Mukamva 'zinthu zopangira ndalama,' malingaliro ambiri amalumphira molunjika ku sera kapena ceramic slurry. Ndiwo pamwamba. Nkhani yeniyeni ili mwatsatanetsatane, zomwe nthawi zambiri zimanyalanyazidwa - zomangira zomwe sizikhala ndi chinyezi chambiri, zinthu zopangira ndalama monga ma refractories omwe amasintha mochenjera batch-to-batch, kapena otulutsa omwe amagwira ntchito bwino mpaka satero. Si mndandanda wogula chabe; ndi unyinji wa kudalira komwe ulalo umodzi wofooka, tinene kuti sikosi wamba wosagwirizana, ukhoza kutha nthawi yonse. Ndawonapo masitolo akudzudzula ng'anjo yawo chifukwa cha zovuta za porosity zomwe zimachokera ku zotsika mtengo za alumina silicate filler zomwe adazisintha miyezi isanu ndi umodzi yapitayo. Zothandizira ndiye maziko, ndipo mumangowawona zikalephera.
The Core Kit: Kupitilira Mndandanda Woyambira
Tiyeni tiphwanye zofunika, osati kuchokera m'mabuku, koma kuchokera ku benchi. Inde, mukufunikira sera yapatani, koma mtunduwo ndi wofunika kwambiri. Sera yosungunuka pang'ono ikhoza kukhala yosavuta kugwiritsa ntchito zida zamanja, koma kwa ma geometries ovuta, okhala ndi mipanda yopyapyala omwe amafunikira kukhazikika kwapakatikati pakusonkhanitsidwa, mukuyang'ana kusakanikirana kodzaza, kosungunuka kwambiri. Kusiyanitsa komaliza pamwamba ndi kulolerana kwapakati kungakhale theka la mil kapena kuposerapo, zomwe ziri zonse muzamlengalenga kapena zigawo zachipatala. Ndiye pali ndondomeko ya sera. Kugwiritsira ntchito sera yomweyo pamapangidwe ndi zipata ndizofala zopulumutsa ndalama zomwe nthawi zambiri zimabwerera mmbuyo panthawi ya dewaxing, zomwe zimayambitsa ming'alu.
Mbali ya ceramic ndi ntchito ya chemistry. Kutayirako sikungonyonyotsoka. Ndi malo enieni a silika wa colloidal kapena ethyl silicate binder, ufa wosakanizidwa (monga silika wosakanikirana, zircon, kapena alumina), ndi wothira / anti-foam agents. PH ndi mamasukidwe akayendedwe zimafunikira kuyang'aniridwa mosalekeza-kusintha kwa masekondi pang'ono pa kapu ya Zahn kumatha kukhudza makulidwe a malaya ndi ngalande, zomwe zimapangitsa kufooka kwa chipolopolo. Ndimakumbukira ntchito ina yonyamula zida zam'madzi komwe tinkangothyoka zipolopolo tikamachotsa phula. Zinapezeka kuti mtanda watsopano wa silika wa colloidal unali wosiyana pang'ono ndi kukula kwa tinthu, zomwe zimakhudza mphamvu ya gel osakaniza a malaya oyambirira. Tinayenera kusintha nthawi ya dip ndi kukula kwa mchenga wa stucco kuti tibwezere. Izi ndi zosintha zomwe simungazipeze m'mabuku.
Mchenga wa stucco ndi mtundu wina wopanda phokoso. Angularity ndi kukula kwa mchenga wa zircon motsutsana ndi mchenga wa silika wosakanikirana kumapangitsa kuti chipolopolocho chikhale chosiyana kwambiri komanso mphamvu zake. Kugwiritsira ntchito stucco yokulirapo pamalaya osungirako kumawongolera ngalande ndikuchepetsa nthawi yomanga zipolopolo, koma ngati kusanja sikuli bwino, kumayambitsa zovuta zomangirira. Ndilo kusinthasintha pakati pa mphamvu ya chipolopolo ndi kutulutsa mpweya panthawi yothira. Wopereka yemwe ali ndi mphamvu zowongolera pazinthu zakuthupi izi ndi wofunika kulemera kwake kwagolide.
Othandizira Othandizira: Amayiwalika Nthawi zambiri, Ovuta Nthawi Zonse
Apa ndipamene masitolo ambiri omwe amayesa kuwongolera ndalama amawotchedwa. Ganizirani za zinthu zomwe sizimapanga zojambula zokongola. Zosindikizira za zipolopolo zopangira zolakwika zazing'ono - ngati zilibe chowonjezera chofananira ndi chipolopolo, zimatuluka mu preheat. Ndiye pali zothandizira nkhungu kapena ma trays owombera. Kugwiritsa ntchito bolodi lokhazikika la ceramic fiber board limatha kuwoneka bwino, koma ngati silili lathyathyathya kapena lili ndi mphamvu zochepa zotentha, chipolopolo cholemera, chovuta kwambiri chimatha kupindika pakutentha kwambiri, kupangitsa kupsinjika ndi ming'alu yomwe chitsulo chisanachiwone.
