Kubaluleke kakhulu ukufanisa ububanzi bangaphakathi bebheringi nomgodi kunye nobubanzi bangaphandle nendlu xa ibheringi ifakiwe. Ukuba ukulingana kukhululekile kakhulu, umphezulu wokudibana uya kuvelisa ukutyibilika okuqhelekileyo, okubizwa ngokuba yi-creep. Nje ukuba kwenzeke i-creep, iya kuyigugisa indawo yokudibana, yonakalise umngxuma okanye indlu, kwaye i-worace powder iya kungena kwi-bearing, ibangele ubushushu, ukungcangcazela kunye nomonakalo. Ukuphazamiseka okugqithisileyo kuya kukhokelela kububanzi obuncinci bangaphandle beringi yangaphandle okanye ububanzi obukhulu bangaphakathi beringi yangaphakathi, okuya kunciphisa ukuvuleka kwangaphakathi kwe-bearing. Ukongeza, ukuchaneka kwejometri yokucubungula i-shaft kunye ne-shell kuya kuchaphazela ukuchaneka kokuqala kweringi yokubambisana, ngaloo ndlela kuchaphazele ukusebenza kwe-bearing.
1.1 Ukukhethwa kokulingana 1.1.1 Uhlobo lomthwalo kunye nokukhethwa kokulingana kugqitywa ngokwesikhokelo somthwalo webheriya kunye nemeko yokujikeleza kwezangqa zangaphakathi nezangaphandle, ngokubanzi kubhekiselwa kwiTheyibhile 1. Itheyibhile 1 kunye neemeko ezijikelezayo zebheriya kunye nomthwalo imifanekiso enendandatho yangaphakathi: ukujika okungalunganga: icala lomthwalo ozinzileyo: indandatho yangaphakathi ezinzileyo umthwalo ojikelezayo indandatho yangaphakathi, indandatho yangaphandle umthwalo ozinzileyo SEBENZISA ukulingana kokuphazamiseka (ukulingana kokuphazamiseka) indandatho yangaphandle: ukulingana okukhoyo kokubaleka (ukususwa) indandatho yangaphakathi: isangqa esimileyo esingalunganga: icala lokujikeleza lomthwalo, kunye nendandatho yangaphandle kunye nendandatho yangaphakathi ejikelezayo: ukujika okungalunganga: icala lomthwalo ozinzileyo: indandatho yangaphakathi ezinzileyo umthwalo osisigxina indandatho yangaphakathi, indandatho yangaphandle umthwalo ojikelezayo okhoyo osebenzayo ofanelekileyo (ukususwa) indandatho yangaphandle: SEBENZISA ukulingana kokuphazamiseka (ukulingana kokuphazamiseka) indandatho yangaphakathi: isangqa esimileyo esingalunganga: icala lomthwalo ojikelezayo: kunye nendandatho yangaphakathi ejikelezayo ngaxeshanye. 2) Ukulingana okucetyiswayo Ukukhetha ukulingana okufanelekileyo, iimpawu zomthwalo webheriya, ubungakanani, iimeko zobushushu, ukufakwa kweebheriya, ukususwa kweemeko ezahlukeneyo. Xa ibheriya ifakelwe kwigobolondo elinodonga oluncinci kunye neshafti engenanto, ubungakanani bokuphazamiseka kufuneka bube bukhulu kunezo ziqhelekileyo. Iqokobhe elahlulweyo linokonakalisa ngokulula indandatho engaphandle yebheri, ngoko ke indandatho engaphandle kufuneka isetyenziswe ngononophelo phantsi kwemeko yokulungelelana okungaguqukiyo. Kwimeko yokungcangcazela okukhulu, indandatho engaphakathi kunye nendandatho engaphandle kufuneka zisebenzise ulungelelwaniso olungaguqukiyo.
