Kwimeko yokwenziwa kwezinto ngokuchanekileyo kwanamhlanje, oomatshini bokulinganisa abalungelelanisiweyo basebenza njengezixhobo ezibalulekileyo eziqinisekisa ukuba izinto ziyahlangabezana neemfuno ezichanekileyo. Ukusuka kwizinto zeenqwelo-moya ukuya kwizixhobo zonyango, ukusuka kwiindibano zeemoto ukuya kwimveliso ye-semiconductor, ii-CMM zibonelela ngokuqinisekiswa kobukhulu obuqinisekisa umgangatho, ukutshintshwa, kunye nokusebenza phantse kuyo yonke imboni efuna ukunemba. Ezi nkqubo zokulinganisa ezintsonkothileyo ziye zaguquka kakhulu ukusukela oko zaqaliswa ngeminyaka yoo-1960, zifaka ubuchwepheshe obuphambili ekuhloleni, kwisoftware, kulawulo lokuhamba, nakwimbuyekezo yokusingqongileyo. Nangona kunjalo, nangona olu phuculo lobuchwepheshe, enye into esisiseko iye yahlala ihambelana ngokuphawulekayo ekwakhiweni kwe-CMM: i-granite yendalo. Eli nqaku lihlola isizathu sokuba i-granite yendalo ibe kwaye yahlala iyinto ekhethwayo kwiindawo zokwakha oomatshini bokulinganisa ngokuchanekileyo, ihlola iimpawu zayo, usetyenziso, kunye neengqwalasela zobunjineli ezenza ukuba ibaluleke ekufezekiseni nasekugcineni ukuchaneka kokulinganisa ngokuhamba kwexesha.
Ukubaluleka kwesiseko sezixhobo zokwakha kwiimashini zokulinganisa ezilungelelanisiweyo akunakugxininiswa kakhulu. Ngokungafaniyo nezixhobo ezininzi ezichanekileyo apho inkqubo yokulinganisa yenzeka kwindawo elawulwayo ehlukanisiweyo nesakhiwo sesixhobo, ii-CMM kufuneka zibeke ngokwasemzimbeni iinkqubo zazo zokuphonononga kwindawo enemilinganiselo emithathu ngelixa zigcina ukulingana kobushushu kunye nomsebenzi olinganiswayo. Ulwakhiwo lomatshini kufuneka lubonelele ngokuqina okungaqhelekanga ukunciphisa ukuphambuka phantsi kwamandla eprobe, ukudambisa okugqwesileyo kokungcangcazela ukuze kwahlulwe umlinganiselo kwiingxaki zokusingqongileyo, uzinzo olubalaseleyo lobushushu ukuze kuthintelwe ukushukuma kobukhulu, kunye nozinzo lwexesha elide ukuqinisekisa ukuhambelana komlinganiselo kwiminyaka yokusebenza. Ezi mfuno zikhokelele abavelisi ukuba bavavanye ngononophelo kwaye bakhethe izixhobo ezinokubonelela ngokudibanisa okufanelekileyo kwezi mpawu, kunye negranite yendalo evelayo njengokhetho olukhethwayo lwezinto ezibalulekileyo zokwakha ezichaza umthamo wokulinganisa womatshini kwaye zibonelele ngejometri yesalathiso apho zonke izilinganiso zibhekiselwa khona ekugqibeleni.
