Kungani Ubuningi kanye Nokuzinza Kwesakhiwo Kunquma Ukunemba Kokulinganisa kwe-CMM

Abasebenzisi abaningi badidanisa ubulukhuni bezinto ezibonakalayo nokuqina kwesakhiwo, kodwa ekusebenzeni kwesikhathi eside kwe-CMM,ubuningi buyimfuneko yokumelana nokudlidliza okuphumelelayo kanye nokuqina komthwaloAmatshe ajwayelekile e-marble kanye namatshe aphansi asetshenziswa abakhiqizi abancane aqukethe okusanhlamvu kwangaphakathi okukhululekile, imigodi emincane eminingi kanye nokuqina okuphansi. Nakuba zingahlangabezana nezidingo zokuhlanganiswa okuyisisekelo, ukuqina kwazo okuphansi akukwazi ukumelana nokudluliswa kokudlidliza okuncane kanye nomthelela womthwalo oguqukayo ezindaweni zezimboni.

I-granite emnyama eyenziwe ngokwezifiso ye-ZHHIMG yezisekelo ze-CMM ifinyelela ubuningi obuphezulu obucishe bube ngu-3100kg/m³, isibonakaliso esiyinhloko esidlula kakhulu itshe elivamile kanye nezinto zensimbi ezingaphelele. Ubuningi obuphezulu buletha izinzuzo ezimbili zezimboni ezingenakuguqulwa zemishini ye-CMM. Okokuqala, inikeza ukungabi namandla kwesakhiwo okuphezulu kakhulu. Ngesikhathi sokunyakaza okusheshayo okuphindaphindayo kwe-gantry ye-CMM kanye nezingxenye zokulinganisa, isisekelo ngeke sikhiqize ukuthuthumela okuncane noma ukuthuthumela okunwebekayo ngenxa yomthelela oguquguqukayo, okuqinisekisa ukuthi i-datum ye-axis coordinate emithathu ihlala izinzile ngaphandle kokulungiswa ngesikhathi sokulinganisa kwesikhathi sangempela.

Okwesibili, isakhiwo sekristalu esiqinile esinobukhulu obuphezulu sinamandla emvelo okunciphisa kakhulu umswakama. Singakwazi ukumunca kahle futhi sinciphise ukudlidliza okuncane okuzungezile okungu-1–100Hz okutholakala ezindaweni zokusebenzela — kufaka phakathi ukuzwakala kokusebenza kwemishini, ukudlidliza kokuhamba phansi kanye nokuphazamiseka kokugeleza komoya. Sigwema ngokuphelele "inkinga yokukhulisa ukudlidliza" kwezisekelo zamatshe eziqinile nezincane, siqinisekisa ukuthi ukuxhumana ngakunye kwe-probe kanye nokutholwa kwedatha kusesimweni esingaguquki nesizinzile. Lesi yisizathu esiyinhloko sokuthi kungani ama-CMM e-semiconductor aphezulu kanye nama-CMM ebanga lezindiza athatha ubuningi obungu-3100kg/m³ njengendinganiso yezinto ezidingekayo.

Uma ubuningi bunqumaukunemba kokulinganisa okusheshayokwe-CMM, ukuzinza kwesakhiwo kubusaukunemba kwesikhathi esidekwemishini. Ukulinganisa kwezimboni akuyona into etholakala kanye kuphela, kodwa ukukhishwa kwedatha kwesikhathi eside, okuphindaphindwayo nokuphindaphindwayo. Ukwehluleka okuningi kokunemba kwemishini ye-CMM esigabeni sakamuva akubangelwa ukuguga kwezingxenye, kodwa ukuguquguquka okuhamba kancane kanye nokugeleza kwedatha kwezisekelo ezizinzile.

Ngokungafani nensimbi ephothiwe, i-aluminium alloy kanye nezinto zokwenziwa zokwenziwa ezinezinkinga zangaphakathi kanye nezingozi zokuguga, i-granite emnyama eqondile ye-ZHHIMG yakha isakhiwo esizinzile sama-molecule ngemva kwamakhulu ezigidi zeminyaka yokuguga kwemvelo, ngaphandle kokucindezeleka kwangaphakathi okusele. Ngeke ikhiqize ukugoba okuzenzakalelayo, ukugoba noma ukuguquka kokucwila ngokwandiswa kwesikhathi sesevisi. Ezindaweni zokusebenza isikhathi eside ezinomthwalo ophezulu kanye nezimo zokushisa eziyinkimbinkimbi kanye nomswakama, ukuthamba, ukunemba kanye nokuma kwesisekelo se-CMM kungagcina ukuzinza kwezinga le-nano unomphela.

Ezimweni zangempela zokusetshenziswa kwe-workshop, umehluko wokushisa wezinsuku kanye nokushintsha komswakama wezinkathi akunakugwenywa. Izisekelo zensimbi zivame ukwanda kokushisa kanye nokuguquguquka kokuncipha, okuholela ekuphambukeni kokuma kwe-three-axis kanye nokufuduka kwe-datum, okudinga ukulinganiswa okuvamile ngesandla kanye nokubuyiselwa kwezinga lokushisa. Ngokuphambene nalokho, i-granite ezinzile kakhulu ine-coefficient yokwanda kokushisa ephansi kakhulu, kanti ukuguqulwa kokushisa kuyingxenye nje yensimbi ephonswe ngensimbi. Ingacindezela amaphutha okukhukhuleka kwezinga lokushisa ngezinga elikhulu, inciphise ukuncika kwezinhlelo ze-CMM ekunxephezelweni kwe-algorithm, futhi iqinisekise idatha yokuthola ehambisanayo nethembekile unyaka wonke.

