Wopanga zida akalakwitsa kapena akugwiritsa ntchito zida, vuto la kupatuka nthawi zambiri limachitika pakuponda kapena kuwongolera mayendedwe a servo. Kupatuka kumatha kubwera chifukwa chamisonkhano yolakwika, kusokoneza kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka magetsi, kusokoneza magetsi mu zipangizo, kusokoneza zida zogwirira ntchito kapena zosayenera pa waya panthawi yopangira zida.
一, Pamene zopatuka osasamba akupezeka:
1. Phenomenon description: kupatuka kumachitika mosasinthasintha panthawi yogwira, ndipo kupatuka sikukuwonekera
Choyambitsa 1 : kusokonezedwa kumayambitsa magalimoto
Ziwunikiridwe: zambiri zakusokonekera kwakanthawi zimayambitsidwa ndi kusokonezedwa, ndipo gawo laling'ono limayamba chifukwa chokhotakhota kakhadi loyendetsa kapena mawonekedwe amamasulidwe.
Yankho: ngati kulowereraku kumachitika pafupipafupi, oscilloscope itha kugwiritsidwa ntchito kuwunika kuchuluka kwa kugunda kuti mudziwe nthawi yolowera, kenako ndikuzindikira komwe kungasokoneze. Kuchotsa kapena kusunga chizindikiritso kuchokera pazomwe zingasokoneze kumatha kuthana ndi zosokoneza. Ngati kulowererako kumachitika mwa apo ndi apo, kapena kumakhala kovuta kudziwa komwe kuli komwe kungasokonezedwe kapena kabati yamagetsi yakhazikika ndikovuta kusuntha, izi zingachitike pothana ndi vutoli:
A: Pansi pa dalaivala
B: Sinthanitsani mzere ndi zingwe zopindika zotchinga
C: kugunda koyenera ndi koyipa kumatha kufanana 103 ceramic capacitor fyuluta (kugunda kwamafupipafupi osakwana 54khz)
D: chizindikiro chogunda chimakulitsa mphete yamaginito
Onjezerani fyuluta kumapeto kwa e driver ndi magetsi
Zomwe zimasokonezedwa zimaphatikizapo zosinthira pafupipafupi, valavu yamagetsi, waya wamagetsi, chosinthira, kulandirana koyilo, ndi zina zambiri.
Pokonzekera kabati yamagetsi, mzere wazizindikiro uyenera kupewedwa kuti ukhale pafupi ndi zosokoneza izi, ndipo mzere wazizindikiro ndi mzere wamagetsi wamagetsi ambiri ziyenera kulumikizidwa ndi mitengo ikuluikulu yosiyanasiyana.
Zomwe zingayambitse 2 : sitima yamagetsi imawoneka ngati yopapatiza
Kuunikira kwakanthawi: ntchito yoyendetsa sitimayo yomwe imatumizidwa ndi khadi loyendetsa kasitomala ndi yaying'ono kapena yayikulu kwambiri, zomwe zimapangitsa kupindika pang'ono, komwe sikungazindikiridwe ndi driver, komwe kumapangitsa kukhumudwa.
Zomwe zingayambitse 3: mawonekedwe osakhazikika
Kusanthula komwe kulumikiza, gudumu lofananira, chowongolera ndi zolumikizira zina zolumikizidwa ndi zomangira kapena zomata ndi zomangira zitha kukhala zotayirira poyenda kwakanthawi kwakanthawi kochepa, zomwe zimapangitsa kupatuka. Ngati gudumu loyanjana limayikidwa ndi kiyi ndi nseu, chilolezo pakati pa kiyi ndi kiyi chiyenera kusamalidwa, ndipo chilolezo choyenera pakati pa kiyi ndi kiyi chiyenera kusamalidwa pakapangidwe ka pinion.
Yankho: magawo ofunikira ndi zomangira zomangidwa mwamphamvu ziyenera kukhala ziyangoyango zam'masika, ndipo zomangira kapena ma jackscrews akuyenera kuvala ndi zomata zomata. Shaft yamagalimoto yolumikizira imalumikizidwa ndi keyway momwe zingathere.
