Kubaluleke kakhulu ukudibanisa ukuthwala i-diameter yangaphakathi kunye ne-shaft kunye ne-diameter yangaphandle kunye nezindlu xa ukuthwala kufakwe.Ukuba ukulingana kukhululekile kakhulu, indawo yokukhwelana iya kuvelisa isilayidi esihambelanayo, esibizwa ngokuba yi-creep.Nje ukuba isilwanyana singene, siya kuguga umphezulu wokukhwelana, sonakalise i-shaft okanye indlu, kwaye umgubo wokunxiba uya kungena kwibheringi, ubangele ubushushu, ukungcangcazela kunye nomonakalo.Ukuphazamiseka okugqithisileyo kuya kukhokelela kwi-diameter yangaphandle encinci ye-ring yangaphandle okanye i-diameter yangaphakathi enkulu ye-ring yangaphakathi, eya kunciphisa ukucocwa kwangaphakathi kwe-bearing.Ukongezelela, ukuchaneka kwejometri ye-shaft kunye nokulungiswa kwegobolondo kuya kuchaphazela kwakhona ukuchaneka kwasekuqaleni kwendandatho yokuthwala, ngaloo ndlela kuchaphazela ukusebenza kokuthwala.
1.1 Ukukhethwa kwe-Fit 1.1.1 Ubume bomthwalo kunye nokukhethwa kokulungelelaniswa kumiselwa ngokuhambelana nesikhokelo somthwalo wokuthwala kunye nesimo sokujikeleza kweendandatho zangaphakathi nangaphandle, ngokuqhelekileyo zibhekisela kwiThebhile 1. ngeringi yangaphakathi: ujiko olubi: umsesane omileyo ohambayo: umsesane osisigxina ojikelezayo ongaphakathi umthwalo ongaphakathi, umsesane omileyo ongaphandle USEBENZISA uphazamiseko olulinganayo (ukuphazamiseka kokulingana) umsesane ongaphandle: umsesane okhoyo obalekayo (ucoceko) umsesane ongaphakathi: isangqa esimileyo yomthwalo, kunye neringi yangaphandle kunye nokujikelezisa iringi yangaphakathi: ukujika okungalunganga: umsesane omileyo omileyo: umsesane osisigxina omileyo wangaphakathi umthwalo ongaphakathi, umsesane ojikelezayo okhoyo osebenzayo osebenzayo (ucoceko) umsesane wangaphandle: USEBENZISA uphazamiseko olulinganayo (ukuphazamiseka kokungena) ngaphakathi. umsesane: isangqa esimileyo esingalunganga: isalathiso somthwalo ojikelezayo: kunye neringi yangaphakathi ejikelezayo ngaxeshanye.2) Ukulungelelaniswa okucetyiswayo Ukukhetha ukulungelelaniswa okufanelekileyo, ukuthwala iimpawu zomthwalo, ubungakanani, iimeko zeqondo lokushisa, ukufakela ukuthwala, ukususwa kweemeko ezahlukeneyo.Xa ukuthwala kufakwe kwigobolondo elincinci kunye ne-hollow shaft, isixa sokuphazamiseka kufuneka sibe sikhulu kunezinye eziqhelekileyo.Iqokobhe elizahluliweyo linokuguqula ngokulula iringi yangaphandle yokuthwala, ngoko ke iringi yangaphandle kufuneka isetyenziswe ngononophelo phantsi kwemeko yolungelelwaniso oluzinzileyo.Kwimeko yokungcangcazela okukhulu, iringi yangaphakathi kunye neringi yangaphandle kufuneka yamkele ulungelelwaniso olumileyo.