I-granite yendalo isetyenziswa kulo lonke ulwakhiwo lwe-CMM, ibonakala kwiindawo ezichaphazela ngokuthe ngqo ukusebenza kokulinganisa. Isiseko esiphambili kunye netafile yokusebenza zimele usetyenziso olubonakalayo, olusebenza njengendawo yokubhekisa apho kubekwa khona izinto zokusebenza zokulinganisa kwaye lubonelela ngobunzima bobushushu obuphambili obunceda ukutshintsha kobushushu. Kwiindlela ezininzi zoyilo lwe-CMM, ngakumbi oomatshini bohlobo lwebhulorho, isiseko sikwabandakanya iindlela ezichanekileyo ezichaza i-Y-axis yokuhamba. Ibhulorho ehambayo okanye umqadi onqamlezayo, othwala intloko ye-Z-axis assembly kunye ne-probe, idla ngokubandakanya izinto zesakhiwo se-granite ezibonelela ngozinzo lobushushu kunye noomatshini ngexesha lenkqubo yokulinganisa. Izakhiwo zekholamu, nokuba zixhasa izinto eziphezulu kwiidizayini ze-gantry okanye zibonelela ngeendawo zokubhekisa kwiimashini zengalo ezithe tye, zihlala zisebenzisa i-granite ekudibaniseni kwayo iipropati zokudambisa kunye nokuzinza. Ukusetyenziswa rhoqo kwe-granite kuzo zonke ezi ndawo zibalulekileyo zokuthwala umthwalo kunye neendawo zokubhekisa kuqinisekisa ukuba lonke ulwakhiwo lomatshini luziphatha njengeyunithi efanayo, eqinileyo kubushushu endaweni yokuhlanganiswa kwezinto ezahlukeneyo ezineempawu ezahlukeneyo zobushushu kunye noomatshini.
Ukukhethwa kwegranite ngaphezu kwezinye izinto zobunjineli kuvela kudibaniso lwayo olukhethekileyo lweempawu zomzimba, nganye inegalelo ekusebenzeni kokulinganisa ngeendlela ezithile. Uzinzo lobushushu mhlawumbi lumele eyona nzuzo ibalulekileyo enikezelwa yigranite kwizicelo ze-precision metrology. Igranite ibonisa i-coefficient ephantsi kakhulu yokwandiswa kobushushu, ngokuqhelekileyo ukusuka kwi-5 ukuya kwi-8 parts per billion per degree Celsius kuxhomekeke kuhlobo lwegranite kunye nokwakheka kwayo. Le propati ibalulekile kwiindawo zokwenza apho utshintsho lobushushu lungenakuphepheka, njengoko notshintsho oluncinci lobushushu lunokubangela iimpazamo ezinkulu zokulinganisa kwiindawo ezichanekileyo. Xa isakhiwo se-CMM sanda okanye sincipha ngotshintsho lobushushu, ubudlelwane obuphakathi kwe-geometry yereferensi yomatshini kunye nomsebenzi olinganiswayo buyatshintsha, buzisa iimpazamo ezinokudlula ukunyamezela okwamkelekileyo kwiindawo ezichanekileyo. I-coefficient yokwandiswa kobushushu obuphantsi yeGranite ithetha ukuba isakhiwo somatshini sitshintsha ubukhulu kancinci kakhulu nangokuqikelelweyo ngobushushu, sivumela ii-algorithms zokuhlawula ukulungisa iziphumo zobushushu kwaye senza ukuba umatshini ugcine ukuchaneka kuzo zonke iindawo zobushushu eziqhelekileyo zesakhiwo sokuvelisa. Ngaphezu koko, i-conductivity yobushushu yegranite, nangona ingaqhelekanga, ivumela izinto ukuba zifikelele kumlinganiselo wobushushu ngokukhawuleza xa kuthelekiswa nezixhobo ezinokuqhuba okuphantsi, okwenza oomatshini bazinze kwaye bafumane ukuchaneka okulinganisiweyo emva kotshintsho lobushushu bendalo.
Iimpawu zokudambisa ukungcangcazela zahlula i-granite kwezinye izinto eziqinileyo ezisetyenziswa kakhulu kubunjineli bokuchaneka. Ngelixa izinto ezifana nee-aluminium alloys zibonelela ngomlinganiselo ogqwesileyo wokuqina-ukuya-kubunzima, zihlala zingabonakalisi ukudambisa kwangaphakathi okungalunganga, oko kuthetha ukuba ukungcangcazela kuhlala ixesha elide xa kushukunyiswa. Olu phawu lubonakalisa ingxaki kwiindawo zokwenza apho oomatshini, izithuthi zomgangatho, kunye neenkqubo ze-HVAC zihlala zizisa ukungcangcazela okunokuphazamisa umgangatho wokulinganisa. I-Granite, njengezinto ze-polycrystalline zendalo, ibonisa iipropati zokudambisa eziphezulu kakhulu, ifunxa amandla okungcangcazela kwaye ithintele ukusasazeka kwayo kwisakhiwo somatshini. Esi senzo sokudambisa sihluza ngokufanelekileyo ukungcangcazela okuphezulu okunokungenisa ingxolo kwidatha yokulinganisa, okufaka isandla kwizifundo ezizinzileyo neziphindaphindwayo ezifunwa ngabavelisi abagxile kumgangatho. Ukudibana kokuqina okuphezulu kunye nokudambisa okusebenzayo kwenza izakhiwo ze-granite zingachaphazeleki kakhulu kukugqwetheka okunamandla ngexesha lemijikelo yokulinganisa, apho iintshukumo ze-probe ezikhawulezayo zinokubangela ukungcangcazela okuvakalayo kwisakhiwo somatshini.
