What is Through Bore Slip Ring?
A through bore slip ring ke sesebelisoa sa electromechanical se fetisang matla a motlakase le matšoao lipakeng tsa likarolo tse emeng le tse bilikang ha se ntse se na le kanale e sekoti ea setsi. Sebaka sena se bohareng se lumella lithapo, melapo ea hydraulic, li-tubes tsa pneumatic, kapa li-shafts tse potolohang hore li fete ka har'a sesebelisoa, e leng se etsang hore se fapane le mehele e tloaelehileng e nang le mohaho o tiileng oa setsi.
Kamoo ka Bore Slip Rings Sebetsang
Molao-motheo oa ts'ebetso o itšetlehile ka ho kopana ho tsoelang pele ha motlakase pakeng tsa likarolo tse peli tse ikemetseng. Sesebelisoa se na le matsoho a mabeli a kenngoeng ka ho chencha ho a mang, 'me letsoho le ka hare le na le sekoti ho lekana profaele e chitja. Phatlalatso ea matla le data e etsahala ka borashe bo entsoeng ka botsona{2}}ho{3}}ho kopana le libaka.
Likaroloana Tsa Sehlooho le Sebopeho
Mohaho o kenyelletsa meralo ea matsoho e bohareng moo karolo e ka hare e potolohang e bolokang jiometry ea shaft ho pholletsa le eona. Sekoti se ka hare se na le bonyane sekoti se le seng sa ho hokela profaele e fetang, ha sets'oants'o se nang le leqhubu le nang le lesale la ka ntle se netefatsa hore letsoho la kantle ha le pote. Moralo ona{2}}oa matsoho a mabeli o lumella ho potoloha ho ikemetseng ha nako e ntse e boloka khokahanyo e sireletsehileng ea longitudinal.
Ho ts'epahala ha ho ikopanya ho tsoa mecheng e kopaneng ea selemo e bolokang khatello ea borashe khahlano le mehele ea conductive. Lithapo tsa likhoele li rekisoa ho likhokahano tse kahare le kantle ebe li boloka 'mala oa tsona ho thibela pherekano ea kopano. Sistimi ea nako ea selemo-e thibelang tšitiso ea phetisetso le nakong-ea ho potoloha ka lebelo le holimo.
Meetso ea sejoale-joale e ntse e sebelisa theknoloji ea brashi ea fiber le ho feta. Theknoloji ea borashe ea fiber e fana ka lintlha tse ngata tsa matla a ho ikopanya ka fiber le litekanyetso tse tlase tsa ho roala ha ho bapisoa le theknoloji e tloaelehileng ea mehele. Khatelo-pele ena e eketsa nako ea bophelo ba ts'ebetso ha e ntse e fokotsa litlhoko tsa tlhokomelo.
Litlhaloso tsa Tekheniki tsa Ka Bore Slip Rings
Ho utloisisa likarolo tsa bohlokoa ho thusa ho khetha likarolo tse nepahetseng bakeng sa lits'ebetso tse ikhethileng. Litlhaloso li ama ka kotloloho ts'ebetso, tumellano, le bophelo bo bolelele.
Li-Parameters tsa mantlha
Litekanyetso tsa mantlha tsa tekheniki li kenyelletsa bophara ba kantle, bophara bo kahare, bolelele, li-circuits, voltage, hajoale le lebelo le phahameng. Paramethara e 'ngoe le e' ngoe e fana ka litlhoko tse ikhethang tsa ts'ebetso.
Bore Dimensions: Ka hare bophara ranges ho tloha 3mm ho 500mm ho itšetlehile ka ea mohlala. Khetho ea boholo ba bore e itšetlehile ka se lokelang ho feta-bore ea 12mm e amohelang cabling e tšesaane, ha 200mm+ bore e sebetsana le li-hydraulic system kapa li-shaft tse kholo tse bilikang.
Bokhoni ba Potoloho: Mehlala e ka fana ka phetisetso ea matla a motlakase le matšoao ho tloha ho 1 ho isa ho liteishene tse 260. Palo ea potoloho e emela palo ea litsela tse ikemetseng tsa motlakase. Linomoro tse phahameng tsa potoloho li nolofalletsa phetiso ea maemo a mangata a matla ka nako e le 'ngoe le mefuta ea matšoao empa e eketsa ho rarahana ha tlhahiso.
