Imeko ye-dimensional metrology iye yatshintsha kakhulu kwiminyaka engamashumi amabini edlulileyo, iqhutywa luxinzelelo olungapheliyo lokunciphisa amaxesha omjikelo wokuhlola, ukuphucula ukuguquguquka kwemveliso, kunye nokuzisa amandla okulawula umgangatho ngqo kumgangatho wemveliso. Apho xa yonke imilinganiselo yokuchaneka yayifuna ukuthutha izinto ukuya kwiilabhoratri ezilawulwa bubushushu ezineematshini zokulinganisa ezinkulu zohlobo lwebhulorho, iindawo zokwenza izinto zanamhlanje zifuna izisombululo zokulinganisa ezinokuhamba ziye kwindawo yokusebenza endaweni yokufuna ukuba indawo yokusebenza iye kwinkqubo yokulinganisa. Ngaphambili kolu tshintsho kukho umatshini wokulinganisa ophathwayo, isixhobo esiphathwayo esichanekileyo esitshintshe ngokusisiseko indlela abavelisi abajongana ngayo nokuhlolwa kobukhulu. Nangona ezi zixhobo zizisa ukuguquguquka okungakaze kubonwe kwimisebenzi yokulinganisa, zikwazisa nemingeni emitsha egxininisa ukubaluleka okuhlala kuhleli kwemigaqo esisiseko ye-metrology, kubandakanya imfuneko ebalulekileyo yepleyiti yomphezulu wokulinganisa njengomgangatho wesalathiso.
Uhambo oluya ekulinganisweni okuphathekayo lwaqala ngokuqaphela ukuba oomatshini bokulinganisa abaqhelekileyo, nangona bechanekile kwaye benamandla angaqhelekanga, babeka imida ebalulekileyo kwimisebenzi yokuvelisa. Izinto ezifuna ukuhlolwa kwafuneka zisuswe kwizixhobo zokuvelisa, zithuthwe ziye kwiilebhu zemetrology ezizinikeleyo, ziqhelane neemeko ezilawulwayo zendalo, zilungiswe ngokufanelekileyo, zilinganiswe ziingcali eziqeqeshiweyo, zize zibuyiselwe kwimveliso. Kwimveliso yomthamo omkhulu enemilo embalwa yenxalenye, le nkqubo inokulungiswa kwaye ifakwe kwiishedyuli zemveliso. Kodwa kwiivenkile zemisebenzi ezisingatha iijometri ezahlukeneyo zenxalenye, abavelisi abavelisa iindibano ezinkulu ezingenakususwa lula, okanye imisebenzi efuna impendulo ekhawulezileyo phakathi koomatshini kunye nokulinganisa, imodeli yendabuko yadala imiqobo eyathintela ukwenziwa kunye namaxesha okwandisa i-lead.
Umatshini wokulinganisa ophathwa ngesandla uvele njengempendulo kwezi miqathango, unika amandla okulinganisa kwifomathi ephathwayo enokusetyenziswa naphi na apho kufuneka khona ukulinganisa. Ii-CMM zanamhlanje eziphathwa ngesandla zisebenzisa ubuchwepheshe obahlukeneyo ukuze zifikeleleke kwaye ziguquguquke. Iinkqubo zokulandelela ezibonakalayo zisebenzisa iikhamera kunye nee-reflectors ukulinganisa indawo yee-probes ezingenazingcingo kwindawo enemilinganiselo emithathu, okwenza ukuba imilinganiselo ilinganiswe ngaphandle kwemiqathango yoomatshini yezakhiwo zebhulorho okanye ze-gantry zendabuko. Iinkqubo zeengalo ezidityanisiweyo ezineejoyinti ezininzi ezijikelezayo zivumela abaqhubi ukuba babeke iincam ze-probe phantse kuyo nayiphi na indlela, bafikelele kwiimpawu ezingenakufikeleleka kumatshini wejometri esisigxina. Iinkqubo ezisekelwe kwimbono zilandelela ii-probes eziphathwa ngesandla ngokusebenzisa ii-arrays zekhamera ezintsonkothileyo, zigcina ukuchaneka kokulinganisa ngelixa zivumela inkululeko epheleleyo yokuhambahamba kwindawo yokusebenza.
