Pfupiso: Iri gwara rinoshanda rinotyora midzi yekukandira mari yekukanganisa midzi uye matanho ekudzora mhando, kubatsira zvikwata zvemaindasitiri kuvandudza goho uye kusarudza vatengesi vanokwanisa.
Kune mainjiniya nevatengi vemaindasitiri, kukanda mari - kunozivikanwawo zvakanyanya sekurasika wax casting - kunowanzo kuvhiringika neizwi rakafaranuka kukanda chaiko.
Vazhinji vashandisi vanotsvaga aya mazwi nekuchinjana, asi mutsauko unobata kana iwe uchifanira kuseta zvakajeka tarisiro yemhando.
Investment casting inonyatso inoreva maitiro ekugadzira zvikamu uchishandisa wakisi inoraswa pateni yakavharwa mune refractory ceramic material.
Yakarasika yakisi yekukanda inotsanangura imwechete musimboti maitiro, nepo chaiyo yekukanda iri amburera yakafara izwi rinofukidza akawanda ari pedyo-neti-shape yekugadzira maitiro, nekukandira kwekudyara sebazi rimwe rakakura.
Gwaro iri rinotarisa pane chikanganiso uye zvemhando yekudzora zvinonetsa zvakasarudzika kune yekudyara kukanda mafambiro, pane kudzokorora generic chaiyo yekukanda tsananguro.
Kune zvikwata zviri kutsvaga mamwe mabackgrounds pa core process, unogona kutaura nezvesumo yedu yakazara kune yakarasika wax yekukanda tekinoroji.
Yakawanda Yakajairwa Investment Casting Defects uye Dzidzo Dzinokonzeresa
Kunyangwe iine yakamisikidzwa maparamita ekuita, mari yekukanda zvikamu zvinowanzoita hurema husingaonekwe kusvika pawongororwa kwekupedzisira.
Zvizhinji zvenyaya idzi hazvioneki zvisina tsarukano. Ivo vanoteedzera kumashure kune chaiwo anodzoreka mapoinzi mukugadzira maitiro, kugadzirwa kwegomba kana kudurura.
Kunzwisisa izvi zvinokonzeresa kunobatsira zvikwata kuderedza kudzokororwa kudzokororwa uye kudzivirira kugashira mabhechi akaremara.
Gasi Porosity uye Inclusions
Gasi porosity inoratidzika sediki yakatenderedzwa voids pamusoro kana pazasi pechikamu chepamusoro, kazhinji inoburitswa chete mushure mekugadzira.
Inowanzo kuumbwa kana gasi rakavharirwa mukati meganda receramic risingapunyuki nekukurumidza panguva yekunyungudutswa kwesimbi yekuzadza, nyaya yakajairika pakugadzira yakaoma. Stainless simbi impeller castings.
Zvikonzero zvinowanzoitika zvinosanganisira kusakwana kwegoko rinopinda mukati, mwando wakawandisa muzvinhu zvinoramba, kana kudurura simbi yacho nekumhanya kwakanyanya kunovharira mweya mukati memold.
Solid inclusions isiri-simbi yekunze zvidimbu zvakaiswa mukukanda.
Zvinowanzobva pazvimedu zvakatsemuka zvinotsemuka panguva yekudirwa, dota rasara risina kupiswa rinosara mukati meforoma mushure mekutsva kwewakisi, kana tsvina yakasanganiswa musimbi yakanyungudutswa isati yadirwa.
Kusiyana yakasarudzika pamusoro porosity, hombe yakamisikidzwa inclusions inogona kukonzera isingatarisirwe chikamu kukundikana pasi pe cyclic mutoro.
Shrinkage Cavity uye Micro Porosity
Shrinkage defects inoumbwa kana simbi yakanyungudutswa ikanyunguduka zvakanyanya panguva yekusimba pasina kugashira yakakwana yekuwedzera mvura yekudyisa zvinhu kutsiva.
Mahombe akavhurika shrinkage cavities ari nyore kuona pane chikamu chepamusoro, asi micro porosity yakavanzwa mukati mezvikamu zvakakora zvakanyanya kunetsa.
Iyo kazhinji hairatidzike panguva yeyakajairwa yekutarisa yekuona, uye inodonha chete kana kutadza kumanikidza kuyedzwa kwenguva refu mushure mekunge chikamu chaunzwa.
Ichi chikanganiso chinogara chichinongedzera kune isina kunaka gedhi uye dhizaini yekusimudza.
Kana hurongwa hwekuomesa hwusingateveri gwara rakajeka kubva kuchikamu chiri kure-kure kudzokera kune chinosimudzwa chekudya, nzvimbo dzinopisa dziri dzoga dzinozogadzira uye kugadzira kupera kwemukati.