Sebenzisana nengcebiso eqhelekileyo, jonga kwitheyibhile 2, itheyibhile 3 itheyibhile 2 i-centripetal bearing kunye ne-shaft kunye neemeko ezifanelekileyo iimeko (ireferensi) ububanzi be-axle (mm) i-spherical roller bearing remark ball bearings ii-cylindrical roller bearings ii-taper roller bearing ngokuzenzekelayo i-roller bearing cylindrical hole bearing ring outer and shaft rotation load need inner ring on the shaft easily to move static axles all size g6 precision requirements, With g5, h5, bearing and easier mobile required h6 also available without inner ring is easily to move i-shaft tension wheel h6 inner ring spinning frame, rope round or direction of variable load under light load 0.06 Cr (1) umthwalo ohlukeneyo wezixhobo zomthwalo, ipompo, i-blower, ilori, umatshini ochanekileyo, isixhobo somatshini esingaphantsi kwe-18 -- Js5 accuracy xa kufuneka ngokwenqanaba le-p5, ububanzi bangaphakathi kusetyenziswa i-precision ball bearing under 18 mm h5. Umthwalo oqhelekileyo (0.06~0.13) Cr (1) Inxalenye yebhereji eqhelekileyo yeturbine yemoto ephakathi nenkulu, ipompo, ispindle yenjini, isixhobo sokudlulisa iigiya, oomatshini bokusebenza ngomthi abangaphantsi kwe-18 -- N6 iibheringi zerola ezithe tyaba kunye neebheringi zebhola zeradial thrust ezithe tyaba ezithe tyaba ezikumqolo omnye zingasetyenziswa i-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 -- Ngaphezulu kwe-500 R7 umthwalo onzima (ngaphezulu kwe-0.13Cr (1)) izithuthi zikaloliwe nezemizi-mveliso abanini bezithuthi zombane iimoto zombane umatshini wokwakha oomatshini -- 50-140 50-100 N6 Imfuneko inkulu kunendlela yokuvula ibheriya - p6, 140-200, 100-140 - ngaphezulu kwe-200, 140-200 r6 -- 200-500 r7 bathwala kuphela umthwalo we-axial weendawo zebheriya yesakhiwo sebenzisa indawo yonke imilinganiselo Js6 (j6) - itheyibhile 3 ibheriya esembindini eneemeko zomngxuma weqokobhe iimeko ezifanelekileyo (isalathiso) intshukumo yomlinganiselo wokunyamezelana komngxuma weringi yangaphandle inqaku lenqanaba ibheriya yeringi iyonke umngxuma weringi yodonga ibheriya yangaphandle ibheriya yesondo lemoto ivili elijikelezayo iibheringi zerola (ikhrane) ivili lendlela yokuhamba i-P7 isangqa sangaphandle ukuya kwicala elijikelezayo.
Umthwalo oqhelekileyo, ivili lemoto elinzima (iibheringi zebhola) ishaker N7 umthwalo okhanyayo okanye otshintshayo isondo le-conveyor belt tension pulley, i-pulley M7 ayisiyo i-host yomthwalo okhokelayo umthwalo omkhulu we-trolley okanye umthwalo omncinci wepompo ye-crankshaft spindle motor enkulu i-K7 ring yangaphandle ngokomgaqo ayifuni kwicala le-axial yeringi yangaphandle ayifuni kwicala le-axial uhlobo oludibeneyo lwemingxunya yegobolondo okanye uhlobo lokwahlulwa umngxuma wegobolondo umthwalo oqhelekileyo okanye umthwalo okhanyayo i-JS7 (J7) ring yangaphandle iya kukwazi ukufuduselwa kwi-axial ifuna i-ring yangaphandle ukuya kwicala le-axial yeringi yangaphakathi umthwalo ojikelezayo weentlobo ngeentlobo zomthwalo othwala inxalenye yebhokisi yebhereji eqhelekileyo yesithuthi sikaloliwe i-H7 ring yangaphandle ukuya kwicala le-axial ngokulula - umthwalo oqhelekileyo okanye umthwalo okhanyayo cwangcisa ukungenisa isangqa segobolondo kunye nebhereji i-H8 yonke kumthwalo oqhelekileyo, ubushushu obuphezulu bokwenza iphepha i-dryer i-G7 umthwalo okhanyayo, ngakumbi udinga ukugoba ngokuchanekileyo ukujikeleza kwe-spindle ngasemva kwebhola i-compressor ye-centrifugal yesantya esiphezulu i-fixed side bearing JS6 (J6) ring yangaphandle ukuya kwicala le-axial - ayiqondiswanga kwicala umthwalo ngasemva kwebhereji yebhola i-grinding spindle i-compressor ye-centrifugal yesantya esiphezulu i-K6 Isangqa sangaphandle esithwele icala esiqinileyo esimiselwe kwicala elijikelezayo lomthwalo ngokomgaqo, esisebenza kubungakanani bokuphazamiseka okukhulu kune-K, iimfuno ezikhethekileyo phantsi kwemeko yokuchaneka okuphezulu, Ukulingana okuncinci okuvumelekileyo kufuneka kusetyenziswe ngakumbi kwinjongo nganye.
