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 wesalathiso: umsesane osisigxina ojikelezayo wangaphakathi umthwalo ojikelezayo wangaphakathi, umsesane wangaphandle omileyo umthwalo USEBENZISA ukuphazamiseka lingana (ungenelelo olulinganayo) umsesane wangaphandle: umsesane okhoyo wokubaleka (ucoceko) umsesane wangaphakathi: isangqa esime nkqo: icala elijikelezayo lomthwalo, neringi yangaphandle kunye ne-spin yangaphakathi ejikeleziswayo: ujiko olugwenxa: icala lomthwalo omileyo: umsesane omileyo ongaphakathi omile umthwalo ongaphakathi. umsesane, umsesane wangaphandle ojikelezayo umthwalo okhoyo osebenzayo osebenzayo (ucoceko) umsesane wangaphandle: SEBENZISA ungenelelo olulingana (ungenelelo olulinganayo) umsesane wangaphakathi: isangqa esimileyo esingalunganga: umthwalo ojikelezayo. direction: kunye neringi yangaphakathi ejikeleza 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 ziqhelekileyo, 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 ethwele umngxuma osilinda othwele umsesane wangaphandle kunye nomthwalo wokujikeleza weshaft ufuna iringi yangaphakathi kwishaft Kulula ukuhambisa amavili e-asi ye-axle yonke isayizi ye-g6 echanekileyo, kunye ne-g5, i-h5, ukuthwala kunye nokuququzelela i-mobile efunekayo i-h6 iyafumaneka ngaphandle komsesane wangaphakathi kulula ukuhambisa ivili loxinzelelo lwe-shaft h6 isakhelo sangaphakathi esijikelezayo, intambo engqukuva okanye indlela eguquguqukayo. umthwalo phantsi komthwalo okhanyayo 0.06 Cr (1) umthwalo ohlukeneyo womthwalo wezixhobo, impompo, ivuthela, ilori, oomatshini abachanekileyo, isixhobo somatshini phantsi I-18 -- Js5 ukuchaneka xa ifunwa ngumgangatho we-p5, i-diameter yangaphakathi usebenzisa ibhola echanekileyo ethwala phantsi 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 oomatshini bokwakha oomatshini bomatshini wokutyumza -- 50-140 50-100 N6 Isidingo sikhulu kunokukhutshwa kwe-axial - p6, 140-200, 100-140 - ngaphezu kwe-200, 140-200 r6 -- 200-500 r7 ithwala kuphela umthwalo we-axial weendawo zokuthwala isakhiwo. sebenzisa indawo yonke imilinganiselo Js6 (j6) - itheyibhile ye-3 ephakathi ephethe iqokobhe umngxuma iimeko ezisebenzayo iimeko (ireferensi) intshukumo yomngxuma wangaphandle unyamezelo uluhlu inqaku jikelele umngxuma iqokobhe eludongeni ephethe umsesane ongaphandle ojikelezayo umthwalo onzima imoto ivili iibheringi iibheringi (crane) ukuhamba ivili kwendlela P7 umsesane wangaphandle ukuya kwicala 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 ongekho kwicala leaxial leringi yangaphandle ayifuni kwicala leaxial uhlobo lwemingxuma yeqokobhe oludityanisiweyo okanye umngxuma wohlobo lokwahlulwa kweqokobhe oluqhelekileyo umthwalo oqhelekileyo okanye ukukhanya. Umthwalo JS7 (J7) umsesane wangaphandle uya kukwazi ukufuduselwa kwi-axial ifuna umsesane wangaphandle ukuya kwicala le-axial lomthwalo ojikelezayo wendandatho yangaphakathi yazo zonke iintlobo zomthwalo ophethe 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 umthwalo okhanyayo we-G7, ngakumbi ifuna ukucola okuchanekileyo. ukujikeleziswa kwe-spindle ngasemva kwebhola ethwele i-high-speed centrifugal compressor side esisigxina ene-JS6 (J6) iringi yangaphandle ukuya kwicala le-axial - ayilathiswanga umthwalo wecala ngasemva kwebhola ethwele ukugaya i-spindle high-speed centrifugal compressor K6 side esisigxina. ukuthwala iringi yangaphandle emiswe kwicala le-axial lomthwalo ngokomgaqo, osebenzayo kwisixa sokuphazamiseka okukhulu kuno-K, iimfuno ezikhethekileyo phantsi kwemeko yokuchaneka okuphezulu, Ukulingana okuncinci okuvumelekileyo kufuneka kusetyenziswe ngakumbi kwinjongo nganye.
Umthwalo ojikelezayo wangaphakathi we-ring ojikelezayo ohlukeneyo, ngokukodwa ufuna ukujikeleza okuchanekileyo kunye nokuqina okukhulu kwesixhobo sokuphotha somatshini kunye ne-M6 okanye i-N6 cylindrical roller ephethe iringi yangaphandle egxininiswe kwicala le-axial yezixhobo zokusebenza zasekhaya ezingenangxolo H6 iringi yangaphandle ukuya kwicala le-axial - 3), ukuchaneka ye-axis, ihood, kunye ne-axis yobuso oburhabaxa, ukuchaneka kwehood ayisiyomeko entle, ethwele echatshazelwayo ayinakukwazi ukubonisa umsebenzi ofunekayo. 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 Ukunyamezelana kwegxalaba lokubaleka - iklasi 0, iklasi 6, iklasi 5, iklasi 4 IT3IT3 IT3~IT4IT3 Ukutshatisa umphezulu ogqityiweyo Rmax encinci ithwele ibheringi 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 ukukhutshwa kosulelo, ngenxa yokufaneleka kwebheringi kunye nomahluko wobushushu 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 ukukhutshwa Ngokwethiyori, ukuthwala ubomi bandiswa xa kukho ucoceko olubi kancinci phantsi kweemeko zokusebenza ezikhuselekileyo. Kodwa ekusebenzeni, kunzima kakhulu ukugcina le meko ilungileyo. Nje ukuba iimeko ezithile zenkonzo zitshintshe, ukucocwa okungalunganga kuya kwanda, okukhokelela ekwehleni okukhulu kokuthwala ubomi okanye ukufudumeza. Ngoko ke, xa ukukhutshwa kokuqala kudla ngokukhethwa, ukucocwa kokusebenza kufuneka kube kukhulu 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 ukusebenzisa iimeko ezisebenzayo ukukhutshwa phantsi komthwalo onzima, umthwalo wempembelelo, uphazamiseko lomthamo 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, isinciphisi okanye iC4 ethwele umsesane wangaphakathi womatshini wephepha lobushushu, isomisi iC3 kunye neC4 mill roller kun C3 ukunciphisa ukungcangcazela okujikelezayo kunye ingxolo ye-micro-motor C2 ukulungiswa kwe-clearance kunye nokulawula ukunyakaza kwe-shaft NTN spindle (i-double row cylindrical roller bear) C9NA, C0NA.
Ixesha lokuposa: Jul-30-2020