Ha ntlo ea pompo ea hydraulic e hlōleha tlas'a khatello ea 350-bar, kapa cobalt alloy nozzle e phunye ka mor'a lihora tse 200 tšebeletsong ea khase e bolila, sesosa sa motso ke seoelo se entsoeng - se nepahetse. Eseng feela "mamello e thata," empa botsitso ba litekanyo ho pholletsa le lipotoloho tsa mocheso, ho tšoana ha microstructural likarolong tse teteaneng, le botšepehi bo ka holim'a metsi bo thibelang khoholeho ha u ntse u boloka geometry e tiisa. Ke ka lebaka leo baenjiniere ba batlang likarolo tsa tšepe tse bohlokoa haholo ba sa batleng "bafani ba thepa." Ba batla a fektheri e phahameng ea ho lahla—e nkang metallurgy, machining, le tlhahlobo e le lithuto tse ke keng tsa aroloa.
Hobaneng "Ho nepahala ho Phahameng" e se Nako ea Papatso Feela — Ke Moeli oa Ts'ebetso
Mekhatlo e mengata e laola ho fokotseha ha ± 1.5 mm ka 100 mm. Feme ea 'nete e phahameng e ts'oara ± 0.15 limilimithara libakeng tsa bohlokoa tsa datum-esita le ka li-45-kg tsa tšepe tse nang le mefuta e fapaneng ea mabota a 12-mm. Joang? Ka ho notlela mefuta e fapaneng ea ts'ebetso pele e tšolloa: boima ba hlobo bo lekantsoeng ka kPa, li-profiles tsa pheko ea binder tse netefalitsoeng ka sehlopha ka seng, le ketsiso ea liheke e netefalitsoeng khahlano le nako ea ho tlatsa ea 'nete (e sa hakanyetsoang). Re bone bareki ba hana likarolo eseng bakeng sa porosity e bonahalang, empa hobane lisebelisoa tsa CMM li senotse ho sotha khatello ea kelello ea 8-µm ka mor'a phekolo ea mocheso-ho sotha ho sa bonahaleng ka leihlo kapa caliper, leha ho le joalo ho lekaneng ho fetola setulo sa valve ka 0.003 °. Ke moo ho nepahala ho fellang teng le ho tšepahala ho qala.
Bokhoni ba 'nè bo Arolang ho Lahlela ka mokhoa o nepahetseng ho tloha ho Standard Foundry Work
Fektheri e phahameng e nepahetseng ea ho lahla ha e felle feela. E na le ketane e felletseng - ho tloha khethong ea alloy ho isa netefatsong ea ts'ebetso. Sena ke se bolelang ka ts'ebetso:
- Cobalt-nickel mastery-eseng feela ho tšoara AMS 5387, empa ho bolela esale pele boitšoaro ba eona. T800 alloy ha e "thata ho e etsa mochini." Ha e tsitsa ka mocheso ho feta 650 ° C. Kahoo re futhumatsa liforomo ho 220 ° C ± 5 ° C, li-castings tse pholileng ho ≤1.2 ° C / min libakeng tse laoloang tsa sepakapaka, 'me re hlophisa CNC roughing pele ho phomolo ea ho qetela ea khatello ea kelello. Ho tlola mehato efe kapa efe ho beha kotsi ea li-microcracks tse hlahang feela nakong ea tlhahlobo ea hydrostatic.
- Khokahano e otlolohileng e thibelang tolerance stack-up. Ha ntlo ea cylindricity ea pompo ea piston e hloka 0.01 mm cylindricity holim'a 280-mm bore * le * 0.05 mm boemo ba mamello bakeng sa likhoele tse tšeletseng tsa M12 tse amanang le bore eo, ho lahlela ka ntle, ho sebetsa ka mechine le ho qeta ho tiisa hore ho na le metsi. Re lahlela, mochini, ho futhumatsa mocheso, 'me re qeta setsing se le seng-re sebelisa sebopeho se tšoanang sa CMM bakeng sa tlhahlobo e tlang le tokollo ea ho qetela.
- Tlhahiso e tsamaisoang ke GD&T-eseng ho taka tlhaloso. Bareki ba re romella litšoantšo tse nang le li-callout tsa ASME Y14.5-2018: “|POSITION|0.02|A|B|C|.” Ha re botse "See se bolela'ng?" Re etsa 'mapa oa datum e' ngoe le e 'ngoe ho ea ka lisebelisoa tsa 'mele, re etsisa ho tlosoa ha lintho tse mpe, le likhohlano tsa lifolakha *pele* ho hlahisa lisebelisoa. Moreki e mong oa Europe o bolokile $210K ha a sebetsa bocha ka ho ts'oara ho se nepahale ha datum B nakong ea tlhahlobo ea rona ea tlhahiso-libeke tse tharo pele ho tšela tšepe ea pele.
