Kana iyo hydraulic pombi imba ikatadza pasi pe350-bar kumanikidzwa, kana cobalt alloy nozzle inotsemuka mushure memaawa mazana maviri muvhisi gasi sevhisi, iyo midzi inokonzeresa haiwanzo dhizaini - ndeyechokwadi. Kwete chete "kushivirira kwakasimba," asi kugadzikana kwedimensional kutenderera kutenderera kwemafuta, microstructural kufanana kuburikidza nezvikamu zvakakora, uye kutendeseka kwepamusoro kunopokana nekukukurwa uchichengetedza chisimbiso chejometri. Ndosaka mainjiniya ari kutsvaga mishini-yakakosha simbi zvikamu zvisingatsvage "vanopa vatengesi." Vanotsvaka a high precision kukanda fekitari-iyo inobata simbi, machining, uye kuongorora sezvirango zvisingaparadzanisiki.
Nei "Kunyatsojeka" Isiri Ingori Nguva Yekushambadzira-Iyo Muganho Wekuita
Mazhinji mafekitori anodzora kukanda kuderera mukati me ± 1.5 mm pa100 mm. Fekitori yechokwadi yepamusoro-soro yekukandira inobata ± 0.15 mm panzvimbo dzakakosha dzedatum-kunyangwe pa45-kg iron castings ine 12-mm madziro akasiyana. Sei? Nekuvhara maitiro akasiyana asati adururwa: mold compaction density yakayerwa mu kPa, binder cure profiles yakasimbiswa pabatch, uye gating simulation yakasimbiswa zvichienderana nenguva chaiyo yekuzadza (isina kufungidzirwa). Isu takaona vatengi vachiramba zvikamu kwete zvekuoneka porosity, asi nekuti CMM scans yakaratidza 8-µm yakasara yekushushikana kusagadzikana mushure mekupisa kupisa-kukanganisa kusingaonekwe neziso kana caliper, zvakadaro zvakakwana kushandura chigaro chevharuvhu ne0.003 °. Ndiko uko kunyatsopera kunopera uye kuvimbika kunotanga.
Mano mana Anopatsanura Yakanyanya-Kurukwa Kukandira kubva kuStandard Foundry Basa
Fekitari yekukanda yakakwira haingokande. Ndiyo muridzi wetani izere-kubva pakusarudza alloy kusvika kune inoshanda yekusimbisa. Hezvino izvo zvinoreva mukuita:
- Cobalt-nickel mastery-kwete kungobata AMS 5387, asi kufanotaura maitiro ayo. T800 alloy haina "kuoma muchina." Iyo haina kugadzikana pamusoro pe650 ° C. Saka isu tinopisa molds kusvika 220 ° C ± 5 ° C, inotonhorera castings pa ≤1.2 ° C / min mumafuremu anodzorwa emhepo, uye kuronga CNC roughing pamberi pekupedzisira kushushikana. Kusvetuka chero nhanho kune njodzi microcracks inongoratidzira panguva yekuyedzwa kwehydrostatic.
- Vertical kubatanidzwa kunodzivirira kushivirira stack-up. Kana imba yepiston pombi silinda inoda 0.01 mm cylindricity pane 280-mm bore * uye * 0.05 mm chinzvimbo kushivirira kune matanhatu M12 shinda zvine hukama neiyo bore, kuburitsa kukanda, machining, uye kupedzisa kunovimbisa kudonha. Isu tinokanda, muchina, kupisa-kupisa, uye kupedzisa mune imwe nzvimbo - tichishandisa yakafanana CMM gadziriso yeinouya yekuongorora uye kuburitswa kwekupedzisira.
- GD&T-inofambiswa nekugadzira-kwete kudhirowa kududzira. Vatengi vanotitumira maprints ane ASME Y14.5-2018 callouts: “|POSITION|0.02|A|B|C|.” Hatibvunze kuti "Izvi zvinorevei?" Isu tinomepu dhamu rega rega kune zvigadziriso zvemuviri, kutevedzera zvakanyanya-nyaya yekubvisa zvinhu, uye mureza kunetsana *pamberi* kugadzira maturusi enzira. Mumwe mutengi wekuEurope akachengetedza $210K mukugadzirisa zvakare nekubata datum B zvisizvo panguva yekuongorora kwedu kwekugadzira-masvondo matatu isati yatanga kudururwa simbi.