Litekanyetso tsa Motlakase: Mefuta e tloaelehileng ea hona joale ho tloha ho 0 ho ea ho 20A, e nang le motlakase o tloaelehileng ho tloha ho 0 ho ea ho 600 VAC / VDC. Litlhophiso tsa tloaelo li eketsa mefuta ena-mefuta e meng e fana ka maqhubu a ho sebetsa ho fihla ho 32A ka matla a ho sebetsa a 1,000 Vrms.
Litšobotsi tsa Ts'ebetso
Bokhoni ba lebelo la ho potoloha bo fapana ho ea ka moralo. Meetso e ka fetoloa ho fihla ho 300 rpm, ha meralo e matla e mamella lebelo ho fihla ho 1200 revolutions ka motsotso. Ho mamella lebelo ho ama litekanyetso tsa ho roala borashe le boleng ba matšoao.
Mocheso o phahameng oa ho sebetsa ke likhato tse 80 ka sehlopha sa tšireletso sa IP51, se etsang hore lisebelisoa tsena li tšoanele lithapo tsa metsi a chesang, li-hydraulic applications, le li-ducts tsa moea tse hatelitsoeng. Litlhaloso tsa tikoloho li etsa qeto ea hore na likarolo li sebetsa ka botšepehi maemong a thata.
Boleng ba matšoao bo bohlokoa lits'ebetsong tsa phetiso ea data. Lerata la motlakase le ka ba tlase joalo ka 5μV tlhoro-ho{3}}tlhōrō ka bandwidth ea 10Hz-10kHz ho 8.5mA le 500rpm. Lerata le tlase la motlakase le netefatsa phetisetso ea mats'oao a hloekileng bakeng sa lisebelisoa tse bobebe le litsamaiso tsa taolo.
Likopo tsa Ka Bore Slip Rings
Moralo oa sekoti o bula menyetla ho liindasteri moo mathata a sebaka le litlhoko tsa potoloho li kopanang.
Industrial Automation le Robotics
Matsoho a liroboto le lits'ebetso tsa tlhahlobo tse ikemetseng li sebelisa mehele ea bore slip ho fetisetsa matla le matšoao a taolo ho likarolo tse potolohang ntle le kotsi ea ho kengoa ke cable. Lisebelisoa li thusa ho potoloha ka likhato tse 360 ha li ntse li boloka likhokahano tse tšepahalang tsa motlakase.
Linonyellong tsa liroboto, bore e amohela li-shafts tsa koloi tse fanang ka potoloho ea mochini ha selikalikoe sa slip se sebetsana le litlhoko tsa motlakase. Ho kopanya hona ho fokotsa ho rarahana ha tsamaiso ha ho bapisoa le ho tsamaisa likhoele tse ka ntle ho potoloha likarolo tse potolohang.
Thepa ea Bongaka
Li-scanner tsa CT le mechini ea MRI li kenyelletsa mehele ea bore slip ho boloka likhokahano tsa motlakase ha li ntse li lumella mehala e fapaneng le li-tubing tse hlokahalang bakeng sa tlhokomelo ea mokuli le ts'ebetso ea lisebelisoa. Karolo e potolohang ea CT system e hloka matla a tsoelang pele le -phetisetso ea data e potlakileng bakeng sa lisensara tsa litšoantšo-ka meralo ea bore e fihlela litlhoko tseo ka bobeli ka nako e le 'ngoe.
Likopo tsa bongaka li hloka ts'epo e ikhethang kaha ho fokotseha ha lisebelisoa ho ama ka kotloloho tlhokomelo ea bakuli. Tlhokomelo{{1}mefuta ea mahala ea meralo ea sejoale-joale ea fiber brush e tšoanela tikoloho ena.
Mekhoa e Tsosolositsoeng ea Matla
Li-turbine tsa moea li sebelisa mehele ea bore ho fetisa matla, matšoao a taolo, le data ea sensor ho tloha ho likarolo tse emeng ho ea ho lintho tse potolohang. Hangata bore e amohela melapo ea hydraulic bakeng sa taolo ea lehare ha lipotoloho tsa motlakase li sebetsana le phetisetso ea matla le tlhaiso-leseling.
