Uhlelo lwe-CNC lwamathuluzi omshini we-CNC luhlanganisa amadivaysi e-CNC, idrayivu yokuphakelayo (iyunithi yokulawula isivinini sokuphakelayo kanye ne-servo motor), i-spindle drive (iyunithi yokulawula isivinini sokuphotha kanye ne-spindle motor) kanye nezingxenye zokuthola. Okuqukethwe okungenhla kufanele kufakwe lapho kukhethwa isistimu yokulawula izinombolo. 1. Ukukhethwa kwedivayisi ye-CNC (1) Ukukhetha uhlobo Khetha idivayisi ye-CNC ehambisanayo ngokohlobo lwethuluzi lomshini we-CNC. Ngokuvamile, idivayisi ye-CNC inezinhlobo zokucubungula ezifanele imoto, ukubhola, ukubhora, ukugaya, ukugaya, ukugxiviza, ukusika i-spark kagesi, njll., futhi kufanele kukhethwe ngendlela ehlosiwe. ( 2) Ukukhethwa kokusebenza kwamadivayisi ahlukene okulawula amanani kuyehluka kakhulu. Inombolo yama-eksisi okulawula okokufaka yi-eksisi eyodwa, i-2-eksisi, i-3-eksisi, i-4-eksisi, i-5-eksisi, noma ngisho nangaphezulu kwama-eksisi angu-10, ngaphezu kwama-eksisi angu-20; inani lezimbazo zokuxhuma liyizimbazo ezi-2 noma ngaphezulu kuka-3, futhi isivinini sokuphakela esiphezulu singu-10m/min, 15m/min, 24m/mi N,240m/min; Ukulungiswa kungu-0.01mm, 0.001mm, 0.0001mm. Lezi zinkomba zihlukile, futhi intengo nayo ihlukile. Kufanele kusekelwe ezidingweni zangempela zethuluzi lomshini. Isibonelo, isilawuli se-axis engu-2 noma esingu-4 (isibambi samathuluzi esikabili) sikhethelwa ukucutshungulwa okujwayelekile, futhi okungaphezu kuka-3-eksisi okuxhunywayo kukhethwa ukuze kucutshungulwe izingxenye zendiza. Ungaphishekeli izinga lakamuva neliphezulu, kufanele wenze ukukhetha okuphusile.
(3) Ukukhetha umsebenzi Uhlelo lwe-CNC lwamathuluzi omshini we-CNC lunemisebenzi eminingi, kuhlanganise nemisebenzi eyisisekelo - imisebenzi ebalulekile yemishini ye-CNC; imisebenzi yokukhetha - imisebenzi abasebenzisi abangayikhetha. Eminye yemisebenzi ikhethwa ukuze kuxazululwe izinto ezicutshungulwayo ezihlukene, eminye ngeyokuthuthukisa ikhwalithi yokucutshungulwa, eminye ngeyokusiza ukuhlela, kanti eminye ngeyokuthuthukisa ukusebenza nokulungiswa kokusebenza. Eminye imisebenzi yokukhetha ibalulekile, futhi kufanele ukhethe enye ukuze ukhethe lena. Ngakho-ke, kuyadingeka ukukhetha ngokuvumelana nezidingo zokuklama zethuluzi lomshini, ungahlaziyi, ukhethe umsebenzi ngezinyathelo eziningi kakhulu, futhi ushiye imisebenzi efanele, ukuze unciphise umsebenzi wethuluzi lomshini we-CNC futhi ubangele ukulahlekelwa okungadingekile. Kunezinhlobo ezimbili zezilawuli ezihlelekayo emsebenzini wokukhetha: eyakhelwe ngaphakathi futhi ezimele. Kungcono ukukhetha imodeli eyakhelwe ngaphakathi, enamamodeli ahlukene. Okokuqala, kufanele kukhethwe ngokuya ngenani lamasiginali okokufaka nokuphumayo phakathi kwedivayisi ye-CNC nethuluzi lomshini. Amaphuzu akhethiwe kufanele abe amaphuzu asebenzayo kancane, futhi indebe ingase yengeze futhi iguqule isidingo sokulawula ukusebenza. Okwesibili, kuyadingeka ukulinganisa isikali sohlelo olulandelanayo bese ukhetha umthamo wokugcina. Isikali sohlelo sikhuphuka ngobunkimbinkimbi bethuluzi lomshini, futhi umthamo wokugcina uyakhula. Kufanele kukhethwe ngokunengqondo ngokuvumelana nesimo esithile. Kukhona futhi isikhathi sokucubungula, umsebenzi weziyalezo, isibali sikhathi, isibali, ukudluliselwa kwangaphakathi nokunye ukucaciswa kobuchwepheshe, futhi ubuningi kufanele buhlangabezane nezidingo zedizayini.
