabara (11)

      4. Mphira wa Hydrogenated Nitrile (HNBR)

      04
      Makhalidwe:
      Kukana kutentha (+150℃) komanso kukana nyengo kuposa NBR.
      Kukana kwamphamvu kwa ozone ndi UV
      Ntchito wamba: zomatira zamafuta nthawi ya injini yamagalimoto, zida zobowolera mafuta
    • Zisindikizo za Rabara (12)

      5. Rabala ya polyurethane (PU)

      05
      Makhalidwe:
      Kukana kwambiri kukanda (kuwirikiza katatu mpaka kasanu kuposa NBR)
      Mphamvu yayikulu yokoka komanso kukana kung'ambika
      Kutentha kwa Ntchito: -30℃ ~ + 80
      Ntchito zodziwika bwino: zisindikizo za piston za silinda ya hydraulic silinda pamakina omangira.
    • Zisindikizo za Rabara (13)

      6. Zosakaniza za masangweji a nsalu

      06
      Kukana kwambiri kukanda
      Mphamvu yayikulu yokoka komanso kukana kung'ambika
      Kusankha zinthu: ulusi wa polyester (kukana kutentha + 130℃) ndi ulusi wa aramid (kukana kutentha + 250℃, mphamvu ya kung'ambika yawonjezeka ndi 50%)

    4. Mapangidwe apadera ndi mfundo zowongolera magwiridwe antchito

    • Zisindikizo za Rabara (14)

      1. Kapangidwe ka chisindikizo

      01
      Kuwongolera kuchuluka kwa kupsinjika: kuchuluka kwa kupsinjika kwa chisindikizo chosasunthika cha 15-30%, kuchuluka kwa kupsinjika kwa chisindikizo chosinthika cha 5-15%.
      Kukonza ngodya ya milomo: ngodya ya milomo ya chisindikizo cha milomo nthawi zambiri imakhala 15°~30° kuti igwirizane ndi kupsinjika ndi kukangana.
      Kufananiza miyeso ya groove: kutsatira miyezo yapadziko lonse lapansi monga IS 3601 (mtundu wa mphete) ndi IS 6194 (chisindikizo cha mafuta).
    • Zisindikizo za Rabara (15)

      2. Ukadaulo Wosintha Zinthu

      02
      Kulimbitsa Nanocomposite: kuwonjezera ma graphene ndi ma carbon nanotubes kuti awonjezere kukana kuwonongeka.
      Chithandizo cha pamwamba pa chivindikiro: Chophimba cha PTFE chimachepetsa kuchuluka kwa kukangana (kuchokera pa 0.5 mpaka 0.1).
      Kuwongolera kuchulukana kwa Crosslink: kukonza bwino modulus yosalala pogwiritsa ntchito sulfure/peroxide vulcanisation system.
    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (1)

      3. Kusanthula kwa kayendedwe ka mphamvu

      03
      Kusanthula kwa zinthu zomaliza (FEA): kuyerekezera khalidwe la kusintha kwa zisindikizo pansi pa kupanikizika, kutentha ndi kupsinjika.
      Kulumikizana kwa malo ambiri: Kuganizira momwe kulumikizana kwa kutentha ndi mphamvu ndi mankhwala kumakhudzira ukalamba wa zinthu.
      Chitsanzo cha kulosera za moyo: mayeso ofulumira a ukalamba kutengera Arrhenius equation (Arrhenius)

    5. Njira zolephera ndi njira zosamalira

    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (1)

      1. Zomwe Zimayambitsa Kulephera Kwambiri

      01
      Kukalamba kwa zinthu (oxidation, hydrolysis, kutentha)
      Kusintha kosatha komwe kumachitika chifukwa cha kupsinjika kwambiri
      Kuwonongeka kwa zinthu chifukwa cha kuipitsidwa ndi tinthu tating'onoting'ono
      Kuwonongeka kwa extrusion komwe kumachitika chifukwa cha kupsinjika
    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (2)

      2. Njira zodzitetezera pakusamalira

      02
      Kuyesa madzimadzi nthawi ndi nthawi (kuwongolera mulingo wa NAS woipitsidwa)
      Kuyang'anira kutentha (kuti mupewe kugwira ntchito kwa nthawi yayitali kutentha kwambiri)
      Kasamalidwe ka nthawi yosungira zisindikizo (kutengera deta ya MTBF)
    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (3)

      3. Mayankho a mikhalidwe yapadera yogwirira ntchito

      03
      Machitidwe amphamvu kwambiri: kutseka kothandizidwa ndi zitsulo
      Zida zokhala ndi tinthu tolimba: kapangidwe ka kapangidwe ka milomo ya fumbi
      Malo ogwedezeka kwambiri: kugwiritsa ntchito zipangizo za mphira zonyowa kwambiri

    6. Milandu yodziwika bwino yogwiritsira ntchito

    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (4)

      1. Silinda ya hydraulic truck yopangira migodi

      01
      Mankhwala: Nsalu ya U-ring
      Mkhalidwe wogwirira ntchito: 35MPa kuthamanga, -30℃ kutentha kochepa
      Chiyembekezo cha moyo: Maola 8000 osatuluka (50% kuposa zinthu zachikhalidwe)
    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (5)

      2. Dongosolo lotumizira crane ya doko

      02
      Mankhwala: NBR chisindikizo cha mafuta awiri a milomo
      Ukadaulo: Kapangidwe koyenera ka mphamvu ya centrifugal, komwe kamasintha kuti kagwirizane ndi kuzungulira kwa liwiro la 4000rpm.
      Chitsimikizo: Chitsimikizo cha CE (EN 13355: 2014).
    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (6)

      3. Chonyamulira magetsi champhamvu chatsopano

      03
      Zamalonda: Chisindikizo cha batri la silicone
      Makhalidwe: Mulingo woteteza IP69K, kukana dzimbiri kwa electrolyte.
      Mayeso: Chitsimikizo cha UL 94 V-0 choletsa moto.

    7. Ubwino wa Utumiki

    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (7)
      01
      Kutha kusintha zinthu: kupanga zinthu mwachangu (kutumiza kwa masiku 15)
      Chitsimikizo cha unyolo woperekera zinthu:
      Chomera chosakaniza cha rabara cha zopangira
      Kutha kupanga: Zigawo zokhazikika 40 miliyoni + Zigawo zosinthidwa makonda 20 miliyoni pamwezi.

    8. Chitukuko cha mafakitale

    • Zisindikizo za Rabara za Makina ndi Zipangizo Zomangira (8)
      01
      1. Dongosolo lotsekera lanzeru: masensa ophatikizana a kuthamanga/kutentha kuti aziwunika momwe zinthu zilili nthawi yeniyeni.
      2. Kupanga zinthu zosawononga chilengedwe: mphira wopangidwa ndi zamoyo, zisindikizo zobwezerezedwanso
      3. Kupambana kwakukulu pakugwira ntchito: kupanikizika kwambiri (>200 MPa), kutentha kochepa kwambiri (-196 ℃ madzi nayitrogeni) ukadaulo wotsekera

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