Lisebelisoa tsa moea li hlahisa maemo a thata a ts'ebetso-ho pepesehela mocheso o feteletseng, mongobo, le ho potoloha ho sa khaotseng. Tšebeliso e ntseng e eketseha ea matla a tsosolositsoeng ke tšusumetso e kholo kholong ea 'maraka oa lefats'e oa bore slip rings, haholo-holo ka lebaka la bohlokoa ba ona lits'ebetsong tsa matla a ka nchafatsoang.
Sesole le Sefofane
Ka mehele ea bore slip e sebelisoa mecheng ea li-turret, li-gyroscopes, le lisebelisoa tsa ho beha leihlo ho nolofalletsa phetiso ea data e tsoelang pele nakong ea ho potoloha. Hangata lits'ebetso tsa sesole li hloka lintlha tse ikhethileng bakeng sa tikoloho e feteletseng, ho kenyelletsa le libaka tse phahameng tse kenyelletsang mocheso o batang haholo.
Marine le Radar Systems
Tikoloho ea maoatle e sebelisa mehele ea bore slip ho radar le litsamaiso tsa puisano, e lumella ho potoloha ho tsoelang pele ha ho ntse ho netefatsa phetiso ea mats'oao e tšepahalang maemong a thata. Ho fafatsa letsoai, ho thothomela, le ho palama baesekele ho theha maemo a ts'ebetso a boima moo meralo e tiisitsoeng, e tiileng e bonts'ang bohlokoa.
Melemo ea Ka Bore Slip Ring Design
The hollow shaft configuration e fana ka melemo e khethehileng eo mehele e tiileng-e ke keng ea tšoana le eona.
Boiketlo ba Sebaka
Monyetla o khethehileng ke sebaka-ho boloka sebaka{1}}sekhala se thellang se thella feela karolong e kentsoeng, ho sa hlokahale meaho e meng. Sena se felisa ho tsamaisana ha likhokahano tsa motlakase haufi le litsamaiso tsa mochini oa ho khanna.
Lits'ebetsong tsa retrofit, ka li-bore units kenya li-shafts tse teng ntle le ho hlophisa bocha meaho e potolohileng. Tsela-e khona ho amohela lithapo tsa haeteroliki, li-pneumatic tubes, kapa lithapo tsa fiber optic sebakeng se le seng moo khokahanyo ea motlakase e leng teng.
Flexible Mounting Options
Ka-bore slip rings e ka kengoa qetellong ea shaft hammoho le holim'a shaft, ha mehele ea khale ea ho thella e ka kenngoa feela qetellong ea shaft. Mokhoa ona oa ho feto-fetoha o lumella baqapi ho beha sesebelisoa moo se sebeletsang meralo ea sistimi ho fapana le ho qobella ho sekisetsa moralo.
Phetoho e Bidirectional
Masale a hollow shaft slip a loketse mahlakore ka bobeli a ho potoloha, a etselitsoe hore selikalikoe se ka hare kapa sa kantle se ka potoloha kapa sa thibeloa. Ho feto-fetoha ha maemo ho nolofatsa ho hokahana le litsamaiso moo ho potolohang ho ka fetohang kapa moo lithibelo tsa ho hlongoa li ratang ho fetoha ha stator{1}}rotor.
Ho tšoarella le ho Tšepahala
Lisebelisoa tsa sejoale-joale le mahlale a borashe a eketsa bophelo ba ts'ebeletso haholo. Lisebelisoa li ka mamella lebelo ho fihla ho 1200 revolutions ka motsotso 'me li sebetsa ho thempereichara ho tloha ho -30 degrees to +80℃. Moralo o sa hlokeng tlhokomelo o na le bophelo ba ts'ebeletso bo hlalositsoeng hantle.
Ho tiisa tikoloho ho sireletsa likarolo tsa ka hare. Sehlopha sa ts'ireletso sa IP51 se fana ka tsitsipano e lekaneng khahlanong le metsi a phatlohileng kapa lerōle, ka litekanyetso tse phahameng tse fumanehang bakeng sa lits'ebetso tse boima haholo.
Ho Khetha Le letona Ka Bore Slip Ring
Khetho e nepahetseng e hloka ho bapisa lintlha tsa sesebelisoa le litlhoko tsa ts'ebeliso ho litekanyo tse ngata.
