Maonekedwe a mayendedwe a zinthu asintha kwambiri m'zaka makumi awiri zapitazi, chifukwa cha kukakamizidwa kosalekeza kuti achepetse nthawi yoyendera, kusintha kusinthasintha kwa kupanga, ndikubweretsa mphamvu zowongolera khalidwe mwachindunji pamalo opangira. Pomwe kale kuyeza kolondola konse kumafunika kunyamula zinthu kupita ku ma laboratories olamulidwa ndi kutentha komwe kuli makina akuluakulu oyezera a mlatho, malo opangira zinthu masiku ano amafuna njira zoyezera zomwe zingayende kupita ku malo ogwirira ntchito m'malo mofuna kuti malo ogwirira ntchito ayende kupita ku makina oyezera. Patsogolo pa kusinthaku pali makina oyezera zinthu oyendetsedwa ndi manja, chida chonyamulika chomwe chasintha kwambiri momwe opanga amachitira poyang'anira zinthu. Komabe ngakhale kuti zipangizozi zimabweretsa kusinthasintha kosayerekezeka pa ntchito zoyezera, zimayambitsanso mavuto atsopano omwe akuwonetsa kufunika kosatha kwa mfundo zoyambira za mayendedwe, kuphatikizapo kufunikira kwakukulu kwa mbale yoyezera ngati muyezo wofotokozera.
Ulendo wopita ku kuyeza konyamulika unayamba ndi kuzindikira kuti makina oyezera ogwirizana, ngakhale kuti anali olondola kwambiri komanso okhoza bwino, anali ndi zoletsa zazikulu pa ntchito zopangira. Zigawo zomwe zimafuna kuwunika zinayenera kuchotsedwa ku zida zopangira, kunyamulidwa kupita ku ma laboratories odzipereka a metrology, kuzolowera nyengo yolamulidwa, kukonzedwa bwino, kuyezedwa ndi akatswiri ophunzitsidwa bwino, kenako nkubwezeredwa ku kupanga. Pakupanga kwakukulu komwe kuli ndi magawo ochepa, njirayi ikhoza kukonzedwa bwino ndikulowetsedwa mu ndondomeko zopangira. Koma m'masitolo ogulitsa ntchito omwe amagwira ntchito zosiyanasiyana za geometries, opanga opanga magulu akuluakulu omwe sangasunthidwe mosavuta, kapena ntchito zomwe zimafuna mayankho ofulumira pakati pa makina ndi kuyeza, chitsanzo chachikhalidwechi chinapanga zopinga zomwe zimaletsa kufalikira kwa ntchito komanso nthawi yayitali yotsogolera.
Makina oyezera ogwiritsira ntchito m'manja adabwera ngati yankho la zoletsa izi, zomwe zimapereka mphamvu yoyezera mumtundu wonyamulika womwe ungagwiritsidwe ntchito kulikonse komwe kukufunika kuyeza. Ma CMM amakono ogwiritsidwa ntchito m'manja amagwiritsa ntchito ukadaulo wosiyanasiyana kuti akwaniritse kusunthika kwawo komanso kusinthasintha kwawo. Makina owunikira owonera amagwiritsa ntchito makamera ndi zowunikira kuti azitha kuyika malo a ma probe opanda zingwe m'malo atatu, zomwe zimathandiza kuyeza popanda zoletsa zamakina za mlatho wachikhalidwe kapena zomangamanga za gantry. Makina olumikizana okhala ndi zolumikizira zingapo zozungulira amalola ogwiritsa ntchito kuyika nsonga za probe pamalo aliwonse, kufikira zinthu zomwe sizingakhale zosavuta kwa makina okhazikika a geometry. Makina owonera amatsata ma probe ogwiritsidwa ntchito m'manja kudzera m'ma arrays apamwamba a kamera, kusunga kulondola kwa muyeso pomwe kumalola ufulu wonse woyenda mozungulira chogwirira ntchito.
Chomwe chimasiyanitsa makina oyezera ogwiritsidwa ntchito ndi manja ogwira ntchito bwino kwambiri ndi mayeso akale oyezera onyamulika ndi kuthekera kwawo kusunga kulondola kwa kalasi ya metrology ngakhale kuti panali zovuta zomwe zimachitika m'malo ogulitsira. Kusintha kwa kutentha, kugwedezeka kuchokera ku zida zapafupi, mikhalidwe yosiyanasiyana ya kuwala, ndi njira yogwiritsira ntchito zonse zimayambitsa magwero omwe angakhalepo a cholakwika choyezera chomwe chingachotsedwe kapena kuchepetsedwa mu labotale yolamulidwa. Ma CMM apamwamba ogwiritsidwa ntchito ndi manja amathetsa mavutowa kudzera mu referensi yamphamvu, pomwe zowunikira zowala zomwe zimayikidwa pa kapena pafupi ndi workpiece zimatsata mayendedwe aliwonse pakati pa makina oyezera ndi gawo lomwe likuyesedwa. Izi zimathandiza makinawo kulipira kusokonezeka kwa chilengedwe nthawi yeniyeni, kusunga kulondola ngakhale mikhalidwe itakhala yosakwanira.
