Lokacin da bawul ɗin ku na hydraulic ya kasa a 3,000 psi-ko cobalt-alloy famfo gidaje fasa a ƙarƙashin hawan keke-ba kwa buƙatar wani mai ba da kaya wanda ya “sama da allurai.” Kuna buƙatar wani gami da daidaici machining factory wanda ya riga ya warware waɗancan gazawar a farfajiyar kanti.
Mun ga shi da hannu: wani OEM na Arewacin Amurka ya jinkirta jigilar kaya sau uku saboda mai siyar da su na baya ya yi kuskuren kiran GD&T akan gidan silinda AMS 5387. Bangaren ya wuce gwaje-gwajen girma-amma ya gaza gwajin matsa lamba. Me yasa? Domin ba a tabbatar da ingancin saman ƙasa da daidaiton ƙayyadaddun tsarin ba tare da lissafi. Wannan ba kuskuren inji bane. Yana da tazarar tsarin.
Madaidaicin gaske yana farawa daga inda simintin gyare-gyare ya ƙare-da kuma inda ake fara mashin ɗin
Yawancin masu ba da kaya suna ɗaukar simintin gyare-gyare da CNC azaman silo na daban. Tawagar daya ta zuba karfe. Wani inji shi. Amma manyan abubuwan haɗin gwal-musamman a cikin mai & iskar gas, na'urorin lantarki masu nauyi, ko majalissar famfo mai mahimmancin manufa - suna buƙatar ci gaba a cikin matakai biyu. Kwanciyar kwanciyar hankali ba wai kawai game da juriya ba ne akan rahoton CMM. Yana da game da yadda saura danniya daga ƙarfafawa ke hulɗa tare da yanke runduna yayin niƙa da yawa. Yana da game da yadda maganin zafi bayan injinin ke shafar haɗin kan iyakar hatsi a cikin kayan tushen cobalt T800.
A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., yin simintin gyare-gyare ba aikin shiri ba ne don mashina-shine matakin farko na daidaici. Kayan aikinsu mai yarda da ISO yana gudanar da simintin saka hannun jari da layin yashi wanda aka daidaita musamman don cobalt-nickel, bakin karfe, da makin ƙarfe mai ƙarfi. Ana fara gano ɗanyen abu daga takardar shedar niƙa—ba a tashar jirgin ruwa ba. Kowane tsari na AMS 5387 yana jurewa tantancewa kafin a zuba. Kowane T800 alloy lot ana yi da zafi a kowane AMS 2750, tare da rakodin tanderun da aka ɗaure kai tsaye zuwa lambobin serial ɗin.
Wannan haɗin kai na tsaye yana kawar da babbar ɓoyayyiyar kuɗi a cikin samar da gawa mai girma: sake yin aikin da ya haifar da rashin daidaiton zato na ƙarfe. Lokacin da wannan ƙungiyar ke sarrafa duka rami da kuma hanyar kayan aiki, sun san ainihin inda za su yi amfani da shiyyoyin rarrabuwar kawuna-da kuma inda za su bar hannun jari don yanke yankewar damuwa na ƙarshe.
Ba kuna siyan sassa ba. Kuna sayen amincin aiki
Dubi gidajensu piston famfo Silinda. Ba nau'ikan sassan "CNC injuna" ba -amma raka'a tare da ± 0.005 mm sun sami daidaituwa, taurare saman haɗuwa da ASTM A957 Class 1, da hanyoyin kwarara na ciki waɗanda aka goge zuwa Ra 0.4 µm. Ko cobalt alloy nozzles: ƙirƙira daga AMS 5387, sa'an nan kuma gama da electrochemical deburring don kawar da micro-notches da fara gajiya fasa a 120 Hz vibration mitoci.
Waɗannan ba ƙayyadaddun bayanai ba ne da aka ciro daga kasida. Sakamakon da aka inganta a cikin sa'o'in samarwa sama da 17,000 akan kayan aikin duniya na gaske-ciki har da famfunan ruwa na tekun da ke gudana a ci gaba da ci gaba a 120°C da injin injin abin hawa na cibiyar shaft rollers wanda aka yiwa lodin juzu'i 400,000.