Sebenzisana nezona ngcebiso zixhaphakileyo, bhekisa kwitheyibhile 2, itheyibhile 3 itafile 2 ukuthwala okusecentripetal kunye neshafti enemiqathango yamatyala asebenzayo (ireferensi) ububanzi be-asi (mm) ingqukuva yerola ephethe iremark iibheringi iibheringi zecylindrical roller iibheringi ezizenzekelayo ukulungelelanisa i-roller ephethe i-cylindrical umngxuma ophethe umsesane wangaphandle kunye nomthwalo ojikelezayo we-shaft udinga iringi yangaphakathi kwi-shaft kulula ukuhambisa amavili e-axle e-static yonke imilinganiselo ye-g6 echanekileyo, kunye ne-g5, i-h5, ukuthwala kunye nokuququzelela i-mobile efunekayo i-h6 nayo iyafumaneka ngaphandle kweringi yangaphakathi ilula. ukuhambisa ivili loxinzelelo lwe-shaft h6 isakhelo esijikelezayo seringi yangaphakathi, intambo ejikelezileyo okanye isalathiso somthwalo oguquguqukayo phantsi komthwalo okhanyayo 0.06 Cr (1) umthwalo ohlukeneyo womthwalo wezixhobo, impompo, isivuthelo, ilori, oomatshini bokuchaneka, isixhobo somatshini phantsi kwe-18 -- Js5 ukuchaneka xa efunwa ngumgangatho we-p5, i-diameter yangaphakathi usebenzisa ibhola echanekileyo ephantsi kwe-18 mm h5.Umthwalo oqhelekileyo (0.06~0.13) I-Cr (1) iGreece ethwele inxenye ye turbine yenjini ephakathi nendawo enkulu, impompo, ijikelezo leinjini, isixhobo sokuhambisa igiya, oomatshini bokwenza amaplanga abangaphantsi kwe-18 -- N6 iibheringi ezirola ngomqolo omnye kunye nebhola yomgca omnye weradial thrust iibheringi zingasetyenziswa k6, M6 endaweni K5, M5.P6 140-200 40-65 R6 200-280 100-140 N6 -- 200-400 140-280 P6 -- 280-500 R6 -- Ngaphezulu kwe-500 R7 umthwalo onzima (ngaphezu kwe-0.13Cr (1)) umzila kaloliwe wemoto kunye nemizi-mveliso abanini bezithuthi umatshini wokwakha iimoto zombane isityuyi -- 50-140 50-100 N6 Isidingo sikhulu kunokususwa kokuthwala - p6, 140-200, 100-140 - ngaphezu kwe-200, 140-200 r6 -- 200-500 r7 thwala kuphela umthwalo we-axial wamalungu esakhiwo esithwala indawo yokusetyenziswa yonke imilinganiselo Js6 (j6) - Itheyibhile 3 ethwele i-centripetal eneqokobhe lomngxuma iimeko ezisebenzayo iimeko ezisebenzayo (ireferensi) intshukumo yeringi yangaphandle yokunyamezelana kwinqanaba lenqaku jikelele umngxuma weqokobhe olunodonga oluthwele umngxunya ongaphandle umthwalo onzima weebheringi zevili lemoto yemoto (ikhreyini) uhambe ngevili lendlela P7 umsesane wangaphandle ukuya kwicala le-axial.
Umthwalo oqhelekileyo, umthwalo onzima wevili lemoto (iibheringi zebhola) shaker N7 umthwalo wokukhanya okanye ukutshintsha umthwalo wokuhambisa ibhanti ivili le-pulley wheel, i-pulley M7 ingeyiyo inginginya yomthwalo ohambelana nomthwalo omkhulu umthwalo wetroli okanye umthwalo olula wempompo crankshaft spindle enkulu motor K7 iringi yangaphandle ngaphakathi Umgaqo-siseko hayi kwicala le-axial leringi yangaphandle ayifuni kulwalathiso lwe-axial uhlobo lwemingxunya yeqokobhe oludityanisiweyo okanye umngxuma wohlobo lokwahlulwa kweqokobhe oluqhelekileyo umthwalo oqhelekileyo okanye umthwalo olula JS7 (J7) umsesane wangaphandle uya kukwazi ukufuduselwa kwi-axial ifuna iringi yangaphandle ukuya Isalathiso se-axial somthwalo ojikelezayo wendandatho yangaphakathi yazo zonke iintlobo zomthwalo othwele inxalenye yebhokisi yokuthwala ngokubanzi yesithuthi sikaloliwe i-H7 iringi yangaphandle ukuya kwicala le-axial ngokulula-umthwalo oqhelekileyo okanye umthwalo olula ulungelelanisa ukungeniswa kwi-shaft yeqokobhe kunye nokuthwala isangqa esipheleleyo se-H8 kumthwalo ngokubanzi, ubushushu obuphezulu bephepha bokwenza isomisi G7 umthwalo wokukhanya, ngakumbi ufuna ukuchaneka kokusila ukujikeleza ukujikeleza ngasemva kwebhola ethwele i-high-speed centrifugal compressor esisigxina kwicala elithwele i-JS6 (J6) umsesane wangaphandle ukuya kwicala le-axial - engalathiswanga umthwalo wesalathiso ngasemva. yebhola ethwele ukugaya i-spindle high-speed centrifugal compressor K6 side esisigxina ephethe iringi yangaphandle egxininiswe kwicala le-axial yomthwalo ngokomgaqo, esebenzayo kwisixa sokuphazamiseka okukhulu kuno-K, iimfuno ezikhethekileyo phantsi kwemeko yokuchaneka okuphezulu, Incinci evumelekileyo. ukulingana kufuneka kusetyenziswe ngakumbi injongo nganye.