Mphamvu imeneyi pa ntchito zopangira zinthu yakhala yaikulu kwambiri. Akatswiri abwino tsopano amatha kuyeza migwirizano ikuluikulu yomwe ilipo, kuchotsa kufunikira kochotsa ndi kukonzanso zinthu zomwe zikanafunika kuti zigawozo zibweretsedwe ku CMM yokhazikika. Ogwira ntchito yopanga zinthu amatha kutsimikizira kufanana kwa miyeso nthawi yomweyo pambuyo pa ntchito zopangira zinthu, kuchepetsa chiopsezo chopanga zinthu zambiri zosalolera vutoli lisanadziwike. Mainjiniya opanga zinthu amatha kujambula deta ya miyeso kuchokera ku zitsanzo ndi zigawo zakale kuti zigwiritsidwe ntchito popanga zinthu motsatira njira yosinthira popanda kuchedwa ndi kufunikira kwa kuyeza kwa labotale. Makina oyezera zinthu ogwiritsidwa ntchito m'manja asintha muyeso kuchokera ku ntchito yolepheretsa kukhala chinthu chogwirizana ndi njira yopangira zinthu.
Komabe kusinthasintha komwe kumapangitsa ma CMM ogwiritsidwa ntchito m'manja kukhala ofunika kumabweretsanso mavuto omwe ogwiritsa ntchito ayenera kumvetsetsa ndi kuthana nawo. Makina oyezera achikhalidwe amtundu wa mlatho amapeza kulondola kwake kuchokera ku kapangidwe kolimba komwe kamayikidwa pamaziko akuluakulu, nthawi zambiri mbale ya granite pamwamba yomwe imapereka kukhazikika kwa miyeso ndi kugwedezeka kwa kugwedezeka. Kuwerengera ndi kulipira zolakwika kwa makina kumadalira lingaliro lakuti kapangidwe kameneka kamakhala kokhazikika pakapita nthawi. Miyeso ikatengedwa, imapangidwa poyerekeza ndi makina ogwirizanitsa makina, omwe amafotokozedwa ndi kapangidwe ka makinawo ndikutsimikiziridwa kudzera mu kuwerengera nthawi ndi nthawi motsutsana ndi miyezo yotsatirika.
Mosiyana ndi zimenezi, makina oyezera zinthu pogwiritsa ntchito manja sabweretsa kapangidwe kofanana ndi kameneka muyeso. Dongosolo loyezera zinthu pogwiritsa ntchito manja liyenera kukhazikitsidwanso pa gawo lililonse loyezera, nthawi zambiri pogwirizanitsa ndi zinthu zoyezera zomwe zili pa workpiece yokha kapena zinthu zina zoyezera zomwe zayikidwa pa cholingacho. Kusiyana kwakukulu kumeneku kuli ndi tanthauzo lalikulu pa kulondola kwa muyeso, kutsata, ndi njira yonse yoyezera. Popanda malo okhazikika oyezera omwe atsimikiziridwa kudzera mu kusanthula koyenera, miyeso yomwe imatengedwa ndi chipangizo chogwiritsidwa ntchito ndi manja ingakhale yofanana mkati koma yosatsatizana ndi miyezo yodziwika.
Apa ndi pomwe mbale yoyezera pamwamba imakhala yofunika kwambiri kuti CMM igwire bwino ntchito. Ngakhale kuti ukadaulo wapamwamba uli m'makina amakono oyezera, amafunikirabe miyezo yoyezera yomwe ingagwiritsidwe ntchito poyesa ndikuyesa. Mbale ya pamwamba, yolondola kwambiri komanso yosalala kwambiri komanso yoyezera motsatira miyezo yodziwika bwino monga ISO 8512 kapena ASME B89.3.7, imaperekanso izi. Mbale yoyezera pamwamba yoyezera bwino imagwira ntchito ngati malo ofunikira omwe makina oyezera oyezera m'manja amatha kutsimikizira kulondola kwake ndikutsimikiza kuti miyezo ya dziko lonse ndi yolondola.