- Traceability e qalang ka li-certs tsa thepa e tala-eseng linomoro tsa batch. Mocheso o mong le o mong oa motsoako oa cobalt o fihla ka tlhahlobo e felletseng ea spectrographic, tlaleho ea boholo ba lijo-thollo, le data ea liteko tse thata. Re e kenya ka har'a sistimi ea rona, re e hokahanya le lotho ea ho lahla, ebe re tlama lotho eo ho nomoro e 'ngoe le e' ngoe e entsoeng ka mochini. Haeba motheo oa pompo o hloleha ho lihora tse 15,000 tsa ts'ebetso, re theha nalane eohle bocha: letsatsi la ho qhibiliha, mocheso oa tšollo, sekhahla sa ho pholisa, ho bala ka thata, esita le ID ea opareitara e tsamaisitseng tlhahlobo ea ho qetela ea CMM.
Litsenyehelo tsa 'Nete tsa "Ho Leka ho Lekaneng" ho Lahla-Le Hobane'ng ha ho sa Fetohe
Bareki ba bang ba bapisa litheolelo tse ipapisitseng le theko ea unit feela. Empa ak'u nahane ka sena: $480 cobalt alloy plug ho ea ho ± 0.5 mm e bitsa 37% ka tlase ho ea pele ho e tšoaretsoeng ho ± 0.12 mm. Leha ho le joalo karolo e hlephileng e hloka li-machining pass tse 2.3, e hlahisa lisebelisoa tse eketsehileng tsa 41%, 'me e na le sekhahla se phahameng sa 22% sa likhahla nakong ea tlhahlobo ea ho qetela ea ho lutla. Kakaretso ea litšenyehelo tse fihletsoeng? $612. Ho hobe le ho feta, ho hloleha ha masimo ho baka likopo tsa waranti ka karolelano ea 4.7 × theko ea karolo - le ts'epo ea tšenyo ea hore ha ho theolelo e tla khutla. Precision ha se tlatsetso. Ke motheo oa ts'ebetso e lebelletsoeng esale pele.
Ho Khetha Feme ea Hao e Phahameng ka ho Fetisisa: Licheke tse tharo tse sa Buisanoeng
Pele o saena NDA, netefatsa tsena - eseng ka libukana, empa bopaking ba mabenkele:
- Botsa litlaleho tsa CMM mabapi le likarolo tse tharo tsa morao-rao tsa geometry e tšoanang. Batla ho kheloha ha maemo ho sa fetoheng - eseng feela "ka har'a spec." Phatlalatso ea ± 0.005 mm ho pholletsa le litekanyo tse 20 e u bolella ho feta setempe se le seng sa ho pasa.
- Kopa micrograph ea karolo e fapaneng ea papali e felileng. Sebopeho sa lijo-thollo se lokela ho ba se ts'oanang, se arohaneng sa letsoho la dendrite se tiee 'me se lebe moo - eseng ka tšohanyetso kapa se arohane. Porosity e tlameha ho ba chitja le ho itšehla thajana, ho se mohla e hokahaneng.
- Ela hloko tšebetso ea bona ea GD&T. Sheba kamoo ba thehileng karolo e rarahaneng ho CMM. Na ba sebelisa lisebelisoa tsa kinematic? A na li netefatsa tlhahlobo ea probe *pele ho skena? Haeba ba tlola e 'ngoe, mamello ea hau ke ea theory.
Ho tšepahala ha ho finyelloe ka ho tiisa lintlha. E hahiloe ka ho utloisisa hore na tšepe e qhibilihisitsoeng e phalla joang, li-alloys li arabela joang ho li-gradients tsa mocheso, le hore na matla a machining a sebelisana joang le microstructure ea as-cast. QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. e sebetsa e le fektheri e nepahetseng ea ho lahla hobane qeto e 'ngoe le e' ngoe-ho tloha ka boholo ba lijo-thollo tsa lehlabathe ho ea ho spindle RPM-e etsoa ho felisa ho fetoha, eseng ho e laola. Mosebetsi oa bona o hlaha ka lipompong tse sutumetsang metsi a leoatle botebong ba limithara tse 1 200, litšepe tsa li-winch tse phahamisang likarolo tsa koloi tsa boenjiniere tse boima ba lithane tse 42, le li-valve tse laolang phallo ea haedrojene liteisheneng tsa ho tlatsa mafura. Precision ha se sepheo sa bona. Ke sebōpeho-puo sa bona. ’Me likarolong tsa tšepe tse phahameng haholo, sebōpeho-puo ke sona se lekanyetsang hore na tsamaiso e sebetsa—kapa ea hlōleha.