Umthwalo ojikelezayo wendandatho yangaphakathi uyahluka, ingakumbi udinga ukujikeleza ngokuchanekileyo kunye nokuqina okukhulu kwe-spindle yesixhobo somatshini kunye ne-M6 okanye i-N6 cylindrical roller bearing outer ring efakwe kwicala le-axial ukuze kusebenze izixhobo zasekhaya ezingenamsindo i-H6 outer ring ukuya kwicala le-axial - 3), ukuchaneka kwe-axis, i-hood, kunye ne-surface roughness axis, ukuchaneka kwe-hood akuyonto ilungileyo, i-bearing echaphazeleka yiyo ayinakubonisa ukusebenza okufunekayo. Umzekelo, ukufakwa kwenxalenye yegxalaba ukuba ukuchaneka akulunganga, ii-rings zangaphakathi nezangaphandle ziya kuthambekela. Ukongeza kumthwalo we-bearing, kunye nomthwalo ogxininisiweyo ekupheleni, ubomi bokudinwa kwe-bearing buya kuncipha, kwaye okubaluleke ngakumbi, kuya kuba yimbangela yomonakalo wekheji kunye nokubola. Ukongeza, ukuguqulwa kwegobolondo ngenxa yomthwalo wangaphandle akubi mkhulu. Kubalulekile ukuxhasa ngokupheleleyo ukuqina kwe-bearing. Okukhona ukuqina kuphezulu, kokukhona ingxolo kunye nokusasazwa komthwalo we-bearing kubhetele.
Kwiimeko eziqhelekileyo zokusetyenziswa, ukujika isiphelo somatshini okanye ukucutshungulwa komatshini okubangela ukudinwa ngokuchanekileyo kunokuba njalo. Nangona kunjalo, kwiimeko ezineemfuno ezingqongqo zokujikeleza kunye nengxolo kunye neemeko zomthwalo zinzima kakhulu, kuya kusetyenziswa ukugaya kokugqibela. Xa kuhlelwe ngaphezulu kweebheringi ezimbini kwisakhiwo sonke, imiphezulu yokudibana kwesakhiwo kufuneka yenzelwe ukuba yenziwe ngomatshini kwaye igqobhoze. Kwiimeko eziqhelekileyo zokusetyenziswa, umngxuma, ukuchaneka kwesakhiwo kunye nokugqitywa kwaso kunokuba njengoko kubonisiwe kwiTheyibhile 4 ngezantsi. Itheyibhile 4 Ukuchaneka kwe-Axis kunye neZindlu kunye nokugqitywa kweebheringi - Udidi lwe-AXIS ukunyamezelana kokujikeleziswa kwe-enclosure - udidi 0, udidi 6, udidi 5, udidi 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 Ukunyamezelana kwe-cylindricity - udidi 0, udidi 6, udidi 5, udidi 4 IT3 ~ IT42 2IT2 ~ IT32 2 Ukunyamezelana kokubaleka kwamagxa - udidi 0, udidi 6, udidi 5, udidi 4 IT3IT3 IT3~IT4IT3 Ukugqitywa komphezulu ohambelanayo Rmax ibheringi encinci ibheringi enkulu 3.2 S6.3s 6.3 S12.5s.
