Kusiyana Pakati pa Stage-on-Granite ndi Integrated Granite Motion Systems

Kusankha nsanja yoyenera kwambiri yoyendera yochokera ku granite pa ntchito inayake kumadalira zinthu zambiri ndi zosintha. Ndikofunikira kuzindikira kuti pulogalamu iliyonse ili ndi zofunikira zake zomwe ziyenera kumvedwa ndikuyikidwa patsogolo kuti mupeze yankho lothandiza pankhani ya nsanja yoyendera.

Limodzi mwa mayankho omwe amapezeka kwambiri ndi kuyika magawo okhazikika pa granite. Yankho lina lodziwika bwino limaphatikiza zinthu zomwe zimakhala ndi ma axes of motion mwachindunji mu granite yokha. Kusankha pakati pa stage-on-granite ndi integrated-granite motion (IGM) platform ndi chimodzi mwa zisankho zoyambirira zomwe ziyenera kupangidwa posankha. Pali kusiyana komveka bwino pakati pa mitundu yonse iwiri ya mayankho, ndipo ndithudi iliyonse ili ndi zabwino zake - ndi machenjezo - zomwe ziyenera kumvedwa ndikuganiziridwa mosamala.

Kuti tipereke chidziwitso chabwino pa njira yopangira zisankho iyi, tikuwunika kusiyana pakati pa mapangidwe awiri oyambira a nsanja yoyenda - yankho lachikhalidwe la sitepe-on-granite, ndi yankho la IGM - kuchokera ku malingaliro aukadaulo ndi azachuma monga kafukufuku wokhudza makina.

Chiyambi

Kuti tifufuze kufanana ndi kusiyana pakati pa machitidwe a IGM ndi machitidwe achikhalidwe a stage-on-granite, tapanga mapangidwe awiri oyesera:

• Chotengera cha makina, chokhazikika pa granite
• Mawonekedwe a makina, IGM

M'zochitika zonsezi, dongosolo lililonse limakhala ndi ma axes atatu oyenda. Mzere wa Y umapereka maulendo okwana 1000 mm ndipo uli pansi pa kapangidwe ka granite. Mzere wa X, womwe uli pa mlatho wa msonkhano wokhala ndi maulendo okwana 400 mm, umanyamula mzere wowongoka wa Z wokhala ndi maulendo okwana 100 mm. Dongosololi likuimiridwa ndi zithunzi.

Pa kapangidwe ka siteji pa granite, tinasankha siteji ya PRO560LM yokhala ndi thupi lonse la Y axis chifukwa cha mphamvu yake yayikulu yonyamula katundu, yomwe imagwiritsidwa ntchito kwambiri pamayendedwe ambiri pogwiritsa ntchito dongosolo la "Y/XZ split-bridge". Pa X axis, tinasankha PRO280LM, yomwe imagwiritsidwa ntchito kwambiri ngati bridge axis m'mapulogalamu ambiri. PRO280LM imapereka mgwirizano wothandiza pakati pa malo ake ndi kuthekera kwake kunyamula Z axis ndi katundu wa kasitomala.

Pa mapangidwe a IGM, tinatsanzira kwambiri mfundo zazikulu za kapangidwe ndi mapangidwe a nkhwangwa zomwe zili pamwambapa, kusiyana kwakukulu ndikuti nkhwangwa za IGM zimamangidwa mwachindunji mu kapangidwe ka granite, motero sizili ndi maziko opangidwa ndi makina omwe ali mu mapangidwe a stage-on-granite.

Chofala kwambiri m'mapangidwe onse awiri ndi Z axis, yomwe idasankhidwa kukhala gawo la PRO190SL loyendetsedwa ndi screw. Iyi ndi axis yotchuka kwambiri yogwiritsidwa ntchito poyimirira pa mlatho chifukwa cha mphamvu yake yonyamula katundu komanso mawonekedwe ake ochepa.

Chithunzi 2 chikuwonetsa machitidwe enieni a stage-on-granite ndi IGM omwe aphunziridwa.

