Lokacin da injiniyoyi suka bayyana a rasa kakin zuma zuba jari simintin gyaran kafa factory don ɓangarorin ƙarfe masu inganci, ba kawai siyan simintin gyare-gyare ba suke—suna tabbatar da maimaita girman girma, kulawar microstructural, da amincin aiki a ƙarƙashin matsanancin yanayin sabis. Mun ga jinkirin ayyuka da yawa-ba ta hanyar kurakuran ƙira ba, amma ta hanyar iya yin simintin da bai dace ba. Gidajen bawul wanda ya wuce binciken CMM a zafin daki na iya jujjuyawa bayan jiyya na zafi idan ma'adinin ya rasa ingantaccen tsarin zafi. Bututun ƙarfe na cobalt na iya saduwa da ƙayyadaddun sinadarai akan takarda amma ya gaza juriya na zaizayar sabis idan ba a kula da tsarin hatsi ba a duk faɗin. Abin da ya sa ba a bayyana daidaito ta hanyar haƙuri kadai - an gina shi a cikin aikin aiki.
Me Yasa Rashin Zuba Jarin Kaki Ya Bukaci Haɗin Kai tsaye-Ba Kafa Kafa kaɗai ba
Simintin saka hannun jari ya zarce inda simintin yashi ba zai iya ba: bangon bakin ciki, hadaddun hanyoyin shiga ciki, matsananciyar kira na GD&T, da kyakkyawan saman ƙasa (Ra ≤ 1.6 µm). Amma waɗancan fa'idodin sun ruguje ba tare da tsantsar haɗa kai ba tsakanin yin ƙira, ginin harsashi, tarwatsawa, harbe-harbe, zubowa, da injinan simintin gyare-gyare. A wurinmu a Qingdao, ba mu fitar da kowane ɗayan waɗannan matakan ba. Muna sarrafa cikakken sarkar-daga kayan aikin silicone don ƙirar kakin zuma zuwa bushewar yumbu mai ƙarfi-taimaka, daga tanda mai zafi mai ƙarfi zuwa zubar da iskar gas na AMS 5387 cobalt gami a 1,480°C. Me yasa hakan ke da mahimmanci? Domin ragowar kakin zuma na haifar da tsagewar harsashi. Rashin daidaituwar harsashi yana kiran porosity. Girgizar zafi yayin lalatawar yana haifar da ƙananan ƙwayoyin cuta marasa ganuwa ga X-ray amma mai mutuwa a ƙarƙashin matsin lamba. Mun auna har zuwa 22% raguwa a cikin yawan amfanin ƙasa na farko lokacin da ba a tabbatar da ingancin harsashi ta ASTM F2897 ba.
Inda ƙwararrun Kayayyakin ke raba masu siyarwa Daga Abokan Hulɗa
Yawancin wuraren da aka samo asali suna jefa bakin karfe ko ductile iron. Kadan ne ke rike da kayan aikin cobalt na T800-ko yin hakan ba tare da sadaukar da kayan aikin ba. Mun gudanar da zafi sama da 1,400 na samar da AMS 5387 tun daga 2019, kowannensu an tabbatar da shi tare da sikanin sikandire na OES da kuma tarin bayanan kula da zafi. Abokan ciniki sukan yi tambaya: "Shin za ku iya riƙe ± 0.025 mm akan gidan silinda mai famfo piston 320 mm?" Ee-amma kawai saboda muna injin *bayan* rage damuwa da kuma kafin tsufa na ƙarshe. Idan muka jefa shi, a yi zafi da shi, sannan a jira sa'o'i 72 kafin yin injin, ragowar damuwa suna karkatar da bututun. Ba mu tsallake wannan matakin ba. Muna kuma guje wa gajerun hanyoyin gama gari: babu “jinin” cobalt alloy musanya, babu takamaiman karafa don gyaran walda, babu ayyukan sakandare mara izini. Kowane filogi na cobalt alloy, kowane ɓangaren famfo mara daidaito, yana ɗaukar cikakkun takaddun shaida, rahotannin gwaji, da taswirar tauri a cikin yankuna masu mahimmanci.
Ladabi na Tsari na Gaskiya-Ba kawai Takaddun shaida ba
ISO 9001 shine tushen tebur. Abin da ke da mahimmanci shine yadda tsauri ke fassara zuwa ɓangaren ku. Ƙa'idar binciken mu tana farawa da tabbatar da billet mai shigowa-ba wai kawai certs na niƙa ba, amma gwajin ultrasonic don katsewar ƙasa. Lokacin yin simintin, ma'aunin zafi da sanyio suna lura da yanayin zafin jiki da ƙarafa a cikin ainihin lokacin. Bayan girgizawa, kowane simintin gyare-gyaren ana yin gwajin fenti (ASTM E165) da rediyon rediyo (ASTM E94) kafin yin aiki mai tsauri. Binciken ƙarshe ya haɗa da binciken CMM na duk fasalulluka na GD&T, ma'aunin gani na saman rufewa, da gwajin aiki-kamar gwajin matsa lamba na hydrostatic a 1.5 × matsa lamba na aiki don jikin bawul. OEM daya daga cikin na'ura mai aiki da karfin ruwa OEM ya rage gazawar filin da kashi 68% bayan canzawa zuwa gidajen mu na Silinda-ba don haƙuri ya tsananta ba, amma saboda mun tsara taswira da sarrafa ɓarnawar ɓarna a cikin zagayowar zafi 12.
Zabar Kamfanin Simintin Zuba Jarin Kakin Kakin Da Ya Dace Yana nufin Yin Tambayoyin Da Ya dace
Kada ku tambayi "Shin kuna da takaddun shaida na ISO?" Tambayi: "Ta yaya kuke tabbatar da ƙarfin harsashi kafin cirewa?" Kar a tambayi "Wane alloys kuke jefa?" Tambayi: "Nuna mani rajistan ayyukan kula da zafi guda uku na ƙarshe na AMS 5387-da kuma daidaitattun sakamako." Kada ku tambayi "Mene ne lokacin jagoran ku?" Tambayi: "Yaya kuke sarrafa juzu'i tsakanin simintin gyare-gyare da gamawa na ƙarshe akan abin nadi na 450 mm winch center shaft?" Amsoshin suna bayyana balaga da aiki. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana amsa waɗannan tambayoyin tare da rubutattun hanyoyin, ba alkawuran ba. Muna bauta wa masana'antun famfo na Arewacin Amurka waɗanda ke buƙatar biyan ASME B16.34, masu ba da kayan aikin injiniya na Jamus waɗanda ke buƙatar gano EN 1559-3, da masu ginin famfo ƙwararrun kudu maso gabashin Asiya waɗanda ke neman Ra ≤ 0.8 µm saman rufewa - duk daga layin haɗin gwiwa ɗaya. Daidaitaccen simintin gyare-gyare ba game da kawar da bambance-bambance ba. Yana game da aunawa, taswira, da sarrafa shi-kowane zafi, kowane yawa, kowane bangare.
