Lokacin da injiniyoyi suka ƙididdige sassa don famfo na ruwa, bawul na filayen mai, ko tsarin winch mai nauyi, ba sa buƙatar ƙarfe kawai - suna buƙata. aikin da ake iya faɗi a ƙarƙashin matsin lamba. Shi ya sa ƙarin ƙungiyoyin ƙira ke juyawa zuwa a foda metallurgy kayayyakin factory wanda ke ɗaukar ilimin kimiyyar abin duniya a matsayin wanda ba za a iya sasantawa ba-ba tunani ba ne. Ba kowane shago ba ne zai iya riƙe ± 0.01 mm akan bututun ƙarfe na cobalt-alloy yayin da ke ba da garantin daidaituwar ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa a cikin raka'a 500. Kadan har yanzu suna haɗa wannan madaidaicin tare da cikakken haɗin kai-zuwa ƙarewa a tsaye. A aikace, wannan ba game da "yin sassa ba ne." Yana da game da kawar da yanayin gazawar kafin farkon samfur na jiragen ruwa.
Me yasa Foda Metallurgy Ba kawai don Gears da Bushings bane kuma
Ƙarfe na foda da aka yi amfani da shi don nufin ɓoyayyiyar bearings da sassauƙan sinadarai masu sassauƙa. A yau, manyan hanyoyin PM-musamman matsin isostatic mai zafi (HIP) da gyare-gyaren ƙarfe na ƙarfe (MIM) waɗanda ke biye da madaidaicin CNC - suna isar da geometries na kusa-net a cikin gami waɗanda ke tsayayya da machining ta hanyar al'ada. Mun ga abokan ciniki sun canza daga jabun bakin karfe zuwa sassa na HIP mai sarrafa T800 cobalt foda lokacin da gidajen famfonsu suka fara fashe a psi 3,200. Tushen dalili? Iyakar hatsi a cikin simintin gyare-gyare. Madadin PM ya ba da ƙarfin isotropic, babu porosity na ciki, da 17% saurin zagayowar lokaci a cikin injina na ƙarshe-saboda farkon farawar ya riga ya ɗauki 92% na kwane-kwane na ƙarshe.
Wannan sauye-sauye ya fi dacewa inda hadadden lissafi ya hadu da tsananin aiki: kujerun bawul ɗin matsa lamba tare da saman radius mai yawa, AMS 5387 famfo mai ɗaukar hoto tare da tashoshi na sanyaya bangon bakin ciki, ko madaidaicin shaft rollers don injin injin injiniyoyi waɗanda ke jujjuya a 180 rpm a ƙarƙashin nauyin girgiza. Waɗannan ba kayan kasida ba ne. An inganta su a kan ISO 4527, ASTM B964, da ƙayyadaddun ƙa'idodin gwajin fashe abokin ciniki - ba kawai zane-zane ba.
Ƙarfi guda huɗu waɗanda ke raba Haɗin kai na PM na gaske Daga Sama-Mataki Sourcing
A gaskiya foda metallurgy kayayyakin factory baya fitar da matakai mafi wuya. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., aikin yana tsayawa a ƙarƙashin rufin daya - ba don dacewa ba, amma don sarrafawa:
- Ingantacciyar tushen foda: Babu izgili. Kowane T800 ko cobalt-nickel feedstock yana ɗauke da rahotannin gwajin niƙa waɗanda za a iya gano su zuwa takaddun shaida na EN 10204 3.1 - kuma an tabbatar da su bayan an karɓa ta hanyar sigar siginar OES da bincike na sieve.
- Mallakar tsarin gauraye: Simintin saka hannun jari don siffar girma + HIP densification + 5-axis CNC don mahimmin fuskokin rufewa da datums masu sarrafa GD&T. Babu hannun jari yana nufin babu juriya tari-up abubuwan ban mamaki a tsakani tsakanin simintin gyare-gyare da injina.
- Daidaita maganin zafi: Maganganun warwarewa da zagayowar tsufa sun yi daidai da ƙayyadaddun ƙayyadaddun tsarin HIP-ba kwanakin kalanda ba. Mun auna har zuwa 22% ci gaba a rayuwar gajiya lokacin da tsufa ya bi HIP a cikin sa'o'i 4 tare da jinkirta aiki.
