Pamene mainjiniya amatchula a zitsulo shaft fakitale pazigawo zofunika kwambiri zautumwi - mapampu apakati pansi pa mipiringidzo 300, ma nozzles a aloyi a cobalt m'malo okhala ndi mpweya wowawasa, kapena zodzigudubuza pamagalimoto aukadaulo akunyanja - samangofunika kupanga makina. Amafunikira kutsimikizika kwazitsulo, kubwerezabwereza, komanso kulolerana kwa zero pakusuntha kwapang'onopang'ono pamagulu.
Tawona mapulojekiti ambiri akuchedwa - osati chifukwa cha zolakwika zamapangidwe, koma ndi mipata ya ogulitsa pakugwiritsa ntchito aloyi. Makasitomala adatitumizira chojambula cha AMS 5387 cobalt pampu yokhala ndi ma callout a GD&T a ± 0.005 mm cylindricity pa bore 120 mm. Wogulitsa wawo wam'mbuyomu adatchulapo - koma sanathe kusunga kupotoza kwa kutentha pansi pa 0.02 mm. Gawolo linadutsa CMM kutentha kwa chipinda, kulephera kuyesa ntchito pa kutentha kwa ntchito. Ilo si vuto la makina. Ndiko kulephera kwazinthu-kuphatikiza-kuphatikiza.
Chifukwa chiyani luso lazinthu limalekanitsa opanga shaft olondola ndi malo ogulitsa ntchito wamba
Cobalt-nickel alloys monga T800 ndi AMS 5387 si "zovuta makina" chifukwa ndi brittle. Ndizovuta chifukwa mawonekedwe awo ang'onoang'ono amakana kufewetsa kwa kutentha - ndipo kukhazikika komweko kumawapangitsa kukhala okonda kugwira ntchito mowuma, m'mphepete mwake, komanso kulekanitsa magawo apansi panthaka ngati kuziziritsa kapena kuwongolera kupsinjika kumapatuka ndi 15 ° C.
Ku QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., shaft iliyonse ya cobalt-alloy imayamba ndi billet yotsimikizika yomwe imatha kutsatiridwa ndi malipoti oyesa mphero - osati giredi yokha, komanso za carbon, boron, ndi silicon zenizeni mkati ± 0.02%. Timatsimikiziranso chemistry yosungunula ndi ogulitsa zinthu tisanapange. Chifukwa chiyani? Chifukwa 0.003% boron yochulukirapo mu AMS 5387 imawonjezera chiwopsezo chowotcha pakuyika ndalama ndi 40%, pa data ya ASTM E1268 yomwe tidatsimikizira mu 2023.
Izi sizongoyerekeza. Chaka chatha, European hydraulic OEM inafunikira 220 mm m'mimba mwake pisitoni silinda nyumba zokhala ndi zosokoneza zamkati. Standard CNC kutembenukira kumanzere macheza zizindikiro zomwe zimafalitsa kutopa ming'alu pa 12,000 PSI njinga. Tidasinthira ku ma hybrid processing: kuyika ndalama pafupi ndi ukonde + mawonekedwe ochepetsera kupsinjika + omaliza-opangidwa ndi 5-axis yopingasa lathes yokhala ndi kugwedera kwenikweni kwa nthawi. Zotsatira: kuuma pamwamba Ra ≤0.4 µm, spline concentricity amakhala 0.008 mm kutalika 300 mm - ngakhale pambuyo 200 maola 200 kuyezetsa mchere.
Kuphatikizika koyima sikungolankhula - ndi njira yokhayo yowongolera kukhulupirika kwa shaft
Othandizira ambiri a "precision shaft" amaponyera kunja, chithandizo cha kutentha, kapena kumaliza. Izo zimaphwanya kuyankha. Ngati tsinde la chitsulo chosapanga dzimbiri likulephera kutsimikizira kuuma pambuyo potenthedwa, ndiye mwini wake mwini wake ndi ndani? The maziko? Woyendetsa ng'anjo? Katswiri wamakina yemwe adachotsa wosanjikiza wa decarburized?
QINGDAO QIANGSENYUAN imagwiritsa ntchito malo amodzi ogwirizana ndi ISO pomwe kuponyera, ma CNC amitundu yambiri, chithandizo cha kutentha, ndi kumaliza kwapamwamba kumachitika pansi pa denga limodzi - ndi dongosolo limodzi labwino. Shaft iliyonse imapeza:
- Kutsimikizira zakuthupi kudzera mu OES spectrometry (osati ma cert okha)
- Mkati-ntchito CMM imayang'ana pa magawo atatu: kutentha kusanachitike, kutentha kwapambuyo, kutsiriza
- Kuyang'anira komaliza pogwiritsa ntchito optical profilometry pamafunika osindikizira ovuta
- Kutsatiridwa kwathunthu: ID yosungunuka, chipika cha ng'anjo, data yovala zida, ID ya opareshoni
Sitimangokumana ndi ASME B16.5 kapena ISO 2768-mK. Timajambula momwe ndondomeko iliyonse imakhudzira ntchito yomaliza. Chitsanzo: Maziko a mpope wachitsulo woponyera mchenga amafunikira kuziziritsa kokhazikika kuti apewe kuphatikizika kwa tinthu tating'ono ta graphite. Timayang'anira ma curve ozizira ndi ma thermocouples ophatikizidwa - osati kutentha kozungulira. Ichi ndichifukwa chake nyumba zathu za EN-GJS-400-15 nthawi zonse zimapeza mphamvu zolimba za 420 MPa, osati zochepa za 370 MPa.
Kutumiza kwenikweni kumatanthauza kuthetsa zomwe sizili pachithunzichi
Kampani ina yaku North America yopangira mafuta m'malo opangira mafuta idatitumizira chojambula chapakati cha shaft chomwe chili ndi torque yayikulu. Palibe zakuthupi - "zosamva dzimbiri, 150 kN static load." Tidagwiritsa ntchito dzimbiri polimbana ndi malo a NACE MR0175/ISO 15156, zokhotakhota za UNS S32750 motsutsana ndi Inconel 718, ndikufunsira UNS S32760 yokhala ndi duplex anneal + kuwombera. Adawapulumutsa 28% poyerekeza ndi mtengo wa aloyi wa nickel-popanda kusokoneza kukana kwa chloride SCC.
Izi ndizochita zokhazikika, osati kuchotserapo. Gulu lathu la mainjiniya nthawi zambiri limawonetsa zoopsa zomwe zingapangidwe pojambula: zigawo zokhala ndi mipanda yopyapyala zomwe zimasokonekera, zololera bwino zomwe zimafuna zida zosagwirizana, milu ya GD&T yomwe imasemphana ndi Cpk yotheka. Timabwezera ndemanga mu maola a 48-osati "tidzatchula," koma "umu ndi momwe tingapangire kuti zigwire ntchito, ndipo apa pali kusinthanitsa pa nthawi yotsogolera ndi mtengo."
Ngati mukufuna a zitsulo shaft fakitale amene amachitira valavu anu kuthamanga nyumba ngati ndege-ovuta chigawo chimodzi-osati katundu gawo-mukuyang'ana kutsimikiziridwa aloyi chilango, chatsekedwa-kuzungulira ndondomeko kulamulira, ndi uinjiniya chiweruzo amene amalankhula bwino zitsulo, GD & T, ndi modes kulephera kumunda. Osati kuchuluka kwa CNC. Osati kungotulutsa voliyumu. Zolondola, zozikika mu chowonadi chakuthupi.
