Lokacin da injiniyoyi suka ƙididdige sassa don tsarin na'ura mai aiki da karfin ruwa, famfunan mai, ko taro masu nauyi mai nauyi, "masana'antar simintin gyaran ƙarfe" ba kawai kalmar nema ba - buƙatu ne da ba za a iya sasantawa ba. Kwanciyar kwanciyar hankali a ƙarƙashin matsa lamba 500-bar. Microstructure mutunci bayan hawan keke. Ƙarshen saman da ke ƙin zaizayar slurry. Waɗannan ba juriya ba ne - yanayin rayuwa ne. Kuma suna buƙatar fiye da kayan aikin jefawa; suna buƙatar horo na ƙarfe, ci gaba da tsari, da lissafin aikin injiniya a kowane mataki.
Me yasa Cobalt Alloys ke Buƙatar Fiye da Madaidaitan Layukan Casting
Mun ga ayyuka da yawa sun tsaya tsayin daka lokacin da mai siyarwa ya bi AMS 5387 cobalt gami kamar daidaitaccen bakin karfe 316. Sakamakon? Fashewa a cikin gidajen famfo bayan awanni 400 na aiki. Kayayyakin shaft rollers na tsakiya akan winches abin hawa injiniyoyi. Ƙimar taurin da ba za a sake bugawa ba a cikin batches-duk da saitunan tanderu iri ɗaya. Me yasa? Saboda cobalt-nickel superalloys ba kawai tsayayya da lalacewa ba - suna tsayayya da tsinkaya. Matsakaicin zafin su shine rabin na karfe. Ƙaddamarwar su ba ta da tushe. Ƙwararrun injin su ya ragu da kashi 70% bayan annealing bayani.
Shi ya sa madaidaitan masana'antun simintin ƙarfe na gaske suke saka hannun jari a cikin rufaffiyar abubuwan gano abubuwa - ba kawai lambobi ba, amma cikakkun bayanan tarihin zafi waɗanda ke daure ga kowane simintin. Sun riga sun cancanta masu ɗaure yashi don alloys-grade T800, ba silica na al'ada ba. Suna tabbatar da zagayowar harsashi na saka hannun jari tare da taswirar thermocouple - ba zato na tushen lokaci ba. A QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kowane cobalt bututun ƙarfe ko filogi yana farawa da ƙwararrun albarkatun ƙasa daga masu samar da Tier-1-kuma ya ƙare tare da rahoton CMM wanda ke nuna ± 0.015 mm karkata akan mahimman abubuwan rufewa, an tabbatar kafin fara mashin ɗin.
Haɗin Kai Tsaye Ba Kalma Bace - Hanya ce Kadai don Rike GD&T
Wasu dillalai suna fitar da simintin gyare-gyare, sannan su sayi ƙarfin CNC akan kasuwannin tabo. Wannan yana haifar da faɗuwar maki guda uku: juzu'i tsakanin simintin gyare-gyare da jahohin da aka sarrafa, tagogin zafin da bai dace da su ba, da sifili mai iko akan ingancin saman kafin a gama. Mun yi nazarin ɗaruruwan ɓangarorin da aka ƙi inda simintin gyaran gyare-gyaren ya hadu da ƙayyadaddun ƙayyadaddun abubuwa-amma yanayin da aka yi simintin ya ƙunshi ƙananan porosity wanda kawai ya bayyana bayan niƙa ta ƙarshe.
Haɗin kai na gaskiya yana nufin sarrafa sarkar gabaɗaya: simintin saka hannun jari → kawar da damuwa → ɗimbin axis machining → bayan machining zafi magani → madaidaicin saman kammalawa. Don gidajen silinda na piston famfo, wannan yana nufin riƙe zagaye tsakanin 0.008 mm a kan tsayin 300 mm - ko da bayan nitriding. Don bawul ɗin matsa lamba, yana nufin riƙe da hankali tsakanin wurin zama da flange na hawa na waje tsakanin 0.02 mm—a cikin duka jikin baƙin ƙarfe da aka yi da yashi da injunan datsa cobalt. Wannan ba zai yiwu ba tare da bayanan kayan aikin da aka raba, tsarin aiki tare, da ƙungiyar inganci guda ɗaya ta sa hannu akan kowane wurin miƙa mulki.
