Zabar dama rasa kakin simintin kayan aiki factory ba game da kwatanta ƙayyadaddun ƙayyadaddun bayanai ba — game da daidaita horon tsari ne zuwa ɓangaren manufa. Mun ga gidaje da yawa na bawul ɗin hydraulic sun kasa a cikin gwaje-gwajen filin ba daga kurakuran ƙira ba, amma daga ƙananan ƙirar ƙira a cikin matakin simintin saka hannun jari. Wannan rashin daidaituwa yana farawa tun kafin harsashi ya lalace - baya a filin masana'anta inda ake sarrafa daidaiton ƙirar kakin zuma, yumbu slurry rheology, da bayanin martabar tanderu a matsayin masu canji masu dogaro da kai, ba keɓance matakai ba.
Me ya sa "Lost Wax" ba Tsari ba ne kawai - Ƙaddamarwa Tsari ne
Nasarar simintin simintin kakin zuma na gaskiya yana buƙatar haɗin kai tsaye: yin ƙira, ginin harsashi, tarwatsawa, harbe-harbe, zubowa, ƙwanƙwasa, da injinan simintin gyare-gyare dole ne su yi magana da yaren ƙarfe iri ɗaya. Masana'antar da ke fitar da samar da harsashi ko kuma ta dogara da kewayon wutar lantarki ba za ta iya ba da garantin sassa na cobalt na AMS 5387 suna riƙe ± 0.05 mm kwanciyar hankali bayan maganin zafi ba. Mun auna murdiya ta zafi har zuwa 0.18 mm a cikin gidaje na silinda lokacin da tarkace ramuwar ya wuce 1.2°C/min—bayanai da aka tabbatar a cikin binciken kwastomomi guda uku a Arewacin Amurka da Jamus.
Shi ya sa na sama-mataki rasa kakin simintin kayan aiki factory abokan haɗin gwiwa suna saka hannun jari a cikin rufaffiyar mahalli na rufaffiyar-ba kawai don zafi a lokacin stuccoing ba, amma don ainihin lokacin sa ido kan matsa lamba na iskar oxygen a cikin tsarin zubar da ruwa. Suna daidaita kauri harsashi yumbu tare da ma'aunin ultrasonic, ba ƙididdigar gani ba. Suna inganta kowane nau'i na T800 gami da ASTM E1479 spectral baselines - ba kawai rahotannin tensile ba.
Yawancin masu siye suna watsi da ƙaƙƙarfan ƙugiya ɗaya: lokacin bushewar harsashi. Gaggawa da bushewa yana haifar da ƙananan ƙwanƙwasa ido marasa ganuwa amma bala'i a ƙarƙashin hawan keke na 350-bar. Masana'antu masu amfani da ramukan tilasta-iska ba tare da sarrafa raɓa suna ganin 22% mafi girman ƙimar ƙi harsashi ba. Gyaran? Ƙarƙashin saurin gudu, ɗakunan raɓa-madaidaitan raɓa - ba za a iya sasantawa don daidaitattun kayan aikin famfo kamar gidaje na silinda na piston famfo.
Ƙarfin Ƙarfi guda huɗu waɗanda ba sa sasantawa dole ne ka tabbatar
Kafin shiga NDA, nemi damar kai tsaye zuwa waɗannan wuraren bincike guda huɗu:
- Ƙididdigar Ƙwararren Ƙwararru: Shin suna amfani da ISO 10360-CMMs masu dacewa tare da maimaita bincike na 5-μm akan masanan kakin zuma-ba kawai simintin gyare-gyare na ƙarshe ba?
- Gwajin Mutuncin Shell: Shin ana auna ƙarfin harsashi ta ASTM C1148, ba kawai "ya wuce / kasa ba"?
- Zuba Kula da ZazzabiZa su iya shiga narkar da zafi mai zafi a cikin ± 3°C a cikin 100kg da aka zuba - kuma su tabbatar da shi tare da takaddun shaida na pyrometer da ake iya ganowa ga NIST?