Kuyerekeza kwaukadaulo

Machitidwe a IGM amapangidwa pogwiritsa ntchito njira zosiyanasiyana ndi zigawo zomwe zili zofanana ndi zomwe zimapezeka m'mapangidwe achikhalidwe a stage-on-granite. Chifukwa chake, pali zinthu zambiri zaukadaulo zomwe zimafanana pakati pa machitidwe a IGM ndi machitidwe a stage-on-granite. Mosiyana ndi zimenezi, kuphatikiza ma axes of motion mwachindunji mu kapangidwe ka granite kumapereka makhalidwe angapo osiyana omwe amasiyanitsa machitidwe a IGM ndi machitidwe a stage-on-granite.

Fomu Yopangira

Mwina kufanana koonekeratu kumayamba ndi maziko a makinawo — granite. Ngakhale pali kusiyana kwa mawonekedwe ndi kulekerera pakati pa mapangidwe a stage-on-granite ndi IGM, miyeso yonse ya maziko a granite, zokwezera ndi mlatho ndizofanana. Izi makamaka chifukwa chakuti maulendo odziwika bwino ndi malire ndi ofanana pakati pa stage-on-granite ndi IGM.

Ntchito yomanga

Kusowa kwa maziko a axis opangidwa ndi makina mu kapangidwe ka IGM kumapereka ubwino wina kuposa mayankho a stage-on-granite. Makamaka, kuchepetsa kwa zigawo mu structural loop ya IGM kumathandiza kuwonjezera kuuma kwa axis yonse. Kumathandizanso mtunda waufupi pakati pa maziko a granite ndi pamwamba pa ngolo. Mu kafukufukuyu, kapangidwe ka IGM kamapereka kutalika kocheperako kwa malo ogwirira ntchito ndi 33% (80 mm poyerekeza ndi 120 mm). Sikuti kutalika kochepa kumeneku kumalola kapangidwe kakang'ono kokha, komanso kumachepetsa kutayika kwa makina kuchokera ku mota ndi encoder kupita ku malo ogwirira ntchito, zomwe zimapangitsa kuti zolakwika za Abbe zichepe komanso kukulitsa magwiridwe antchito.

Zigawo Zozungulira

Poyang'ana mozama kapangidwe kake, mayankho a stage-on-granite ndi IGM amagawana zinthu zofunika kwambiri, monga ma linear motors ndi ma position encoders. Kusankha kwa cer ndi maginito track komwe kumagwiritsidwa ntchito nthawi zambiri kumabweretsa mphamvu yofanana yotulutsa mphamvu. Momwemonso, kugwiritsa ntchito ma encoders omwewo m'mapangidwe onse awiri kumapereka chidziwitso chabwino chofanana pakuyika mayankho. Zotsatira zake, kulondola kwa mzere ndi magwiridwe antchito obwerezabwereza sikusiyana kwambiri pakati pa mayankho a stage-on-granite ndi IGM. Kapangidwe kofanana ka zigawo, kuphatikiza kulekanitsa ma bearing ndi kulolerana, kumabweretsa magwiridwe antchito ofanana pankhani ya mayendedwe a zolakwika za geometric (mwachitsanzo, kuwongoka molunjika ndi molunjika, pitch, roll ndi yaw). Pomaliza, zinthu zothandizira mapangidwe onse awiri, kuphatikiza kasamalidwe ka chingwe, malire amagetsi ndi ma hardstops, ndizofanana kwambiri pantchito, ngakhale zitha kusiyana pang'ono mawonekedwe akuthupi.

Mabeya

Pa kapangidwe kameneka, kusiyana kwakukulu ndi kusankha ma bearing otsogolera mzere. Ngakhale kuti ma bearing ozungulira mpira amagwiritsidwa ntchito mu machitidwe onse a stage-on-granite ndi IGM, dongosolo la IGM limapangitsa kuti zikhale zotheka kuphatikiza ma bearing akuluakulu komanso olimba mu kapangidwe kake popanda kuwonjezera kutalika kwa ntchito ya axis. Chifukwa kapangidwe ka IGM kamadalira granite ngati maziko ake, mosiyana ndi maziko osiyana opangidwa ndi makina, ndizotheka kubweza malo ena oyima omwe akanagwiritsidwa ntchito ndi maziko opangidwa ndi makina, ndikudzaza malowa ndi ma bearing akuluakulu pamene akuchepetsa kutalika kwa ngolo yonse pamwamba pa granite.