Surface Kutsemuka uye Kukanganisa
Kutsemuka kwepamusoro uye kukanganiswa kwechikamu kunowanzokura panguva yekutonhora. Kusagadzikana kwekushisa kwekushisa kunodarika simba rezvinhu pakupisa kwepamusoro.
Nyaya iyi inonyanya kuwanda muzvikamu zvitete-madziro zvakaomarara zvejometri, uko zvikamu zvemadziro zvakasiyana zvinotonhorera pamitengo yakasiyana.
Mitswe inogona zvakare kuunzwa panguva yekugogodza-kunze maitiro.
Kana vashandi vakashandisa yakawandisa mekiniki maitiro vachibvisa ganda receramic, iyo ichiri kupisa inopisa inogona kugadzira akavanzika madiki-makororo anongopararira gare gare panguva yekugadzira kana sevhisi.
Kuvhiringika kunowanzoitika kana peteni yewakisi pachayo yatsveyama isati yavakwa goko, kana kuti pakadonhedzwa kunze kuchiri kupisa, kushushikana kwemukati kusati kwapera zvakakwana.
Actionable Investment Casting Quality Control Checkpoints
Mazhinji matambudziko ekukanda ekudyara emhando yepamusoro haagone kugadziriswa mushure mekudurura.
Iyo inonyanya kushanda nzira yekudzora ndeyekumisikidza inogoneka yekutarisa padanho rega rega rekugadzira, pane kuvimba zvachose nechikamu chekupedzisira chekuongorora.
Iyi nzira inobata zvikanganiso zvinodzivisika kare uye inodzivirira mabheji ese kubva pakuraswa.
Pre-kugadzirwa Mold uye Wax Patani Yekuongorora
Kudzora kwehutano kunotanga isati yadirwa chero simbi. Yekutanga yakakosha yekutarisa ndiyo yekutanga wax pateni dimension yekuongorora.
Kunyangwe zvikanganiso zvidiki mupatani yewakisi zvichawanda mushure mekuvaka goko uye kusimba kwesimbi, zvichiita kuti chikamu chekupedzisira chive nekushivirira.
Maitiro akajairika ndeyekuongorora yekutanga wakisi pateni kubva kune yega yega yakagadzirwa inomhanyisa 2D yakazara kudhirowa, pane kungotarisa mashoma mashoma akakosha.
Zvikwata zvinofanirwa kuonawo kuti hapana makwinya, mitsetse yekuyerera kana majekiseni epatani aripo pachikamu chewakisi, sezvo izvi zvichizoenda pasimbi yekupedzisira.
Kugadzira Shell uye Kudurura Maitiro Kudzora
Iyi ndiyo inonyanya kufuratirwa yemhando yekutarisa kune vakawanda vatengi, nekuti iyo shell yekuvaka maitiro inoitika mukati meiyo yekutanga uye haiwanzo kuoneka kune vatengi.
Huwandu hwemaceramic coating layers, iyo inodzorwa yekuomesa nguva pakati pega rega, uye yekupedzisira-yepamusoro-tembiricha yekupisa goko rekupisa zvese zvinokanganisa yakananga yekupedzisira yekukanda mhando.
Kusakwana kuomeswa nguva pakati pemajasi kunotungamirira kune akanyorova, asina simba mateko anotsemuka nyore nyore kana kukanganisa panguva yekudira.
Kupisa kwewakisi kusina kukwana kunosiya kabhoni mukati me mold, iyo inopindirana nesimbi yakanyungudutswa uye inokonzera kukanganisa.
Kuona kuti mutengesi anotevera akanyorwa madhiri madhiri, pane kumhanyisa kugadzirwa kuti asangane nenguva yakatarwa, ndiyo imwe yenzira dzakavimbika dzekudzikisa hurema husingatarisirwi.
Yekupedzisira Dimensional uye Isiri-inoparadza Testing
Mushure mekukanda, kugogodza-kunze uye kupedzisa, nhanho yekupedzisira yekuongorora inosimbisa kana zvikamu zvinozadzisa zvese zvakatsanangurwa zvinodiwa.
Izvi zvinofanirwa kusanganisira kutariswa kwedimensional pane dzakakosha mating nzvimbo, kuongororwa kwekuona kwekutsemuka kwepasi uye hurema, uye kwakakodzera kusaparadza kuyedzwa kwakasarudzwa zvichienderana nechikamu chekupedzisira kushandiswa.
