Lokacin da injiniyoyi suka bayyana a simintin gyaran kafa don daidaitattun sassa na ƙarfe, ba kawai suna yin odar ƙarfe ba - suna ƙaddamar da kwanciyar hankali a ƙarƙashin matsa lamba 300, amincin microstructure bayan hawan keke, da rashin haƙuri ga porosity a cikin bututun ƙarfe na cobalt. Wannan shine gaskiyar da muke gani yau da kullun a Qingdao Qiangsenyuan Technology Co., Ltd - masana'anta inda "madaidaici" ba yaren talla bane. Ita ce mafi ƙarancin buƙatun da aka buga akan kowane rahoton dubawa.
Me yasa Ya Fassara Yanke Hukunce-hukuncen Kafa Kafa Kafin A Fara Mashina
Mun sake nazarin zane-zane sama da 180 na abokin ciniki a cikin shekarar da ta gabata-kuma kashi 63% sun ƙunshi rikice-rikicen da aka ɓoye a cikin kiran GD&T. Misali na gama gari: ƙayyade ± 0.05 mm matsayi na gaskiya akan 420 mm diamita yashi-cast famfo tushe, yayin da ake buƙatar AMS 5387 cobalt gami da Rm ≥ 1,250 MPa. Wannan haɗin yana buƙatar ƙarfafa ƙarfi mai sarrafawa, sanyaya shugabanci, da sauƙaƙan danniya bayan simintin-babu ɗaya daga cikin ƙayyadaddun shagunan simintin saka idanu a cikin tsari. Sakamakon? Shafi a yayin kammalawar CNC na ƙarshe, ruɗe-rufe, da jinkirin isar da saƙon da ke kan layin taron OEM.
Gyaran yana farawa sama. A wurin da ya dace da ISO a Qingdao, simintin simintin gyare-gyare ba tsari ba ne kawai - kumburin farko ne a cikin jeri mai ɗaure kai: ƙirar ƙira → ƙirar ƙira → ingantaccen tsari na ƙarfe → in-wuri sa ido → CMM-tabbatar da simintin simintin lissafi. Muna gudanar da ƙirar ƙira akan kowane sabon sashi, muna nuna wurare masu zafi kafin zubowar farko. Don gidaje na silinda famfo piston, wannan yana nufin daidaita lissafin gating don kawar da raguwa a yankin tashar tashar bawul - rage sake yin aiki daga 12% zuwa ƙasa da 2%.
Inda Cobalt Alloys ke Raba Kafa na Gaskiya Daga Masu siyarwa
Abubuwan haɗin Cobalt-nickel-musamman AMS 5387 da maki T800-sun fallasa gibin iya aiki cikin sauri. Wadannan gami ba kawai tsayayya da lalata ba; suna tsayayya da injina, suna tsayayya da daidaiton yanayin zafi, kuma suna tsayayya da sinadarai marasa daidaituwa. Muna samo albarkatun ƙasa ne kawai daga masana'anta tare da cikakken binciken ladle kuma muna yin nazarin OES akan kowane coil mai shigowa. Amma ilmin sunadarai kadai baya bada garantin aiki. A cikin wani aiki na baya-bayan nan, OEM na'ura mai aiki da karfin ruwa ta Turai ta ba da rahoton fashewar da ba a kai ba a cikin matosai na cobalt. Binciken mu na ƙarfe ya nuna tushen dalilin ba shine abun ciki ba - ba a sarrafa samuwar delta ferrite yayin warware matsalar ba. Mun daidaita lokacin jiƙa da ƙimar sanyaya, sannan ingantattun taswirar SEM/EDS. Juriyar tsaga ta inganta da 300% a gwajin aiki.
Wannan shine dalilin da ya sa haɗin kai tsaye yana da mahimmanci. Lokacin da simintin simintin gyare-gyare, jiyya na zafi, da 5-axis machining suna faruwa a ƙarƙashin rufin ɗaya, kuna sarrafa masu canji waɗanda ke ayyana dogaro: jagorar kwararar hatsi dangane da hanyoyin lodi, ragowar damuwa kafin yanke ƙarshe, da amincin saman bayan harbin harbi. Don injiniyan abin hawa winch center shaft rollers, wannan yana nufin daidaita haɓakar dendrite a layi daya da igiyar ƙarfi-da kuma tabbatar da shi tare da sikanin anisotropy ultrasonic.