Zomwe zingayambitse 4: fyuluta capacitance ndi yayikulu kwambiri
Zoyesa : fyuluta capacitance ndi yayikulu kwambiri. Mafupipafupi odulira fyuluta wamba ya RC ndi 1/2, RC. Kukula kwa capacitance kumakhala kocheperako. Kulimbikira kumapeto kwa driver dalaivala ndi 270 ohm, ndipo mafupipafupi odulidwa a RC fyuluta yoyenda yopangidwa ndi 103 ceramic capacitors ndi 54 kHz. Ngati mafupipafupi ndi apamwamba kuposa awa, zizindikilo zina zothandiza sizingazindikiridwe ndi driver chifukwa chakuchepetsa kwambiri matalikidwe, ndipo pamapeto pake zimadzetsa zovuta.
Yankho: mukamawonjezera fyuluta capacitor, ndikofunikira kuwerengera pafupipafupi ndikuwonetsetsa kuti mafupipafupi odutsa pafupipafupi amakwaniritsa zofunikira.
Chifukwa chomwe chingakhale 5: kuchuluka kwamafupipafupi a PLC kapena khadi yoyendetsa mayendedwe sikokwanira mokwanira
Kuunikira kwakanthawi: kuchuluka kwamafupipafupi ovomerezeka a PLC ndi 100kHz, ndipo khadi loyendetsa mayendedwe limasiyanasiyana kwambiri kutengera momwe zimakhalira, makamaka khadi yolamulira yoyenda yopangidwa ndi microcomputer wamba imodzi imatha kubweza chifukwa chakuchepera kwama pulse.
Yankho: ngati kuchuluka kwamafupipafupi a kompyuta yakumtunda kuli kochepa, kuti zitsimikizire kuthamanga, magawidwe oyendetsa akhoza kuchepetsedwa moyenera kuti zitsimikizire kuti magalimoto azungulira.
二, Pamene zopatuka zonse amapezeka:
1. Kufotokozera kwa zodabwitsazi: mukapita patsogolo kwambiri, mumapatuka (kapena zochepa)
Zotheka 1: kugunda kofanana sikulondola
Analysis chifukwa: kaya synchronous dongosolo gudumu kapena dongosolo zida chikombole, pali zolakwa Machining molondola. Khadi loyang'anira (PLC) silikhazikitsa kukhazikika kolondola kofanana. Mwachitsanzo, ngati galimoto yamagudumu omaliza imayenda mozungulira bwalo limodzi ndipo zida zake zimapita patsogolo ndi 10.1 mm pomwe mota wa mgulu womaliza wamagudumu oyenda uzungulira bwalo, mota wamagulu awiriwa amayenda 1% mtunda wopitilira zida zam'mbuyomu nthawi iliyonse.
Yankho: musanachoke pamakinawo, jambulani lalikulu lalikulu momwe mungathere ndi makinawo, kenako muyeso kukula kwake ndi wolamulira, yerekezerani kuchuluka pakati pa kukula kwenikweni ndi kukula kokhazikitsidwa ndi khadi lolamulira, kenako onjezerani kulamulira ntchito yamakhadi. Mukabwereza katatu, phindu lolondola lidzapezedwa.
Choyambitsa 2: zoyambitsa zamalangizo zimasemphana ndi kusintha kwamalingaliro amotsatira malangizo
Kusanthula komwe dalaivala amafunika kuti kompyuta yakumtunda izitumiza momwe zimayendera ndikuwongolera kutembenuka kwamalamulo kumakhala ndi zofunikira zina munthawi. Makadi ena a PLC kapena oyendetsa mayendedwe sakakwaniritsa zofunikira (kapena malamulo awo sakwaniritsa zofunikira za dalaivala), kugunda ndi kuwongolera komwe sikungakwaniritse zofunikira ndikunyalanyaza.