Kune zvikamu zvinoshandiswa mukumanikidza-ine kana yakakwirira-kutenderera mitoro maapplication, mwero wekuwedzera cheki unosanganisira kumanikidza leak kuyedzwa, fluorescent penetrant inspector yekutsemuka kwepasi, uye mune dzimwe nguva X-ray yekuongorora kuona yakavanzika yemukati shrinkage iyo yekuona kuongorora haigone kuwana. gwara kune vepamusoro mari yekukanda vatengesi.
Maitiro ekuongorora iyo Investment Casting Supplier's Real process Kugona
Iwe haufanirwe kushanyira iyo foundry iwe pachako kuti uite inonzwisisika yekutanga ongororo yeiyo chaiyo yemhando yekudzora kukura.
Mibvunzo yakati wandei yakapusa uye cheki yegwaro inogona kukubatsira kusefa vatengesi vanongoburitsa zvinoenderana zvakaderera-mhando inobuda.
- Bvunza kana vakachengetedza marekodhi ehurongwa hwemagoko akaverengeka, kupisa kwekupisa uye tembiricha yekudurura kwebatch yega yega.
- Simbisa kana mutengesi achipa yakazara yekutanga chinyorwa chinyorwa chekuongorora chinosanganisira marekodhi ekuyerwa, zvinyorwa zvekuyedzwa kwezvinhu uye hurema hwekuongorora mhedzisiro yemitambo mitsva yekugadzira.
- Bvunza kuti uone ichangoburwa chinyorwa chekuongorora mishumo yezvikamu zvakafanana, kuratidza iwo chaiwo dimensional yekuongorora chiyero inoenderana nezvinodiwa zvako zvekudhirowa.
- Simbisa kana yavo yakajairwa post-casting kurapwa inosanganisira kuzorora kwekushushikana, izvo zvinoderedza zvakanyanya njodzi yekuvanzwa kukanganisa uye kuputika muzvikamu zvakaoma zvealloy.
Paunenge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchingerwa mari yekukanda zvikamu, kuongorora izvi maitiro ekudzora zviratidzo pakutanga mukuongororwa kwemupi kunobatsira kudzivirira akawanda anodhura emhando inokatyamadza gare gare.
| Common Defect Type | Primary Origin Process | Kurumidza On-saiti Kuongorora Method |
| Gas Porosity | Kudururira uye shell kutsva | Ongorora nemaziso nzvimbo dzakagadzirwa nemavhodhi madiki akatenderedzwa |
| Solid Inclusions | Kugadzirwa kweshell uye kunyunguduka kwesimbi | Shandisa penetrant test kuti uone dzakaoma dzisiri dzesimbi makwapa ari pachena pamusoro |
| Shrinkage Cavity / Micro Porosity | Gating dhizaini uye kusimba | Ita bvunzo yekubvuza kana sampuli nzvimbo X-ray yekuongorora pane dzakakora zvikamu |
| Surface Cracking | Kutonhodza uye shell inogogodza-kunze | Shandisa yakakurisa yekutarisa yekuona kana yekupinda yekuongorora pamakona akapinza uye nzvimbo dzakatetepa-dzakachinjika. |
| Chikamu Kukanganisa | Wax pattern uye post-durung kutonhora | Enzanisa zviyero zvakakosha zvegungano zvinopesana nedhirowa kushivirira |
Mibvunzo Inowanzo bvunzwa
Ndingaite sei kuti ndideredze njodzi yekukanda chirema padanho rekudhirowa?
Iwe unogona kudzikisa zvakanyanya hurema hwepashure nekudzivirira kukurumidza, kusachinjika shanduko muukobvu hwemadziro, kuwedzera chaiyo yakatenderedzwa radii pamakona ese akapinza, uye kutaurirana nemutengesi wako izvo zviyero zvakakosha pakuungana.
Aya madiki magadzirirwo ekugadzirisa anoita kuti kusimba kwekutungamira kuve nyore kudzora.
Ndeipi yakajairika dimensional kushivirira inogona chiyero chekudyara kuburitsa?
Pasi pemamiriro ekunze asiri-post-machining, kune yakawanda yakajairwa kabhoni simbi uye yakaderera alloy zvikamu mukati me300mm yakakura dimension, yakanyatsodzorwa yekudyara kukanda kunogona kuchengetedza kushivirira kwakatenderedza ± 0.5mm pa50mm dimension, pasina inoda yakakura post-casting machining.
Kushivirira kwakasimba kunogoneka, asi kazhinji kunoda ekuwedzera sekondari saizi mashandiro mushure mekukanda.
Zvikamu zvine hukuru hwakakura hwese kana yakakosha yepamusoro-alloy zvinhu zvingada zvakagadziridzwa kushivirira mataurirwo akasimbiswa nemutengesi pachine nguva.