Uzinzo olunemilinganiselo yexesha elide lumele enye inzuzo ebalulekileyo eqinisekisile indawo yegranite ekwakhiweni kweCMM. Ngokungafaniyo nezinto ezinokudlula kwimiphumo yokwaluphala, ukukhululeka kuxinzelelo, okanye utshintsho oluhamba kancinci ngokuhamba kwexesha, igranite ekhethwe kakuhle necutshungulwayo igcina ubukhulu bayo ngokungenammiselo phantsi kweemeko zokusebenza eziqhelekileyo. Olu zinzo luvela kwisakhiwo sekristale segranite kunye nokungabikho koxinzelelo lwangaphakathi olunokuphumla ngokuhamba kwexesha. Nje ukuba icandelo legranite CMM lisetyenzisiwe ukuya kwijiyometri yalo yokugqibela echanekileyo kwaye lizinzile, loo geometry ihlala ingatshintshi kuyo yonke imisebenzi yomatshini. Olu phawu lubonakala lubaluleke kakhulu kubavelisi abaxhomekeke ekulandeleni umlinganiselo kunye nokungaguquguquki, njengoko iiCMM zihlala zisebenza njengezalathiso eziphambili zemilinganiselo yeenkqubo zomgangatho. Uzinzo lwezakhiwo zegranite lunegalelo ekunciphiseni ukungaqiniseki kwiinkqubo zokulinganisa kwaye lwenza lula ukusekwa kunye nokugcinwa kweetsheyini zokulandelela umlinganiselo.
Ukumelana nokugqwala kuphucula ngakumbi ukufaneleka kwegranite kwizicelo zeCMM. Iindawo zokwenza imveliso zihlala ziqulathe ulwelo olusikiweyo, izinyibilikisi zokucoca, kunye nezinto ezingcolisayo emoyeni ezinokugqwala izakhiwo zoomatshini besinyithi. Igranite, njengelitye eliyi-igneous elisekwe kwi-silicate, iyamelana nokuhlaselwa phantse kuzo zonke iikhemikhali zokuvelisa eziqhelekileyo kunye nezinto ezikwimo yomoya. Olu kumelana luqinisekisa ukuba iindawo zegranite zigcina i-geometry yazo kunye nomgangatho womphezulu ngokungenasiphelo ngaphandle kokukhusela okunokuguguleka, kunciphe, okanye kufuneke kugcinwe. Ubuhle bendalo begranite epholisiweyo bukwabonisa umfanekiso wokuchaneka kunye nomgangatho ohambelana nolindelo lwezixhobo zokulinganisa ezixabisa kakhulu.