Umthwalo ojikelezayo wangaphakathi we-ring ojikelezayo ohluka-hlukeneyo, ngokukodwa ufuna ukujikeleza okuchanekileyo kunye nokuqina okukhulu kwesixhobo sokuphotha somatshini kunye ne-M6 okanye i-N6 ye-cylindrical roller ephethe i-ring yangaphandle egxininiswe kwicala le-axial yezixhobo zokusebenza zendlu ezingenangxolo H6 iringi yangaphandle ukuya kwicala le-axial - 3), ukuchaneka ye-axis, ihood, kunye ne-axis yobuso oburhabaxa, ukuchaneka kwehood ayisiyomeko ilungileyo, ithwele ichaphazeleke ayinakho ukubonisa ukusebenza okufunekayo.Ngokomzekelo, ukufakwa kwenxalenye yegxalaba ukuba ukuchaneka akukuhle, amakhonkco angaphakathi nangaphandle aya kuthambekela.Ukongeza kumthwalo wokuthwala, udibene nomthwalo ogxininisiweyo ekugqibeleni, ubomi bokukhathala obuthweleyo buya kuncitshiswa, kwaye ngokugqithiseleyo, kuya kuba yimbangela yomonakalo we-cage kunye ne-sintering.Ukongeza, i-deformation yegobolondo ngenxa yomthwalo wangaphandle ayinkulu.Kuyimfuneko ukuxhasa ngokupheleleyo ukuqina kokuthwala.Ukuphakama kokuqina, ngcono ingxolo kunye nokusabalalisa umthwalo wokuthwala.
Kwiimeko jikelele zokusetyenziswa, ukuguqula ekupheleni machining okanye ukuchaneka edikayo umatshini processing ingaba.Nangona kunjalo, ngezihlandlo ezineemfuno ezingqongqo zokujikeleza okujikelezayo kunye nengxolo kunye neemeko zomthwalo zinzima kakhulu, ukugaya okokugqibela kuya kusetyenziswa.Xa ngaphezulu kwe-2 iibheringi zicwangciswe kwizindlu zonke, iindawo zokukhwelana kwezindlu kufuneka ziyilwe ukuba zenziwe ngoomatshini kunye nokugqobhozwa.Kwiimeko eziqhelekileyo zokusetyenziswa, i-shaft, ukuchaneka kwezindlu kunye nokugqiba kunokuba kuboniswe kwiThebhile 4 ngezantsi.Itheyibhile 4 i-axis kunye nokuchaneka kweNdlu kunye nokuQeda kweebheringi - Ukunyamezelana okujikelezayo kweklasi ye-AXIS - iklasi 0, iklasi 6, iklasi 5, iklasi 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 Ukunyamezela kwe-cylindricity 0, iiklasi ze-6 , iklasi 5, iklasi 4 IT3 ~ IT42 2IT2 ~ IT32 2 IT4 ~ IT52 2IT2 ~ IT32 2 Ukunyamezela ukunyamezela kwamagxa - iklasi 0, iklasi 6, iklasi 5, iklasi 4 IT3IT3 IT3~IT4IT3 Ukuthelekisa umphezulu wokufanisa Rmax encinci ithwele i-bearing enkulu 3.2 S6. 3s 6.3 S12.5s.