- Gine-ginen dubawa mara lahani: CMM yana dubawa akan kowane kuri'a, ba kowane sashi na 10 ba; profilometry na gani akan duk wuraren rufewa; Gwajin shigar da rini ta ASTM E165 akan duk yankuna masu tsananin damuwa. Babu wani abu da ya wuce ba tare da cikakken kayan aiki da aiwatar da rajistan ayyukan ganowa ba.
Tambayar Kuɗi—Kuma Me Yasa Tambaya “Yaya Mai Rahusa?” Shin Matakin Farko Ba daidai bane
Wasu manajojin saye suna kwatanta ƙididdiga bisa farashin ɗaya kaɗai. Wannan ya gaza a babban aikin PM. Filogi na cobalt-alloy na $210 na iya kashe 3.7 × fiye da daidaitaccen sigar tagulla-amma yana dawwama 14 × a cikin sabis ɗin slurry mai lalata kuma yana kawar da rufewar da ba a shirya ba na matsakaicin $8,400 / awa a cikin ayyukan rig na teku. Muna bin diddigin ƙimar ƙimar mallaka ta ainihi (TCO) a cikin ayyuka guda uku: OEM ɗaya na ruwa ya rage aikin kulawa na shekara-shekara ta 63% bayan canzawa zuwa gidaje AMS 5387 foda ƙarfe ƙarfe na silinda; wani maginin famfo na kudu maso gabashin Asiya ya yanke adadin datti daga kashi 9.2% zuwa 0.4% bayan ya ƙaura daga yashi zuwa ginshiƙan injina na HIP.
Matsayin tipping ba farashin kayan abu bane - tsadar haɗari ne. Lokacin da bawul ɗin ku dole ne hatimi a -40°C da 7,500 psi ba tare da yayyo ba, ko kuma abin nadi na winch ɗinku dole ne ya watsa juzu'i ta ɓangaren giciye na mm 12 ba tare da samun nasara ba, “mai kyau isa” ba shi da gefe don kuskure. Wannan shine inda takamaiman ƙwarewar yanki ke da mahimmanci: sanin wane irin zafin da ke kula da bayanan martaba yana kiyaye tarwatsawar cobalt carbide a cikin T800, ko yadda ake karkatar da sassan MIM akan teburin CNC don rage raguwar ɓarnawar damuwa yayin yankewa.
Abin da za ku Tambayi Kafin Ku Shiga Duk Wani Abokin Hulɗa na Foda
Kar ku tambayi "Za ku iya yin wannan zane?" Tambayi maimakon:
- "Wane nau'in foda da hanyar haɗin gwiwa kuka inganta don wannan takamaiman yanayin kaya - kuma menene bayanan gwaji ya tabbatar da shi?"
- "Ta yaya kuke sarrafa girman rabon hatsi a cikin sake zagayowar HIP, kuma wace shaida ta microscope kuke riƙe kowace kuri'a?"
- "Idan GD&T ya yi kira da a samo datum B daga saman injin da aka kera akan babu komai, ta yaya kuke tabbatar da sake maimaitawa a cikin raka'a 200?"
- "Mene ne aikin samar da ku mafi dadewa don wannan dangin gami - kuma menene CpK akan mahimmin girma a yawa #150?"
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana amsa waɗannan tambayoyin tare da rubutaccen tsari-ba alkawuran ba. Kayan aikinsu na yarda da ISO yana gudanar da ayyukan aiki na dogaro da aka daidaita don daidaitattun batches na matsakaici, ba kawai samfura ko mega-lots ba. Suna goyan bayan bita na ƙira da wuri-ba don tayar da hankali ba, amma don tuta tarko na ƙirƙira: ƙimar kauri na bango waɗanda ke gayyatar ɓarna a cikin MIM, daftarin kusurwoyi marasa zurfi don fitarwa, ko murɗaɗɗen yanayin zafi wanda zai tilasta sake yin aiki akan ƙarancin haƙuri.
Idan aikin ku na gaba yana buƙatar sassan da suka yi-ba kawai dace ba-sai ku fara da a foda metallurgy kayayyakin factory cewa matakan nasara a hawan keke sun tsira, ba kawai jigilar kaya da aka aika ba. Domin a cikin aikace-aikace masu mahimmancin manufa, dogaro ba sifa ba ne. Ita ce kawai ƙayyadaddun bayanai.