Ho khetholla Litlhoko tsa Bore Size
Qala ka ho khetholla ntho e 'ngoe le e' ngoe e lokelang ho feta mocha o bohareng. Lekanya bophara ba ka ntle ba shafts, cable bundles, kapa tubing, ebe u kenya clearance-ka tloaelo 2-5mm ho latela litlhoko le mokhoa oa ho instola.
Mefuta e tloaelehileng ea indasteri e kenyelletsa 12.7mm, 25.4mm, le 38.1mm letoto, ho tloha ho 12.7mm ho isa ho 300mm. Ho khetha boholo bo tloaelehileng ba bore ho fokotsa litšenyehelo le nako ea ho etella pele ha ho bapisoa le litekanyo tse tloaelehileng.
Potoloho le Moralo oa Hona Joale
Bala litsela tsohle tsa motlakase tse hlokahalang: lipotoloho tsa motlakase, lithapo tsa mats'oao, likanale tsa data, le litlhoko life kapa life tsa ho hloka mosebetsi. Arola matla a phahameng{{1}a hona joale ho mats'oao a bobebe ho thibela tšitiso.
Palo ea li-circuits ke paramethara e le 'ngoe ea mantlha-lipalo tse kholo tsa potoloho li eketsa ho rarahana ha tlhahiso le theko. Lekanya palo ea potoloho khahlanong le likhaello tsa lichelete ka ho kopanya moo ho khonehang ntle le ho senya ts'ebetso.
Boemo ba hona joale ba potoloho ka 'ngoe bo itšetlehile ka karolo ea - ea conductor. Li-conductors tse nang le boholo bo tlase li baka mocheso o thibelang matla o theolang boleng ba matšoao le ho khutsufatsa nako ea bophelo. Linyehelo tse tloaelehileng hangata li koahela 2-20A potoloho ka 'ngoe, ka meralo e tloaelehileng e fihlang maemong a holimo.
Lebelo le Mabaka a Tikoloho
Lebelo la ho sebetsa le ama ts'ebetso ea borashe le boleng ba matšoao. Ts'ebetso e tsoelang pele ka lebelo le holimo e khutsufatsa bophelo ba ts'ebeletso. Ho sebetsa ka lebelo le tsitsitseng ho khutsufatsa bophelo ba ho sebetsa ka sekhahla; lebelo le phahameng ka ho fetisisa le ama bophelo le ho nepahala ha phetiso ea mats'oao, ho ka bakang lerata la mats'oao, ho sotha, kapa ho senyeha ha selikalikoe se thellang.
Maemo a tikoloho a laola litlhoko tsa boemo ba tšireletso. IP51 e tloaelehileng e lumellana le maemo a mangata a indasteri a kahare. Lisebelisoa tsa metsing, tsa lijo, kapa tsa ka ntle li ka hloka IP65 kapa litlolo tse khethehileng.
Mocheso o feteletseng o ama khetho ea thepa le lubrication. Lisebelisoa tse amang lithapo tsa mouoane kapa libaka tse batang li hloka ho nahanoa ka tsela e khethehileng-ho kenya lithapo tsa mouoane ho ka hloka lesela le leng le entsoeng ka mocheso-lisebelisoa tse sireletsang mocheso.
Customization vs. Standard Models
Ka mehele ea bore slip ha se hangata lihlahisoa tse tloaelehileng, haholo-holo letoto la moetlo, hobane litlhoko tsa moreki ka mong bakeng sa ho kenya le ka lesoba li fapane. Le ha ho itloaetsa ho netefatsa ho lekana hantle, ho eketsa litšenyehelo le nako ea ho etella pele.
Mefuta e tloaelehileng e sebetsa bakeng sa lits'ebetso tse ngata mme e fana ka melemo: theko e tlase ka lebaka la tlhahiso ea molumo, ho fumaneha hanghang, le ho tšepahala ho netefalitsoeng ka boiphihlelo ba tšimo. Meetso e tloahelehileng e ba ea bohlokoa ha likhetho tse tloaelehileng li sekisetsa ts'ebetso kapa ha liphephetso tsa ho kopanya li lokafatsa matsete.
Mehopolo ea Tlhophiso le Tlhokomelo
Ho kenya ka nepo le tlhokomelo e fokolang li netefatsa ts'ebetso ea nako e telele{{0}e tšepahalang.