Xa kuvavanywa i-granite xa kuthelekiswa nezinye izinto, abavelisi kunye neenjineli zoyilo kufuneka baqwalasele urhwebo olukhoyo kukhetho ngalunye. I-cast iron, izinto zemveli zeziseko zezixhobo zomatshini, zibonelela ngokudambisa okuhle kunye nokuzinza kobushushu kodwa zine-coefficients yokwandisa ubushushu ephezulu kune-granite. Izakhiwo ze-iron nazo zifuna ingqalelo enonophelo ekunciphiseni uxinzelelo kunye nokuguga ukuze kufezekiswe uzinzo olunemilinganiselo, kwaye ukwenziwa kwe-cast iron kuvelisa inkxalabo malunga nokuthungwa komphezulu kunye nokubuyiselwa kweetship. Ii-alloys ze-aluminium zibonelela ngomlinganiselo ogqwesileyo wokuqina-ubunzima kwaye kulula ukuzisebenzisa, kodwa ii-coefficients zazo zokwandisa ubushushu eziphezulu kunye neepropati zokunciphisa ubushushu ezimbi zizenza zingafaneleki kwizicelo ezichanekileyo ezifuna kakhulu ngaphandle kwembuyekezo enkulu kunye namanyathelo okuzihlukanisa. Izinto ze-ceramic eziphambili zibonelela ngobunzima obugqwesileyo kunye nokwandiswa kobushushu obuphantsi kodwa zihlala zibuthathaka kwaye zibiza kakhulu, zithintela ukusetyenziswa kwazo kwiindawo ezikhethekileyo endaweni yezakhiwo zomatshini ezipheleleyo. Izinto ze-granite ezidityanisiweyo, ezibandakanya amasuntswana elitye lendalo ahlanganiswe ne-epoxy okanye i-resin matrices, ziye zavela njengezinye iindlela ezijolise ekudibaniseni iipropati ze-granite zendalo kunye nokuhambelana okuphuculweyo kunye nobunzima obuncitshisiweyo. Ngelixa ezi zinto zibonelela ngeenzuzo kwezinye izicelo, zinokubonisa iimpawu ezahlukeneyo zokuguga kwexesha elide kune-granite yendalo kwaye zihlala zingenakulingana nokusebenza kokudambisa kwelitye lendalo eliqinileyo.
Ulwakhiwo olwahlukeneyo lwe-CMM lubandakanya izakhiwo zegranite ngeendlela ezijongana neemfuno zazo ezithile zesakhiwo kunye neenjongo zokusebenza. Ii-CMM zohlobo lwebhulorho, ulwakhiwo oluqhelekileyo kwizicelo ze-metrology zeenjongo eziqhelekileyo, zihlala zisebenzisa iziseko zegranite ezidibanisa iindlela zokuqondisa ze-Y-axis kunye neetafile zomsebenzi ezinkulu ngokwaneleyo ukwamkela izinto zokusebenza eziqhelekileyo. Ulwakhiwo lwebhulorho ehambayo, oluhlala lwakhiwa ngegranite kwiimashini zeprimiyamu, lubonelela ngentshukumo ye-X-axis ngelixa luxhasa ikholamu ye-Z-axis kunye ne-probe assembly. Olu lwakhiwo luzuza kuzinzo lobushushu begranite kwisiseko esisisigxina kunye nebhulorho ehambayo, ukuqinisekisa i-geometry yesalathiso ehambelanayo kuyo yonke ivolumu yokulinganisa. Ii-Gantry okanye ii-portal CMM, ezenzelwe izinto zokusebenza ezinkulu, zihlala zinezakhiwo ezinkulu zegranite kwizakhiwo zazo eziphezulu kunye nee-crossbars, apho iimpawu zokudambisa izinto zinceda ukulawula ukuziphatha okuguquguqukayo kwezinto ezinkulu, ezinokuba bhetyebhetye ngakumbi. Ii-CMM zeCantilever, kunye noyilo lwazo lweekholamu ezithe nkqo, zixhomekeke kwiziseko zegranite kunye neendlela zokuqondisa ezichanekileyo ukugcina ukuchaneka nangona umthwalo we-cantilever udla ngokuphambukisa izakhiwo ezincinci. Ii-CMM zengalo ezithe tye, ezisetyenziswa rhoqo ekuhlolweni komzimba weemoto kunye nokuqinisekiswa kwendibano enkulu, zifaka iziseko zegranite kunye neekholamu ezibonelela ngejometri yokubhekisa ezinzileyo ngelixa zihlangabezana neemfuno zokulinganisa izinto zokusebenza ezinkulu nezintsonkothileyo.
