chiziviso: Ndokumbira utibate isu kuti tiwedzere mutengo webearings.

Kubata hunhu uye kutendeseka

Zvinonyanya kukosha kuenzanisa kutakura kwemukati dhayamita neshaft uye dhayamita yekunze neimba kana kutakura kuchiiswa. Kana iyo fit yanyanya kusununguka, iyo mating surface inoburitsa hama inotsvedza, inonzi creep. Kana nyoka ikangoitika, inopedza nzvimbo yekubatana, kukuvadza shaft kana imba, uye kupfeka hupfu hunopinda mukati mekutakura, zvichikonzera kupisa, kuzunguzika uye kukuvara. Kupindira kwakanyanya kuchaita kuti pave nediki dhayamita yekunze kwemhete yekunze kana yakakura yemukati dhayamita yemukati wemukati, izvo zvinoderedza kubvumidzwa kwemukati kwekutakura. Mukuwedzera, kurongeka kwejometri ye shaft uye shell processing kuchakanganisawo kurongeka kwepakutanga kwechindori chekutakura, nokudaro kuchikanganisa kushanda kwekubereka.

1.1 Kusarudzwa kweFit 1.1.1 Chimiro chemutoro uye kusarudzwa kwehutano kunotarirwa maererano nekutakura kutakura kutungamira uye kutenderera kwezvindori zvemukati nekunze, zvinowanzoreva Tafura 1. Tafura 1 uye mutoro uye mutoro unotenderera mamiriro ezvinhu emifananidzo. ine mhete yemukati: kutendeuka kwakashata: static mutoro kutungamira: yakagadziriswa yemukati mhete inotenderera mutoro wemukati mhete, yekunze mhete static mutoro INOSHANDISA kupindira kukodzera (kupindira kwakakodzera) mhete yekunze: inowanikwa inomhanya yakakodzera (kucheneswa) mhete yemukati: static isina kunaka denderedzwa: kutenderera kwakanangana nemutoro, uye mhete yekunze uye kuruka mhete yemukati: kutendeuka kwakashata: static mutoro kutungamira: yakatarwa yemukati mhete static mutoro wemukati. rin'i, yekunze mhete inotenderera inowanika inomhanya yakakodzera (kucheneswa) mhete yekunze: SHANDISA kupindirana kwakakodzera (kupindira kunokodzera) mhete yemukati: static negative denderedzwa: rotary load. kutungamira: nemhete yemukati inotenderera panguva imwe chete. 2) Yakakurudzirwa yakakodzera Kusarudza yakakodzera, inotakura mutoro hunhu, saizi, tembiricha mamiriro, kutakura kuiswa, kubviswa kweakasiyana mamiriro. Kana iyo fani inokwidziridzwa kune yakatetepa-yakakomberedzwa goko uye hollow shaft, iyo yekuvhiringidza huwandu hunofanirwa kunge hwakakura kupfuura hweakajairika. Iyo goko rakapatsanurwa rinogona kukanganisa nyore mhete yekunze yeberengi, saka mhete yekunze inofanirwa kushandiswa nekungwarira pasi pemamiriro ekubatana kwakasimba. Panyaya yekudengenyeka kukuru, mhete yemukati nemhete yekunze inofanira kutora static coordination.

