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 kunqunywe ngokuhambelana nesikhokelo somthwalo wokuthwala kunye nesimo sokujikeleza kweendandatho zangaphakathi nangaphandle, ngokuqhelekileyo zibhekisela kwiThebhile 1. Itheyibhile 1 kunye nomthwalo kunye nomthwalo ojikelezayo weemeko ezijikelezayo imizekelo kunye nendandatho yangaphakathi: ukujika okungahambi kakuhle: ulwalathiso lomthwalo we-static, umthwalo osisigxina ojikelezayo wangaphakathi we-US. lungelelana (ukungenelela kokungenelela) umsesane wangaphandle: umsesane okhoyo obalekayo (ucoceko) umsesane wangaphakathi: isangqa esimiyo esingalunganga: isalathiso esijikelezayo somthwalo, kunye nesangqa sangaphandle kunye nesangqa esinegeji yangaphakathi: ukujika okungalunganga: ulwalathiso lomthwalo ongatshintshiyo: umsesane osisigxina omileyo umsesane wangaphakathi, umsesane ojikelezayo okhoyo osebenzayo (ucoceko) umsesane wangaphandle wokufaneleka: i-USES yokuphazamiseka kokuphazamiseka okujikelezayo 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 i-centripetal bear kunye neshaft enemiqathango esebenzayo (reference) ububanzi be-asi (mm) i-spherical roller ephethe i-remark iibheringi ze-cylindrical roller bearings taper roller bearings automatic self-aligning roller ephethe i-cylindrical holeft 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 komsesane wangaphakathi kulula ukuhambisa ivili le-shaft tension h6 isakhelo sangaphakathi se-ring spinning, intambo ejikelezayo okanye isalathiso somthwalo oguquguqukayo phantsi komthwalo okhanyayo 0.06 Cr (1) ukuvuthela umatshini wokulayisha, umatshini wokupompa ukuchaneka, umatshini wokupompa ukuguquguquka, ukuchaneka komatshini wokupompa, umatshini wokupompa ukuguquguquka, umatshini wokupompa ukuguquguquka, ukuchaneka komatshini, ukuchaneka 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) Umthamo jikelele wenxalenye yeinjini yomoya ephakathi nendawo enkulu, impompo, ijikelezo le-injini, isixhobo sokuhambisa igiya, oomatshini bokwenza amaplanga abangaphantsi kwe-18 -- i-N6 iibheringi ezirola ngomqolo omnye zomgca omnye kunye neebheringi zebhola zeradial thrust ezinomqolo omnye zingasetyenziswa k6, M6 endaweni ye-K5, M5. P6 140-200 40-65 R6 200-280 100-140 N6 -- 200-400 140-280 P6 -- 280-500 R6 -- Ngaphezu kwe-500 R7 umthwalo onzima (ngaphezu kwe-0.13Cr (1)) umnini wemoto yombane wokwakha umbane kunye nomninimzi wombane wokwakha umbane 50-140 50-100 N6 Isidingo sikhulu kunokukhutshwa kokuthwala - p6, 140-200, 100-140 - ngaphezu kwama-200, 140-200 r6 -- 200-500 r7 kuphela ukuthwala umthwalo we-axial weendawo zesakhiwo esithwala i-36 yetafile ephethe i-36 itafile ye-6 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 (iibhodi zebhola) shaker N7 umthwalo okhanyayo okanye ukutshintsha umthwalo ohambisa ibhanti ivili le-pulley wheel, i-pulley M7 ayinguye umphathi womthwalo omkhulu onempembelelo yomthwalo wetroli okanye umthwalo okhanyayo wempompo ye-crankshaft spindle enkulu ye-motor K7 ikhonkco yangaphandle ngokomgaqo-siseko awufuni ukuya kwicala le-axial yeringi yangaphandle ayifuni kuhlobo lwe-axial igobolondo eliqhelekileyo okanye uhlobo lwe-axial igobolondo elilula Umthwalo JS7 (J7) umsesane