- Bibiyan Ƙarfafa Ƙarfafawar Simintin Ɗaukaka Bayan-Ɗaukar Simintin Ɗaukaka: Shin suna yin rikodin mahimmancin motsi, haɓaka ƙirar ƙira, da tasirin yanayin sanyaya a cikin rahoton FAI ɗin su-ba kawai girma na ƙarshe ba?
Mun taɓa gano hanyar ɗigo mai maimaitawa a cikin cobalt alloy nozzles zuwa kaurin harsashi mara daidaituwa a radius na 3-mm. Tushen dalili? Robot mai ɗaki mai ɗaki tare da sawar bututun ƙarfe mara ƙima. Maye gurbin wancan bangaren guda ya yanke guntun da kashi 68%. Ba a gadon daidaito ba - an ƙirƙira shi a cikin kowane tasha.
Inda Machining da Casting Ke Haɗuwa-Kuma Me Yasa Yake da Muhimmanci
Mafi ƙarfi rasa kakin simintin kayan aiki factory baya tsayawa a bakin gate. Yana yin injuna mahimman abubuwan rufewa * a cikin yanayin zafi guda ɗaya * kamar simintin gyare-gyare. Me yasa? Saboda saura danniya daga milling CNC yana canza rarraba microhardness a cikin kayan AMS 5387. Mun lura da canje-canjen HRC na maki 4.2 akan filayen injin da aka kera lokacin da ake yin niƙa sa'o'i 48 bayan zuba ruwa tare da maganin zafi nan take.
Wannan shine inda ƙarfin haɗin gwiwa ya zama mai yanke hukunci. Kamfanonin da ke kula da simintin saka hannun jari da CNC da yawa a cikin wurin da aka tabbatar da ISO suna kawar da murdiya da ta haifar da canja wuri. Suna kula da daidaitawar GD&T tsakanin simintin simintin gyare-gyare da kayan aikin injina—babu sake gyarawa, babu canjin datum. Don bawul ɗin matsa lamba da ke buƙatar ƙarfin zama na ASME B16.34, wannan ba dacewa ba ne. Rayuwa mai aiki ce.
Ƙarshen saman ƙasa ya wuce kayan shafawa. Ra ≤ 0.4 μm a kan famfo tushe hawa fuskokin rage gasket creep karkashin thermal keke. Cimma wannan yana buƙatar sarrafa jijjiga a cikin tashoshi masu ƙarewa-ba kawai hanyoyin kayan aiki masu ƙarfi ba.
Duba Bayan Takaddun Shaida-Bincika Al'adu
ISO 9001 shine tushen tebur. Abin da ya raba fitattun ’yan wasan kwaikwayo shi ne yadda suke bi da karkacewa. Tambayi: Lokacin da harsashi ya fashe yayin lalata, shin injiniyoyi suna dakatar da layin, taswirar tushen taswira tare da zane-zanen kashin kifi, da sabunta SOPs a cikin sa'o'i 24-ko kawai sake yin tsari? Muna bin wannan ta hanyar lokacin amsa tambayoyi: manyan masana'antu suna warware rashin daidaituwa a cikin awanni 38; matsakaicin shaguna suna ɗaukar kwanaki 5.2.
Neman kayan abu ba shigarwar bayanai ba ne - ID ɗin tsari ne na Laser akan kowane ingot, an tabbatar da rahoton gwajin niƙa kafin narkewa. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane T800 cobalt alloy simintin ƙusa yana ɗauke da cikakkun bayanan tsare-tsare: narke ID na murhu, zub da kwanan wata, lambar harsashi, rajistan zagayowar zafi, da fayilolin CMM scan — duk ana samun dama ga abokan ciniki ta hanyar hanyar sadarwa.
Makomar na masana'antu ne waɗanda ke ɗaukar simintin kakin zuma da aka ɓace ba azaman fasahar gado ba, amma azaman kimiyyar kayan sarrafawa ta dijital. Wannan yana nufin hasashen slurry danko da AI-kore, ingantaccen tagwayen dijital na ma'aunin zafi, da rarrabuwa ta atomatik akan fina-finan X-ray. Yana nufin ƙin "mai kyau" don "cikakkiyar aiki" -saboda a cikin mai & gas ko matsi mai ƙarfi, babu wani gefe don "kusa."
