Mushure mokunge bhengi yave ichimhanya kwenguva yakati, hazvidzivisiki kuti pachava nekudiwa kwekugadziriswa kana kukanganisa uye kuchinjwa. Mumazuva ekutanga ekuvandudzwa kweindasitiri yemuchina, paifanira kuve nekuzivikanwa kwakawanda kweruzivo rwehunyanzvi uye kuziva nezvemaitiro akachengeteka ekushanda. Nhasi, tichangotaura nezve disassembly yemabheya.
Zvakajairika kuti vamwe vanhu vatsemure mabheya nekukasika vasina kunyatsoaongorora. Kunyange zvazvo izvi zvingaita sezvinobudirira, zvakakosha kufunga kuti hazvisi zvose zvinokuvadza zvinoonekwa pamusoro pekutakura. Panogona kunge paine kukanganisa mukati kusingaonekwe. Uyezve, kutakura simbi yakaoma uye brittle, zvinoreva kuti inogona kutsemuka pasi pehuremu hwayo, zvichiita kuti zvive nemigumisiro yakaipa.
Izvo zvakakosha kutevedzera maitirwo esainzi uye kushandisa maturusi akakodzera paunenge uchiisa kana disassembling bearing kudzivirira chero kukuvara kungangoitika. Yakarurama uye inokurumidza disassembly yemabheya inoda unyanzvi uye ruzivo, izvo zvinokurukurwa zvakanyanya munyaya ino.
Safety kutanga
Kuchengetedzeka kunofanirwa kugara kuri iko kwekutanga kwese kuvhiya, kusanganisira kutakura disassembly. Bearings vanogona kusangana nekupfeka uye kubvaruka kusvika kumagumo ehupenyu hwavo. Mumamiriro ezvinhu akadaro, kana iyo disassembly process isina kuitwa nemazvo uye kuwanda kwesimba rekunze rinoiswa, pane mukana wakakura wekubereka kutyora. Izvi zvinogona kuita kuti zvimedu zvesimbi zvibhururuke zvichibuda, zvichiunza njodzi huru yekuchengetedza. Nokudaro, zvinokurudzirwa kushandisa jira rekudzivirira paunenge uchibvisa bheya kuti uone kushanda kwakachengeteka.
Kurongeka kwekubereka disassembly
Kana zviyero zvetsigiro zvakagadzirirwa nemazvo, mabhengi ane clearance fits anogona kubviswa nekuenzanisa mabheji, chero asina kuremara kana kuita ngura nekuda kwekushandisa zvakanyanya uye akanamatira pazvikamu zvinoenderana. Zvinonzwisisika disassembly of bearings pasi pekuvhiringidza fit mamiriro ndiwo musimboti wekubereka disassembly tekinoroji. Kutakura kupindira kwakakodzera kwakakamurwa kuva marudzi maviri: kupindira kwemhete yemukati uye kupindira kwemhete yekunze. Mundima dzinotevera, tichakurukura marudzi maviri aya akaparadzana.
1. Kupindira kwechindori chemukati chekutakura uye kubvumirwa kwemvumo yemhete yekunze
1. Cylindrical shaft
Kutakura disassembly kunoda kushandiswa kwezvishandiso zvakananga. Chinodhonza chinowanzo shandiswa kune mabearings madiki. Madhiri aya anouya nemhando mbiri – two-claw nethree-claw, ose anogona kukwizwa kana kuti hydraulic.
Chishandiso chemazuva ese ndicho chinodhonza shinda, chinoshanda nekubatanidza sikuruu yepakati neburi repakati peshaft, kuzora girisi pakati peburi reshaft, wozokochekera chirauro panoperera ring yemukati yebearing. Kana hoko yave panzvimbo, chipanera chinoshandiswa kutenderedza danda repakati, iro rinobva raburitsa fani.
Kune rumwe rutivi, hydraulic puller inoshandisa hydraulic device panzvimbo yeshinda. Kana yakadzvinyirirwa, piston iri pakati inotambanuka, uye kutakura kunoburitswa kunze nguva dzose. Inokurumidza kupfuura yechinyakare tambo yekudhonza, uye iyo hydraulic mudziyo unogona kukurumidza kudzoka.
