Kana vanhu vazhinji vakanzwa 'kugadzirwa kwepoda metallurgy', vanobva vangoona kamwe kamupini-and-sinter oparesheni-kusanganisa hupfu, voidzvanya kuita chimiro, vogocha. Ndiyo 101 kosi, asi chokwadi chiri pauriri hwechitoro, kunyanya kana uchibatanidza zvikamu izvi mumagungano makuru kana kukumbira maapplication, imhuka yakasiyana. Hazvisi zvekungogadzira chimiro; ndezvekutonga density gradients, kunzwisisa maitiro ealloying muchimiro chehupfu maringe nekunyunguduka, uye kubata neiyo post-sintering chaiyo yedimensional control. Vazhinji vatengi vanouya kwatiri pa Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) kufunga PM inzvimbo yakachipa yekudonhedza-mukutsiva yemuchina kana chakakandwa chikamu, uye ndipo panotanga seti yekutanga yemusoro.
Mafungiro eNyaya: Haisi Ingori Hupfu Simbi
Imwe yekuchinja kukuru mukufunga inyaya pachayo. Kushanda ne simbi isina tsvina kana nickel-based alloys mukudyara kwedu kwekudyara uye CNC machining mitsara inokupa iwe imwe intuition nezvekuyerera, shrinkage, uye kupfeka chishandiso. Nehupfu, iyo intuition inopinduka. The particle size distribution, the shape (spherical vs. irregular), uye lubricant yakasanganiswa mukati-iwo ose anorayira kuyerera mufa uye yekupedzisira simba rakasvibirira. Isu takachera hupfu hwairatidzika kunge hwakakwana pane pepa pepa asi zvichiramba kuyerera nguva dzose, zvichikonzera kuzadza zvinhu mukushandisa kwakaoma. Iwe unodzidza kubvunza chaiyo yekuyerera mwero bvunzo data, kwete chete chitupa.
Zvadaro pane alloying. Mukunyunguduka, iwe unowana homogeneous musanganiswa. In kugadzirwa kwehupfu metallurgy, unowanzo shanda ne pre-alloyed powders kana diffusion-bonded ones. Iyo sintering mbiri kuti iwane yakakodzera homogenization pasina kukanganisa chikamu ndeye tambo yekufamba. Nokuda kwechikamu chepamusoro-soro isu takafananidzira kushandisa cobalt-based alloy powder, iyo yakajairwa sintering cycle yakakonzera kukura kwezviyo zvakanyanya mune zvimwe zvikamu, zvichiuraya kusakara kwekupfeka. Isu taifanira kudzoka shure uye kushanda nemupi wehupfu kuti tiwedzere nguva-yekushisa chimiro, tichiwedzera kukurumidza kutonhora nhanho post-sinter. Idzi ihondo dzemaoko-pazvinhu izvo zvinyorwa zvinyorwa zvinopenya pamusoro.
Uye kusvibiswa—muurayi akanyarara. Huwandu hudiki hwezvinhu zvekunze kana oxidation panguva yekubata hunogona kugadzira nzvimbo dzisina simba. Chiitiko chedu mukuchenesa-mukamuri-yakatarisana maitiro ekudyara mari kwakatiita kuti tive neshungu pamusoro peizvi pakutanga. Isu takashandisa zviteshi zvehupfu zvakatsaurirwa, izvo zvaiita kunge zvakawandisa kusvika tatsvaga batch yezvikamu zvine kuomarara kusingaenderane kumashure kumudziyo wekusanganisa wakasvibiswa. The kugadzirwa kwehupfu metallurgy zvakanyanya nezve Logistics uye kuchengetedzwa kwemba sezvazviri nezvemapepanhau.
The Tooling Tango: Apo Theory Inosangana Wear
Tooling ndipo panovanda mutengo uye kuoma. Wese munhu anotarisa pane yekutsikisa tonnage, asi dhizaini yekufa, iyo punch kushivirira, uye kusarudzwa kwezvinhu zvezvishandiso pachazvo ndizvo zvinogadzira kana kuputsa kugadzirwa. Isu tinogadzira uye tinogadzira maturusi emukati-mumba ekukanda uye machining mitsara, saka takaisa pfungwa iyoyo kuPM. Kukanganisa kukuru pakutanga. Kupwanya kwehupfu dzesimbi, kunyanya maaloyi akaomarara, anotsenga kuburikidza nesimbi yemidziyo yakajairwa nekukurumidza kupfuura kucheka simbi musimbi. CNC machining kushanda.
