1. Kodi n'chiyanimota ya stepper?
Ma stepper motors amayenda mosiyana ndi ma motors ena. Ma DC stepper motors amagwiritsa ntchito discontinuous movement. Pali magulu angapo a coil m'thupi lawo, otchedwa "magawo", omwe amatha kuzunguliridwa poyambitsa gawo lililonse motsatizana. Gawo limodzi ndi limodzi.
Mwa kulamulira mota ya stepper kudzera pa chowongolera/kompyuta, mutha kuyiyika molondola pa liwiro lolondola. Chifukwa cha ubwino uwu, mota za stepper nthawi zambiri zimagwiritsidwa ntchito kwambiri pazida zomwe zimafuna kuyenda kolondola.
Ma stepper motors ali ndi makulidwe osiyanasiyana, mawonekedwe ndi mapangidwe. Nkhaniyi ifotokoza momveka bwino momwe mungasankhire stepper motor malinga ndi zosowa zanu.
2. Kodi ubwino wamota zoyendera masitepe?
A. Kuyika Malo- Popeza kuyenda kwa ma stepper motors kumakhala kolondola komanso kobwerezabwereza, angagwiritsidwe ntchito pazinthu zosiyanasiyana zolamulidwa bwino, monga kusindikiza kwa 3D, CNC, nsanja ya kamera, ndi zina zotero, ma hard drive ena amagwiritsanso ntchito step Motor poyika mutu wowerenga.
B. Kulamulira liwiro- masitepe olondola amatanthauzanso kuti mutha kuwongolera liwiro la kuzungulira molondola, yoyenera kuchita zinthu molondola kapena kuwongolera loboti
C. Liwiro lotsika komanso mphamvu yayikulu- Kawirikawiri, ma DC motors amakhala ndi torque yochepa pa liwiro lotsika. Koma ma stepper motors amakhala ndi torque yayikulu pa liwiro lotsika, kotero ndi chisankho chabwino pakugwiritsa ntchito liwiro lotsika komanso molondola kwambiri.
3. Zoyipa zamota ya stepper :
A. Kusagwira ntchito bwinoMosiyana ndi ma DC motors, kugwiritsa ntchito ma stepper motors sikukhudzana kwambiri ndi katundu. Akapanda kugwira ntchito, pamakhalabe magetsi, kotero nthawi zambiri amakhala ndi mavuto owonjezera kutentha, ndipo magwiridwe antchito amakhala otsika kwambiri.
B. Torque pa liwiro lalikulu- nthawi zambiri mphamvu ya mota ya stepper pa liwiro lalikulu imakhala yotsika kuposa ya liwiro lotsika, ma mota ena amathabe kugwira ntchito bwino pa liwiro lalikulu, koma izi zimafuna kuyendetsa bwino kuti izi zitheke.
C. Sindingathe kuwunika- ma mota oyenda pang'onopang'ono satha kuzindikira / kuzindikira malo omwe ali pakali pano a mota, timawatcha "loop yotseguka", ngati mukufuna "locked loop control", muyenera kuyika encoder ndi driver, kuti muzitha kuyang'anira / kuwongolera kuzungulira kolondola kwa mota nthawi iliyonse, koma mtengo wake ndi wokwera kwambiri ndipo siwoyenera zinthu wamba.
Gawo la Magalimoto Okwerera
4. Kugawa magawo:
Pali mitundu yambiri ya ma stepper motors, oyenera zochitika zosiyanasiyana.
Komabe, nthawi zambiri, ma mota a PM ndi ma mota a hybrid stepper amagwiritsidwa ntchito popanda kuganizira za ma mota a seva yachinsinsi.
5. Kukula kwa injini:
Choyamba chomwe muyenera kuganizira posankha mota ndi kukula kwa mota. Ma mota a stepper amayambira pa ma mota ang'onoang'ono a 4mm (omwe amagwiritsidwa ntchito kuwongolera kayendedwe ka makamera mumafoni anzeru) mpaka ma mota akuluakulu monga NEMA 57.
Mota ili ndi mphamvu yogwira ntchito, mphamvu imeneyi imatsimikiza ngati ingakwaniritse zosowa zanu za mphamvu ya mota.
Mwachitsanzo: NEMA17 nthawi zambiri imagwiritsidwa ntchito mu makina osindikizira a 3D ndi zida zazing'ono za CNC, ndipo ma mota akuluakulu a NEMA amagwiritsidwa ntchito popanga mafakitale.
Pano NEMA17 ikutanthauza kuti m'mimba mwake wakunja kwa mota ndi mainchesi 17, womwe ndi kukula kwa dongosolo la inchi, lomwe ndi 43cm likasinthidwa kukhala masentimita.
Ku China, nthawi zambiri timagwiritsa ntchito masentimita ndi mamilimita poyesa miyeso, osati mainchesi.
6. Chiwerengero cha masitepe a injini:
Chiwerengero cha masitepe pa kuzungulira kwa injini chimatsimikizira kulimba kwake ndi kulondola kwake. Ma stepper motors ali ndi masitepe kuyambira 4 mpaka 400 pa kuzungulira kulikonse. Nthawi zambiri masitepe 24, 48 ndi 200 amagwiritsidwa ntchito.
Kulondola nthawi zambiri kumafotokozedwa ngati mulingo wa sitepe iliyonse. Mwachitsanzo, sitepe ya mota ya masitepe 48 ndi madigiri 7.5.
Komabe, zovuta za kulondola kwambiri ndi liwiro ndi mphamvu. Pafupipafupi yomweyo, liwiro la ma mota olondola kwambiri ndi lotsika.
7. Bokosi la zida:
Njira ina yowonjezerera kulondola ndi mphamvu ndikugwiritsa ntchito bokosi la gearbox.
Mwachitsanzo, bokosi la gearbox la 32: 1 lingathe kusintha mota ya masitepe 8 kukhala mota yolondola ya masitepe 256, pomwe likuwonjezera mphamvu yake ndi nthawi 8.
Koma liwiro lotulutsa lidzachepetsedwa mofananamo kufika pa gawo limodzi mwa magawo asanu ndi atatu a choyambirira.
Mota yaying'ono imathanso kukwaniritsa mphamvu ya torque yayikulu kudzera mu gearbox yochepetsera.
8. Shaft:
Chinthu chomaliza chomwe muyenera kuganizira ndi momwe mungagwirizanitse shaft yoyendetsera galimoto ndi momwe mungagwirizanitse makina anu oyendetsera galimoto.
Mitundu ya shafts ndi iyi:
Shaft yozungulira / D shaft: Mtundu uwu wa shaft ndiye shaft yotulutsa yodziwika bwino, yomwe imagwiritsidwa ntchito kulumikiza ma pulley, ma gear sets, ndi zina zotero. Shaft ya D ndi yoyenera kwambiri kuti ikhale ndi mphamvu yayikulu kuti isagwe.
Shaft ya giya: Shaft yotulutsa ya ma mota ena ndi giya, yomwe imagwiritsidwa ntchito kufananiza makina enaake a giya
Screw shaft: Mota yokhala ndi screw shaft imagwiritsidwa ntchito popanga linear actuator, ndipo slider ikhoza kuwonjezeredwa kuti ikwaniritse linear control.
Chonde musazengereze kulankhula nafe ngati mukufuna kudziwa za injini zathu zilizonse zoyendera.
Nthawi yotumizira: Januware-29-2022