Iinjineli zoyilo ezisebenza ngezinto ze-granite CMM kufuneka zilinganise izinto ezininzi ukuze ziphucule ukusebenza komatshini. Ukulungiswa kwesakhiwo kubandakanya ukusasaza ngononophelo izinto ukuze kuphuculwe ukuqina kwiindlela zomthwalo ngelixa kunciphisa ubunzima apho kungenalo igalelo ekusebenzeni. Ukwakhiwa okunemiqolo, ii-webs zangaphakathi, kunye neejiometri eziyilwe ngononophelo zivumela abavelisi be-granite CMM ukuba bafikelele kumlinganiselo ofanelekileyo wokuqina-kubunzima ngelixa begcina iimpawu zokuqina kunye nozinzo lwezixhobo. Ubudlelwane phakathi kobunzima bezinto kunye nokuchaneka komatshini bubonakala bubaluleke kakhulu kwizicelo apho i-CMM kufuneka ilandele imveliso ehambayo okanye apho ukubekwa komatshini kufuna ukuqwalaselwa komthwalo womgangatho. Inkqubela phambili kuhlalutyo lwezinto ezilinganiselweyo yenze ukuba abayili bakwazi ukuphucula iijiometri ze-granite ngobuchule obungakaze bubonwe, bechonga iindawo apho izinto zinokususwa ngaphandle kokubeka emngciphekweni ukusebenza kunye nemimandla apho ubunzima obongezelelweyo buphucula iimpawu zokushisa okanye zokunciphisa ubushushu.
Ukuvelisa izinto zegranite ezichanekileyo kwizicelo zeCMM kufuna ubuchule obukhethekileyo bokuchwetheza kunye neenkqubo zokuqinisekisa umgangatho. Imisebenzi yokugaya ye-CNC, endaweni yokuchwetheza eqhelekileyo, idla ngokubonelela ngendawo yokuchwetheza yokugqibela kwizixhobo zegranite CMM, njengoko ukuchwetheza kunciphisa umonakalo womphezulu kwaye kuvelisa iindawo ezithe tyaba nezithe tye ezifunekayo kwiindlela zokubonisa kunye neejiometri zesalathiso. Izixhobo zokusika idayimani kunye nee-abrasives zibonelela kuphela ngeendlela ezisebenzayo zokubumba igranite, njengoko izixhobo zokusika eziqhelekileyo zingenakungena ebunzimeni bezinto. Iiparamitha zoomatshini kufuneka zilawulwe ngononophelo ukuze kuthintelwe ukungenisa umonakalo ongaphantsi komhlaba onokuchaphazela uzinzo lwexesha elide okanye ubume bomphezulu obunokuphazamisa ukucoceka okanye ukubonakala kwenxalenye egqityiweyo. Ukuqinisekiswa komgangatho weendawo zegranite CMM kubandakanya i-metrology edibeneyo ukuqinisekisa ukuchaneka kobukhulu, ukulinganiswa kwe-interferometric ukuseka ukuthe tye kunye nokuthe tye kweendawo ezibalulekileyo, kunye nokubeka iliso kubushushu ukuqinisekisa ukuba izinto zifikelele kumlinganiselo ngaphambi kokuhlolwa kokugqibela. Abanye abavelisi bafaka izinto ezibalulekileyo kwixesha elandisiweyo lokuntywila kubushushu ukuze kukhawuleziswe naziphi na iziphumo ezincinci zokuguga, ukuqinisekisa uzinzo lobukhulu ngaphambi kokuba iindawo zingene kwindibano.
Ukujonga kuphuhliso lwexesha elizayo, indima yegranite kulwakhiwo lweCMM iyaqhubeka nokukhula njengoko abavelisi behlola usetyenziso olutsha kunye notshintsho lwezinto. Izinto ezidityanisiweyo zegranite, ezibandakanya amasuntswana egranite endalo kwi-polymer matrices, zibonelela ngeenzuzo ezinokubakho ekuncipheni kobunzima kunye nokuhambelana okuphuculweyo ngelixa zigcina uninzi lweempawu eziluncedo zelitye lendalo. Ezi zinto zinokwenza ukuba izinto ezinkulu zeCMM zibe yinto engenakwenzeka ngegranite eqinileyo ngenxa yemida yobunzima, enokwandisa uluhlu lwesicelo kwiimashini ezakhiwe ngegranite. Uphando malunga nonyango lomphezulu kunye neendlela zokubopha lunokuphucula ngakumbi iimpawu zegranite esele zibalaseleyo, luphucule iimpawu zokudambisa okanye luvumele ulungelelwaniso olutsha oludibeneyo olukhulisa ukusebenza kwesakhiwo. Njengoko iimfuno zokulinganisa ziqhubeka nokuqina kumacandelo okuvelisa aphambili, iimpawu ezisisiseko ezenze igranite yabaluleka kakhulu kwi-metrology echanekileyo ziya kuqinisekisa ukubaluleka kwayo okuqhubekayo kuyilo kunye nolwakhiwo lweCMM.