Zogulitsa zopangira ndalama zimafikiranso pakukonza pambuyo. Mankhwala ochotsa zipolopolo: osati caustic soda iliyonse yomwe ingachite. Kuyika, kutentha, ndi nthawi yowonetsera zimayenera kukonzedwa kuti chipolopolo chanu chichotse bwino popanda kuwononga gawo lapansi lachitsulo, makamaka ndi ma alloys osakanikirana monga titaniyamu kapena zina za nickel. Mofananamo, zida zodulidwa ndi zopera - mawilo odulidwa abrasive, malamba enieni a grit amitundu yosiyanasiyana. Kugwiritsa ntchito lamba wamtundu wa aluminium oxide pa cobalt superalloy ndikuchita zinthu zopanda pake komanso zowonongeka.
Chimodzi mwazinthu zomwe sizikukambidwanso kwambiri ndi ndodo yochepetsetsa ya kutentha kapena ma pyrometric cones for ng'anjo yoyaka moto. Kudalira kokha pa thermocouple ya ng'anjo ndikoopsa. Ndawonapo kutsetsereka kwa thermocouple ndi 25 ° C, zomwe zimatsogolera ku zipolopolo zosapsa zomwe zinali zofooka komanso zolowera kuposa momwe amafunira. Zotsatira zake zinali kulowa kwachitsulo ndi matupi a valve ophwanyika. Chidutswa chosavuta, chapasukulu yakale chomwe chidayikidwa mkati mwa ng'anjocho chinatipatsa chitsimikizo chowoneka kuti kuwerenga kwa digito sikungathe. Nthawi zina, kupezeka kwaukadaulo wocheperako kumakhala kofunikira kwambiri.
Match Material: The Alloy-Supply Symbiosis
Kusankha kwanu zinthu zopangira ndalama zimatsimikiziridwa ndi chitsulo chomwe mukutsanulira. Izi sizingakambirane. Kutsanulira 316 opanda banga? Chovala choyambirira cha zircon ndi malaya osunga zobwezeretsera okhala ndi silika wosakanikirana atha kukhala wamba. Koma sinthani ku chitsulo chapamwamba cha manganese kapena superalloy ya nickel ngati Inconel 718, ndipo masewerawa amasintha. Kutentha kwakukulu kothira ndi kuyanjana kwachitsulo ndi madzi kumafunikira zoletsa zokhala ndi malo ophatikizika apamwamba komanso kukana kugwedezeka kwamafuta. Mungafunike kusinthana ndi makina onse a zircon kapenanso ma refractories apadera monga yttria pazitsulo zina zogwira ntchito.
Sera nayonso iyenera kugwirizana. Ma alloys ena ochita bwino kwambiri amakhala ndi zofunikira za kutentha kwambiri. Ngati chotsalira cha sera sichinatheretu pakutopa, kujambula kwa kaboni kumatha kuchitika muchitsulo, kusokoneza kwambiri ductility ndi kukana dzimbiri. Izi zimafunika phula lokhala ndi phulusa lochepa komanso kutenthedwa kwa zipolopolo zomwe zimapangidwira mozungulira momwe sera imapangidwira. Ndi kukambirana pakati pa zinthu zapatani, dongosolo la zipolopolo, ndi aloyi.
Apa ndipamene ukadaulo wophatikizika wa foundry umakhala wofunikira. Kampani ngati Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd., ndi zaka makumi atatu kuponya ndalama ndi Machining, zikuphatikiza mfundo imeneyi. Kugwira ntchito pazitsulo zonyezimira, zitsulo, zosapanga dzimbiri, ndi ma aloyi apadera a cobalt/nickel, amamvetsetsa mwachibadwa kuti zinthu zomwe zimagwiritsidwa ntchito - zida za zipolopolo, ma wax amtundu - sizili zofanana-zonse. Kugwira ntchito kwawo kwa nthawi yayitali kumapereka chidziwitso chakuya, chothandiza pakufufuza ndikukwaniritsa zofunikira za banja lililonse lakuthupi, zomwe ndi gawo lofunikira pakukwaniritsa kusasinthika munjira yosasinthika yotere. Mutha kuwona njira yawo yopanga zophatikizika patsamba lawo https://www.tsingtaocnc.com.
