Zopondera zopondera

Kusintha kwazinthu
Mtundu woyambirira wa mota wopondera uja unachokera kumapeto kwa 1930s kuyambira 1830 mpaka 1860. Ndikapangira zida zamagetsi zosatha ndi ukadaulo wa semiconductor, galimoto yopondera mwachangu idakula ndikukula. Chakumapeto kwa zaka za m'ma 1960, China idayamba kufufuza ndikupanga ma stepper motors. Kuyambira pamenepo mpaka kumapeto kwa zaka za 1960s, zidali zochepa zinthu zopangidwa ndi mayunivesite ndi mabungwe ofufuza kuti aphunzire zida zina. Kokha koyambirira kwa zaka za m'ma 1970 ndimachita bwino pakupanga ndi kufufuza. Kuyambira pakati pa 70s mpaka pakati pa 1980s, idalowa gawo la chitukuko, ndipo zinthu zambiri zogulitsa bwino zidapangidwa mosalekeza. Kuyambira m'ma 1980s, chifukwa cha chitukuko cha ma motors a hybrid stepper, ukadaulo waukadaulo waku China wophatikiza ukadaulo waukadaulo, wayandikira pang'onopang'ono kuchuluka kwa mafakitale akunja. Mitundu yosiyanasiyana yophatikiza yophatikiza Mitundu yoyendetsa ma driver ake ikukwera.
Monga activator, mota yopondera ndi imodzi mwazinthu zazikulu zama makina a zamagetsi ndipo imagwiritsidwa ntchito kwambiri pazida zosiyanasiyana zamagetsi. Galimoto yodutsa ndi gawo lotseguka lotsegula lomwe limasinthira ma pulse yamagetsi kukhala malo osungirako ena kapena oyenda. Dalaivala wopondayo akalandira chizindikiro chamkati, chimayendetsa galimoto yopendekera kuti itembenuke ngodya (monga, kupendekera) mbali yomwe ili. Kusunthidwa kwachilendo kumatha kuwongoleredwa ndikuwongolera kuchuluka kwa ma pulows, kuti mukwaniritse cholinga chokhazikika. Hybrid stepper mota ndi mota wopondera ophatikizidwa ndi kuphatikiza zabwino zamagetsi zosatha komanso zogwira ntchito. Iagawika m'magawo awiri, magawo atatu ndi magawo asanu. Makona awiri azigawo ziwiri nthawi zambiri amakhala madigiri 1.8. Makona a magawo atatu nthawi zambiri amakhala madigiri 1.2.

Momwe imagwirira ntchito
Kapangidwe ka mota wamagulu owerengera ndiosiyana ndi gawo la galimoto yolimbikira. Stator ndi rotor ya hybrid stepper mota zonse zimaphatikizidwa, pomwe stator ndi rotor ya mota ya hybrid stepper imagawidwa m'magawo awiri monga akuwonetsera pansipa. Mano ang'onoang'ono amakhalanso pansi.
Mitengo iwiri ya stator ili ndi mawonekedwe abwino, ndipo mawonekedwe ake adakhazikitsidwa. Zowonetsedwa pamwambapa ndi magawo awiri a 4-awiri ma mota, omwe 1, 3, 5, ndi 7 ndi mizere yamagalamu yamagalimoto, ndipo 2, 4, 6, ndi 8 ndi mizati yamphamvu ya B. Makina oyendera maginito oyandikana a gawo lirilonse amalasidwa mbali zonse kuti apange mawonekedwe otsekeka a maginito monga akuwonetsera panjira ya x ndi y pa chithunzi pamwambapa.
Mkhalidwe wa gawo B ndi wofanana ndi gawo A. Magawo awiri a rotilo amasunthidwa ndi theka la phula (onani Chithunzi 5.1.5), ndipo pakati limalumikizidwa ndi chitsulo chosemedwa ngati mphete. Mano a magawo awiri a rotor ali ndi mitengo yamagalasi yolimbana. Malingana ndi mfundo yomweyo yamagalimoto olimbikira, bola galimoto ikangolimbikitsidwa motsatira dongosolo la ABABA kapena ABABA, mota wopondera amatha kupitilizabe mosavutikira kapena mozungulira.
Mwachidziwikire, mano onse omwe ali mgawo limodzi la masamba a rotor ali ndi polarity yomweyo, pomwe mawonekedwe a mbali ziwiri za magawo osiyanasiyana ali osiyana. Kusiyana kwakukulu pakati pa galimoto yophatikiza ndi msewu wogwirira ntchito ndikuti pamene maginito yamagetsi yokhazikika ikagundika, pamakhala malo osungika komanso malo osokera.
Rotor ya mota wosakanizidwa ndi maginito, motero torque yomwe imapangidwa pansi pa stator yomwe ilipoyi imakhala yayikulupo kuposa yamagalimoto oyenda, ndipo mbali yake ya sitepe nthawi zambiri imakhala yaying'ono. Chifukwa chake, zida zachuma za makina a CNC nthawi zambiri zimafuna magalimoto oyendetsa a hybrid Stepper. Komabe, rotor ya hybrid imakhala yovuta kupanga komanso inortia yayikulu, ndipo kuthamanga kwake ndikotsika poyerekeza ndi injini yamagalimoto yotakasuka.