Wasu na iya jayayya cewa simintin gyare-gyaren + inji yana ƙara rikitarwa da lokacin jagora. Amma a aikace, aikin su na yau da kullun yana damfara lokacin zagayowar *saboda* babu wani jinkiri tsakanin ma'aikata da kantin injin. Babu jira don yin sanyi, jigilar kaya, dubawa, da sake yin layi. Babu sake fasalin madaukai lokacin da simintin simintin simintin gyare-gyare bai dace da zato na software na CAM ba. Ƙungiya ɗaya ta mallaki cikakken tsari-daga zana ingantaccen aiki ta hanyar gwajin aiki na ƙarshe.
Ba a bincika inganci a ciki. An ƙirƙira shi cikin-mataki-mataki da aka rubuta
Shiga cikin dakin binciken su kuma zaku ga fiye da CMMs. Za ku ga masu kwatancen gani suna tabbatar da kusurwoyin gefen zaren akan matosai na cobalt. Za ku ga tashoshi masu shiga rini da aka yi amfani da su akan kowane nau'in bawul ɗin matsi-ba kawai samfurori ba. Za ku ga rahotannin gwajin kayan da aka keɓance akan lambobi masu zafi, tare da bayanan ƙwanƙwasa da aka shiga cikin amintaccen bayanan bayanan da abokan ciniki ke samu akan buƙata.
Babu "samfurin AQL." Babu akwatunan rajistan “fassara / gazawar dubawa ta ƙarshe. Ana auna kowane nau'i mai mahimmanci sau biyu - sau ɗaya bayan roughing, sau ɗaya bayan gamawa - tare da bin diddigin abubuwan da ke faruwa a kowace kuri'a. Ana tabbatar da kowane ƙarewar saman sama da ƙayyadaddun ƙayyadaddun aikin abokin ciniki: ba kawai ƙimar Ra ba, amma iyakoki mara ƙarfi, ƙidayar ƙidayar ƙirƙira, da madaidaicin rabo inda ake buƙata.
Wannan horo yana ba da wani abu da ba kasafai ba a masana'antar gami ta duniya: daidaitaccen isar da umarni na matsakaici (pcs 50-500 / kuri'a) ba tare da sadaukar da yawan amfanin ƙasa na farko ba. Ana jigilar samfura a cikin kwanakin aiki 12. Umarnin samarwa ya buge> 98% isar da kan lokaci-har ma tare da hadaddun matakai kamar simintin saka hannun jari + 5-axis-machined + vacuum-brazed majalisai.
Menene ya sa masana'antar sarrafa kayan aikin alloy ta bambanta da gaske?
Abubuwa uku sun raba su da shagunan ayyuka na gaba ɗaya:
- Gwaninta na kayan aiki: Ba wai kawai "machining cobalt alloys," amma sanin yadda T800's work-hardening rate cans feed rate at 220 m/min spindle speed-da daidaita coolant matsa lamba daidai.
- Aiwatar da aiki: Ba sa tambayar "Wane haƙuri kuke buƙata?" Suna tambayar "Wane yanayin gazawar kuke ƙoƙarin hana?" Sannan daidaita sarrafa sarrafawa zuwa waccan amsar.
- Gaskiyar aikin injiniyaBita na zana sun haɗa da bayanin kula kamar "Wannan radius zai kama tarko a cikin simintin saka hannun jari - ba da shawarar ƙarawa zuwa R0.8 don tabbatar da cikawa mai tsabta" ko "GD&T firam ɗin nan yana cin karo da amincin saman da za a iya cimma - yana ba da shawarar juriyar bayanan martaba ta 0.01 mm da ƙara ƙirar rubutu."
Idan aikin ku na gaba ya ƙunshi bawul ɗin matsa lamba, tushen famfo, ko abubuwan da ba daidai ba na cobalt-nickel waɗanda ke buƙatar aikin haƙuri na gaske-kada ku fara da RFQs. Fara tare da bita na ƙirƙira. Domin mafi ƙarfi ba shine wanda yake da ƙayyadaddun ƙayyadaddun bayanai ba. Shine wanda aka gina daidai lokacin farko-kowane lokaci.