Okwahlukanisa oomatshini bokulinganisa abaphathwa ngesandla abasebenzayo ngokwenene kwimizamo yokulinganisa ephathwayo yangaphambili kukukwazi kwabo ukugcina ukuchaneka kwenqanaba le-metrology nangona kukho imingeni ekhoyo kwiindawo zevenkile. Ukuguquguquka kobushushu, ukungcangcazela okuvela kwizixhobo ezikufutshane, iimeko zokukhanya ezahlukeneyo, kunye nendlela yokusebenza zonke zizisa imithombo enokubakho yempazamo yokulinganisa eya kususwa okanye incitshiswe kwilabhoratri elawulwayo. Ii-CMM eziphathwa ngesandla eziphambili zijongana nale mingeni ngokurekhoda okunamandla, apho izibonisi ze-optical ezibekwe kwindawo yokusebenza okanye kufutshane nayo zihlala zilandelela nayiphi na intshukumo phakathi kwenkqubo yokulinganisa kunye nenxalenye elinganiswayo. Oku kuvumela inkqubo ukuba ihlawulele ukuphazamiseka kwendalo ngexesha langempela, igcine ukuchaneka nokuba iimeko azilunganga.
Impembelelo esebenzayo yale khono kwimisebenzi yokuvelisa ibe nkulu kakhulu. Iingcali ezisemgangathweni ngoku zinokulinganisa iindibano ezinkulu endaweni, zisusa isidingo sokuqhaqha kunye nokudibanisa kwakhona ebekuya kufuneka ukuba kuzise izinto kwi-CMM emiselweyo. Abasebenzi bemveliso banokuqinisekisa ukuhambelana kobukhulu kwangoko emva kwemisebenzi yokulungisa, benciphisa umngcipheko wokuvelisa inani elikhulu lezinto ezinganyamezelaniyo ngaphambi kokuba ingxaki ifunyanwe. Iinjineli zoyilo zinokubamba idatha yobukhulu ukusuka kwiiprototypes kunye nezinto ezindala zobunjineli obungasemva ngaphandle kokulibaziseka kunye nokuhanjiswa kwezinto zokulinganisa elebhu. Umatshini wokulinganisa ophathwayo uguqule umlinganiselo ukusuka kumsebenzi we-bottleneck waba yinto edibeneyo yenkqubo yokuvelisa.
Sekunjalo, ukuguquguquka okwenza ii-CMM eziphathwayo zibe luncedo kangaka, kudala nemingeni ekufuneka abasebenzisi bayiqonde baze bayilungise. Umatshini wokulinganisa wesiqhelo wohlobo lwebhulorho ufumana ukuchaneka kwawo kwisakhiwo esiqinileyo esifakwe kwisiseko esikhulu, ngokuqhelekileyo ipleyiti yomphezulu wegranite enika uzinzo olulinganayo kunye nokuxinana kokungcangcazela. Ukulungiswa komatshini kunye nokulungiswa kweempazamo kusekelwe kwingcinga yokuba olu lwakhiwo lwesalathiso luhlala luzinzile ngokuhamba kwexesha. Xa kuthathwa imilinganiselo, yenziwa ngokumalunga nenkqubo yokulungelelanisa umatshini, yona ngokwayo echazwa sisakhiwo somzimba somatshini kwaye iqinisekiswe ngokulungiswa rhoqo ngokwemigangatho elandelekayo.