Kupeza ndi Kuyenerera: The Real-World Grind
Kupeza wogulitsa silika wa colloidal ndikosavuta. Kupeza komwe kumapereka kusasinthika kwa batch-to-batch yokhala ndi malipoti atsatanetsatane atsatanetsatane ndikovuta komanso kokwera mtengo. Njira yophunzitsira ndi yankhanza koma yofunika. Tinkakonda kugwiritsa ntchito mini-cast ndi gulu latsopano lazovala zoyambira - njira yosavuta yoyesera, zipolopolo zochepa, zotsanuliridwa ndi aloyi odziwika. Tinkachigawa, kuyang'ana kulowa kwachitsulo, kuyeza kumalizidwa kwapamwamba, kuyang'ana zophatikizidwa. Zinatenga nthawi ndi ndalama, koma zinalepheretsa kutayika koopsa kwa kupanga.
Kupanga ubale ndi ochepa ogulitsa makiyi ndikwabwino kuposa kuthamangitsa nthawi zonse mtengo wotsika kwambiri. Wothandizira wabwino adzagwira ntchito nanu pakabuka mavuto. Ndimakumbukira nthawi yomwe chiwombankhanga chathu chikukwera mosadziwika bwino. Wopereka slurry wathu adatumiza mankhwala awo. Tidakhala tsiku limodzi ndikuwunika momwe tidachitira, ndipo adati kusintha kwa mchere wam'madzi am'deralo (pambuyo posinthira magwero a municipalities) kudakhudza mphamvu ya ionic ya slurry. Anathandizira kukonzanso chowonjezera chaching'ono kuti chibwezere. Ndiwo mtengo womwe simumapeza kuchokera kwa wofalitsa wopanda pake pa intaneti.
Zimalipiranso nthawi zina kuwunika ma suppliers apamwamba. Kwa zinthu monga zosefera za ceramic (thovu kapena zojambulidwa), kukula kwa pore ndi kukhulupirika kwake ndikofunikira pakusefera kwachitsulo chosungunuka. Gulu loyipa limatha kugwa kapena kung'ambika, ndikuyambitsa ma ceramic inclusions pakuponya. Kukhala ndi othandizira osunga zosunga zobwezeretsera omwe amakumana ndi ma spec ndi gawo limodzi la kasamalidwe kolimba kwa chain chain pazovuta zinthu zopangira ndalama.
Kulephera monga Maphunziro: Pamene Supplies Bite Back
Aliyense ali ndi nkhani zankhondo. Chimodzi mwa maphunziro anga okwera mtengo kwambiri chinali phula lokwera mtengo. Zinali ndi matenthedwe okwera pang'ono kuposa sera yathu yapatani. M’nyengo yotentha ya ku California, chipinda chochitiramo misonkhano chinkakwera pamwamba pa 75°F. Kuwonjezeka kwa kusiyana pakati pa chipata ndi ndondomeko yovutayi kunayambitsa kusweka kwachisokonezo pamagulu omwe sankawoneka ndi maso. Pokhapokha mutamanga zipolopolo ndi kutulutsa matope pamene ming'aluyo inawonekera mu ceramic, zomwe zimatsogolera ku zipsepse ndi mitsempha pazitsulo. Tinataya kupanga kwa mwezi wathunthu. Kukonza sikunali kungosintha sera; inalinso kukhazikitsa malamulo okhwima a chilengedwe m'dera la msonkhano wa chitsanzo.
Wina wochenjera anali ndi chonyowetsa chatsopano, chowongolera bwino mu slurry. Inatulutsa malaya okongola, opanda thovu. Komabe, pambuyo pake tidapeza kuti idasiyidwa filimu yotsalira yomwe idalepheretsa pang'ono kulumikizana kwapakati pakati pa malaya achitatu ndi achinayi. Zipolopolozo zidapambana mayeso amphamvu koma zimatha kugwedezeka ndi kutenthedwa kwa kutentha kwakuthira zokulirapo. Kulephera kunali kwapakatikati ndipo kunatenga miyezi kuti iyambike. Tsopano, kusintha kulikonse kwa surfactant kapena zowonjezera, ngakhale zing'onozing'ono bwanji, zimadutsa muyeso wathunthu wa kutentha kwa kutentha pa chipolopolo choyimira kupanga.
Zolephera izi zimatsimikizira kuti zoperekera ndi dongosolo. Simungathe kusintha kusintha kumodzi kokha. Zimafunika kuyang'ana kwathunthu kwa ndondomeko yonse, kuyambira kupanga mapangidwe mpaka kugwedeza. Chidziwitso choyendera izi chimachokera kuzaka zambiri zogwira ntchito, kuthetsa mavuto, ndikupanga chidziwitso cham'mene zinthuzi zimagwirira ntchito. Ndi kusiyana pakati pa kugula katundu ndi kumvetsa moona zinthu zopangira ndalama monga maziko amphamvu, olumikizana aluso.