Mune zvimwe zviitiko, hapana nzvimbo yezvipikiri zvechinyakare chinodhonza pakati pekupedzisira kumeso kwemhete yemukati yekutakura uye zvimwe zvikamu. Mumamiriro ezvinhu akadaro, chidimbu chezvikamu zviviri chinogona kushandiswa. Iwe unogona kusarudza saizi yakakodzera yeiyo splint uye kuibvisa zvakasiyana nekushandisa kumanikidza. Zvikamu zveplywood zvinogona kuitwa zvitete kuitira kuti zvikwanise kupinda munzvimbo dzakamanikana.
Kana bheji hombe remabhengi madiki-diki richida kubviswa, chigadziriso chekukurumidza-disassembly hydraulic chinogona kushandiswa zvakare (sezvinoratidzwa pazasi).
▲Kurumidza bvisa hydraulic mudziyo
Kune disassembly yeakakosha mabhengi pane njanji mota axles, kune zvakare yakakosha mobile disassembly zvishandiso.
▲Mobile disassembly mudziyo
Kana saizi yebearing iri hombe, saka simba rakawanda rinozodiwa kuibvisa. Mumamiriro ezvinhu akadaro, madhiraivha haashande, uye mumwe anozoda kugadzira maturusi akakosha eku disassembly. Kufungidzira simba shoma rinodiwa pakubvisa, unogona kutaura kune simba rekuisa rinodiwa kuti kutakura kukunda kupindira kwekukanganisa. Iyo calculation formula ndeyotevera:
F=0.5 *π *u*W*δ* E*(1-(d/d0)2)
F = Simba (N)
μ = friction coefficient pakati pemhete yemukati uye shaft, kazhinji inotenderedza 0.2
W = mhete yemukati (m)
δ = kupindira kwakakodzera (m)
E = Young's modulus 2.07×1011 (Pa)
d = kutakura dhayamita yemukati (mm)
d0 = dhayamita yepakati penzira yekunze yemhete yemukati (mm)
π= 3.14
Kana simba rinodiwa kuparadzanisa bearing rakanyanyisa kune nzira dzakajairwa uye njodzi dzinokuvadza kutakura, gomba remafuta rinowanzo gadzirwa kumagumo kweshaft. Iri gomba remafuta rinoenda kunzvimbo yekutakura uye rozopinda mukati me shaft surface radially. Annular groove inowedzerwa, uye pombi ye hydraulic inoshandiswa kudzvanya mugumo we shaft kuti uwedzere mhete yemukati panguva ye disassembly, kuderedza simba rinodiwa pakuparadza.
Kana iyo kutakura yakakura kwazvo kuti iparadzwe nekudhonza nyore nyore, ipapo nzira yekupisa yekupisa inoda kushandiswa. Nokuda kweiyi nzira, midziyo yakakwana yakadai sejeki, mageji ehurefu, maparadziri, nezvimwewo, zvinoda kugadzirirwa kushanda. Iyo nzira inosanganisira kudziyisa coil zvakananga pamujaho wemhete yemukati kuti iwedzere, zvichiita kuti zvive nyore kuparadzanisa fani. Iyi imwe nzira yekudziya inogona zvakare kushandiswa kune cylindrical mabhengi ane anopatsanurika rollers. Nekushandisa nzira iyi, kutakura kunogona kuparadzaniswa pasina kukuvadza.
▲Kupisa disassembly nzira
2. Tapered shaft
Paunenge uchibvisa bheji yakanyungudutswa, iyo hombe yekupedzisira yakatarisana nemhete yemukati inoda kudziya sezvo nzvimbo yayo yakakura zvakanyanya kupfuura imwe magumo kumeso. Iyo inochinjika coil yepakati frequency induction heater inoshandiswa kupisa mhete yemukati nekukurumidza, ichigadzira mutsauko wetembiricha neshaft uye ichibvumira disassembly. Sezvo tapered bearings inoshandiswa paviri, mushure mokubvisa mhete imwe yemukati, imwe yacho ichange isingadzivisiki pakupisa. Kana iyo huru yekupedzisira yepamusoro isingagoni kupisa, cage inofanira kuparadzwa, ma rollers abviswa, uye mhete yemukati inobuda pachena. Iyo coil inogona kuiswa yakananga pamujaho wekudziya.