Kuuma

Kugwiritsa ntchito ma bearings akuluakulu pakupanga kwa IGM kumakhudza kwambiri kuuma kwa angular. Pankhani ya wide-body lower axis (Y), yankho la IGM limapereka kuuma kwa roll kopitilira 40%, kuuma kwa pitch kopitilira 30% ndi kuuma kwa yaw kopitilira 20% kuposa kapangidwe kofanana ndi ka stage-on-granite. Mofananamo, mlatho wa IGM umapereka kuuma kwa roll kopitilira kanayi, kuuma kwa pitch kopitilira kawiri komanso kuuma kwa yaw kopitilira 30% kuposa ka stage-on-granite. Kuuma kwa angular kopitilira ndi kwabwino chifukwa kumathandizira mwachindunji kukonza magwiridwe antchito, zomwe ndizofunikira kwambiri kuti makina azitha kugwiritsa ntchito bwino.

Kutha Kunyamula

Ma bearing akuluakulu a yankho la IGM amalola kuti katundu akwere kwambiri kuposa yankho la stage-on-granite. Ngakhale kuti PRO560LM base-axis ya yankho la stage-on-granite ili ndi mphamvu yolemera ya 150 kg, yankho la IGM lofanana nalo limatha kulandira katundu wolemera 300 kg. Mofananamo, PRO280LM bridge axis ya stage-on-granite imathandizira 150 kg, pomwe axis ya bridge axis ya yankho la IGM imatha kunyamula mpaka 200 kg.

Kusuntha Misa

Ngakhale ma bearing akuluakulu mu ma axes a IGM okhala ndi makina amapereka mawonekedwe abwino a angular performance komanso mphamvu yayikulu yonyamula katundu, amabweranso ndi magalimoto akuluakulu komanso olemera. Kuphatikiza apo, ma carriages a IGM adapangidwa kuti zinthu zina zopangidwa ndi makina zofunika pa stage-on-granite axis (koma osafunikira ndi IGM axis) zichotsedwe kuti ziwonjezere kuuma kwa gawo ndikupangitsa kuti kupanga kukhale kosavuta. Zinthu izi zikutanthauza kuti IGM axis ili ndi kulemera kwakukulu kosuntha kuposa stage-on-granite axis yofanana. Vuto losatsutsika ndilakuti kuthamanga kwakukulu kwa IGM kuli kotsika, poganiza kuti mphamvu yamagetsi sikusintha. Komabe, nthawi zina, kuyenda kwakukulu kungakhale kopindulitsa poganiza kuti kusakhala ndi mphamvu kwakukulu kungapereke kukana kwakukulu ku zosokoneza, zomwe zingagwirizane ndi kukhazikika kwa malo.

Mphamvu Za Kapangidwe

Kulimba kwa mabearing system a IGM komanso kulimba kwa mabearing kumapereka maubwino ena omwe amaonekera bwino akagwiritsa ntchito pulogalamu ya finite-element analysis (FEA) kuti achite modal analysis. Mu kafukufukuyu, tafufuza resonance yoyamba ya shift carrier chifukwa cha momwe imakhudzira servo bandwidth. SHIFT ya PRO560LM imakumana ndi resonance pa 400 Hz, pomwe shift ya IGM yofanana imakumana ndi mode yomweyo pa 430 Hz. Chithunzi 3 chikuwonetsa izi.

Kuchuluka kwa mphamvu ya IGM, poyerekeza ndi yachikhalidwe cha stage-on-granite, kungayambitsidwe ndi kapangidwe kake kolimba komanso kapangidwe kake ka bearing. Kuchuluka kwa mphamvu ya galimoto kumapangitsa kuti ikhale ndi servo bandwidth yayikulu komanso motero imapangitsa kuti magwiridwe antchito aziyenda bwino.

