Lokacin da injiniyoyi suka bayyana a straightener shaft factory, Ba wai kawai suna samo wani ɓangaren jujjuya ba - suna zaɓar abokin tarayya wanda zai iya riƙe ± 0.005 mm tolerances a ƙarƙashin nauyin hydraulic 300 MPa, tsayayya da galling a cikin yanayin slurry abrasive, da kuma isar da cikakkun abubuwan gano abubuwa zuwa lambar zafi. Wannan matakin na lissafin ba kasafai ya zo daga manyan shagunan ƙarfe na yau da kullun ba.
Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfuri saboda shaft-wanda aka ƙera don daidaitawa mai sauri a cikin rigs na gwajin famfo na tsakiya-wanda aka karkata yayin jiyya na zafi. Ko rashin nasarar gwajin jijjiga bayan sa'o'i 42 saboda rashin gano ƙananan porosity a cikin simintin gyare-gyare. Waɗannan ba haɗari ba ne na ka'idar. Yanayin gazawa ne mai maimaitawa da muka bincika a cikin nahiyoyi uku, a cikin tsarin winchfield, injin injin ruwa na ruwa, da famfunan sinadarai masu ƙarfi.
Madaidaici yana farawa inda ƙarfe na ƙarfe ya haɗu da lissafi
Madaidaicin madaidaicin ba shine silinda mai sauƙi ba. Yana da aikin dubawa: ɗaya ƙarshen ma'aurata tare da daidaitaccen tseren ƙayyadaddun ƙasa; tsakiyar sashe yana ɗaukar haƙoran haƙoran haƙoran haƙora waɗanda ke watsa juzu'i yayin da ba daidai ba tare da haɗin kai; kishiyar ƙarshen zaren yana shiga cikin madaidaicin madaidaicin taron rotor. Duk wani sabani a cikin tatsuniyoyi, ƙarewar saman (Ra ≤ 0.4 µm), ko ragowar rarraba damuwa yana yaduwa azaman amo, lalacewa, ko gajiya mai bala'i.
Shi ya sa ba za a iya fitar da zaɓin kayan zuwa takardar bayanai ba. Cobalt-nickel alloys kamar AMS 5387 suna ba da juriya na lalata da taurin zafi-amma suna yin injin a 1/3 ƙimar abinci na karfe 4140 kuma suna buƙatar saiti mai tsauri, kayan aikin cryogenic, da saka idanu na thermal na ainihi. Tushen tushen T800 yana buƙatar simintin saka hannun jari tare da ƙirar harsashi na yumbu, sannan HIP (matsawa mai zafi mai zafi) don rufe ɓoyayyen ciki — sannan CNC tana kunna injina tare da matsayi na ƙaramin micron. Tsallake kowane mataki yana lalata mutunci.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., Muna ɗaukar kowane shaft a matsayin kulli mai mahimmanci-ba ɓangaren kayayyaki ba. Kayan aikin mu na ISO da ke Qingdao yana haɗa simintin gyare-gyare, injinan axis da yawa, da kammala saman ƙasa a ƙarƙashin rufin ɗaya. Babu handoffs. Babu canja wurin tsari. Lokacin da abokin ciniki ya aika da zane-zane na GD & T don tsayin 320 mm, 65 mm diamita shaft tare da 12 ° helical splines da HRC 58-62 zurfin shari'ar, ƙungiyarmu ta tabbatar da haɓakar masana'anta * kafin * ambato-tambayi yiwuwar zazzagewa, yana ba da shawarar mafi kyawun tsarin kayan aiki, da tabbatar da daidaituwar yanayin yanayin zafi tare da tsarin alloy.
Haɗin kai tsaye ba dacewa ba ne - iko ne
Wasu masu samar da kayayyaki suna fitar da simintin gyare-gyare, sa'an nan kuma injinan kwangilar kwangila, sannan su aika sassa zuwa shagunan plating na ɓangare na uku. Kowane hannun hannu yana gabatar da sauye-sauye: tsarin hatsi mara daidaituwa daga ayyukan da ba a tabbatar da su ba, jujjuyawar juzu'i daga sake gyarawa, gurɓataccen ƙasa kafin niƙa ta ƙarshe. Mun auna har zuwa 18 µm bambancin gudu tsakanin simintin gyare-gyare masu shigowa da kuma ƙãre shafts lokacin da matakai suka rabu.
Haɗin aikin mu a tsaye yana kawar da waɗannan gibin:
- Yin wasan kwaikwayo a cikin gida: Yashi da layukan simintin saka hannun jari waɗanda aka daidaita don abubuwan haɗin gwiwar cobalt-babu dogaro ga kafuwar waje tare da bayanan tanderu gama gari.