Ubukho obuhlala buhleli begranite yendalo ekwakheni umatshini wokulinganisa ngokuhambelanayo bubonisa okungaphezulu kunesithethe okanye isiqhelo; imela ukhetho olufanelekileyo lwezinto ezijongana neemfuno ezisisiseko zokulinganisa okuchanekileyo. Kwishishini elinotshintsho olukhawulezayo lwetekhnoloji kunye nophuculo oluqhubekayo, igranite izibonakalise njengezinto ezibonelela ngokuchanekileyo oko kufunwa zizicelo zokulinganisa ezifuna ukwenziwa. Ukudibana kwayo nokuzinza kobushushu, ukuxinana kokungcangcazela, ukuchaneka kobukhulu bexesha elide, kunye nokumelana nokugqwala kubonelela ngesiseko apho ukusebenza kwe-CMM yanamhlanje kuxhomekeke khona. Njengoko ukunyamezelana kwemveliso kuqhubeka kuqina kuwo onke amacandelo, igranite yendalo iya kuhlala iphambili ekufuneni ukuzithemba kokulinganisa, ibonelela ngejiyometri yesalathiso ezinzileyo, ethembekileyo exhomekeke kuyo iinjineli kunye neengcali zomgangatho ukuqinisekisa ukuba iimveliso zabo ziyahlangabezana neemfuno ezichaza ukugqwesa kwemveliso yanamhlanje. Izinto ezazisetyenziswa ziimpucuko zamandulo ukwakha izikhumbuzo ezazifuna ukuhlala iminyaka eyiwaka ngoku zivumela ukulinganisa okuchanekileyo okuchaza umgangatho wemveliso wenkulungwane yama-21.
Kumaqela obunjineli achaza iinkqubo ezintsha zeCMM kunye nabavelisi abamisela amandla e-metrology, ukuqonda indima ye-granite ekwakhiweni komatshini kubonelela ngomxholo obalulekileyo wokukhethwa nokusetyenziswa kwezixhobo. Utyalo-mali kwiimashini ezichanekileyo ezakhiwe nge-granite lubonisa ukuqonda ukuba ukuzithemba kokulinganisa kuqala ngokuthembeka kwesakhiwo, kwaye isiseko apho kwenziwa khona imilinganiselo sifanele ingqalelo efanayo kumgangatho kunye nokuchaneka njengezinto ezilinganiswayo. Abaphathi bomgangatho kufuneka baqonde ukuba isiseko kunye nesakhiwo se-granite simele inxalenye ebalulekileyo yexabiso lilonke lomatshini, kodwa elinikezela ngexabiso eliqhubekayo kwiminyaka emininzi yenkonzo ethembekileyo ngaphandle kokwehla kokusebenza. IiCMM ezininzi zihlala zikwinkonzo yemveliso iminyaka engamashumi amabini nangaphezulu, kwaye izinto ze-granite ezazichanekile xa umatshini wawufakwa okokuqala zihlala zichanekile nanamhlanje, zibonisa ixabiso elikhethekileyo elibonelelwa yi-granite yendalo kwizicelo ze-metrology ezichanekileyo.
Iingcali zeMetrology ezivavanya ukhetho lweCMM kufuneka ziqwalasele kungekuphela nje iinkcukacha zokuchaneka kokuqala kodwa kunye neemfuno zozinzo lwexesha elide kunye nenkonzo eziya kuchaphazela iindleko zizonke zobunini. Oomatshini abakhiwe ngezinto ezizezinye banokubonelela ngeenzuzo kwixabiso lokuqala okanye ubunzima bokuthumela, kodwa iimfuno eziqhubekayo zokubuyiselwa kwendalo, ukuhlaziywa rhoqo ngenxa yokuguga kwezinto, kunye neenkxalabo ezinokubakho malunga nokuzinza kwexesha elide kufuneka zibandakanye isigqibo sokuthenga. Iinkqubo zokuhlawula ubushushu ezifunekayo koomatshini abakhiwe nge-aluminium, umzekelo, zongeza ubunzima kunye neemfuno zokulinganisa eziqhubekayo ezingafunekiyo kwezinye iindlela ezakhiwe nge-granite. Ngokufanayo, oomatshini abasebenzisa izinto ezidityanisiweyo zepolymer banokufuna ukuhlolwa rhoqo ukuqinisekisa ukuba iziphumo zokuguga azizange zichaphazele uzinzo lwesakhiwo.
