Chidule: Chitsogozo chothandizachi chimafotokoza zovuta zomwe zimayambitsa kuwononga ndalama komanso njira zowongolera zinthu zomwe zingachitike, kuthandiza magulu amakampani kukulitsa zokolola ndikusankha ogulitsa oyenerera.
Kwa mainjiniya ndi ogula m'mafakitale, kupanga ndalama - komwe kumadziwikanso kuti kutaya phula - nthawi zambiri kumasokonezedwa ndi mawu omveka bwino.
Ogwiritsa ntchito ambiri amafufuza mawuwa mosinthana, koma kusiyanitsa kumafunika mukafuna kukhazikitsa zoyembekeza zomveka bwino.
Investment kuponyera makamaka ndondomeko kupanga mbali ntchito disposable sera yokutidwa mu refractory ceramic chuma.
Kutaya sera kumafotokozanso zomwe zimachitika pachimake, pomwe kuponyera kolondola ndi mawu ophatikizika omwe amaphatikiza njira zingapo zopangira zokhala ndi mawonekedwe a ukonde, ndikuyika ndalama ngati nthambi imodzi yayikulu.
Bukhuli limayang'ana kwambiri za vuto ndi zovuta zowongolera kakhalidwe kake kakayendetsedwe ka ndalama, m'malo mobwereza kufotokoza mwatsatanetsatane kachitidwe.
Kwa magulu omwe akuyang'ana maziko ochulukirapo panjira yoyambira, mutha kulozera ku mayambiriro athu aukadaulo wotaya sera.
Zambiri Zowonongeka Zowononga Ndalama Zowonongeka ndi Zomwe Zimayambitsa
Ngakhale ndi magawo okhazikitsidwa bwino, magawo opangira ndalama nthawi zambiri amakhala ndi zolakwika zomwe sizimawonekera mpaka kuyesedwa komaliza.
Zambiri mwazinthuzi siziwoneka mwachisawawa. Amayang'ana mmbuyo kuzinthu zomwe zimatha kuwongolera pakupanga mapangidwe, kupanga zipolopolo kapena kuthira.
Kumvetsetsa zomwe zimayambitsa izi kumathandiza magulu kuchepetsa kubwereza mobwerezabwereza ndikupewa kuvomereza magulu olakwika.
Gasi Porosity ndi Inclusions
Mpweya wa mpweya umawoneka ngati zing'onozing'ono zozungulira pamwamba kapena pansi pa gawolo, nthawi zambiri zimawonekera pokhapokha mutapanga makina.
Nthawi zambiri amapangidwa ngati mpweya wotsekeredwa mkati mwa chipolopolo cha ceramic sichimathawa mwachangu pakudzaza zitsulo zosungunuka, zomwe zimafala kwambiri popanga zovuta. zosapanga dzimbiri impeller castings.
Zomwe zimayambitsa nthawi zambiri zimaphatikizapo kusakwanira kwa chipolopolo, chinyezi chambiri muzinthu zokanira, kapena kuthira chitsulo pa liwiro lalikulu lomwe limatsekereza mpweya mkati mwa nkhungu.
Olimba inclusions ndi sanali zitsulo akunja particles ophatikizidwa mu kuponyera.
Nthawi zambiri amachokera ku tiziduswa ta zipolopolo zomwe zimasweka pothira, phulusa lotsalira losatenthedwa lomwe limasiyidwa mkati mwa nkhungu pambuyo pa kupsa ndi sera, kapena zonyansa zosakanikirana ndi chitsulo chosungunuka musanathire.
Mosiyana ndi porosity yakutali, ma inclusions akulu ophatikizidwa amatha kulepheretsa gawo losayembekezereka pansi pa katundu wozungulira.
Shrinkage Cavity ndi Micro Porosity
Kuwonongeka kwa shrinkage kumachitika pamene zitsulo zosungunuka zimachepa kwambiri panthawi yolimba popanda kulandira zowonjezera zowonjezera zamadzimadzi kuti zibwezere.
Mitsempha ikuluikulu yotseguka ndiyosavuta kuwona pamtunda, koma ma micro porosity obisika mkati mwa zigawo zokhuthala ndizovuta kwambiri.
Nthawi zambiri sizimawonekera pakuwunika kowoneka bwino, ndipo zimangotuluka kapena kulephera kuyezetsa kukanikiza pakapita nthawi gawolo litaperekedwa.
Vutoli pafupifupi nthawi zonse limawonetsa kusayenda bwino komanso mawonekedwe okwera.