Umatshini wokulinganisa i-coordinate ephathwa ngesandla, ngokwahlukileyo, awuzisi isakhiwo sesalathiso esinjalo sokulinganisa. Inkqubo yokulinganisa i-coordinate kufuneka imiselwe ngokutsha kwiseshoni nganye yokulinganisa, ngokuqhelekileyo ngokulungelelanisa iimpawu zesalathiso kwisixhobo somsebenzi ngokwaso okanye kwizinto zangaphandle zesalathiso ezibekwe ngenjongo. Lo mahluko ubalulekileyo unefuthe elikhulu ekuchanekeni kokulinganisa, ukulandeleka, kunye nenkqubo iyonke yokulinganisa. Ngaphandle kweplani yesalathiso ezinzileyo eqinisekisiweyo ngokulinganisa okufanelekileyo, imilinganiselo ethathwe ngesixhobo esiphathwa ngesandla isenokuhambelana ngaphakathi kodwa ingalandeleki kwimigangatho eyaziwayo.
Kulapho ipleyiti yomphezulu wokulinganisa iba yinto ebalulekileyo khona ekusebenzeni kakuhle kwe-CMM ephathwa ngesandla. Nangona ubuchwepheshe obuphambili buhlanganiswe kwiinkqubo zokulinganisa eziphathwayo zanamhlanje, zisafuna imigangatho yesalathiso apho imilinganiselo yazo inokuqinisekiswa kwaye ilinganiswe khona. Ipleyiti yomphezulu, echanekileyo-yomile ukuya ekubeni tyaba ngokungaqhelekanga kwaye ilinganiswe ngokwemigangatho eyaziwayo efana ne-ISO 8512 okanye i-ASME B89.3.7, inika kanye olu luhlu. Ipleyiti yomphezulu yokulinganisa ngokufanelekileyo isebenza njengendawo esisiseko yesalathiso apho umatshini wokulinganisa ophathwa ngesandla unokuqinisekisa ukuchaneka kwawo kwaye umisele ukulandeleka kwimigangatho yokulinganisa yesizwe.
Ubudlelwane phakathi kwee-CMM eziphathwa ngesandla kunye neepleyiti zomphezulu wokulinganisa bubonakala ngeendlela ezahlukeneyo ezisebenzayo. Ngaphambi kokuba baqale imisebenzi yokulinganisa ebalulekileyo, iingcali zihlala zenza uhlolo lokuqinisekisa ngokulinganisa izinto ezibonakalayo zobukhulu obaziwayo kwipleyiti yomphezulu elinganisiweyo. Olu hlolo luqinisekisa ukuba inkqubo ephathwa ngesandla isebenza ngokweemfuno kwaye ukulinganiswa kwayo kuhlala kusebenza. Ukuba kufunyenwe ukungangqinelani, inkqubo inokulungiswa kwakhona okanye ibuyiselwe kwinkonzo ukuze ivavanywe ngaphambi kokuba ukulinganisa kuqalwe kwakhona. Le nkqubo yokuqinisekisa ibaluleke kakhulu xa ii-CMM eziphathwa ngesandla zisetyenziselwa usetyenziso olufuna ukuchaneka okuphezulu okanye xa iziphumo zokulinganisa ziya kusetyenziswa kwizigqibo zokwamkelwa komgangatho.
Ukulinganiswa rhoqo koomatshini bokulinganisa abaphathwa ngesandla ngokwabo kudla ngokufuna ipleyiti yomphezulu yokulinganisa njengenxalenye yenkqubo yokulinganisa. Uthotho lwemigangatho ye-ISO 10360 luchaza uvavanyo lokwamkelwa nokuqinisekiswa kwakhona kwiintlobo ezahlukeneyo zoomatshini bokulinganisa abalinganiswayo, kubandakanya neenkqubo eziphathwayo. Olu vavanyo lubandakanya ukulinganisa izinto ezilungisiweyo ezineejiyometri ezaziwayo kunye nobukhulu, kwaye imilinganiselo kufuneka ilandelelwe kwimigangatho yesizwe ngothotho olungaqhekekanga lokulinganisa. Iipleyiti zomphezulu ezisetyenziswa kwezi nkqubo zokulinganisa kufuneka zona ngokwazo zilinganiswe ngamaxesha athile, kunye nohlahlo-lwabiwo mali oluqinisekisiweyo olunegalelo ekungaqiniseki ngokubanzi kokulinganiswa kwe-CMM.