Malo Ogwirira Ntchito

Kutsekeka kwa Axis nthawi zambiri kumakhala kofunikira ngati pali zinthu zodetsa, kaya zopangidwa ndi wogwiritsa ntchito kapena zomwe zilipo m'malo omwe makinawo ali. Mayankho a Stage-on-granite ndi oyenera kwambiri pazochitika izi chifukwa cha kutsekedwa kwa axis. Mwachitsanzo, magawo a PRO-series linear amabwera ndi zophimba zolimba ndi zisindikizo zam'mbali zomwe zimateteza zigawo zamkati ku kuipitsidwa mpaka pamlingo woyenera. Magawo awa amathanso kukonzedwa ndi zopukutira za tebulo kuti zichotse zinyalala kuchokera pachivundikiro chapamwamba pamene siteji ikudutsa. Kumbali inayi, nsanja zoyendera za IGM zimakhala zotseguka mwachilengedwe, ndi ma bearing, motors ndi ma encoders omwe amawonekera. Ngakhale si vuto m'malo oyera, izi zitha kukhala zovuta ngati pali kuipitsidwa. N'zotheka kuthetsa vutoli pophatikiza chivundikiro chapadera cha bellows mu kapangidwe ka IGM axis kuti chiteteze ku zinyalala. Koma ngati sichikugwiritsidwa ntchito moyenera, bellows zimatha kusokoneza kayendedwe ka axis popereka mphamvu zakunja pagalimoto pamene ikuyenda muulendo wake wonse.

Kukonza

Kugwira ntchito bwino ndi chinthu chosiyanitsa pakati pa nsanja zoyendera za stage-on-granite ndi IGM. Ma axes a linear-motor amadziwika bwino chifukwa cha kulimba kwawo, koma nthawi zina zimakhala zofunikira kukonza. Ntchito zina zosamalira zimakhala zosavuta ndipo zitha kuchitika popanda kuchotsa kapena kusokoneza axis yomwe ikukambidwa, koma nthawi zina kugawa bwino kwambiri kumafunika. Pamene nsanja yoyendera ili ndi magawo osiyana omwe amaikidwa pa granite, kukonza ndi ntchito yosavuta. Choyamba, tsitsani siteji kuchokera ku granite, kenako chitani ntchito yokonza yofunikira ndikuyiyikanso. Kapena, ingosinthani ndi siteji yatsopano.

Mayankho a IGM nthawi zina amakhala ovuta kwambiri pokonza. Ngakhale kusintha njira imodzi ya maginito ya mota yolunjika kumakhala kosavuta pankhaniyi, kukonza ndi kukonza kovuta kwambiri nthawi zambiri kumaphatikizapo kusokoneza kwathunthu zigawo zambiri kapena zonse zomwe zili ndi mzere, zomwe zimatenga nthawi yambiri pamene zigawozo zayikidwa mwachindunji ku granite. N'kovutanso kwambiri kulumikiza ma axes okhala ndi granite kuti akhale amodzi pambuyo pokonza - ntchito yomwe ndi yosavuta kwambiri yokhala ndi magawo osiyana.

Gome 1. Chidule cha kusiyana kwakukulu kwaukadaulo pakati pa mayankho a makina opangidwa ndi granite ndi IGM.

Kuyerekeza Zachuma

Ngakhale mtengo weniweni wa makina aliwonse oyendera umasiyana malinga ndi zinthu zingapo kuphatikizapo kutalika kwa ulendo, kulondola kwa axis, mphamvu yonyamula katundu ndi kuthekera kosinthasintha, kufananiza kwa machitidwe ofanana a IGM ndi makina oyendera pa sitepe ndi granite omwe adachitika mu kafukufukuyu kukuwonetsa kuti mayankho a IGM amatha kupereka mayendedwe apakati mpaka apamwamba pamtengo wotsika pang'ono kuposa omwe ali nawo pa sitepe ndi granite.

Kafukufuku wathu wazachuma ali ndi zigawo zitatu zazikulu zogulira: zigawo za makina (kuphatikiza zigawo zopangidwa ndi zida zogulidwa), gulu la granite, ndi ntchito ndi ndalama zolipirira.

Mbali za Makina

Yankho la IGM limapereka ndalama zambiri pa yankho la siteji-pa-granite pankhani ya zigawo za makina. Izi makamaka chifukwa cha kusowa kwa IGM kwa maziko a siteji opangidwa mwaluso pa ma axes a Y ndi X, zomwe zimapangitsa kuti mayankho a siteji-pa-granite akhale ovuta komanso owononga ndalama. Kuphatikiza apo, ndalama zosungira zitha kuwerengedwa chifukwa cha kuphweka kwa zigawo zina zopangidwa mwaluso pa yankho la IGM, monga magaleta oyenda, omwe amatha kukhala ndi mawonekedwe osavuta komanso omasuka pang'ono akapangidwa kuti agwiritsidwe ntchito mu dongosolo la IGM.