Okubizwa ngokuba yi-clean yangaphakathi ye-bearing ibhekisela kumlinganiselo wokuhamba xa i-ring yangaphakathi okanye yangaphandle ye-bearing igxininiswe ngaphambi kokuba i-bearing ifakwe kwi-shaft okanye ibhokisi yokuthwala, kwaye ke icala elingaguqukiyo lishukunyiswa kwi-radial okanye i-axial direction. .Ngokwesikhokelo sokunyakaza, inokwahlulwa ibe yi-radial clearance kunye ne-axial clearance.Xa ulinganisa ukucocwa kwangaphakathi kokuthwala, ukwenzela ukugcina ixabiso elilinganisiweyo lizinzile, umthwalo wokuvavanya usetyenziswa ngokubanzi kwindandatho.Ke ngoko, ixabiso lovavanyo likhulu kunexabiso langempela lokucocwa, oko kukuthi, inani elongezelelweyo le-elastic deformation ebangelwa kukusetyenziswa komthwalo wovavanyo.Ixabiso langempela lokuthwala imvume yangaphakathi iboniswe kwiThebhile 4.5.Ukunyuka kwe-clearance okubangelwa ukuguqulwa kwe-elastic ngasentla kulungiswa.I-deformation elastic of roller bearings ayinanto.Itheyibhile 4.5 ukuphelisa impembelelo yovavanyo lokulungiswa komthwalo weradial clearance test (deep groove ball bearing) iiyunithi: um nominal bearing imodeli idiameter d (mm) (N) clearance test load correction over to C2 C3 C4 C510 common (kuquka) 18 24.549 147 3 ~ 4 4 ~ 5 6 ~ 8 45 8 4 6 9 Epreli 9 kuTshazimpuzi 6 92.2 ukukhethwa kwebearing clearance ethwele ucoceko olubalekayo, ngenxa yokufaneleka kokuthwala kunye nokwahluka kobushushu kwizizathu zangaphakathi nangaphandle, ngokuqhelekileyo zincinci kunosulelo lokuqala.Ukucocwa kokusebenza kuhambelana ngokusondeleyo nobomi bokuthwala, ukunyuka kweqondo lokushisa, ukungcangcazela kunye nengxolo, ngoko kufuneka kumiselwe kwimeko efanelekileyo.
Ukuthetha ngokwethiyori, xa ukuthwala kusebenza, kunye nokukhutshwa okungahambi kakuhle okuncinci, ubomi bokuthwala buphezulu.Kodwa kunzima kakhulu ukugcina le mvume ilungileyo.Ngokutshintsha kweemeko zenkonzo, ukucocwa okungalunganga kokuthwala kuya kwanda ngokuhambelanayo, okuya kukhokelela ekunciphiseni okubalulekileyo kokuthwala ubomi okanye isizukulwana sobushushu.Ke ngoko, ukucocwa kokuqala kokuthwala ngokuqhelekileyo kusetelwe ukuba kukhulu kunoziro.IKHIWANE.2 Ukwahluka kokususwa kweradial 2.3 Iinqobo zokukhetha zokuThwala ucoceko Ngokwethiyori, ukuthwala ubomi bandiswa xa kukho ucoceko olubi kancinci phantsi kweemeko zokusebenza ezikhuselekileyo.Kodwa ekusebenzeni, kunzima kakhulu ukugcina le meko iphezulu.Nje ukuba iimeko ezithile zenkonzo zitshintshe, ukucocwa okungalunganga kuya kwanda, okukhokelela ekwehleni okukhulu kokuthwala ubomi okanye ukufudumeza.Ngoko ke, xa ukukhutshwa kokuqala ngokuqhelekileyo kukhethwe, imvume yokusebenza kufuneka ibe nkulu kancinane kunoziro.
Ukuthwala phantsi kweemeko eziqhelekileyo, ukulungelelaniswa kwemithwalo eqhelekileyo kuya kwamkelwa.Xa isantya kunye nobushushu buqhelekile, ukucocwa okuqhelekileyo okuhambelanayo kufuneka kukhethwe ukufumana imvume yokusebenza efanelekileyo.Itheyibhile 6 ucoceko oluqhelekileyo oluqhelekileyo umzekelo usebenzisa iimeko ezisebenzayo ukususwa phantsi komthwalo onzima, umthwalo wempembelelo, uphazamiseko ngomthamo omkhulu we-asi yesithuthi sikaloliwe i-C3 yesikrini sokungcangcazela iC3 kunye ne-C4 ayinakukwazi ukumelana nomthwalo wecala, ngaphakathi nangaphandle kwesangqa setrektara ye-C4 yamkela i-static ne Imoto kaloliwe yokutsala imoto, i-reducer okanye i-C4 ethwele umsesane wangaphakathi womatshini wokushisa, i-dryer C3 kunye ne-C4 mill roller kun C3 ukunciphisa ukungcangcazela okujikelezayo kunye nengxolo ye-micro-motor C2 yohlengahlengiso lococeko kunye nokulawula ukungcangcazela kwe-shaft spindle ye-NTN (umqolo ophindwe kabini we-cylindrical roller ukuthwala) C9NA, C0NA.
Ixesha lokuposa: Jul-30-2020