Aosite, kusukela 1993
Amahinge eminyango namafasitela ayizici ezibalulekile ezakhiweni zesimanje, adlala indima ebalulekile kwikhwalithi nokuphepha kweminyango namafasitela. Amahinge ezinga eliphezulu ngokuvamile enziwa ngensimbi engagqwali. Kodwa-ke, ngenxa yemikhawulo yenqubo yokukhiqiza isitembu kanye nobunzima bokusebenza ngensimbi engagqwali, ukunemba kanye nekhwalithi yamahinge kuvame ukuhlupheka. Ukuze kubhekwane nalezi zinkinga, izindlela zokuhlola ezivamile zamageji namathuluzi azisebenzi kahle futhi azinembile, okuholela emazingeni aphezulu omkhiqizo anesici kanye nokuncipha kwenzuzo ezinkampanini. Ngakho-ke, uhlelo olusha lokuhlonza oluhlakaniphile lwenziwe ukuze kuqinisekiswe ukutholwa okunembile nokusheshayo kwezingxenye zehinge, ekugcineni kuthuthukiswe ukunemba kokukhiqiza nokuqinisekisa ukuhlangana kwekhwalithi ephezulu.
Isistimu entsha yokuthola iklanyelwe ukugxila ezingxenyeni eziyinhloko ze-hinge, ehlanganisa izingxenye eziyisishiyagalolunye. Uhlelo lusebenzisa ukubona komshini kanye nobuchwepheshe bokubona nge-laser ukuze buhlole abantu abangathintwa, ngokuyinhloko bugxile kumakhonsathi abonakalayo anezinhlangothi ezimbili, umumo, namasayizi. Lokhu kuvumela ukutholwa okunembe kakhudlwana nokusebenza kahle kwezicaciso ezihlukahlukene.
Ukwamukela uhla olubanzi lwemikhiqizo yamahinge, uhlelo luhlanganisa ukubona komshini, ukutholwa kwe-laser, nobuchwepheshe bokulawula i-servo. Uhlelo luhlanganisa itafula lezinto ezisetshenziswayo elifakwe kumzila wesitimela womugqa, ongashayelwa i-servo motor ukuze kube lula ukunyakaza komsebenzi ukuze kutholwe.
Ukugeleza komsebenzi wesistimu kuqala ngokuthi ucezu lokusebenza lufakwe endaweni yokuthola kusetshenziswa ithebula lezinto ezibonakalayo. Ngaphakathi kwendawo etholwayo, amakhamera amabili kanye nenzwa ye-laser displacement kusetshenziswa ukukala ubukhulu bangaphandle kanye nokucaba kwendawo yokusebenza. Ukutholwa komumo kwenziwa kusetshenziswa amakhamera amabili, ngalinye linikezelwe ekutholeni uhlangothi oluthile lwesiqephu se-T. Inzwa ye-laser displacement igxunyekwe kumaslayidi kagesi, okuvumela ukunyakaza okuqondile nokuvundlile ukuze kuthwale ubukhulu bengcezu yokusebenza ehlukahlukene.
Uhlelo luphinde luhlanganise nokuhlolwa kokubona komshini ukuze kukale ubude obuphelele bomsebenzi wokusebenza. Njengoba kunikezwe ububanzi obukhulu bobude be-workpiece, inhlanganisela yokulawula i-servo nombono womshini isetshenziselwa ukubala ngokunembile ubude. Ngokusebenzisa ukulinganisa nokuhlanganisa ukunyakaza komsebenzi, isistimu iqinisekisa ukukalwa kobude obunembile.
Ngokufanayo, isikhundla esihlobene kanye nobubanzi bezimbobo zokusebenza kutholwa kusetshenziswa isilawuli se-servo kanye nombono womshini. Ngokuphakela inani elifanele lama-pulses, isistimu ikala ngokunembile ibanga phakathi kwezimbobo ezimbili futhi ibala izixhumanisi zazo ngaphakathi kwendawo yokubuka yekhamera. Ukuze kulandiswe nganoma yikuphi ukungapheleli okubangelwa ukubhobozwa kwemigodi, kuthathwa indlela ecophelelayo ukuze kutholwe indawo kanye nezixhumanisi ezimaphakathi zezimbobo.
Isistimu futhi ibhekelela ukutholwa kokulinganisa kwembobo yokusebenzela ngokuhlobene nobubanzi bendawo yokusebenza. Ngokucutshungulwa kwangaphambili kwesithombe nezindlela zokuthola unqenqema, isistimu ingakhipha ulwazi olunembile nolucacile, iqinisekise izilinganiso ezinokwethenjelwa.
Ukuze kuqhutshekwe kuthuthukiswe ukunemba kokutholwa, isistimu isebenzisa i-algorithm yephikseli engaphansi kusetshenziswa i-bililinear interpolation phakathi nokukhipha ikhonsathi yesithombe. Le algorithm inyusa ukulungiswa kwephikseli, ibe nomthelela omuhle ekuzinzeni nokunemba kwesistimu. Ukungaqiniseki kokutholwa sekukonke kugcinwa ngaphansi kuka-0.005mm.
Ngezinhlobo ezingaphezu kuka-1,000 zemikhiqizo yehinge, ukubeka mathupha imingcele yokuthola ingxenye ngayinye kuwumsebenzi oyinkimbinkimbi futhi odla isikhathi. Ukwenza le nqubo ibe lula, isistimu isebenzisa ukuskena kwebhakhodi ukuze kuhlukaniswe izingxenye zokusebenza ngokusekelwe kumapharamitha azotholwa. Lokhu kuvumela ukukhishwa okuzenzakalelayo kwamapharamitha okuthola futhi kusiza ukuma okunembile kwesiqeshana sokusebenza ngesikhathi sokuhlolwa.
Sengiphetha, uhlelo lokuhlonza oluthuthukisiwe luye lwafakazela ukuthi lusebenza kahle kakhulu ekuqinisekiseni ukutholwa okunembile kwezinto zokusebenza ezinkulu, naphezu kwemikhawulo ekuxazululeni kokutholwa komshini. Uhlelo lukhiqiza imibiko yezibalo phakathi kwamaminithi, luthuthukisa ukusebenzisana nokushintshana, luvumelane nezingxenye zokucaciswa okuhlukahlukene, futhi lukhiqize namafayela e-CAD ngokusekelwe kudatha yokuhlola. Ngesixhumi esibonakalayo se-inthanethi Yezinto, isistimu ihlangana ngaphandle komthungo nezinhlelo zokukhiqiza, yenza kube lula ukusebenza kolwazi lokutholwa. Lolu hlelo lusebenza kabanzi ekuhlolweni okucophelelayo kwamahinge, ama-slide rails, neminye imikhiqizo efanayo, iqinisekisa ikhwalithi ephezulu nezingxenye zokwakha eziphephile.
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