Batira pamwe nekurudziro yakawanda, tarisa tafura 2, tafura 3 tafura 2 centripetal inotakura uye shaft ine mamiriro anoshanda kesi (referensi) dhayamita yeakisi (mm) spherical roller ine remark bhora mabheji cylindrical roller bearings taper roller bearings automatic self- kubatanidza roller inotakura cylindrical gomba inotakura mhete yekunze uye shaft inotenderera inotakura inoda mhete yemukati pane shaft iri nyore kufambisa static axle mavhiri ese saizi g6 precision zvinodiwa, Iine g5, h5, inotakura uye kufambisa mobile inodiwa h6 inowanikwawo isina yemukati ring iri nyore kufambisa shaft tension vhiri h6 yemukati ring inotenderera furemu, tambo kutenderera kana kutungamira kweinosiyana. mutoro pasi pemutoro wakareruka 0.06 Cr (1) mutoro wakasiyana-siyana wemidziyo yemidziyo, pombi, blower, rori, muchina chaiwo, muchina chishandiso pasi 18 -- Js5 kurongeka kana kuchidiwa nechiyero chep5, mukati dhayamita uchishandisa chaiyo bhora rinobereka pasi pe18 mm h5. Yakajairwa mutoro (0.06 ~ 0.13) Cr (1) General inotakura chikamu chepakati uye hombe mota turbine, pombi, injini spindle, giya rekufambisa mudziyo, matanda ekugadzira michina iri pasi pe18 -- N6 imwe-mutsara tapered roller mabearings uye single-row radial thrust bhora. mabhengi anogona kushandiswa k6, M6 pachinzvimbo cheK5, M5. P6 140-200 40-65 R6 200-280 100-140 N6 -- 200-400 140-280 P6 -- 280-500 R6 -- Kupfuura 500 R7 mutoro unorema (kupfuura 0.13Cr (1)) njanji yemagetsi uye maindasitiri varidzi vemotokari yemagetsi mota yekuvaka muchina crusher -- 50-140 50-100 N6 Chinodiwa chakakura kupfuura kubvumidzwa kwekutakura - p6, 140-200, 100-140 - kupfuura 200, 140-200 r6 -- 200-500 r7 inongotakura axial mutoro wezvikamu zvechimiro chinotakura. shandisa nzvimbo zviyero zvese Js6 (j6) - tafura 3 centripetal inotakura ne gomba gomba mamiriro anoshanda kesi (referensi) kufamba kweyekunze mhete yegomba kushivirira giredhi giredhi yakazara ganda gomba madziro ane yekunze mhete inotenderera inorema basa remota vhiri roller bearings (crane) famba mugwagwa vhiri P7 yekunze mhete kuenda kune axial kutungamira.

Yakajairika mutoro, inorema inorema mota vhiri (bhora mabearings) shaker N7 light load kana kushandura mutoro conveyor bhandi tension pulley vhiri, pulley M7 kwete iyo inotungamira mutoro hombe inokanganisa trolley mutoro kana kureruka kwepombi crankshaft spindle hombe mota K7 yekunze mhete mukati musimboti kwete kune axial kutungamira kwemhete yekunze haidi kune axial kutungamira kwakakosha mhando maburi maburi kana kupatsanurwa mhando gomba gomba rakajairwa mutoro kana chiedza mutoro JS7 (J7) mhete yekunze ichakwanisa kutamirwa kune axial inoda mhete yekunze kune axial kutungamira kwemukati mhete inotenderera mutoro wemarudzi ese emutoro unotakura chikamu chejenera rinotakura bhokisi renjanji H7 mhete yekunze kune axial kutungamira. zviri nyore - zvakajairwa mutoro kana mutoro wakareruka kuronga kuunza mugomba shaft uye kubereka H8 denderedzwa rose mumutoro wakajairwa, tembiricha yepamusoro yepepa kugadzira dryer G7 light load, kunyanya inoda kugaya chaiko. spindle rotation kuseri kwebhora rine high-speed centrifugal compressor fixed side inotakura JS6 (J6) outer ring to the axial direction - isina kutungamirirwa kurongeka kuseri kwebhora rinotakura kugaya spindle high-speed centrifugal compressor K6 fixed side. inotakura mhete yekunze yakagadziriswa muaxial kutungamira kwemutoro mumusimboti, inoshanda kune huwandu hwekuvhiringidza nehukuru kupfuura K, zvakakosha zvinodikanwa pasi pemamiriro ehutsanana hwepamusoro, Zvidiki zvinotenderwa zvinokwana zvinofanirwa kushandiswa zvakare kune chimwe nechimwe chinangwa.

Mhete yemukati inotenderera mutoro wakasiyana-siyana, kunyanya inoda kutenderera uye kusimba kwakakura kwemuchina wekushandisa spindle ine M6 kana N6 cylindrical roller inotakura mhete yekunze yakamisikidzwa muaxial kutungamira kwekushandisa zvisina ruzha midziyo yemumba H6 mhete yekunze kune axial direction - 3), iyo chaiyo. yeaxis, hood, uye pamusoro roughness axis, hood precision haisi yakanaka mamiriro, inotakura yakakanganiswa nayo haigone kuratidza kuita kunodiwa. Semuenzaniso, kuiswa kwechikamu chepfudzi kana kururamisa kusina kunaka, zvindori zvemukati nekunze zvicharerekera. Mukuwedzera kune mutoro wekutakura, wakasanganiswa nemutoro wakaiswa pamagumo, hupenyu hwekuneta huchaderedzwa, uye zvakanyanya, huchava chikonzero chekukuvara kwekeji uye sintering. Mukuwedzera, iyo shell deformation nekuda kwemutoro wekunze haisi yakakura. Izvo zvinodikanwa kutsigira zvizere kuomarara kwekubereka. Iyo yakakwirira kuoma, zviri nani ruzha uye kugoverwa kwekutakura kwekutakura.

