Uhlu lweeNdlela zokuLinganisa zeCMM
A Umatshini wokulinganisa oQokelelweyo (i-CMM) sisixhobo esisetyenziselwa ukulinganisa ngokuchanekileyo ijiyometri yento. Ngokweendlela ezahlukeneyo zokulinganisa, i-CMM inokwahlulwahlulwa ibe ziindidi ezilandelayo:
1. Uqhagamshelwano Iprobe isixhobo sokulinganisa esilungelelanisiweyo (esona sisetyenziswa kakhulu);
2. Isixhobo sokulinganisa esibonakalayo esidibeneyo;
3. Isixhobo sokulinganisa esidityanisiweyo se-laser (esisetyenziswa kakhulu ekulinganiseni imveliso kunye nokuskena ikopi engasemva).
Phakathi kwazo, indlela yokulinganisa uqhagamshelwano idla ngokusetyenziswa ekulinganiseni iimveliso ezenziwe ngomatshini, iimveliso ezicinezelweyo, iifilimu zesinyithi, njl. Ukuze kuhlalutywe idatha yokucubungula umsebenzi okanye kubonelelwe ngolwazi lokuqala lomsebenzi wobunjineli obubuyela umva, kudla ngokufuneka ukuskena amanqaku edatha kumphezulu womsebenzi ovavanywayo ngokusebenzisa i-coordinate. Umatshini wokulinganisa. Umsebenzi wokuskena we-CMM kukusebenzisa inkqubo ye-DMIS ukuqokelela amanqaku edatha kwindawo ethile yomphezulu wento eza kulinganiswa, enokuba ngumgca, umphezulu, icandelo lenxalenye, igophe lenxalenye okanye umgca we-perimeter kumgama othile ukusuka kumda. Into elinganisiweyo ibekwa kwindawo yokulinganisa i-coordinate, indawo yokulinganisa yendawo nganye yokulinganisa kwinto elinganisiweyo inokufumaneka, kwaye ubungakanani bejometri, imilo kunye nendawo yento elinganisiweyo inokubalwa ngokwexabiso le-space coordinate lala manqaku. Umgaqo osisiseko kukufumana indawo ye-discrete spatial point yento yejometri elinganisiweyo ngokudibanisa i-sensor yokufumanisa (iprobe) kunye nokulinganisa intshukumo ye-spatial axis, uze ugqibezele uhlalutyo kunye nokufakwa kwamanqaku alinganisiweyo (amaqela eenqaku) ngokubala okuthile kwezibalo, kwaye ekugqibeleni ubuyisele into yejometri elinganisiweyo, kwaye ubale ukuphambuka phakathi kwayo kunye nexabiso lethiyori (ixabiso eliphantsi) ngesi siseko. Ngaloo ndlela gqibezela ukuhlolwa kwamacandelo aphantsi kovavanyo.
Ukusetyenziswa ngokuchanekileyo kwe-CMM kufuneka kuqwalaselwe la manqaku alandelayo:
(1) Ngaphambi kokulungisa i-workpiece, i-probe kufuneka ibuyiselwe kwindawo eqala kuyo ukuze kugcinwe indawo enkulu yendawo yokulungisa; Ukuphakamisa i-workpiece kufuneka kube bushelelezi, kwaye akunakuchaphazela nayiphi na inxalenye ye- I-CMM.
(2) Faka iindawo ngokuchanekileyo, kwaye uqinisekise ukuba iimfuno ze-isothermal zeendawo kunye nomatshini wokulinganisa ziyafezekiswa ngaphambi kokufakwa.
(3) Misela inkqubo yokulungelelanisa echanekileyo ukuqinisekisa ukuba inkqubo yokulungelelanisa eyakhiweyo iyahlangabezana neemfuno zemizobo ukuqinisekisa ukuchaneka kwedatha elinganisiweyo.
(4) Xa inkqubo isebenza ngokuzenzekelayo, kuyimfuneko ukuthintela ukuphazamiseka phakathi kweprobe kunye nomsebenzi, ngoko ke kuyimfuneko ukuqwalasela ukwandisa i-inflection point.
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