- Kurongeka kunotanga neraw material certs-kwete nhamba dzebatch. Kupisa kwese kwecobalt alloy kunosvika iine yakazara spectrographic ongororo, saizi yezviyo chirevo, uye tensile bvunzo data. Isu tinoiisa muhurongwa hwedu, tichiibatanidza kune yekukanda mijenya, tozosungira iyo mijenya kune yega yega machine chikamu nhamba. Kana pombi yepombi ikakundikana pa15,000 maawa ekushanda, tinovakazve nhoroondo yese: zuva rekunyunguduka, tembiricha yekudurura, chiyero chekutonhora, kuoma kuverenga, uye kunyangwe ID yevashandisi vakamhanyisa CMM yekupedzisira scan.
Mutengo Wechokwadi we "Zvakanaka Zvakakwana" Kukanda-Uye Nei Zvisina Kuchipa
Vamwe vatengi vanofananidza makotesheni zvichienderana nemutengo weyuniti chete. Asi funga izvi: $480 cobalt alloy plug yakakandwa ku ± 0.5 mm inodhura 37% zvishoma kumusoro pane imwe yakabatwa ku± 0.12 mm. Zvakadaro chikamu chakasununguka chinoda 2.3 yekuwedzera machining pass, inogadzira 41% mamwe maturusi ezvipfeko, uye ine 22% yepamusoro yezvirasha muyedzo wekupedzisira kuvuza. Mutengo wose wakamhara? $612. Zvakatonyanya, kutadza kwemumunda kunokonzeresa zvichemo zvewaranti zvinosvika 4.7 × chikamu chinodhura-uye kukanganisa kuvimba kuti hapana kuderedzwa kunopora. Precision haisi yekuwedzera. Ndiwo hwaro hwekuita zvinofungidzirwa kuita.
Kusarudza Yako Yepamusoro Precision Casting Factory: Matatu Asingataurwi Macheki
Usati wasaina NDA, simbisa izvi-kwete mumabhurocha, asi muuchapupu hwepasi pechitoro:
- Bvunza CMM mishumo pane matatu achangoburwa akawanda eiyo yakafanana geometry. Tsvaga kutsauswa kwakafanana-kwete chete "mukati mekufungidzira." Kupararira kwe ± 0.005 mm kuyambuka 20 kuyerwa kunokuudza iwe kupfuura imwechete pass/foil chitambi.
- Kumbira muchinjika-chikamu micrograph yekukandwa kwapera. Chimiro chezviyo chinofanira kunge chakafanana, dendrite ruoko ruchipatsanurana uye rwakananga-kwete zvisina tsarukano kana kupatsanurwa. Porosity inofanira kuva yakatenderera uye yakaparadzana, isina kumbobatana.
- Tarisa uone kufamba kwavo kweGD&T. Tarisa maitiro avakaita chikamu chakaoma paCMM. Vanoshandisa kinematic mounts? Ivo vanosimbisa probe calibration * vasati * vatariswa? Kana vakasvetuka chero, kushivirira kwako ndeye theoretical.
Kuvimbika hakuwanikwe nekusimbisa specs. Iyo inovakwa nekunzwisisa kuti simbi yakanyungudutswa inoyerera sei, ma alloys anopindura sei kune inopisa gradients, uye kuti machining masimba anopindirana sei ne-akakanda microstructure. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. inoshanda sefekitari yekukandira yakakwira nekuti sarudzo yese-kubva saizi yezviyo zvejecha kusvika kuspindle RPM-inoitwa kubvisa kusiyanisa, kwete kuigadzirisa. Basa ravo rinoonekwa mumapombi anosunda mvura yegungwa pahupamhi hwemamita 1,200, mawinch shafts anosimudza 42-toni dzemotokari dzeinjiniya, uye mavharuvhu anodzora kuyerera kwehydrogen muzero-emission rerefueling zviteshi. Precision hachisi chinangwa chavo. Ndiro girama yavo. Uye muzvikamu zvesimbi zvepamusoro-soro, girama ndiyo inosarudza kana hurongwa hunofamba-kana kuti hunokundikana.