Takadzidza zvakaoma pabasa renguva refu rechikamu chesimbi. Nheyo dzepakati, dzakagadzirwa kubva kune yakajairwa H13 simbi, dzakatanga kuratidza kupfeka mushure memaitiro e20,000, zvichiita kuti zvishoma nezvishoma kuwedzera kwechidimbu dhayamita-kushivirira mutongo werufu. Isu taifanira kumira, kugadzira patsva ne carbide yekuisa yenzvimbo dzakakosha kupfeka, uye kudya nguva yekudzikira. Ikozvino, kusarudzwa kwezvinhu zvekushandisa inzvimbo yekutanga yekukurukurirana kune chero chirongwa chitsva chePM. Haisi chishongedzo; chinhu chinodyiwa chine mutsara wakananga kune yako chikamu chemhando uye ne-chikamu mutengo.
Iyo imwe tooling nuance ndeye ejection. Kutora chikamu chisina kusimba chegirini kubva kune yakaoma kufa pasina kutsemuka kana kucheka inyanzvi. Huwandu hwespringback mushure mekuumbwa hunosiyana ne density uye alloy. Isu takave nezvikamu zvakatsikirira zvinoyevedza asi zvakapwanyika pa ejection nekuti iyo die taper yaive isiriyo kune iyo chaiyo yehupfu musanganiswa. Iwe unokudziridza kunzwa kwacho-dzimwe nguva uchiwedzera hafu-dhigirii yekudhirowa kana kupedzisa kwakasiyana kwepamusoro pamadziro ekufa kunoita mutsauko wese. Iyi haisi software yaunogona kutevedzera zvakakwana; ndiko kuedza, kukanganisa, uye kuona pauriri hwenhau.
Sintering: The Black Bhokisi Isiri
Sintering inowanzobatwa sebhokisi dema danho-mutoro zvikamu, run cycle, unload. Muchokwadi, ndiwo moyo wekuita, uko hupfu hwehupfu hunobatanidzwa pamwe chete uye zvimiro zvekupedzisira zvinozvarwa. Mhepo yevira ndiyo zvese. Iyo inobvisa zvishoma kabhoni mukana mune endothermic gasi inogona decarburize nzvimbo yesimbi, ichiparadza kuoma kwayo. Isu tinomhanyisa kazhinji vacuum kana yakakwirira-kuchena mamiriro ekunze ebasa redu repamusoro-alloy, izvo zvinowedzera mutengo asi kutonga.
Kufanana kwetembiricha ndechimwe chikara. Nzvimbo inopisa ye10-15 ° C muchoto chikuru inogona kukonzera kusiyana kwekuderera, kukanganisa zvikamu. Takamboita batch ye simbi maflange anobuda neuta hunooneka. Kuitevera pasi kwakatitungamira kune inotadza kudziyisa chinhu kugadzira yakavanzika yekupisa gradient. Ikozvino, kuongororwa kwechoto kwenguva dzose nevaroora vanopisa hakugone kutaurirana. Chinhu chekuchengetedza chinokanganisa goho.
Uye chiyero chekutonhora-hachisi chekudzima chete. Kune mamwe martensitic Stainless simbi, mwero wekutonhora kubva kune sintering tembiricha inotaridza kuoma kwe-sintered. Kunyanya kunonoka, uye wakanamatira nechikamu chakapfava chinoda chechipiri kupisa kurapwa, kuwedzera mutengo uye kukanganisa njodzi. Kuwana iyo inotonhora mbiri muchoto pachayo chinhu chikuru chekuwedzera. Apa ndipo panowanikwa makumi emakore ekupisa kwemaitiro kubva kune yedu shell mold casting uye kupisa kurapwa mashandiro akayambuka-mukume zvakananga mukuvandudza yedu PM sintering maitiro.
Post-Processing: Izvo Zvinodiwa Zvakaipa
Kashoma kuti chikamu chePM chibude pabhandi rinopisa rakagadzirira kutumirwa. Vazhinji vanoda imwe nzira yekumashure-kugadzirisa. Apa ndipo pane kugona kwedu kwepakati CNC machining anova anotsoropodza. Machining a sintered chikamu zvakasiyana. Iine porous, iyo inogona kuva yakanaka pakubata mafuta asi inotyisa pakucheka hupenyu hwematurusi-inoshungurudza. Iwe haugone kushandisa mafeed akafanana uye nekumhanyisa senge chinhu chakagadzirwa. Isu takaparadza akawanda ekuisa tisati tafona muma paramita akakodzera, kazhinji tichisarudzira CBN kana maturusi akavharwa nedhaimani kwenguva refu pane zvinhu zvine ferrous.