Tlhophiso Mekhoa e Metle ka ho Fetisisa
Ka mehele ea bore slip e kenya ka flange kapa sete sephutheloana sa screw. Sekurufu se le seng kapa tse ngata li lokisa selikalikoe sa slip ho shaft e hollow, ka matla a ho koala a lekaneng bakeng sa meroalo e bobebe, athe botenya bo lekaneng ba lebota bo lumella khokahanyo ea lesoba bakeng sa ho kopanela.
Ho tsamaisana lipakeng tsa likarolo tse bilikang le tse emeng ho ama ho tšoana ha borashe. Ho felloa ke matla ho feteletseng kapa ho sisinyeha ho potlakisa ho khathala le ho theola tšebetso ea motlakase. Netefatsa ho otloloha ha shaft le boemo ba ho jara pele ho kenya reng e thellang.
Ho tsamaisa thapo ho tloha ho rotor le stator ho hloka loop e lekaneng ea litšebeletso. Ho fokola ho sa lekaneng ho baka khatello ea kelello nakong ea ho potoloha. Bolelele ba thapo ea 250mm ka 'ngoe ho rotor le stator e lumella khokahano e bonolo ho litsamaiso tse teng.
Litlhoko tsa Tlhokomelo
Meetso ea sejoale-joale ea brashi ea fiber e fokotsa litlhoko tsa tlhokomelo. Librashe tsa fiber ha li hloke ho tlotsoa 'me ha li hlahise lithōle, li felisa ho hloekisa nako le nako ho hlokahalang.
Linako tsa litšebeletso li ipapisitse le maemo a ts'ebetso-ho potoloha ka lebelo le phahameng-ka lebelo le tsoelang pele sebakeng se lerōle ho hloka tlhahlobo khafetsa ho feta ts'ebeliso ea nakoana ea ka tlung. Licheke tse bonoang li lokela ho netefatsa boemo ba borashe, bots'epehi ba khokahano, le katleho ea tiiso ea matlo.
Meralo e mengata e fana ka-borashe bo ka nkeloang sebaka. Liyuniti li na le li-block tsa brashi tse sebetsang hantle, tse lumellang{2}}ho fetola sebaka ntle le ho khutlisetsa lisebelisoa ho moetsi. Ho boloka li-block tsa spare brush ho fokotsa nako ea ho sebetsa bakeng sa lits'ebetso tsa bohlokoa.
Mekhoa ea Limmaraka le Lintlafatso tsa Bokamoso
'Maraka oa "Bore slip ring ring" o bonts'a kholo e tsitsitseng e susumetsoang ke katoloso ea othomathike le ho amoheloa ha matla a tsosolositsoeng.
Tlhokahalo e ntseng e hola ea li-automation tsa indasteri ke mokhanni oa bohlokoa kaha mehele ea bore slip e bohlokoa bakeng sa ts'ebetso e bonolo ea litsamaiso tse ngata tse ikemetseng, ho netefatsa phepelo ea motlakase e tsoelang pele le phetisetso ea mats'oao lipakeng tsa lisebelisoa tse tsitsitseng le tse potolohang. Ha tlhahiso e ntse e tsoela pele ho itšetleha ka litsamaiso tsa liroboto le mechini e ikemetseng, litlhoko tsa mehala ea slip li hola ka tsela e tšoanang.
Asia Pacific e hlahile e le sebaka se hlahelletseng ka ho fetesisa 'marakeng ka lebaka la lintlha tse kenyelletsang nts'etsopele ea indasteri ea sefofane le ts'ireletso, moo mehele ea bore slip e fumanang lits'ebetso lits'ebetsong tsa radar, lisathelaete le lisebelisoa tse ling tse nepahetseng haholo. Bokhoni ba tlhahiso ea libaka le nts'etsopele ea thekenoloji e tsoela pele ho potlaka.
Theknoloji ea ho iphetola ha lintho e shebana le litsela tse 'maloa. Meralo e se nang mabitso e sebelisang phetiso ea motlakase kapa ea optical e felisa ho roala borashe ka ho felletseng, ho rekisa bonolo ba mochini bakeng sa ho rarahana ha elektroniki. Ho se kopane ka li-bore slip rings ho nolofalletsa puisano ea nako ea-ea Ethernet ka maqhubu a motlakase, e nang le pluggable modular e kopanyang habonolo le litokiso tsa boholo ba bore ho fihla ho 250mm.