▲ Flexible coil yepakati frequency induction hita
Tembiricha yekudziya yehita haifanire kudarika 120 madhigirii celsius nekuti kutakura disassembly kunoda kukurumidza kusiyana kwekushisa uye maitiro ekushanda, kwete tembiricha. Kana iyo ambient tembiricha yakakwira zvakanyanya, kupindira kwakakura kwazvo, uye musiyano wekushisa hauna kukwana, chando chakaoma (solid carbon dioxide) chinogona kushandiswa senzira yekubatsira. Iyo yakaoma ice inogona kuiswa pamadziro emukati megomba shaft kuti ikurumidze kudzikisa tembiricha yeshaft (kazhinji kune yakakura-saizi.cnc zvikamu), nokudaro zvichiwedzera kusiyana kwekushisa.
Kune disassembly ye tapered bore bearings, usabvisa zvachose clamping nut kana michina pamagumo e shaft isati yaparara. Ingoisunungura chete kuti isaite tsaona dzinodonha.
Iyo disassembly yemahombe-akakura tapered shafts inoda kushandiswa kwemaburi emafuta edissembly. Kutora chigayo chine mitsara mina ine tapered TQIT ine tapered bore semuenzaniso, mhete yemukati yebearing yakakamurwa kuita zvikamu zvitatu: mhete dzemukati-mutsara miviri uye mhete yemukati kaviri pakati. Kune maburi matatu emafuta ari kumucheto kwemupumburu, anowirirana nechiratidzo 1 uye 2,3, apo rimwe rinoenderana nemhete yemukati yekunze, maviri anofanana nemhete yemukati yakapetwa kaviri iri pakati, uye matatu anoenderana nemhete yemukati chikuru dhayamita. Paunenge uchibvisa, patsanura munhevedzano yenhamba dzakatevedzana uye dzvanya maburi 1, 2, uye 3, zvichiteerana. Mushure mokunge zvese zvapera, kana kutakura kunogona kusimudzwa paunenge uchityaira, bvisa mhete yehinge pamagumo e shaft uye bvisa kutakura.
Kana kutakura kuchizoshandiswa zvakare mushure mekuparadzana, masimba anoshandiswa panguva yekuputika haafaniri kuendeswa kuburikidza nezvinhu zvinoputika. Kune akapatsanurika mabhengi, mhete yekubereka, pamwe chete neinotenderedza element cage musangano, inogona kuparadzaniswa zvakasiyana kubva kune imwe inotakura mhete. Paunenge uchiparadzanisa mabheji asina kupatsanurwa, unofanirwa kutanga wabvisa zvindori zvekubereka zvine clearance fit. Kuti uparadzanise mabearings ane chinopindirana chinokodzera, unofanirwa kushandisa maturusi akasiyana zvichienderana nerudzi rwawo, saizi, uye yakakodzera nzira.
Disassembly yemabhengi akaiswa pa cylindrical shaft diameter
Cold disassembly
Mufananidzo 1
Paunenge uchibvisa mabheji maduku, mhete inotakura inogona kubviswa kubva mugomba nekurova rutivi rwechindori chekutakura zvinyoronyoro nepunch yakakodzera kana mechanical puller (Mufananidzo 1). Kubata kunofanira kushandiswa kune mhete yemukati kana zvikamu zviri pedyo. Kana shaft pfudzi uye pfudzi rakabereka pfudzi zvakapihwa migodhi kuti igone kubata kweanodhonza, iyo disassembly process inogona kurerutswa. Pamusoro pezvo, mamwe maburi ane shinda anogadzirwa pamapfudzi egomba kuitira kuti mabhaudhi asundire kunze mabhengi. (Mufananidzo 2).
Mufananidzo 2
Makuru uye epakati-saizi mabearings anowanzoda simba rakawanda kupfuura maturusi emuchina anogona kupa. Naizvozvo, zvinokurudzirwa kushandisa hydraulic simba maturusi kana mafuta jekiseni nzira, kana ese ari maviri pamwechete. Izvi zvinoreva kuti shaft inoda kugadzirwa nemakomba emafuta uye grooves yemafuta (Mufananidzo 3).
mufananidzo 3
Kupisa disassembly
Pakubvisa mhete yemukati yemabhengi etsono kana NU, NJ, uye NUP cylindrical roller bearings, iyo thermal disassembly nzira yakakodzera. Kune maviri anowanzoshandiswa kupisa maturusi: kupisa mhete uye inogadziriswa induction heaters.