Ukubaluleka kokusebenzisa ipleyiti yomphezulu wokulinganisa kunye neeCMM eziphathwayo kudlulela ngaphaya kwemisebenzi yokulinganisa esemthethweni ukuya kwindlela yokulinganisa eqhelekileyo. Xa kulinganiswa ukuthe tyaba, ukufana, okanye ezinye iimpawu zejometri ezifuna iplani yesalathiso, ipleyiti yomphezulu olinganisiweyo inika isalathiso apho iimpawu zomsebenzi zinokuvavanywa khona. I-CMM ephathwayo ilinganisa amanqaku kwipleyiti yomphezulu ukuze imisele iplani yesalathiso, ize ilinganise amanqaku kwiplani yomsebenzi ngokumalunga nale salathiso. Ukuchaneka kwemilinganiselo evelayo kuxhomekeke ngokuthe ngqo kwimeko yokuthe tyaba kunye nemeko yokulinganisa yepleyiti yomphezulu esetyenziswa njengesalathiso.
Abavelisi abasebenzisa oomatshini bokulinganisa abaphathwa ngesandla ngaphandle kokuqwalasela ngokwaneleyo imigangatho yesalathiso kunye neemfuno zokulinganisa banomngcipheko wokubeka ixabiso lotyalo-mali lwabo lokulinganisa. Ukuguquguquka kunye neenzuzo zesantya zokulinganisa okuphathekayo zinokuthotywa ukuba idatha ephumayo ayinayo ukuchaneka kunye nokulandeleka okufunekayo kwizigqibo zomgangatho. Ukulinganisa okukhawulezayo kodwa okungalunganga akuniki nzuzo, kwaye kunokubangela ingozi ukuba kukhokelela ekwamkelweni kweendawo ezinganyamezelaniyo okanye ukwaliwa kweendawo ezihambelanayo. Ipleyiti yomphezulu wokulinganisa, nangona ilula xa ithelekiswa neenkqubo zokulinganisa ze-elektroniki eziphambili, ihlala iyinto esisiseko yokuthembeka kokulinganisa.
Iimfuneko ezisebenzayo zokulinganisa ipleyiti yomphezulu kwizicelo zeCMM eziphathwayo zilandela iindlela ezimiselweyo zokulinganisa. Iipleyiti zomphezulu kufuneka zilinganiswe ngamaxesha athile achazwe yimigangatho efanelekileyo okanye iinkqubo zomgangatho wombutho, ngokuqhelekileyo minyaka le kwiipleyiti ezikwinkonzo eqhelekileyo. Ukulinganisa kufuneka kwenziwe ziilabhoratri zokulinganisa ezivunyiweyo ezinezakhono ezilandelelwa yiziko zokulinganisa zesizwe. Isatifikethi sokulinganisa kufuneka sibhale ukuphambuka kokuthe tyaba kumphezulu wepleyiti, ukungaqiniseki kokulinganisa, kunye nemigangatho yesalathiso esetyenzisiweyo. Nasiphi na ipleyiti yomphezulu engaphumeleliyo ukuhlangabezana nokunyamezelana okuthe tyaba okuchaziweyo kufuneka siphinde sibekwe okanye sitshintshwe ngaphambi kokuba sibuyiselwe kwinkonzo.
Ulawulo lokusingqongileyo lwendawo apho ukulinganiswa kwenzeka khona lubalulekile nakwimisebenzi ye-CMM ephathwa ngesandla enokwenzeka kwiimeko ezingalawulwa kakhulu. Ipleyiti yomphezulu wokulinganisa esetyenziselwa ukuqinisekisa kunye nokulinganisa iinkqubo zokulinganisa eziphathwayo kufuneka igcinwe kwindawo enobushushu obuzinzileyo, obuhlala bulawulwa ukuya kuma-degrees Celsius angamashumi amabini kunye nokunyamezela okuqinileyo kokutshintsha kobushushu. Ukuguquguquka kobushushu kuchaphazela zombini ipleyiti yomphezulu kunye ne-CMM ephathwa ngesandla, okunokubangela iimpazamo kwimilinganiselo yokulinganisa enokuphazamisa ukusebenza kokulinganiswa. Ngelixa ii-CMM eziphathwa ngesandla zenzelwe ukunyamezela utshintsho lokusingqongileyo olufunyanwa kumgangatho wemveliso, imisebenzi yokulinganisa ifuna iimeko ezilawulwa ngakumbi ngokwesiko ezinxulumene nokulinganisa ngokuchanekileyo.