Kuitwa kwechipiri sekuita saizi (kuisa mari) kana kurapa kwemuputi kwakajairika. Steam kurapa kwepamusoro oxidation uye kuiswa chisimbiso kwesimbi-yakavakirwa zvikamu muenzaniso wekare. Inonatsiridza corrosion resistance uye pressure tightness, asi inoshandurawo hukuru zvishoma uye inowedzera brittle surface layer. Kana iyo chikamu ichida kunotevera machining, iwe unofanirwa kuzviita usati warapa steam. Takatofanira kuteedzerazve maoperation kakati wandei mushure mekuona kutadza kushivirira kwaisakwanisa kuwanikwa post-steam. Zvinokumanikidza kuti ufunge nezvese muitiro cheni kubva kune yekutanga sketch.
Impregnation ndiyo imwe. Kune zvikamu zvine dzvinyiriro, iwe kazhinji unofanirwa kuisa pamuviri neresin kana polymer kusimbisa iyo yakabatana porosity. Iwo manomano ari kuwana kupinda kwakazara pasina kusiya yakashata yakasara pane dzakakomba nzvimbo. Takashanda nenzira dzakasiyana dzekuisa pamuviri — vacuum, kudzvanywa, dip — uye takaona kuti density yechikamu uye chimiro chepore, yakatemerwa kumashure mudanho rekudzvanya, taura kuti ndeipi nzira ichashanda. Ndiyo chain of dependencies inoita kuti kugadzirwa kwehupfu metallurgy chokwadi chakabatanidzwa engineering chirango.
Kubatanidzwa uye Yechokwadi-Nyika Muedzo
Uchapupu hwekupedzisira hunogara huri mugungano kana kushandiswa. A PM giya rinogona kuyedza rakakwana riri roga asi richitadza pasi pemutoro mukutapurirana nekuda kwekusarira kushushikana kana kudzikama density kusiyanisa pamudzi. Basa redu kuQSY rinowanzo sanganisira kupa kwete chete PM chikamu, asi imba yemuchina kana chikamu chakakandwa icho chinobatana nacho. Muono wakatwasuka uyu wakakosha. Isu takabata nyaya dzekupindira muchikamu chekugadzira nekuti taigona kuona kuti chikamu chakanyungudutswa, nebhendi rayo rakasiyana siyana rekushivirira, chaizokwana sei mugungano rekukanda ratanga tichigadzirawo.
Imwe nyaya yaisanganisira chigaro chevharuvhu yakaoma yakagadzirwa kuburikidza nePM kubva kune yakakosha alloy. Yakaita zvakanaka mubvunzo dzeLab asi yakakundikana nguva isati yakwana mumunda. Ongororo yekutadza yakaratidza kushushikana kupfeka kunopesana nemuviri wesimbi isina tsvina. Mhinduro yakanga isiri yekushandura PM chikamu, asi kutsanangura imwe nzvimbo yekupedzisa pane iyo mating cast component yataive tichigadzira mumba. Kuve nekutonga pamusoro pemaitiro akawanda ekugadzira pasi pedenga rimwe pa https://www.tsingtaocnc.com inobvumira aya akazara mhinduro ayo akamira PM shopu anganetsa kuona.
Saka, pandinofunga nezve kugadzirwa kwehupfu metallurgy, haisati ichingova mapepanhau. Iyo symphony yehupfu sainzi, hunyanzvi hwekushandisa, manejimendi ekupisa, uye mushure mekugadzirisa kupedzisa, zvese zvakabatanidzwa nekunzwisisa kwakadzama kwemaitiro emidziyo. Icho chishandiso chine simba, asi icho chinoda kuremekedzwa kwezvimiro zvayo. Chinangwa hachisi chekuita chikamu chakachipa; ndiko kugadzira chikamu chinoshanda chakavimbika chinoshanda munyika chaiyo, kazhinji sechikamu chehurongwa hombe hwatinobatsira kuunza hupenyu.