Mhete dzekudziya dzinowanzo shandiswa pakugadzika uye kupatsanura zvindori zvemukati zvemadiki uye epakati-saizi mabearings akaenzana. Mhete yekudziya inogadzirwa neyakajeka alloy uye ine radially slotted. Iyo zvakare yakashongedzerwa nemagetsi insulated mubato.(Fig. 4).
Mufananidzo 4
Kana zvindori zvemukati zvemadhayamita akasiyana-siyana zvinowanzoparadzaniswa, zvinokurudzirwa kushandisa inogadziriswa induction heater. Aya maheater (Mufananidzo 5) anokurumidza kupisa mhete yemukati pasina kupisa shaft. Pakubvisa zvindori zvemukati zvema cylindrical roller bearings, mamwe akakosha akaiswa induction heaters anogona kushandiswa.
Mufananidzo 5
Kubvisa mabhengi akaiswa paconical shaft madhayamita
Kuti ubvise mabearings madiki, unogona kushandisa mechanical kana hydraulically powered puller kudhonza mhete yemukati. Vamwe vanodhonza vanouya nemaoko anoshandiswa muchirimo ane dhizaini yekuzvimiririra kurerutsa maitiro uye kudzivirira kukanganisa kumagazini. Kana chikwambo chekudhonza chikatadza kushandiswa parin'i yemukati, bhengi rinofanirwa kubviswa nerin'i yekunze kana kushandisa chinodhonza chakasanganiswa neinodhonza. (Mufananidzo 6).
Mufananidzo 6
Paunenge uchibvisa mabheji epakati uye akakura, kushandisa nzira yejekiseni yemafuta kunogona kuwedzera kuchengetedzeka uye kurerutsa maitiro. Iyi nzira inosanganisira jekiseni re hydraulic mafuta pakati penzvimbo mbiri dzakatenderedza, uchishandisa maburi emafuta uye grooves, pasi pekumanikidzwa kwakanyanya. Izvi zvinoderedza kupokana pakati pezviviri izvi, zvichigadzira simba reaxial rinoparadzanisa kubereka uye shaft dhayamita.
Bvisa bearing kubva pane adapta sleeve.
Kune mabheji madiki akaiswa pamigero yakatwasuka ane maadapter sleeves, unogona kushandisa nyundo kugogodza simbi diki simbi zvakaenzana pachiso chekupedzisira chemhete yemukati yekutakura kuti uibvise (Mufananidzo 7). Izvi zvisati zvaitika, iyo adapta sleeve yekuvhara nati inoda kusunungurwa akati wandei.
Mufananidzo 7
Kune madiki mabearings akaiswa paadapter sleeve ane akatsika shafts, anogona kupatsanurwa nekushandisa sando kukwenya kudiki kumagumo kweiyo adapta sleeve yekuvhara nati kuburikidza neakakosha sleeve (Mufananidzo 8). Izvi zvisati zvaitika, iyo adapta sleeve yekuvhara nati inoda kusunungurwa akati wandei.
Mufananidzo 8
Kune mabearings akaiswa paadapter sleeves ane stepped shafts, kushandiswa kwe hydraulic nuts kunogona kuita kuti kutakura kubviswa kuve nyore. Nechinangwa ichi, chigadziro chakakodzera chekumira chinofanira kuiswa pedyo ne hydraulic nut piston (Mufananidzo 9). Nzira yekuzadza mafuta inzira iri nyore, asi sleeve yeadapter ine maburi emafuta uye grooves yemafuta inofanira kushandiswa.
Mufananidzo 9
Bvisa bhengi pane sleeve yekubvisa
Paunenge uchibvisa kutakura pane sleeve yekubvisa, mudziyo wekuvhara unofanirwa kubviswa. (Senge kukiya nzungu, mapepa ekupedzisira, nezvimwewo)
Kune mabheji madiki uye epakati-kati, lock nuts, hook wrenches kana impact wrenches inogona kushandiswa kuparadzanisa (Mufananidzo 10).