Ubale pakati pa ma CMM ogwiritsidwa ntchito m'manja ndi ma calibrate surface plates umaonekera m'njira zingapo zothandiza. Asanayambe ntchito zoyezera mozama, akatswiri nthawi zambiri amachita ma check otsimikizira poyesa zinthu zodziwika bwino pa calibrate surface plate. Ma check otsimikizirawa amatsimikizira kuti makina ogwiritsidwa ntchito m'manja akugwira ntchito motsatira zomwe zafotokozedwa ndipo kuti calibrate yake ikugwirabe ntchito. Ngati pali kusiyana, makinawo akhoza kusinthidwanso kapena kubwezeretsedwa ku ntchito kuti awunikenso musanayambe kuyeza. Njira yotsimikizirayi ndi yofunika kwambiri pamene ma CMM ogwiritsidwa ntchito m'manja akugwiritsidwa ntchito pa ntchito zomwe zimafuna kulondola kwambiri kapena pamene zotsatira za muyeso zidzagwiritsidwa ntchito posankha zovomerezeka.
Kuyesa makina oyezera a coordinate nthawi ndi nthawi kumafuna calibrate surface plate ngati gawo la njira yoyezera. Miyezo ya ISO 10360 imafotokoza mayeso ovomereza ndi kutsimikizira mitundu yosiyanasiyana ya makina oyezera a coordinate, kuphatikiza machitidwe onyamulika. Mayesowa amaphatikizapo kuyeza zinthu zoyezera zomwe zili ndi geometries ndi miyeso yodziwika bwino, ndipo miyeso iyenera kutsatiridwa ku miyezo ya dziko kudzera mu unyolo wosasweka wa calibration. Ma plates apamwamba omwe amagwiritsidwa ntchito mu njira zoyezera izi ayenera kuyesedwa nthawi ndi nthawi, ndi bajeti zosatsimikizika zomwe zimapangitsa kuti CMM calibration isadziwike bwino.
Kufunika kogwiritsa ntchito mbale yoyezera pamwamba yokhala ndi ma CMM ogwiritsidwa ntchito m'manja kumapitirira ntchito zoyezera zovomerezeka mpaka kuchita zoyezera zachizolowezi. Poyesa kusalala, kufanana, kapena makhalidwe ena a geometric omwe amafunikira pulani yowunikira, mbale yoyezera pamwamba yowunikira imapereka chizindikiro chomwe mawonekedwe a workpiece angayesedwe. CMM yogwiritsidwa ntchito m'manja imayesa mfundo pamwamba pa plate kuti ikhazikitse pulani yowunikira, kenako imayesa mfundo pa workpiece poyerekeza ndi chizindikirochi. Kulondola kwa miyeso yomwe ikubwera kumadalira mwachindunji kusalala ndi momwe plate pamwamba pake imagwiritsidwira ntchito ngati chizindikiro.
Opanga omwe amagwiritsa ntchito makina oyezera opangidwa ndi manja osayang'anira bwino miyezo yowunikira ndi zofunikira pakuyesa akhoza kuwononga mtengo wa ndalama zomwe akugwiritsa ntchito poyesa. Kusinthasintha ndi ubwino wa liwiro la muyeso wonyamulika zitha kuchepetsedwa ngati deta yomwe yapezekayo ikusowa kulondola ndi kutsata kofunikira pakupanga zisankho zabwino. Muyeso womwe ndi wachangu koma wolakwika supereka phindu, ndipo ungabweretse mavuto ngati ungapangitse kuti zigawenga zivomerezedwe kapena kukana zigawenga zomwe zikugwirizana ndi zomwe zagwiritsidwa ntchito. Chophimba pamwamba pa calibration, ngakhale kuti ndi chosavuta poyerekeza ndi makina apamwamba oyezera zamagetsi, chimakhalabe chinthu chofunikira kwambiri pakuyesa bwino.
Zofunikira pakuyesa ma plate pamwamba pa matabwa pogwiritsa ntchito CMM m'manja zimatsatira njira zodziwika bwino zoyezera. Ma plate pamwamba ayenera kuyezedwa nthawi ndi nthawi malinga ndi miyezo yoyenera kapena njira zabwino za bungwe, nthawi zambiri pachaka pama plate omwe amagwira ntchito nthawi zonse. Kuyesa kuyenera kuchitika ndi ma laboratories ovomerezeka omwe ali ndi luso lotha kutsatiridwa ndi mabungwe oyesa dziko lonse. Satifiketi yoyezera iyenera kulemba kusiyana kwa kusalala pamwamba pa plate, kusatsimikizika kwa muyeso, ndi miyezo yogwiritsidwa ntchito. Ma plate aliwonse pamwamba omwe sakwaniritsa zofunikira zokhazikika ayenera kukonzedwanso kapena kusinthidwa asanabwezeretsedwe kuntchito.