Abin da a zahiri "Ma'ana" Ma'anar Aiki
Madaidaici ba lamba ba ce akan zane. Yana da yadda kuke riƙe 0.025 mm bambancin kauri na bango a cikin 270 ° na jikin bawul ɗin matsa lamba. Yana samun Ra ≤ 0.8 µm akan hanyoyin ciki ba tare da gogewa na biyu ba. Yana isar da 98% na farko-farko da amfanin ƙasa akan mizanin geometries mara kyau kamar ƙwanƙolin cobalt tare da sassan bangon 0.3 mm.
- Matsakaicin iko: Cikakken ɗaukar hoto na CMM akan duk mahimman fasali, tare da rahoto mai sarrafa kansa wanda aka ɗaure zuwa matsayin ASME Y14.5
- Tabbatar da kayan abu: Takamaiman takaddun shaida na yarda, gami da tensile, tasiri, da bayanan gwajin lalatawar intergranular
- Tabbatarwa na aikiGwajin matsin lamba zuwa 1.5 × matsa lamba na aiki, da mai shigar da ruwa ko UT akan duk yankuna masu tsananin damuwa
- Abun iya ganowa: ID na ɓangare na Laser-etched wanda ke da alaƙa da narke rajistan ayyukan, zane-zanen zafi, da bayanan dubawa
Ba mu fitar da ko ɗaya daga cikin wannan ba. Kowane simintin ƙarfe, simintin ƙarfe, da simintin bakin karfe yana wucewa ta cikin dakin gwaje-gwaje masu inganci - ba jerin abubuwan dubawa na ɓangare na uku ba.
Zaɓin Bayan Farashi: Abubuwan Tabbataccen Isarwa
Ƙididdigar farashin ba kasafai ke nuna haɗari ba. Farashin $28/kg na simintin bakin karfe yana da ban sha'awa-har sai kun koyi shagon ba shi da ikon yin simintin saka hannun jari da kuma kwangilar hadaddun duniyoyi. Wannan yana ƙara lokacin jagorar makonni uku kuma yana gabatar da gazawar dubawa. A Qingdao Qiangsenyuan, tsarin lokaci na samfur-zuwa-samar da za a iya tsinkaya saboda mun mallaki kayan aiki, tanda, da injunan aunawa. Don odar matsakaici-girma ( inji mai kwakwalwa 50-500), aikin mu mai dogaro yana isar da shi a cikin ± 5 kwanakin da aka sadaukar - an tabbatar da jigilar kayayyaki 217 a bara.
Wannan tsinkayar ta fito ne daga tsarin haɗin gwiwar injiniya. Ba ma jiran zane ya zama “na ƙarshe.” A lokacin bita na ƙira na farko, ƙungiyarmu tana ba da tutocin masana'anta: daftarin kusurwoyi marasa zurfi don ƙirar yashi, radis sun matse don cirewa, ko tsare-tsaren GD&T waɗanda ke cin karo da tsarin simintin simintin gyare-gyare. Ɗaya daga cikin masana'antun famfo na Arewacin Amurka ya rage yawan ci gabansa da kashi 40 bayan ya ɗauki wannan tsarin bita na gaba.
Ga masu siyan masana'antu masu samar da ingantattun abubuwan ƙarfe, dama simintin gyaran kafa ba a ayyana shi ta hanyar murabba'i ko ton na shekara-shekara. An bayyana shi ta yadda zurfin fahimtar hanyoyin gazawar ku — da kuma yadda yake gina rigakafi cikin kowane mataki. Ko kuna buƙatar bawul ɗin matsa lamba da ke riƙe da mashaya 400, cobalt alloy 6 famfo sassa tsirar da abrasive slurry, ko al'ada T800 geometries bukatar duka biyu ƙarfi da machinability-muna fara da your mafi munin yanayin yanayin da injiniya baya. Daidaitawa yana farawa inda zato ya ƙare.