Ngati kulimba sikutsata njira yomveka bwino kuchokera kugawo lakutali kwambiri kubwerera ku chokwera cha chakudya, malo otentha akutali amapangika ndikupangitsa kuchepa kwamkati.
Kusweka Pamwamba ndi Kusokoneza
Ming'alu ya pamwamba ndi kupotoza kwina kumayamba nthawi yozizira. Kupsinjika kwamafuta osagwirizana kumaposa mphamvu zakuthupi pa kutentha kwakukulu.
Nkhaniyi imakhala yofala kwambiri m'zigawo za geometry zokhala ndi mipanda yopyapyala, pomwe zigawo za khoma zimazizira mosiyanasiyana.
Ming'alu imathanso kuyambitsidwa panthawi yochotsa zipolopolo.
Ngati ogwira ntchito agwiritsa ntchito makina ochulukirapo pochotsa chipolopolo cha ceramic, kuponyera komwe kumakhala kotentha kumatha kupanga ming'alu yobisika yomwe imafalikira pambuyo pake pakukonza kapena ntchito.
Kupotoza kumachitika pamene ndondomeko ya sera iphwanyidwa isanamangidwe zigoba, kapena pamene kuponyedwa kuchotsedwa pamene kuli kotentha, kutentha kwa mkati kusanathe mokwanira.
Actionable Investment Casting Quality Control Checkpoints
Mavuto ambiri oponya ndalama sangathe kuthetsedwa mutathira.
Njira yoyendetsera bwino kwambiri ndiyo kukhazikitsa malo owonetsetsa otsimikizika pagawo lililonse lalikulu la kupanga, m'malo modalira kuwunika komaliza.
Njirayi imagwira zolakwika zomwe zingapeweke msanga ndipo zimalepheretsa magulu onse kuti asatayidwe.
Kuyang'ana kwa mawonekedwe a Mold ndi Sera
Kuwongolera kwaubwino kumayamba chitsulo chilichonse chisanatsanulidwe. Chinthu choyamba choyang'ana chofunikira ndikuwunika koyambira kwa mawonekedwe a sera.
Ngakhale zolakwika zazing'ono pamapangidwe a sera zidzachulukirachulukira pambuyo pomanga chipolopolo ndi kulimba kwachitsulo, kupanga gawo lomaliza la kulolerana.
Mchitidwe wokhazikika ndikuwunika mtundu woyamba wa sera kuchokera pakupanga kwatsopano kulikonse motsutsana ndi zojambula zonse za 2D, m'malo mongoyang'ana miyeso yochepa chabe.
Magulu awonetsetsenso kuti pagawo la sera palibe makwinya, mizere yoyenda kapena jekeseni pagawo la sera, chifukwa izi zitha kupita kumtunda womaliza wachitsulo.
Kupanga Zipolopolo ndi Kuthira Njira Yowongolera
Uwu ndiye malo omwe anthu ambiri amanyalanyaza ogula, chifukwa ntchito yomanga zipolopolo imachitika mkati mwa maziko ndipo samawoneka kawirikawiri kwa makasitomala.
Chiwerengero cha zokutira za ceramic, nthawi yowuma yoyendetsedwa pakati pa gawo lililonse, ndi kutentha komaliza kwa zipolopolo zotentha kwambiri zimakhudza mwachindunji kuponya komaliza.
Kusakwanira kuyanika nthawi pakati pa malaya kumabweretsa kunyowa, zipolopolo zofooka zomwe zimang'ambika kapena kupunduka pakathira.
Kutopa kosakwanira sera kumasiya mpweya wotsalira mkati mwa nkhungu, womwe umalumikizana ndi chitsulo chosungunula ndikupanga zolakwika.
Kutsimikizira kuti wogulitsa amatsata ndondomeko zolembedwa za zipolopolo, m'malo mothamangira kupanga kuti akwaniritse nthawi yake, ndi njira imodzi yodalirika yochepetsera zolakwika zosayembekezereka.
Kuyesa komaliza komanso kosawononga
Pambuyo poponya, kugogoda ndi kumaliza, gawo lomaliza loyang'anira limatsimikizira ngati zigawo zikukwaniritsa zofunikira zonse.
Izi ziphatikizepo kuyang'ana koyang'ana pa malo ovuta kwambiri okwererako, kuyang'anitsitsa ming'alu ya pamwamba ndi zowonongeka, ndi kuyesa koyenera kosawonongeka kosankhidwa malinga ndi ntchito ya gawolo.
