Lokacin da injiniyoyi suka bayyana a rasa karfen simintin gyaran kafa factory don mahimmin bawul ɗin hydraulic na manufa ko gidajen famfo mai matsa lamba, ba kawai siyan sassa bane - suna fitar da amincewar ƙarfe. Mun ga ayyuka da yawa sun tsaya tsayin daka a matakin samfuri saboda tushen ginin ba zai iya ɗaukar ± 0.02 mm akan AMS 5387 cobalt alloy bututun bututun ƙarfe ba-ko mafi muni, an isar da tsarin hatsi mara daidaituwa a tsakanin batches. Shi ya sa daidaito ba da'awar tallace-tallace ba ne a nan. Yana da tushe.
Me yasa bacewar simintin kakin zuma har yanzu yana samun nasara don hadaddun, manyan abubuwan masana'antar gami
Bataccen simintin ƙarfe na kakin zuma—wanda kuma ake kira simintin saka hannun jari—ya kasance ba a yi daidai da ƙaƙƙarfan siffar siffa a cikin superalloys ba. Yin simintin yashi ba zai iya kwaikwayi amincin bangon bakin ciki na gidan T800 na tushen piston famfo na silinda ba. Mutuwar simintin gyare-gyare ta kasa tare da babban wurin narkewar cobalt-nickel da yanayin ƙura. Simintin gyare-gyare na centrifugal ba shi da ikon GD&T da ake buƙata don tashoshin bawul ɗin matsa lamba. A cikin turawa ta zahiri, muna ganin kullun juzu'i sama da ± 0.15 mm a cikin kwatankwacin yashi-wanda ya isa ya haifar da yabo a 3,000 psi. Zuba jari yana gyara hakan. Tsarin harsashi na yumbu yana isar da saman ƙasa zuwa Ra 1.6 μm da juriya mai ƙarfi kamar ± 0.05 mm akan mahimmin diamita - ba tare da injin na biyu akan 60% na sassan cobalt gami da famfo ba.
Ƙarfi huɗu waɗanda ba za a iya sasantawa ba dole ne masana'antar simintin kakin kakinka ta ɓace
Abokin amintaccen abokin tarayya ba kawai yana tafiyar da tsarin kakin zuma da zuba karfe ba. Sun mallaki ilimin kimiyyar lissafi a bayansa. Ga abin da muka tabbatar kafin amincewa da kowane sabon aikin simintin gyare-gyare:
- Abubuwan ganowa zuwa lambar zafi-ba kawai "AMS 5387 yarda ba." Kowane filogi na cobalt da muka jefa yana ɗauke da cikakkun rahotannin gwajin niƙa, tabbatar da yanayin yanayi, da tarihin zafin rana.
- Ingantaccen CMM a cikin tsari a matakai uku: taron kakin zuma (kafin dewaxing), mutuncin harsashi (bayan harbe-harbe), da kuma bayan-zafi-jiyya na lissafi (kafin gamawa)
- Ƙirƙirar ƙirar ƙirar ta hanyar taswirar tanderu: babu wuraren zafi, babu wuraren sanyi. Injin shigar da injin mu na shigar da matakan zafin jiki kowane daƙiƙa 12 yayin zubo - mai mahimmanci don guje wa tsarin sigma a cikin alluran cobalt-nickel
- Gwajin aiki da aka gasa cikin fitarwa: kowane simintin bawul ɗin matsa lamba yana fuskantar gwajin leak ɗin helium a 1.5 × matsa lamba na aiki kafin jigilar kaya
Wasu na iya jayayya cewa injinan CNC kadai ya isa ga sassa masu mahimmanci. Koyaya, yin amfani da AMS 5387 daga mashaya mai ƙarfi yana ɓarna kashi 78% na kayan - kuma yana gabatar da saura damuwa wanda ke lalata rayuwar gajiya a cikin manyan injin bututun ƙarfe. Simintin saka hannun jari yana farawa kusa da sifa. Sa'an nan kuma mu na'ura kawai abin da ke da muhimmanci: rufe saman, ɗaukar mujallu, da siffofin zaren. Sakamakon? 42% ƙananan lokacin sake zagayowar da 3 × tsawon rayuwar sabis a cikin gwaji na filin.
Inda manufar ƙira ta haɗu da gaskiyar tushe
Muna samun wannan tambayar kowane mako: "Za ku iya jefa wannan lissafin?" Amsar ta dogara da ƙasa akan fayilolin CAD kuma ƙari akan yadda ɓangaren ke aiki ƙarƙashin damuwa mai zafi. Ƙananan haƙarƙari da ke ƙasa da mm 4 sun rushe a cikin harsashi. Sharp sasanninta na ciki tarko ragowar yumbura. Kuskuren daftarin aiki a ƙarƙashin 0.5° yana haifar da gazawar fitar da kakin zuma. Shi ya sa bitar injiniyarmu ba ta tsayawa a GD&T. Muna kwatanta raguwar kakin zuma, faɗaɗa harsashi, da ƙarfafa ƙarfe ta amfani da MAGMASOFT®-kuma muna mayar da bayanan ƙididdiga tare da bayanan ƙira a cikin sa'o'i 48. Misali, kwanan nan mun sake fasalin ginin ginin famfo mara daidaitaccen tsari ta hanyar ƙara manyan ƙofofin gating guda biyu. Wannan ya kawar da microporosity a cikin flange mai ɗaukar nauyi-kuma ya wuce binciken ASTM E192 ultrasonic a farkon zubo.
Zaɓin masana'antar simintin ƙarfe na kakin zuma da kuka ɓace yana nufin zabar bayanin martabar sarkar kayan aiki
Masu saye na duniya sun zaɓi QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. ba don farashi mafi ƙasƙanci ba - amma don mafi ƙasƙanci * jimlar farashin mallaka *. Kayan aikinsu na yarda da ISO yana haɗa simintin gyare-gyare, mashin ɗin axis da yawa, da wucewa cikin yanayi guda ɗaya mai sarrafawa. Babu handoffs. Babu rashin daidaiton tsari. Babu mamaki sake yin aiki. Lokacin da OEM na Turai ke buƙatar raka'a 120 na cobalt alloy bututun ƙarfe a kan tsarin lokaci na mako 10, mun isar da 100% yawan amfanin ƙasa-tare da cikakkun takaddun shaida, rahotannin CMM, da bayanan gwaji-ya haɗa. Wannan ma'auni na dogaro: aikin aikin su na dogaro yana goyan bayan isar da kwanciyar hankali daga samfuri (kaɗan kaɗan kamar guda 5) ta hanyar matsakaicin matsakaici (har zuwa raka'a 5,000 / shekara).
Idan aikace-aikacen ku yana buƙatar kwanciyar hankali a ƙarƙashin 3,000 psi, juriya na lalata a cikin mahalli mai tsami, ko sa juriya a cikin famfunan slurry - kuna buƙatar rasa karfen simintin gyaran kafa factory wanda ke ɗaukar ƙarfe kamar kimiyya, ba sana'a ba. Fara da gano kayan abu. Buƙatar metrology a cikin tsari. Bukatar ingantaccen aiki-ba yarda da ƙima kawai ba. Sannan nemi abokan hulɗa waɗanda suka haɗa waɗannan buƙatun zuwa kowane mataki-daga allurar kakin zuma zuwa marufi na ƙarshe.