Oko kubizwa ngokuba yi-internal clearance ye-bearing kubhekisa kubungakanani bokuhamba xa indandatho yangaphakathi okanye yangaphandle ye-bearing ilungisiwe ngaphambi kokuba i-bearing ifakwe kwi-shaft okanye kwi-bearing box, kwaye emva koko icala elingagungqiyo lishukunyiswa kwicala le-radial okanye le-axial. Ngokwendlela yokuhamba, inokwahlulwa ibe yi-radial clearance kunye ne-axial clearance. Xa kulinganiswa i-internal clearance ye-bearing, ukuze kugcinwe ixabiso elilinganisiweyo lizinzile, umthwalo wovavanyo ngokubanzi usetyenziswa kwi-ring. Ke ngoko, ixabiso lovavanyo likhulu kunexabiso lokwenyani le-clearance, oko kukuthi, inani elongezelelweyo le-elastic deformation ebangelwa kukusebenzisa umthwalo wovavanyo. Ixabiso lokwenyani le-bearing internal clearance liboniswe kwiTheyibhile 4.5. Ukwanda kwe-clearance ebangelwa yi-elastic deformation engentla kuyalungiswa. I-elastic deformation yee-roller bearings ayinamsebenzi. Itheyibhile 4.5 yokususa impembelelo yokulungiswa komthwalo wovavanyo lwe-radial clearance (i-deep groove ball bearing) iiyunithi: um nominal bearing model diameter d (mm) (N) ukulungiswa komthwalo wovavanyo lwe-clearance phezu kwe-C2 C3 C4 C510 eqhelekileyo (kubandakanya) 18 24.549 147 3 ~ 4 4 ~ 5 6 ~ 8 45 8 4 6 9 Epreli 9 Epreli 6 92.2 ukhetho lwe-bearing clearance bearing clearance yokubaleka, ngenxa yokulingana kwe-bearing kunye nomahluko wobushushu kwizizathu zangaphakathi nezangaphandle, ngokubanzi zincinci kune-clearance yokuqala. I-clearance yokusebenza inxulumene ngokusondeleyo nobomi be-bearing, ukunyuka kobushushu, ukungcangcazela kunye nengxolo, ngoko ke kufuneka imiselwe kwimeko efanelekileyo.
Ngokwethiyori, xa i-bearing isebenza, nge-clearance engasebenzi kakuhle, ubomi be-bearing buphezulu. Kodwa kunzima kakhulu ukugcina le clearance ifanelekileyo. Ngotshintsho lweemeko zenkonzo, i-clearance engeyiyo ye-bearing iya kwanda ngokufanayo, nto leyo eya kukhokelela ekunciphiseni okukhulu kobomi be-bearing okanye ekuveliseni ubushushu. Ke ngoko, i-clearance yokuqala ye-bearing ngokubanzi imiselwe ukuba ibe nkulu kancinci kune-zero. UMZOBO 2 Utshintsho lwe-bearing radial clearance 2.3 Iikhrayitheriya zokukhetha i-Bearing clearance Ngokwethiyori, ubomi be-bearing buyandiswa xa kukho i-clearance yokusebenza engeyiyo kancinci phantsi kweemeko zokusebenza ezikhuselekileyo. Kodwa ekusebenzeni, kunzima kakhulu ukugcina le meko ifanelekileyo. Nje ukuba iimeko ezithile zenkonzo zitshintshe, i-clearance engeyiyo iya kwanda, nto leyo ekhokelela ekwehleni okukhulu kobomi be-bearing okanye ukufudumeza. Ke ngoko, xa i-clearance yokuqala idla ngokukhethwa, i-clearance yokusebenza kufuneka ibe nkulu kancinci kune-zero.
Kwiibheringi phantsi kweemeko eziqhelekileyo, kuya kwamkelwa ulungelelwaniso lwemithwalo eqhelekileyo. Xa isantya kunye nobushushu ziqhelekile, kufuneka kukhethwe imvume eqhelekileyo efanelekileyo ukuze kufunyanwe imvume yokusebenza efanelekileyo. Itheyibhile 6 imvume eqhelekileyo kakhulu umzekelo, kusetyenziswa iimeko ezifanelekileyo imvume phantsi komthwalo onzima, umthwalo onzima, ukuphazamiseka kwe-axle enkulu yesithuthi sikaloliwe i-C3 vibrating screen C3 kunye ne-C4 azikwazi ukuhlawula umthwalo ongqalileyo, ngaphakathi nangaphandle kwesangqa setrektara ye-C4, thatha i-static ene-traction motor yesithuthi sikaloliwe, i-reducer okanye i-C4 bearing inner ring heat paper machine, i-dryer C3 kunye ne-C4 mill roller kun C3 ukunciphisa i-rotary vibration kunye nengxolo ye-micro-motor C2 clearance adjustment kunye nokulawula i-vibration ye-shaft NTN spindle (i-double row cylindrical roller bearing) C9NA, C0NA.
Ixesha lokuposa: Julayi-30-2020