Pazigawo zomwe zimagwiritsidwa ntchito popanga zovuta kapena zolemetsa kwambiri, macheke owonjezera owonjezera amaphatikiza kuyezetsa kutayikira, kuyang'ana kolowera kwa fulorosenti kwa ming'alu yapamtunda, ndipo nthawi zina kuwunika kwa X-ray kuti azindikire kufinya kobisika kwamkati komwe kuyang'ana kowoneka sikungapeze. chiwongolero chapamwamba chamakampani opanga ndalama.
Momwe Mungayesere Kuthekera Kwenieni kwa Investment Casting Supplier
Simufunikanso kukaona malo opezeka pano kuti muwunikenso koyambirira kwa kukhwima kwake kowongolera.
Mafunso angapo osavuta komanso kufufuza zolemba kungakuthandizeni kusefa ogulitsa omwe amangopereka zinthu zotsika kwambiri.
- Funsani ngati amasunga zolemba zowerengera za zipolopolo, kutentha kwamphamvu komanso kutentha kwenikweni kwa gulu lililonse.
- Tsimikizirani ngati wogulitsa akupereka lipoti lathunthu loyang'anira nkhani yoyamba yomwe ili ndi zolemba zoyezera, malipoti oyesa zinthu ndi zotsatira zowunikira zolakwika pamachitidwe atsopano.
- Funsani kuti muwone malipoti oyendera nkhani yoyamba yaposachedwa yamagawo ofanana, kuti mutsimikizire kuchuluka kwake komwe kumayendera kumagwirizana ndi zomwe mukufuna kujambula.
- Tsimikizirani ngati chithandizo chawo chokhazikika pambuyo poponya chikuphatikizanso kuchepetsa kupsinjika, komwe kumachepetsa kwambiri chiwopsezo cha kusokonekera kobisika ndi kusweka kwa magawo ovuta a alloy.
Mukafuna kupeza zida zoyendetsera bwino ndalama, kuwunikanso zizindikiro zowongolera izi musanayambe kuunikira kwa ogulitsa kumathandiza kupewa zinthu zambiri zodabwitsa zamtengo wapatali pambuyo pake.
| Common Defect Type | Njira Yoyambira Yoyambira | Njira Yoyang'ana Mwachangu Patsamba |
| Gasi Porosity | Kuthira ndi kutentha kwa zipolopolo | Yang'anani mowoneka malo opangidwa ndi makina ang'onoang'ono ozungulira |
| Zophatikiza Zolimba | Kupanga zipolopolo ndi kusungunuka kwachitsulo | Gwiritsani ntchito kuyezetsa kolowera kuti muwone mawanga olimba omwe si achitsulo owonekera pamwamba |
| Shrinkage Cavity / Micro Porosity | Kupanga gating ndi kulimbitsa | Yesetsani kuyesa kutayikira kwamphamvu kapena kuyesa malo a X-ray pazigawo zokhuthala |
| Kusweka Pamwamba | Kuzizira ndi kutulutsa zipolopolo | Gwiritsani ntchito kuyang'ana kokulirapo kapena kuyang'ana kolowera m'makona akuthwa ndi madera owonda kwambiri |
| Kusokoneza Gawo | Wax chitsanzo ndi pambuyo kuthira kuzirala | Fananizani miyeso yovuta kwambiri motsutsana ndi kulolerana kojambula |
Mafunso Ofunsidwa Kawirikawiri
Kodi ndingachepetse bwanji chiwopsezo chotaya chilema pojambula?
Mutha kutsitsa ziwopsezo zamtsogolo popewa kusintha kwadzidzidzi, kosasinthika mu makulidwe a khoma, kuwonjezera ma radiyo ozungulira pamakona onse akuthwa, ndikulumikizana ndi omwe akukupangirani kuti makulidwe ake ndi ofunikira kwambiri pakumanga.
Zosintha zazing'ono izi zimapangitsa kukhazikika kwa mayendedwe kukhala kosavuta kuwongolera.
Ndi kulolerana kotani komwe kungafikire pakuyika ndalama?
Pansi pa zinthu zomwe sizinali zapambuyo-machining, pazigawo zambiri za zitsulo za kaboni ndi magawo otsika a aloyi mkati mwa 300mm kukula kwake, kuponyedwa koyendetsedwa bwino kumatha kukhala ndi kulekerera mozungulira ± 0.5mm pamlingo wa 50mm, osafunikira makina opangira-post-casting.
Kulekerera kolimba kumatheka, koma nthawi zambiri kumafunikira ma opareshoni owonjezera achiwiri pambuyo poponya.
Magawo okhala ndi miyeso yokulirapo kapena zida zapadera za aloyi wapamwamba kwambiri angafunike kusinthidwa kosinthika komwe kumatsimikiziridwa ndi wogulitsa pasadakhale.