Imboni ye-metrology enembile kakhulu ibilokhu ilandela umthetho wensimbi othiukunemba akukwazi ukubekelwa phansiNjengamanje, imikhiqizo eminingi esekelayo ye-CMM eshibhile emakethe isebenzisa imabula evamile enobukhulu obuphansi, ukuthungwa okuxekethile kanye nokuqina okungekuhle ukuze ithathe indawo ye-granite emnyama esezingeni eliphezulu. Izinto ezinjalo ezingabonakali kahle zibonakala zingabonakali ngokubukeka, kodwa zineziphambeko ezibulalayo ekusebenzeni kwe-metrology.

Imabula ephansi kakhulu ithambekele ekuguqulweni kokucindezelwa, ukuguguleka kanye nokuguqulwa kokumuncwa komswakama. Ngemva kwesikhathi esifushane sokusebenza kwemishini, i-database eyisisekelo izoshintsha kancane, okuholela ekubekezelelweni kokulinganisa okuhle nokubi okungaguquki, ukuphindaphindeka okubi kwedatha yokuthola i-batch, kanye nokwahlulela kabi izingxenye zomsebenzi ezifanelekile. Lolu hlobo lwephutha lokulinganisa elingabonakali luzothinta ngqo ukulawulwa kwekhwalithi yomkhiqizo kanye nokunemba kokukhiqizwa kwezimboni, okuletha izingozi ezifihliwe kulo lonke uchungechunge lokukhiqiza olunembile.

Ngokunamathela esibophezelweni samakhasimende esithi “Akukho ukukopela, Akukho ukufihla, Akukho ukudukisa”, i-ZHHIMG imelana ngokuqinile nokufakwa kwezinto ezisezingeni eliphansi. Silawula ngokuqinile izinga eliphakeme lokuxinana kwezinto zokusetshenziswa elingama-3100kg/m³, futhi sifanisa ubuchwepheshe bokugaya ngesandla obunembile kakhulu kanye nezindinganiso zokucubungula ze-workshop ezingashintshi izinga lokushisa nomswakama. Isisekelo ngasinye se-CMM granite sisusa izingozi zokusebenza kwezinto ezivela emthonjeni, siqinisekisa ukuthi imishini igcina umkhiqizo onembile kakhulu wezinga lezimboni amashumi eminyaka.                                                                                                                                                 

Ukusebenza kahle kwezinto ezibonakalayo kudinga ubuchwepheshe benqubo yobungcweti ukuze kukhishwe inani eliphezulu. Ithembele esisekelweni sokukhiqiza esijwayelekile esingu-200,000 ㎡ kanye nemishini yokugaya emikhulu kakhulu emhlabeni, i-ZHHIMG iqaphela ukucutshungulwa okuhlanganisiwe kwezinto zokusetshenziswa ze-granite ezixinene kakhulu. Indawo yokusebenzela engenazintuli engu-10,000 ㎡ engaguquki kanye nomswakama kanye nesakhiwo somsele wobungcweti esivikela ukushaqeka kususa ukuphazamiseka kwangaphandle enkambisweni yokukhiqiza, kuyilapho ochwepheshe bokugaya abaphezulu abaneminyaka engaphezu kuka-30 besebenza kahle bepholisha isisekelo sibe yi-nano-level flatness.

Yonke imikhiqizo ihambisana nezindinganiso zomhlaba wonke ze-metrology zamazwe amaningi, futhi ilinganiswa ngemishini yokuhlola ephezulu njenge-German Mahr kanye ne-British Renishaw, enesitifiketi se-metrology sikazwelonke esilandelekayo. Sihola embonini ngesitifiketi sesistimu ye-ISO esigcwele kanye nobuchwepheshe obunelungelo lobunikazi bamazwe ngamazwe, sinikeza abakhiqizi bemishini ye-CMM yomhlaba wonke izixazululo zesisekelo se-granite esinobukhulu obuphezulu, ukuzinza okuphezulu kanye ne-zero-datum-drift precision.

Kumishini yokulinganisa ye-CMM coordinate, ama-probe anembile kanye nesofthiwe "yisistimu yokubona" ​​​​yemishini, kuyilapho isisekelo se-granite esinobukhulu obuphezulu kanye nokuzinza okuphezulu "siyisisekelo samathambo" sazo zonke izindlela zokulinganisa ngokunemba. Izinto ezinobukhulu obuphezulu kuphela ezingamelana nokudlidliza kwezimboni kanye nokuphazamiseka komthwalo oguqukayo, futhi isakhiwo se-granite esizinzile semvelo kuphela esingafeza ukusebenza kwesikhathi eside kwe-zero-datum-drift.

Inamathela kunqubomgomo yekhwalithi ethi “Ibhizinisi elinembile alikwazi ukuba nzima kakhulu”, i-ZHHIMG ihlala ithatha ukusebenza kwezinto ezibonakalayo kanye nokuzinza kwesakhiwo njengezindinganiso zokukhiqiza eziyinhloko, iqhubeka nokunikeza imboni enembile kakhulu ubuchwepheshe obusha kanye nobuciko obuyinkimbinkimbi, futhi ihlinzeka ngokusekelwa okunembile okuhlala njalo nokuzinzile kwemishini ye-metrology esezingeni eliphezulu emhlabeni jikelele.