- Machining akan kayan aikin rajista: Cibiyoyin CNC na 5-axis tare da kayan aiki na rayuwa, Renishaw bincike, da kuma tabbatarwa na CMM a cikin mahimmancin diamita.
- Ƙarshe da manufa: Electroless nickel plating for lalacewa juriya, harbi peening don matsawa saman danniya, ko madubi-polishing ga hatimi dubawa zones-amfani kawai inda aiki bukatar shi
Wannan ba game da rage farashi ba ne. Yana da game da kawar da masu canji waɗanda ke lalata maimaitawa. Gilashin da aka yi amfani da shi a kan injin da ba a ƙididdige laser ba a cikin watanni 9 na iya saduwa da juriya na bugawa a yau - kuma ya gaza duba gobe. Muna sake daidaita kowane sa'o'in samarwa 72. Kowane yanki da aka magance zafi yana jurewa Brinell da tabbatarwar Rockwell. Kowane shingen da aka gama yana samun 100% dubawa na gani don lahani na saman da ingantaccen CMM akan ainihin ƙirar CAD.
Me yasa ƙayyadaddun ƙayyadaddun “misali” ba sa amfani da maƙasudin manufa
"Kawai sanya shi zuwa ASTM A494 Grade M35-1" - wannan buƙatar ba ta gaya mana komai game da ainihin ambulan ɗin ku ba. Shin wannan juzu'in yana jujjuyawa a 4,200 RPM a cikin injin bawul na ƙarƙashin teku? Yana yin zagayowar sau 12,000 a kowane mako a cikin jirgin ƙasa na kayan haɗin siminti? Shin zai ga fallasa ta ɗan lokaci zuwa H₂S ko ruwan teku mai chlorinated?
Muna tambayar waɗannan tambayoyin-ba don muna jin daɗin aikin takarda ba, amma saboda amsar tana canza komai: zaɓin kayan abu, lokacin jiyya na zafi, hanyar gwaji mara lalacewa (UT vs. MPI), har ma da yarjejeniyar marufi (masu hana tururi-lokaci don jigilar kaya zuwa ƙasashen waje). Ɗaya daga cikin famfo OEM na Turai ya koyi wannan hanya mai wuyar gaske: "daidaitaccen" bakin karfe ya lalata cikin makonni 3 a cikin skid na allurar brine. Canzawa zuwa AMS 5387 tare da tarwatsawar carbide mai sarrafawa tsawaita rayuwar sabis zuwa watanni 18.
Wannan canjin ba sihiri bane. Ya fito ne daga nazarin aikin injiniya na haɗin gwiwa-inda muka tsara yanayin rashin nasarar su, bayanan aikin alloy da aka ambata daga NACE MR0175, kuma mun tabbatar da sabon ƙayyadaddun ta hanyar haɓaka gwajin rayuwa a cikin lab ɗin mu.
Dubi bayan zane-duba horon bayarwa
Ƙaƙƙarfan shinge na fasaha ba yana nufin komai ba idan ya zo makwanni biyu a makare don ƙaddamarwa. Ko kuma idan raka'a 10 na farko sun wuce dubawa - amma na 11 ya gaza saboda tafiyar matakai mara izini. Muna aiwatar da ayyukan tafiyar da ayyukan dogaro da kai: Kanban sarrafa albarkatun ƙasa, jerin umarni na aiki tare da wuraren bincike na QC, da dashboards na samarwa na ainihin lokaci ga abokan ciniki.
Don gudanar da samfuri, muna jigilar rahotannin labarin farko tare da cikakkun bayanan awoyi-ciki har da ramukan ramuwa na haɓakar zafi. Don oda masu matsakaicin girma, muna riƙe hannun jari na ƙwararrun ƙwararrun ƙwararrun ƙwararrun ƙwararrun kayan aiki ba tare da lalata ƙa'idar kayan aiki ba.
Idan kana bukatar a straightener shaft factory wanda ke kula da kwanciyar hankali mai girma kamar yadda ba za a iya sasantawa ba, daidaiton ƙarfe a matsayin tilas, da bayarwa akan lokaci azaman shaida na horon tsari-fara da shawarwarin fasaha, ba RFQs ba. Ziyarci https://www.tsingtaocnc.com don nazarin maganganun iyawa, takaddun shaida, da taƙaitaccen shari'ar aikace-aikacen ainihin-duniya. Shaft ɗin da kuka ƙayyade a yau zai ayyana amincin tsarin tsawon shekaru. Zaɓi daidai.