( 4) Intengo ye-Xu Ze emazweni ahlukene kanye nabakhiqizi bemishini ye-CNC ikhiqiza ukucaciswa okuhlukile kwemikhiqizo enomehluko omkhulu wamanani. Ngesisekelo sokwanelisa uhlobo lokulawula, ukusebenza kanye nokukhetha komsebenzi, kufanele sihlaziye ngokugcwele isilinganiso senani lokusebenza bese sikhetha amadivayisi e-CNC anesilinganiso esiphezulu samanani okusebenza ukuze kwehliswe izindleko.(5) Lapho ukhetha idivayisi yokulawula izinombolo ehlangabezana nezidingo zobuchwepheshe, ukukhethwa kwezinsizakalo zobuchwepheshe kufanele futhi kucabangele isithunzi somkhiqizi, ukuthi imiyalelo yomkhiqizo, neminye imibhalo yomsebenzisi ingaqeqesha yini umuntu kanye nohlelo lokunakekela, noma ngabe umsebenzi wokulungisa uphelele yini. Ingabe ukhona umnyango wesevisi yezobuchwepheshe okhethekile ukuze unikeze izingxenye ezisele kanye nezinsizakalo zokulungisa ngesikhathi isikhathi eside ukuze uthole izinzuzo zobuchwepheshe nezomnotho. 2. Ukukhethwa kwe-feed drive (1) i-AC servo motor kukhethwa, ngoba uma kuqhathaniswa ne-DC motor, i-rotor inertia incane, impendulo eguquguqukayo ilungile, amandla okukhiphayo makhulu, isivinini sokujikeleza siphezulu, isakhiwo silula, izindleko ziphansi, futhi indawo yesicelo ayinqunyelwe. ( 2) Khetha i-servo motor yencazelo efanele ngokubala kahle izimo zomthwalo ezingezwe ku-motor shaft. ( 3) Umkhiqizi wedrayivu yokuphakelayo uhlinzeka ngochungechunge lwamasethi aphelele emikhiqizo yeyunithi yokulawula isivinini sokuphakelayo kanye nenjini ye-servo, ngakho-ke ngemva kokukhethwa kwenjini ye-servo, iyunithi yokulawula isivinini ehambisanayo iyakhethwa ebhukwini lomkhiqizo. 3. Ukukhethwa kwe-spindle drive (1) Injini yokuphotha evamile iyakhethwa, ngoba ayinayo imingcele yokuhamba, isivinini esikhulu kanye nomthamo omkhulu njenge-DC spindle motor. Ibanga eliqhubekayo lokulawula isivinini samandla likhulu, umsindo uphansi, futhi intengo ishibhile. Njengamanje, u-85% wamathuluzi omshini we-CNC aqhutshwa ama-spindle e-AC emhlabeni. ( Ithuluzi lomshini we-CNC)(2) Khetha injini yokuphotha ngokuvumelana nalezi zimiso ezilandelayo: 1 Amandla okusika abalwa ngokwamathuluzi omshini ahlukene, futhi injini ekhethiwe kufanele ihlangabezane nale mfuneko; 2 Ngokusho kwesikhathi esidingekayo sokusheshisa nokuncishiswa kwe-spindle, kubalwa ukuthi amandla emoto akufanele adlule amandla aphezulu okukhipha imoto; 3 Uma i-spindle idingeka ukuthi iqale njalo futhi ibhuleki, izinga kufanele libalwe. Inani lamandla amaphakathi alikwazi ukudlula amandla okukhiphayo alinganiselwe aqhubekayo enjini;④ Esimeni lapho indawo engaguquki idingeka ukuthi ilawulwe, isamba samandla okusika adingekayo ukuze kube nokulawula isivinini esingaphezulu kwendawo kanye namandla adingekayo ukuze kusheshiswe kuzoba ngaphakathi kwebanga lamandla injini engalinikeza. ( 3) Umkhiqizi we-spindle drive uhlinzeka ngochungechunge lwamasethi aphelele emikhiqizo yeyunithi yokulawula isivinini sokuphotha kanye nenjini yokuphotha, ngakho-ke ngemva kokukhethwa kwenjini yokuphotha, iyunithi yokulawula isivinini sokuphotha ehambisanayo iyakhethwa encwadini yomkhiqizo. ( 4) Uma i-spindle idingeka ukuze ulawule indlela, ngokuya ngesimo sangempela sethuluzi lomshini, khetha isifaki khodi sendawo noma inzwa kazibuthe ukuze ubone isilawuli sesiqondiso sokuphotha. 4. Ukukhethwa kwezinto ezitholwayo (1) Ngokohlelo lokulawula indawo lwesistimu yokulawula izinombolo, ukugudluzwa komugqa kwethuluzi lomshini kukalwa ngokuqondile noma ngokungaqondile, futhi izici zokuthola umugqa noma ezijikelezayo ziyakhethwa. Njengamanje, isilawuli se-semi-closed-loop sisetshenziswa kakhulu kumathuluzi omshini we-CNC, futhi izakhi zokulinganisa i-rotary angle (ama-rotary transformer, ama-pulse encoder) akhethiwe. ( 2) Ngokwezidingo zamathuluzi omshini we-CNC ukuthola ukunemba noma isivinini, khetha indawo noma izici zokuthola isivinini (amajeneretha okuhlola, izifaki khodi ze-pulse). Ngokuvamile, amathuluzi omshini amakhulu ahlangabezana nezidingo zejubane, futhi amathuluzi omshini wokunemba okuphezulu, amancane nosayizi omaphakathi ahlangabezana nokunemba. Ukulungiswa kwesici esitholiwe esikhethiwe ngokuvamile kuwuhlelo lobukhulu obungaphezulu kokunemba kokucubungula. ( 3) Okwamanje, into evame ukusetshenziswa kakhulu yokuthola amathuluzi omshini we-CNC (umshini ovundlile oyisicefe nowokugaya) isishumeki se-photoelectric pulse, esikhetha isishumeki se-pulse sokucaciswa okuhambisanayo ngokuya nge-ball screw pitch yethuluzi lomshini we-CNC, ukunyakaza okuncane kohlelo lwe-CNC, ukukhuliswa komyalo kanye nokukhulisa ukutholwa. ( 4) Lapho kukhethwa isici sokuthola, kufanele kucatshangelwe ukuthi idivayisi yokulawula izinombolo inomjikelezo ohambisanayo wesixhumi esibonakalayo.