wangaphandle uya kukwazi ukufuduselwa kwi-axial idinga umsesane wangaphandle ukuya kwicala le-axial lomthwalo ojikelezayo wangaphakathi wendandatho yazo zonke iintlobo zomthwalo ophethe inxalenye yebhokisi yokuthwala ngokubanzi yesithuthi sikaloliwe i-H7 iringi yangaphandle ukuya kwicala le-axial ngokulula - umthwalo oqhelekileyo okanye umthwalo okhanyayo ulungelelanisa ukuhambisa kwi-shaft yegobolondo kunye nokuthwala umthwalo onzima we-H8 ubushushu obuphezulu besangqa kwisangqa esipheleleyo se-G7 ukwenza isangqa esomileyo, ubushushu obuphezulu be-H8 kwisangqa esipheleleyo se-G7 ukujikeleziswa kwe-spindle ngasemva kwebhola ethwele i-high-speed centrifugal compressor side esisigxina ephethe i-JS6 (J6) ikhonkco yangaphandle ukuya kwicala le-axial - engalathiswanga umthwalo wesalathiso ngasemva kwebhola ethwele ukugaya i-spindle high-speed centrifugal compressor K6 icala elisisigxina eliphethe i-ring yangaphandle kunye nendandatho yangaphandle egxininisekile kumgaqo omkhulu we-axial, ehambelana nomgaqo omkhulu we-axial. iimfuno ezikhethekileyo phantsi kwemeko yokuchaneka okuphezulu, Ukulingana okuncinci okuvumelekileyo kufuneka kusetyenziswe ngakumbi kwinjongo nganye.
Umthwalo ojikelezayo wangaphakathi we-ring ojikelezayo ohlukeneyo, ngokukodwa kufuneka ujikelezo oluchanekileyo kunye nokuqina okukhulu kwesixhobo sokuphotha somatshini kunye ne-M6 okanye i-N6 ye-cylindrical roller ephethe iringi yangaphandle egxininiswe kwi-axial ye-axial yezixhobo zendlu ezingasebenziyo H6 umsesane wangaphandle ukuya kwicala le-axial - 3), ukuchaneka kwe-axis, i-axis, i-hood, i-hood echanekileyo, i-hood echanekileyo, i-hood echanekileyo 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 kweZindlu kunye nokuQeda kweebheringi - Iklasi ye-AXIS i-enclosure roundedness tolerances - iklasi 0, iklasi 6, iklasi 5, iklasi 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 Cylindricity 0, iklasi ye-3 IT, iklasi ye-IT 4, iklasi ye-IT 4, iklasi ye-IT 4, iklasi ye-IT 4, iklasi ye-IT 4 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.
Into ebizwa ngokuba yi-clean clearance yangaphakathi ye-bearing ibhekisela kwisixa sokunyakaza 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 yokulungiswa komthwalo weradial clearance test (deep groove ball bearing) iiyunithi: um imodeli yokuzala imodeli ubukhulu bedayamitha d (mm) (N) ulungiso lomthwalo wovavanyo lokucoceka ukuya kuC2 C3 C4 C510 eqhelekileyo (kubandakanywa) 18 24.549 147 3 ~ 4 6 4 8 Apreli 4 ~ 4 8 Apreli 4 ~ 4 8 4 8 8 UTshazimpuzi 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 imvume eqhelekileyo kakhulu umzekelo usebenzisa iimeko ezisebenzayo sihlandlo imvume phantsi komthwalo onzima, umthwalo impembelelo, ukuphazamiseka isixa esikhulu senqwelo kaloliwe iasi C3 ukungcangcazela kwesikrini C3 kunye C4 akanako ukuhlawula umthwalo wesalathiso, ngaphakathi nangaphandle isangqa C4 itrekta ukwamkela static kunye kaloliwe isithuthi traction motor, reducer okanye C4 ethwele yangaphakathi ring ubushushu umatshini Crotational umatshini Crotational kunye roller 3 kunye nokunciphisa i-Crotational vibration kunye nokunciphisa 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