Kapangani ndi kusintha kwagalimoto
Pali ambiri opanga opanga ma stepper motors, ndipo mfundo zawo zogwiranso ntchito ndi chimodzimodzi. Zotsatirazi zimatenga galimoto yapawiri-yophatikiza yophatikiza 42B Y G2 50C ndi driver wake SH20403 monga zitsanzo pofotokozera kapangidwe kake ndi kagwiritsidwe kake ka msewu wama msewu wophatikiza. [2]
Awiri-gawo wosakanizidwa wopala oyendetsa galimoto
Mukuwongolera mafakitale, kapangidwe kokhala ndi mano ang'ono pamiyala ya stator ndi kuchuluka kwa mano a rotor monga momwe akuwonetsera Chithunzi 1 kungagwiritsidwe ntchito, ndipo mbali yake ya sitepe ikhoza kupangidwa yaying'ono kwambiri. Chithunzi 1 awiri

Chithunzi chojambulidwa cha gawo lophatikiza ndi msewu wopingasa, ndi chithunzi cholumikizira cha mota wopondaponda mu mkuyu. 2, mbali ziwiri za gawo la A ndi B zimasiyanitsidwa mbali ina mbali imodzi, ndipo pali mizere 8 yoyendera maginito limodzi kuzungulira kwa stator. Mitengo 7 ya maginito ndi ya Mphepo ya A-gawo, ndipo magesi 2, 4, 6, ndi 8 ndi a gawo la B. Pali mano asanu pamtunda uliwonse wa stator, ndipo pamakhala mawonekedwe oyendetsa pamtondo. Rotor imakhala ndi chitsulo chowoneka ngati mphete komanso magawo awiri azitsulo. Chitsulo chooneka ngati mphete chimakhala ndi makina kutsogolo kwa rotor. Zigawo ziwiri za cores zachitsulo zimayikidwa kumapeto awiri a mphamvu yazitsulo mosiyanasiyana, kotero kuti rotor imagawidwa kukhala mizati iwiri yamagalamu mbali ya axial. Mano a 50 amagawidwa wogawana pamakona ozungulira. Mano ang'onoang'ono pazigawo ziwiri zoyambira zimazunguliridwa ndi theka la phula. Kutalika ndi kupingasa kwa rotor yokhazikika ndikofanana.

Kugwiritsa ntchito magawo awiri a mseto wophatikiza
Mphepo yamagetsi ya mbali ziwiri ikamazungulira pamagetsi, mbali imodzi yokha imakhala yolimbikitsidwa pakamenya, ndipo kumenyetseka kumayambira kumakhala kuzungulira. Pakadutsa magetsi kudzera pakumawongolera, mumatha mphamvu yamagalimoto, yomwe imalumikizana ndi mphamvu yamagetsi yopanga ndi mphamvu yamagetsi yokhazikika ndikupanga torque yamagetsi yamagetsi ndikupangitsa kuti rotor ipangitse kuyenda. Mphepo ya A-gawo ikamalizidwa, mphamvu yamagalimoto ya S yopangidwa ndi kutsitsa pa rotor N yoopsa 1 imakopa gawo la rotor N, kotero kuti maginito 1 ndi dzino-mano, ndipo maginidwe a maginito amawongoleredwa kuchokera pa rotor N poleka kumaso kwa magawo 1, ndi maginito 5 Tool-to-dzino, maginito 3 ndi 7 ndi poyatsira mano, monga tikuonera Chithunzi 4
图 A-gawo lomwe limathandizira kuzungulira kwa N. Chifukwa mano ang'onoang'ono omwe ali pazigawo ziwiri za rotor amaponderezedwa ndi theka la phula, pamalo a Rotor, maginito a S polenga omwe amapangidwa ndi maginito 1 'ndi 5 ′ amakankhira mzere wa rotor, Zomwe zili chimodzimodzi kuti dzino liziwombera ndi rotor, komanso mtengo 3 'Ndipo 7totoot imapanga maginito a N-pole, omwe amakopa gawo la S-rotor, kuti mano athe kuyang'anizana ndi mano. Chithunzi chojambula mozungulira cha N-pole ndi S-pole rotor bwino pamene gawo la A-gawo likuthandizidwa likuwonetsedwa Chithunzi 3.