Yankho: wopanga mapulogalamu a khadi yolamulira (PLC) apititsa patsogolo chitsogozo. Kapena Dalaivala Wofunsira woyendetsa amasintha momwe mitunduyi imagwirira ntchito
2. Phenomenonon description: during the movement, the motor vibrate at a fixed point. Mukadutsa mfundoyi, imatha kuthamanga bwinobwino, koma imatha kuyenda pang'ono
Zomwe zingayambitse: vuto la msonkhano wamakina
Kufufuza chifukwa: kulimbikira kwamakina pamalo ena kumakhala kwakukulu. Chifukwa chofananira, kuyerekezera kopanda tanthauzo kapena kapangidwe kosalingalira kokhazikitsira makina, kulimbikira kwa zida nthawi ina ndikokulirapo. Lamulo losiyanasiyana la makokedwe a stepper motengera ndikuti liwiro ndilothamanga kwambiri, ndiye kuti torque ndiyocheperako. Ndikosavuta kukakamira mgawo lothamanga kwambiri, koma limatha kudutsa pomwe liwiro likutsika.
Zothetsera:
1. Onetsetsani kuti makinawa ndi othinana, ngati kusamvana kwawo kuli kwakukulu kapena njanji sizili zofanana.
2. Makokedwe a stepper motor sikokwanira. Chifukwa chofunikira kukulitsa liwiro kapena kukulitsa katundu wa makasitomala osachiritsika, makokedwe amtundu wamagalimoto omwe angakwaniritse zofunikira sikokwanira pa liwiro lalikulu, zomwe zimabweretsa chodabwitsa cha ozungulira otsekedwa mgawo lothamanga kwambiri. Yankho ndikukhazikitsa zotulutsa zazikulu kudzera mwa dalaivala, kapena kuwonjezera magetsi pamagetsi oyenera a dalaivala, kapena kusintha mota ndi torque yayikulu.
3.Phenomenonon description: mota wobwezeretsanso zoyenda sanapite pamalo pomwe ndalama zakonzedwa
Zomwe zingayambitse: chilolezo cha lamba
Kuunikira kwakanthawi: pamakhala kusintha pakati pa lamba ndi gudumu lofananira, ndipo padzakhala maulendo angapo osachita chilichonse mukamabwerera.
Yankho: ngati khadi loyendetsa loyendetsa lili ndi ntchito yolipira ngongole ya lamba, itha kugwiritsidwa ntchito; kapena kumangitsa lamba.
4. Kufotokozera kwapadera: njira zodulira ndi kujambula sizigwirizana
Chotheka 1: kuchuluka kwa inertia
Zifukwa Analysis: ndondomeko inkjet wa lathyathyathya kudula chiwembu umalamulidwa ndi grating, kupanga sikani zoyenda, ndi zoyenda motion amatengedwa pa kudula. Cholinga chake ndikuti inertia ya x-axis trolley yazida zofananira ndizochepa ndipo imapezeka ndi grating, ndipo malo a inkjet ndi olondola. Komabe, inertia ya y-axis gantry dongosolo ndi yayikulu, ndipo kuyankha kwamagalimoto sikokwanira. Kupatuka pang'ono pamayendedwe kumayambitsidwa ndi kutsata koyipa kwa Y-axis panthawi yamagulu osinthira.
Yankho: wonjezerani kuchuluka kwa y-axis deceleration, gwiritsani ntchito Notch ntchito kukonza kuuma kwa driver wa servo kuti athetse vutoli.
Chotheka chake 2 : kuchuluka kwa mpeni ndi mphuno sizinasinthidwe bwino
Analysis chifukwa: chifukwa chodulira ndi nozzle imayikidwa pa trolley ya x-axis, koma pali kusiyana pakati pawo. Mapulogalamu apamwamba apakompyuta a makina odulira ndi kujambula amatha kusintha magwiridwe antchito kuti njira ya mpeni ndi nozzle zigwirizane. Ngati sichoncho, njira yocheka ndi kujambula idzalekanitsidwa kwathunthu.
Yankho: sinthani magawo andalama za mpeni ndi bubu.
5. Kufotokozera kwa zodabwitsazi: kujambula bwalo kumapangitsa ellse
Zomwe zingayambitse: nkhwangwa ziwiri za nsanja ya XY yolowera sizowonekera
Ziwunikiridwe: XY axis kapangidwe, zojambula pazithunzi, monga kujambula bwalo mu ellipse, lalikulu lalikulu mu parallelogram. Vutoli limatha kuyambika pomwe ma x-axis ndi Y-axis amangidwe a gantry sali owongoka.
Yankho: vutoli litha kuthetsedwa ndikusintha kukula kwa x-axis ndi Y-axis ya gantry.
Post nthawi: Aug-17-2020