Uphuhliso oluqhubekayo lwetekhnoloji yokulinganisa oomatshini abaphathwa ngesandla luyaqhubeka nokwandisa amandla abo kunye nokusetyenziswa kwabo, kodwa aluzange lususe imigaqo esisiseko ye-metrology elawula yonke imilinganiselo echanekileyo. Ukulandelelana kwemigangatho eyaziwayo, ukuqinisekiswa kokusebenza kwenkqubo yokulinganisa, kunye nokuqwalaselwa ngononophelo kwimigangatho yesalathiso kusasele kuyizinto ezibalulekileyo zomgangatho wokulinganisa. Ipleyiti yomphezulu wokulinganisa, kude nokuba iphelelwe lixesha yitekhnoloji yokulinganisa ephathekayo ephucukileyo, iye yaba yinto ebaluleke ngakumbi njengomgangatho wesalathiso ovumela ii-CMM eziphathwa ngesandla ukuba zifezekise isithembiso sazo sokulinganisa okuchanekileyo nokulandelekayo naphi na apho zifuneka khona.
Imibutho yokuvelisa esebenzisa ubuchwepheshe be-CMM ephathwayo kufuneka iphuhlise iinkqubo zolawulo lwenkqubo yokulinganisa ezibanzi ezijongana nobuchule bezixhobo eziphathwayo kunye neemfuno zokuxhasa iziseko zophuhliso, kubandakanya imigangatho yesalathiso elungisiweyo. Uqeqesho lwabasebenzi abasebenzisa ii-CMM eziphathwayo kufuneka lubandakanye kungekuphela nje ukusebenza kobugcisa bezixhobo kodwa nokuqonda ukungaqiniseki kokulinganisa, ukulandeleka, kunye nendima yokulinganisa ekugcineni ingqibelelo yokulinganisa. Iinkqubo zolawulo lomgangatho kufuneka zichaze ukuba kufuneka nini imilinganiselo yokuqinisekisa ngokuchasene neereferensi ezilungisiweyo kunye nendlela imeko yokulinganisa egcinwa kwaye ibhalwe ngayo.
Njengoko imveliso iqhubeka nomkhwa wayo wokuguquguquka okukhulu, amaxesha omjikelo akhawulezayo, kunye neenkqubo zokulawula umgangatho ezidityanisiweyo, indima yoomatshini bokulinganisa abaphathwa ngesandla iya kuqhubeka isanda. Ezi zixhobo zinamandla zibonakalise amandla azo okuguqula umlinganiselo ukusuka kumsebenzi welebhu okhethekileyo ukuya kwinto eqhelekileyo yokusebenza kwemveliso. Sekunjalo ukusebenza kwazo kuxhomekeke ekuphunyezweni okufanelekileyo okuqonda zombini izakhono zazo kunye neemfuno zazo. Ipleyiti yomphezulu wokulinganisa, emi njengeplani yesalathiso esizinzileyo eqinisekisiweyo ngeenkqubo zokulinganisa ezingqongqo, ibonelela ngesiseko apho ukuguquguquka kunye namandla etekhnoloji ye-CMM ephathwayo inokwakhiwa khona ngokuthembekileyo. Ekuguqukeni kokulinganisa kwindawo, olu budlelwane phakathi kwetekhnoloji ephathwayo ephucukileyo kunye nemigangatho yesalathiso esisiseko ibonisa indlela uyilo lwe-metrology olwakha ngayo, endaweni yokutshintsha, imigaqo eqinisekisa ukuchaneka kokulinganisa kunye nokulandeleka.
Ixesha leposi: Epreli-21-2026