Ngaphaya kwezinto zobugcisa eziqwalaselwayo, ukukhethwa kwee-CMM ezakhiwe ngegranite kudla ngokubonisa ixabiso lombutho malunga nomgangatho kunye nokuchaneka. Iinkampani ezichaza izixhobo zokulinganisa ezakhiwe ngegranite zibonisa abathengi bazo kunye nemibutho elawulayo ukuba umgangatho wobukhulu uthathwa nzulu kulo lonke umbutho. Ukubonakala okucacileyo nokubonakalayo kwee-CMM zegranite kuqinisa lo myalezo, kudala ukuzithemba kumandla okulinganisa asasazeka kulo lonke uthotho lokubonelela. Kumashishini apho ukungaqiniseki kokulinganisa kufuneka kubhalwe phantsi kwaye kulawulwe, okufana neenqwelo-moya, ukwenziwa kwezixhobo zonyango, kunye nezinto zokhuseleko lweemoto, ukuzinza okungaphakathi kwezakhiwo zegranite kwenza kube lula ukubonakaliswa kwamandla enkqubo yokulinganisa okufunekayo ukuthotyelwa komthetho.
Ikamva legranite kwi-precision metrology lidlulela ngaphaya kwezicelo zemveli ze-CMM. Ubuchwepheshe obutsha kwimveliso eyongezelelweyo, i-micro-machining, kunye nokwenziwa kwe-semiconductor kudala iimfuno ezintsha zokuqinisekiswa kobukhulu obuya kutyhala ukunyamezela kokulinganisa kumanqanaba angakhange acingelwe ngaphambili. Kwangaxeshanye, ukuhlanganiswa kwe-CMMs neenkqubo zemveliso, ngokulinganisa ngaphakathi kwenkqubo kunye neenkqubo zokulawula umgangatho ngexesha langempela, kubeka iimfuno ezintsha kuzinzo loomatshini kunye nokuqina kokusingqongileyo. Igranite yendalo, kunye nokudibana kwayo okuqinisekisiweyo kweempawu, ikwindawo efanelekileyo yokuhlangabezana nale mingeni, ibonelela ngesiseko esizinzileyo esiya kufunwa sisizukulwana esilandelayo seenkqubo zokulinganisa ngokuchanekileyo. Njengoko imveliso iqhubeka nokuguquka kwayo ukuya ngokuchanekileyo okuphezulu, ukunyamezelana okuqinileyo, kunye neemfuno zomgangatho ezifuna kakhulu, igranite yendalo iya kuhlala iyinto ekhethwayo kwabo baqondayo ukuba ukuzithemba kokulinganisa kuqala ngokugqwesa kwesakhiwo.
Ibali elimangalisayo legranite yendalo kwi-precision metrology libonisa inyaniso ebanzi malunga nezixhobo zobunjineli: ukhetho olungcono alusoloko lulutsha okanye lungaqhelekanga, kodwa luyinto ehlangabezana kakuhle neemfuno ezisisiseko zesicelo. Kwimeko yoomatshini bokulinganisa abadibeneyo, igranite ibonelela ngokudibeneyo kweempawu ezifunwa kumlinganiselo wokulinganisa ngokuchanekileyo, ezinikezelwa ngendlela enokusetyenziswa ngokuchanekileyo kwaye iya kugcina olo chanekileyo kwizizukulwana zokusetyenziswa. Olu dibaniso lokusebenza kwangoko kunye nokuzinza kwexesha elide luqinisekise indawo yegranite embindini we-precision metrology, kwaye loo ndawo ngokuqinisekileyo iya kuhlala ihleli njengoko iteknoloji yokulinganisa iqhubeka isiya kwizicelo ezifuna ngakumbi.
Ixesha leposi: Epreli-24-2026