Kuwongolera chilengedwe cha malo omwe kuwerengera kumachitika ndikofunikira ngakhale pa ntchito za CMM zogwiritsidwa ntchito m'manja zomwe zingachitike m'mikhalidwe yosalamulirika kwambiri. Cholembera cha pamwamba chomwe chimagwiritsidwa ntchito kutsimikizira ndikuwongolera makina oyezera onyamulika chiyenera kusungidwa pamalo okhala ndi kutentha kokhazikika, nthawi zambiri kumayang'aniridwa mpaka madigiri makumi awiri Celsius ndi kulekerera kolimba pakusintha kwa kutentha. Kusinthasintha kwa kutentha kumakhudza mbale ya pamwamba ndi CMM yogwiritsidwa ntchito m'manja, zomwe zitha kuyambitsa zolakwika mu miyeso ya calibration zomwe zingasokoneze kutsimikizika kwa calibration. Ngakhale CMM zogwiritsidwa ntchito m'manja zimapangidwa kuti zilekerere kusintha kwa chilengedwe komwe kumachitika pamalo opangira, ntchito zowerengera zimafuna mikhalidwe yowongoleredwa kwambiri yomwe nthawi zambiri imagwirizanitsidwa ndi kuyeza molondola.
Kusintha kwa ukadaulo wa makina oyezera zinthu pogwiritsa ntchito manja kukupitilirabe kukulitsa luso lawo ndi ntchito zawo, koma sikunachotse mfundo zazikulu za metrology zomwe zimalamulira kuyeza kolondola konse. Kutsata miyezo yodziwika bwino, kutsimikizira magwiridwe antchito a makina oyezera, komanso kusamala kwambiri miyezo yoyezera zinthu kumakhalabe zinthu zofunika kwambiri pa khalidwe la kuyeza. Chophimba pamwamba pa calibrate, chomwe sichinagwiritsidwe ntchito ndi ukadaulo wapamwamba woyezera zinthu, chakhala chofunikira kwambiri ngati muyezo woyezera womwe umalola ma CMM oyezera zinthu pogwiritsa ntchito manja kukwaniritsa lonjezo lawo la kuyeza molondola komanso kolondola kulikonse komwe kukufunika.
Mabungwe opanga omwe akukhazikitsa ukadaulo wa CMM wogwiritsidwa ntchito ndi manja ayenera kupanga mapulogalamu owongolera machitidwe oyezera omwe amayang'ana kuthekera kwa zida zonyamulika komanso zofunikira zothandizira zomangamanga, kuphatikiza miyezo yoyezera yolinganizidwa. Maphunziro a ogwira ntchito a CMM ogwiritsidwa ntchito ndi manja sayenera kungophatikizapo kugwiritsa ntchito ukadaulo wa zidazo komanso kumvetsetsa kusatsimikizika kwa muyeso, kutsata, ndi ntchito yoyezera pakusunga umphumphu wa muyeso. Njira zoyendetsera khalidwe ziyenera kufotokoza nthawi yomwe kuyeza kutsimikizira motsutsana ndi maumboni olinganizidwa kumafunika komanso momwe momwe mulingo woyezera umasungidwira ndikulembedwa.
Pamene kupanga kukupitilirabe njira yake yopezera kusinthasintha kwakukulu, nthawi yofulumira ya kuzungulira, komanso njira zowongolera khalidwe zogwirizana, ntchito ya makina oyezera olumikizidwa ndi manja ipitilira kukula. Zida zamphamvuzi zawonetsa kuthekera kwawo kosintha muyeso kuchokera ku ntchito yapadera ya labotale kukhala gawo la ntchito zopanga. Komabe kugwira ntchito bwino kumadalira kukhazikitsidwa koyenera komwe kumazindikira kuthekera kwawo komanso zofunikira zawo. Chophimba pamwamba pa calibrate, chomwe chili ngati malo okhazikika owunikira otsimikiziridwa kudzera mu njira zolimba zowunikira, chimapereka maziko omwe kusinthasintha ndi mphamvu ya ukadaulo wa CMM wogwiritsidwa ntchito ndi manja zitha kumangidwa modalirika. Pakusintha kwa muyeso pamalopo, mgwirizano uwu pakati pa ukadaulo wapamwamba wonyamulika ndi miyezo yoyambira yowunikira ukuwonetsa momwe luso mu metrology limamangirira, m'malo molowa m'malo, mfundo zomwe zimatsimikizira kulondola kwa muyeso ndi kutsata.
Nthawi yotumizira: Epulo-21-2026