Chifukwa choti rotor imakhala ndi mano 50, mphamvu yake imakhala 360 ° / 50 = 7.2 °, ndipo kuchuluka kwa mano komwe kumakhala phula lililonse la stator sikokwanira. Chifukwa chake, gawo la stator likapatsidwa mphamvu, mtengo wa N wa rotor, ndi mtengo wa 1 mano asanu moyang'anizana ndi mano a rotor, ndi mano asanu a maginito 2 a gawo B kutsalira pafupi Mano a rotor amakhala ndi vuto lolakwika la 1/4, mwachitsanzo, 1.8 °. Pomwe bwalo limakokedwa, mano a A-gawo maginito 3 ndi chozungulira amachotsedwa 3.6 °, ndipo mano amalumikizana ndi ma grooves.
Chingwe cholumikizira maginito ndi kotchinga kufota chakumapeto kwa rotor → A (1) S mphamvu ya maginito. Gawo A ikagundika ndipo gawo B likulimba, maginito 2 amapanga N polarity, ndipo mano a S pole rotor 7 amatengeka kwambiri, kotero kuti rotor imayenda mozungulira 1.8 ° mwanjira kuti ikwaniritse maginito 2 ndi mano a rotor kupita mano , B Kukula kwa gawo la mano a stator a gawo lomwe akukhala kukuwonetsedwa mu mkuyu. 5, pakadali pano, maginito 3 ndi mano a rotor ali ndi 1/4 pitch molakwika.
Mwa fanizo, ngati mphamvu ikupitilizidwa motsatira kumenyedwa kwa anayi, rotor imayenda modutsa mbali iliyonse. Nthawi iliyonse mphamvu ikagwiritsidwa, mphamvu iliyonse imazungulira kuchokera pa 1.8 °, zomwe zikutanthauza kuti gawo la mayendedwe ndi 1.8 °, ndipo rotor imazungulira kamodzi Imafunika 360 ° / 1.8 ° = 200 pulses (onani Zithunzi 4 ndi 5).

Zomwezi ndizomwe zimachitika kumapeto kwakukulu kwa rotor S. Pamene mano omwe ali ndi mphepo akuyang'anizana ndi mano, maginito a gawo limodzi pafupi nawo amasungidwa molakwika ndi 1.8 °. 3 Oyendetsa ndege ya Stepper ayenera kukhala ndi woyendetsa komanso wowongolera kuti azigwira ntchito moyenera. Udindo wa driver amayendetsa ndikugawa ma pulling mu mphete ndikukulitsa mphamvu, kotero kuti makina amphepo yamagetsi amapatsidwa mphamvu kuti athe kuwongolera kayendedwe ka mota. Woyendetsa wa stepper motor 42BYG250C ndi SH20403. Pamagetsi opanga magetsi a 10V ~ 40V DC, ma A +, A-, B +, ndi ma B- terminals ayenera kulumikizidwa ku milozo inayi yamagalimoto oyenda. Maofesi a DC + ndi DC amalumikizidwa ndi magetsi oyendetsa a DC. Dongosolo la mawonekedwe olowera limaphatikizapo terminal yofananira (yolumikizana ndi terminal yabwino yamagetsi yamagetsi yamagetsi). , Pulse sign pembeje (ikani ma puloti angapo, operekedwa mkati kuti ayendetse wopondera mota A, gawo la B), cholowezera cholowera (chingathe kuzindikira zoyipa ndi zoyipa za sitepe yamagalimoto), kugwirizira chizindikiro chaintaneti.
Zabwino
Galimoto yonyamula yophatikiza imagawika m'magawo awiri, magawo atatu ndi magawo asanu: mbali yotsika mbali ziwiri nthawi zambiri imakhala madigiri 1.8 ndipo makwerero asanu opondaponda nthawi zambiri amakhala madigiri 0,72. Ndi kukula kwa gawo la masitepe, ngodya ya sitepe yafupika, ndipo kulondola kwake kwasintha. Galimoto yamagetsi imeneyi imagwiritsidwa ntchito kwambiri. Ma hybrid stepper motors amaphatikiza maubwino onse oyenda komanso osasintha a maginito opangira maginito: kuchuluka kwa ma pole kumakhala kofanana ndi kuchuluka kwa mano a rotor, omwe amatha kukhala osiyanasiyana pamitundu yambiri monga momwe amafunikira; makina opumira amasiyana ndi
Kusintha kwa mawonekedwe a rotor ndikochepa, kosavuta kukwaniritsa kuyendetsa bwino ntchito; axial magnetization maginito ozungulira, pogwiritsa ntchito zida zatsopano zamagetsi zomwe zimakhala ndi mphamvu yayikulu yamagetsi, ndizothandiza pakuyenda bwino kwa magalimoto; zitsulo zamagetsi zamazungulira zimapereka zokondweretsa; palibe oscillation owonekeratu. [3]


Nthawi yolembetsa: Mar-19-2020