Ho kopanya ha Hybrid ho kopanya mehele e thellang ea motlakase le likhoele tsa rotary tsa fiber optic likopanong tse le 'ngoe. Bore e ka kopanya motsoako oa fiber optic rotary, o etsoang ke moetsi kapa moreki ka likarolo tse fanoeng. Mokhoa ona o sebetsana le litlhoko tse phahameng- tsa data tsa bandwidth ha ho ntse ho bolokoa phetiso e tloaelehileng ea motlakase.
Lipotso Tse Botsoang Khafetsa
Phapano ke efe lipakeng tsa bore le li-slip ring tse tloaelehileng?
Li-bore slip rings li na le kanale e bohareng e lumellang ho feta-ka har'a shafts, cables, kapa tubing, athe li-slip ring tse tloaelehileng li na le mohaho o tiileng oa bohareng. Moralo o se nang letho o thusa ho hlongoa kae kapa kae haufi le shaft 'me o fana ka lisebelisoa tse kopaneng tsa{2}} tsa motlakase.
Na ka mehele ea bore slip e ka fetisa matšoao a data le matla ka nako e le 'ngoe?
E, mehele ea sejoale-joale ka bore slip rings e sebetsana le mefuta e fapaneng ea matšoao ka nako e le ngoe. Li-circuits tse arohaneng li tsamaisa motlakase ka maemo a fapaneng a motlakase hammoho le-matshwao a motlakase a tlase, data ea serial, kapa esita le likanale tsa fiber optic ka meralo e nyalisitsoeng. Karohano e nepahetseng ea potoloho le ho sireletsa li thibela crosstalk.
Li-ring tsa bore slip li nka nako e kae?
Bophelo ba tšebeletso bo fapana ho ea ka moralo, maemo a ts'ebetso le tlhokomelo. Theknoloji ea Fiber brush e eketsa nako ea bophelo ka ho fokotsa ts'ebetso{1}}meetso e meng e feta liphetoho tse limilione tse 100. Ts'ebetso e tsoelang pele ka lebelo le phahameng kapa libakeng tse silafetseng e khutsufatsa bophelo, ha ts'ebeliso ea nakoana maemong a hloekileng e eketsa bophelo bo bolelele.
Na ka mehele ea bore slip e thibela metsi?
Mefuta e tloaelehileng e fana ka khanyetso ea splash (hangata IP51), eseng ho thibela metsi ka botlalo. Lisebelisoa tse hlokang ho qoelisoa ka metsing kapa{2}}ka khatello e phahameng ea ho hlatsoa li hloka IP65 kapa lintlha tse holimo. Lisebelisoa tsa metsing hangata li totobatsa kaho ea tšepe e sa hloekang e nang le tiiso e ntlafalitsoeng bakeng sa tikoloho ea metsi a letsoai.
Ho utloisisa ka mehele ea bore slip ho qala ka ho lemoha hore ba rarolla phephetso ea bohlokoa: ho boloka likhokahano tsa motlakase nakong ea potoloho e sa khaotseng ha ho ntse ho amohela likarolo tsa mochini bohareng. Kopo ea bona e akaretsa liindasteri ho tloha ho lisebelisoa tsa bongaka ho ea ho matla a tsosolositsoeng, ka khetho ho latela litlhoko tsa boholo ba bore, litlhoko tsa motlakase, maemo a tikoloho le lebelo la ho potoloha. Ha othomathike le motlakase li ntse li hola liindastering tsohle, lisebelisoa tsena li lula li le bohlokoa bakeng sa ho nolofaletsa litsamaiso tse poteletseng tsa maemo a holimo.
Mehloli ea Boitsebiso
Moog Inc{0}} Slip Rings with Through Bores (moog.com)
MOFLON Inc. - Ka Bore Slip Rings Technical Documentation (moflon.com)
Senring - Ka Hole Slip Ring Application (senring.com)
B{{0}TAELO - Ka-Bore Slip Rings Litlhaloso (b-command.com)
rotarX - Indasteri ka-Bore Slip Rings (rotarx.com)
Grand Technology - Through Hole Slip Ring Guide (grandslipring.com)
Lintlha tsa Lipatlisiso tsa Khoebo - Ka Tlaleho ea Maraka ea Bore Slip Rings ea 2024 (businessresearchinsights.com)
EVERAXIS - Ha e na Contact ka Bore Slip Rings (everaxis.com)