Abin da "Ma'anar Ma'anar Ma'anar Ma'anar Ma'anar Masana'antu (Bayan Microns)
Tambayi injiniyoyi goma abin da "haƙuri mai girma" ke nufi, kuma za ku sami amsoshi goma sha ɗaya. Amma a cikin aikace-aikacen duniya na ainihi, ɗimbin haƙuri ba sa rayuwa cikin keɓe. Matsakaicin ± 0.02 mm mahalli yana da mahimmanci kawai idan yanayin yanayin mating ɗin ya tsaya ƙasa da Ra 0.4 µm - kuma idan haɓakar haɓakar thermal na kayan biyu ya daidaita tsakanin 10% a fadin -20 ° C zuwa +120 ° C.
Shi ya sa madaidaicin masana'antar simintin ƙarfe dole ne su haɗa ingantaccen aiki - ba kawai ƙididdigar ƙira ba. Kowane bawul ɗin matsa lamba yana jurewa gwajin hydrostatic a matsa lamba na 1.5 ×. Kowane winch center shaft roller yana gudanar da tabbatar da ma'auni mai ƙarfi a 3,500 RPM. Kowane cobalt alloy bututun ƙarfe yana wucewa duba mai-cike dubawa * da * ultrasonic scanning don rarrabuwar dendritic na ƙasa. Waɗannan ba ƙari ba ne. An gina su cikin umarnin aiki - tare da takaddun izinin wucewa / gazawa, ana iya tantance su, kuma ana riƙe su har tsawon shekaru 10.
- CNC machined sassa: 5-axis contouring don hadaddun ciki kwarara hanyoyin
- Abubuwan da aka gyara na Cobalt-nickel: AMS 5387 & T800 gami da sarrafa allo tare da cikakken gano yanayin zafi
- Iron simintin gyare-gyare: EN-GJS-400-15 ductile baƙin ƙarfe tare da spheroidization rate> 95%
- Karfe & Bakin Simintin gyare-gyare: ASTM A351 CF8M tare da gwajin lalata tsakanin granular ta ASTM A262 Practice E
Zaɓan Abokin Hulɗa-Ba Mai Ba da Kayayyaki kawai ba
Zamewar kwanakin bayarwa. Hotuna suna tasowa. Ana canza kayan aiki. Abin da ya raba ingantacciyar masana'antar simintin ƙarfe na ƙarfe shine yadda ake sarrafa waɗannan abubuwan da suka faru-ba ko sun faru ba. Mun kalli abokan ciniki sun yi asarar watanni lokacin da mai siyarwa ya ƙi fassarar GD&T yayin nazarin ƙira, yana mai cewa "kawai aika zane." Wasu sun jinkirta samfuri da makonni shida saboda ginin ba shi da ikon tabbatar da kaurin bango akan tsarin saka hannun jari na 3D.
Abokin da ya dace yana farawa tare da amsawar ƙirƙira-ba bayan faɗi ba, amma yayin bita na injiniya. Suna tuta kusurwoyin da ke haifar da fashewar harsashi a cikin allunan cobalt. Suna ba da shawarar wasu dabarun ƙorafi don rage porosity a cikin tushe na famfo mai sirara. Suna tabbatar da takaddun shaida sun dace da yanayin amfaninku na ƙarshe-ko sabis ɗin iskar gas ne (NACE MR0175) ko juriya na lalata ruwa (ISO 12944 C5-M).
QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. yana aiki ta wannan hanya - ba a matsayin siyasa ba, amma a matsayin aikin yau da kullum. Wurin da ya dace da ISO yana sarrafa komai daga samfuri guda ɗaya zuwa samar da matsakaicin girma, tare da tsararriyar tsare-tsare wanda ke bin albarkatun ƙugiya a cikin ainihin lokaci. Babu "kuɗin gaggawa." Babu mamaki zargin NRE. An tsara matakai kawai, sakamakon da ake iya ganowa, da tattaunawar injiniya wanda ke farawa da "Ta yaya wannan ɓangaren zai gaza?" - ba "Mene ne farashin?"
Idan aikin ku na gaba ya ƙunshi bawuloli masu matsa lamba, gidajen famfo, ko madaidaitan igiyoyi, fara da tambaya: Shin madaidaicin masana'antar simintin ƙarfe na ku yana auna nasara a cikin microns-ko a cikin lokaci tsakanin gazawa? Amsar tana ƙayyade ko ɓangaren ku yana ɗaukar sa'o'i 500-ko 5,000.
