Injini licandelo lamandla elibaluleke kakhulu kwiUmshicileli we-3D, ukuchaneka kwayo kuhambelana nesiphumo esihle okanye esibi soshicilelo lwe-3D, ngokubanzi ushicilelo lwe-3D ekusebenziseni i-motor stepper.
Ke ngaba kukho nabaphi na abashicileli be3D abasebenzisa iimotor zeservo? Iyoyikeka ngokwenene kwaye ichanekile, kodwa kutheni ungayisebenzisi kwiiprinta eziqhelekileyo ze-3D?
Enye i-drawback: ibiza kakhulu! Xa kuthelekiswa nabashicileli be-3D abaqhelekileyo ayifanelanga. Ukuba ingcono kubashicileli bemizi-mveliso iyafana okanye iyafana, inokuphucula ukuchaneka kancinci.
Apha siza kuthatha ezi njini zimbini, uhlalutyo oluneenkcukacha lokuthelekisa ukubona ukuba yintoni umahluko.
Iingcaciso ezahlukeneyo.
Injini yokunyathelasisixhobo esishukumayo esicacileyo, sahlukile kwi-AC eqhelekileyo kunyeIinjini zeDC, iimotor eziqhelekileyo ukuya kumbane ukujika, kodwa i-stepper motor ayinjalo, i-stepper motor kukufumana umyalelo wokwenza inyathelo.
I-Servo motor yi-injini elawula ukusebenza kwamacandelo oomatshini kwinkqubo ye-servo, enokwenza isantya solawulo, ukuchaneka kwendawo ichaneke kakhulu, kwaye inokuguqula umqondiso wombane ube yitorque kunye nesantya sokuqhuba into yokulawula.
Nangona ezi zimbini zifana kwindlela yokulawula (intambo ye-pulse kunye nesignali yesalathiso), kukho ukungafani okukhulu ekusebenziseni ukusebenza kunye nezihlandlo zokusetyenziswa. Ngoku uthelekiso lokusetyenziswa kwentsebenzo emibini.
Ukuchaneka kokulawula kwahlukile.
Izigaba ezibinihybrid stepper motorinyathelo angle ngokubanzi , 1.8 °, 0.9 °
Ukuchaneka kolawulo lwe-AC servo motor iqinisekiswa yi-encoder ejikelezayo ngasemva kwe-motor shaft. Kwi-Panasonic yedijithali epheleleyo ye-AC servo motor, umzekelo, kwi-motor ene-encoder ye-2500-line encoder, i-pulse elingana ne-360 ° / 10000 = 0.036 ° ngenxa ye-quadruple frequency technology esetyenziswa ngaphakathi kwi-drive.
Kwimoto ene-17-bit encoder, i-drive ifumana i-217=131072 pulses nge-motor revolution, okuthetha ukuba i-pulse yayo ilingana ne-360 °/131072=9.89 imizuzwana, eyi-1/655 ye-pulse elingana ne-stepper motor ene-angle ye-8.
Iimpawu ezahlukeneyo ze-low-frequency.
I-Stepper motor kwisantya esisezantsi iya kubonakala isenzeko sokungcangcazela okusezantsi-frequency. I-vibration frequency inxulumene nemeko yomthwalo kunye nokusebenza kwe-drive, kwaye ngokuqhelekileyo ithathwa njengesiqingatha sokungabikho komthwalo wokuqalisa ukuhamba kwemoto.
Le nto ye-vibration ye-low-frequency vibration egqitywe ngumgaqo wokusebenza we-stepper motor iyingozi kakhulu ekusebenzeni okuqhelekileyo komatshini. Xa iimotor ze-stepper zisebenza ngesantya esiphantsi, itekhnoloji yokudambisa kufuneka isetyenziswe ngokubanzi ukoyisa into ephantsi ye-vibration, njengokongeza iidampers kwimotor, okanye ukusebenzisa itekhnoloji yokwahlulahlula kwi-drive.
I-AC servo motor ibaleka kakuhle kwaye ayingcangcazeli nakwizantya eziphantsi. Inkqubo ye-servo ye-AC inomsebenzi woxinzelelo lwe-resonance, onokugubungela ukungabikho kobulukhuni koomatshini, kwaye inkqubo inomsebenzi wangaphakathi wokusombulula amaza ombane, onokubona indawo ye-resonance yoomatshini kwaye iququzelele uhlengahlengiso lwenkqubo.
Ukusebenza okuhlukeneyo.
Ulawulo lwemoto ye-Stepper lulawulo oluvulekileyo lwe-loop, iphezulu kakhulu i-frequency yokuqala okanye umthwalo omkhulu kakhulu uthambekele kwisiganeko samanyathelo alahlekileyo okanye ukuthintela, isantya esiphezulu kakhulu xa ukumisa kuxhomekeke ekugqithiseni, ukuze kuqinisekiswe ukuchaneka kokulawula kwayo, kufuneka kujongane nengxaki yesantya phezulu nasezantsi.
Inkqubo ye-AC servo drive yolawulo lwe-loop evaliweyo, umqhubi unokusampula ngokuthe ngqo isiginali yengxelo ye-encoder yemoto, ukubunjwa kwangaphakathi kwe-loop yendawo kunye nesantya sesantya, ngokuqhelekileyo akuyi kubonakala i-stepper motor ilahleko yenyathelo okanye i-overshoot phenomenon, ukusebenza kolawulo kunokwethenjelwa ngakumbi.
Isishwankathelo, inkqubo ye-AC servo kwimiba emininzi yokusebenza ingcono kune-stepper motor. Kodwa kwezinye iimeko ezingaphantsi kwemfuneko zihlala zisebenzisa i-stepper motor ukwenza i-execution motor. Umshicileli we-3D sisihlandlo esincinci, kwaye i-servo motor ibiza kakhulu, ngoko ke ukhetho oluqhelekileyo lwe-stepper motor.
Ixesha lokuposa: Feb-05-2023