Misonkhano ya Granite

Ngakhale kuti ma granite base-riser-bridge a granite mu IGM ndi stage-on-granite systems akuoneka kuti ali ndi mawonekedwe ofanana komanso mawonekedwe, granite a IGM ndi okwera mtengo pang'ono. Izi zili choncho chifukwa granite mu IGM solution imatenga malo a machined stage bases mu stage-on-granite solution, zomwe zimafuna kuti granite ikhale ndi zolekerera zolimba m'madera ofunikira, komanso zinthu zina zowonjezera, monga kudula kotulutsidwa ndi/kapena zoyika zachitsulo, mwachitsanzo. Komabe, mu phunziro lathu, zovuta zowonjezera za granite structure zimachepetsedwa kwambiri ndi kuphweka kwa zigawo za makina.

Ntchito ndi Kuposa

Chifukwa cha kufanana kwakukulu pakupanga ndi kuyesa makina a IGM ndi a stage-on-granite, palibe kusiyana kwakukulu pa ndalama zogwirira ntchito ndi ndalama zoyendetsera ntchito.

Zinthu zonsezi zikaphatikizidwa, yankho la IGM lokhala ndi makina lomwe lafufuzidwa mu kafukufukuyu ndi lotsika mtengo pafupifupi 15% kuposa yankho la makina lokhala ndi granite.

Zachidziwikire, zotsatira za kusanthula zachuma sizimangodalira zinthu monga kutalika kwa ulendo, kulondola komanso mphamvu ya katundu, komanso zinthu monga kusankha kwa wogulitsa granite. Kuphatikiza apo, ndikofunikira kuganizira za ndalama zotumizira ndi zoyendera zokhudzana ndi kugula kapangidwe ka granite. Zothandiza makamaka pamakina akuluakulu a granite, ngakhale zili choncho pamitundu yonse, kusankha wogulitsa granite woyenerera pafupi ndi malo omangira makina omaliza kungathandizenso kuchepetsa ndalama.

Tiyeneranso kudziwa kuti kusanthula kumeneku sikuganizira za ndalama zomwe zimagwiritsidwa ntchito pambuyo pokhazikitsa. Mwachitsanzo, tiyerekeze kuti pakufunika kukonza makina oyendetsera galimoto pokonza kapena kusintha mzere wozungulira. Makina oyendetsera galimoto amatha kukonzedwa pongochotsa ndikukonzanso/kusintha mzere wozungulira womwe wakhudzidwa. Chifukwa cha kapangidwe kake ka siteji, izi zitha kuchitika mosavuta komanso mwachangu, ngakhale kuti mtengo woyambira wa makinawo ndi wokwera. Ngakhale makina a IGM nthawi zambiri amapezeka pamtengo wotsika kuposa makina oyendetsera galimoto, zingakhale zovuta kuwachotsa ndikuwakonza chifukwa cha kapangidwe kake kogwirizana.

Mapeto

Mwachionekere, mtundu uliwonse wa kapangidwe ka nsanja yoyendera — stage-on-granite ndi IGM — ungapereke zabwino zosiyanasiyana. Komabe, nthawi zambiri sizikudziwika bwino kuti ndi chisankho chiti chabwino kwambiri pa pulogalamu inayake yoyendera. Chifukwa chake, ndikofunikira kwambiri kugwirizana ndi wogulitsa makina oyenda ndi odziyimira pawokha, monga Aerotech, yemwe amapereka njira yowunikira komanso yowunikira yowunikira bwino kuti afufuze ndikupereka chidziwitso chofunikira pa njira zina zothetsera mavuto m'malo mowongolera kayendedwe ndi ntchito zodziyimira pawokha. Kumvetsetsa kusiyana pakati pa mitundu iwiriyi ya mayankho odziyimira pawokha, komanso mbali zazikulu za mavuto omwe amafunika kuthetsa, ndiye chinsinsi chachikulu chopambana posankha njira yoyendera yomwe imayang'ana zolinga zaukadaulo ndi zachuma za polojekitiyi.

Kuchokera ku AEROTECH.