Mufananidzo 10
Kana iwe uchida kubvisa mabhengi epakati uye akakura akaiswa pane yekubvisa sleeve, unogona kushandisa hydraulic nuts kuti ibvise nyore. Zvisinei, zvinokurudzirwa zvikuru kuisa chigadziro chekumira kuseri kwe hydraulic nut kumucheto we shaft (sezvinoratidzwa mumufananidzo 11). Ichi chinomira chinodzivirira sleeve yekubvisa uye hydraulic nati kubva pakubhururuka kubva mugomba nekukasira, kana sleeve yekubvisa ikaparadzaniswa kubva panzvimbo yayo yekusangana.
Mufananidzo 11 Tingshaft inotakura
2. Kupindira kunokodzera kubereka mhete yekunze
Kana mhete yekunze yebearing ine kupindirana kwakakodzera, zvakakosha kuve nechokwadi kuti mhete yekunze dhayamita yepfudzi haisi diki pane dhayamita retsigiro rinodiwa nebeche risati rabviswa. Kubvisa mhete yekunze, unogona kushandisa dhizaini rekushandisa rinoratidzwa mumufananidzo uri pazasi.
Kana iyo yekunze mhete yepfudzi dhayamita yemamwe maapplication ichida kufukidzwa kwakazara, maviri anotevera magadzirirwo sarudzo anofanirwa kutariswa panguva yekugadzira nhanho:
• Maviri kana matatu notches anogona kuchengetwa pachinhanho chechigaro chekutakura kuitira kuti mbambo dzekudhonza dzive nenzvimbo yakasimba yekubvisa nyore.
• Gadzira maburi mana kuburikidza ne-threaded kuseri kwechigaro chekutakura kuti usvike kune chiso chekupedzisira. Ivo vanogona kuvharwa nema screw plugs panguva dzakajairwa. Paunenge uchibvisa, shandura iwo nemasikiru marefu. Simbisa masiruuru akareba kuti zvishoma nezvishoma asundire kunze mhete yekunze.
Kana iyo kutakura yakakura kana kupindira kwakakosha, iyo inochinjika coil induction yekudziya nzira inogona kushandiswa disassembly. Iyi nzira inoitwa kuburikidza nekunze kwekunze kwebhokisi rekupisa. Iyo yekunze yebhokisi inofanirwa kuve yakatsetseka uye yakajairika kudzivirira kupisa kwenzvimbo. Mutsetse wepakati webhokisi unofanirwa kunge uri perpendicular pasi, uye kana zvichidikanwa, jack inogona kushandiswa kubatsira.
Izvo zviri pamusoro apa mhedziso yakajairika ye disassembly nzira dzemabheya mumamiriro akasiyana. Sezvo kune marudzi akasiyana-siyana emabhengi anoshandiswa zvakanyanya, maitiro e disassembly uye zvidziviriro zvinogona kusiyana. Kana iwe uine chero chaunoda, ndapota inzwa wakasununguka kubvunza iyo Dimond Rolling Mill Bearing Engineering Technical Team. Isu tichashandisa ruzivo rwedu rwehunyanzvi uye hunyanzvi kugadzirisa nyaya dzakasiyana kwauri. Nekutevera iyo chaiyo yekubereka disassembly nzira, unogona kunyatso chengetedza uye kutsiva mabhengi uye nekuvandudza mashandiro emidziyo yekushandisa.
PaAnebon, tinotenda zvakasimba mu "Mutengi Kutanga, High-Quality Nguva dzose". Neanopfuura makore gumi nemaviri echiitiko muindastiri, tanga tichishanda padhuze nevatengi vedu kuvapa anoshanda uye akasarudzika masevhisi eCNC kugaya zvikamu zvidiki,CNC yakagadzira zvikamu zvealuminium,uyekufa-kukanda zvikamu. Isu tinodada nehurongwa hwedu hunoshanda hwevatsigiri hunova nechokwadi chemhando yepamusoro uye inodhura-inoshanda. Isu takabvisawo vatengesi vasina kunaka, uye ikozvino akati wandei maOEM mafekitori akabatana nesu zvakare.
Nguva yekutumira: Chivabvu-06-2024