Mumamiriro ezvinhu akajairwa ekushandiswa, kutendeuka kumagumo machining kana kunyatsoita boring muchina kugadzirisa kunogona kuve. Nekudaro, kune zviitiko zvine hunyanzvi zvinodikanwa zvekutenderera runout uye ruzha uye mamiriro ekutakura akanyanya kuomarara, kugaya kwekupedzisira kuchashandiswa. Kana anopfuura 2 mabearings akarongerwa mudzimba dzese, nzvimbo dzekubatanidza dzimba dzinofanirwa kugadzirwa kuti dziwane kugadzirwa uye kuputika. Mumamiriro ezvinhu akajairwa ekushandiswa, shaft, kurongeka kwemba uye kupedzisa kunogona kuve sekuratidzwa muTafura 4 pazasi. Tafura 4 Axis uye Kurongeka Kwedzimba uye Kupera Kwemabhengi - Kirasi AXIS yakavharirwa kutenderedza kushivirira - kirasi 0, kirasi 6, kirasi 5, Kirasi 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 Cylindricity kushivirira, kirasi 6 kirasi , kirasi 5, kirasi 4 IT3 ~ IT42 2IT2 ~ IT32 2 IT4 ~ IT52 2IT2 ~ IT32 2 Shoulder runout tolerances - kirasi 0, kirasi 6, kirasi 5, kirasi 4 IT3IT3 IT3~IT4IT3 Matching pamusoro pekupedzisira Rmax diki inobereka guru 3.2 S6.3s 6.3 S12.5s.

Iyo inodaidzwa kunzi clearance yemukati yebearing inoreva kuwanda kwekufamba kana mhete yemukati kana yekunze yebearing yakagadzikwa isati yaiswa pashaft kana bhokisi rekubereka, uyezve divi risina kumira rinofambiswa mu radial kana axial direction. . Zvinoenderana negwara rekufamba, rinogona kukamurwa kuita radial clearance uye axial clearance. Pakuyera kucheneswa kwemukati kwebearing, kuitira kuchengetedza kukosha kwakayerwa kugadzikana, muyedzo wekuyedza unowanzo kuisirwa mhete. Naizvozvo, kukosha kwekuyedzwa kwakakura pane iyo chaiyo clearance value, ndiko kuti, imwe yekuwedzera yakawanda yeelastic deformation inokonzerwa nekushandisa bvunzo mutoro. Iko kukosha chaiko kwekutakura kubvumidzwa kwemukati kunoratidzwa muTafura 4.5. Kuwedzera kwekuchenesa kunokonzerwa nepamusoro pe elastic deformation inogadziriswa. Iyo elastic deformation ye roller bearings haina basa. Tafura 4.5 kubvisa pesvedzero yeradial clearance bvunzo kururamisa mutoro (yakadzika groove bhora kutakura) mayuniti: um nominal kutakura modhi dhayamita d (mm) (N) clearance test kururamisa kururamisa kune C2 C3 C4 C510 zvakajairika (kusanganisira) 18 24.549 147 3 ~ 4 4 ~ 5 6 ~ 8 45 8 4 6 9 Kubvumbi 9 Kubvumbi 6 92.2 kusarudzwa kwebearing clearance inotakura mvumo, nekuda kwekutakura kukwana uye kusiyana kwetembiricha pane zvikonzero zvemukati nekunze, kazhinji idiki pane yekutanga clearance. Iyo yekushandisa clearance yakabatana zvakanyanya nehupenyu hwekubereka, kukwira kwekushisa, vibration uye ruzha, saka inofanirwa kuiswa kune yakanyanya kunaka mamiriro.

Tichingotaura, kana kutakura kuri kushanda, paine zvishoma zvisina kunaka kumhanya kubvumidzwa, hupenyu hwekubereka hwakanyanya. Asi zvakanyanya kuoma kuchengetedza iyi yakakwana clearance. Nekushanduka kwemamiriro ebasa, kubviswa kwakashata kwekutakura kuchawedzera zvakafanana, izvo zvinotungamirira kuderera kukuru kwekubereka hupenyu kana chizvarwa chekupisa. Naizvozvo, kubvisirwa kwekutanga kwebearing kazhinji kunoiswa kuve kwakakura zvishoma pane zero. FIG. 2 kusiyanisa kwekubereka radial clearance 2.3 Kusarudzwa kwemaitiro eKutakura clearance Zvinofungidzirwa, kutakura hupenyu hunokwidziridzwa kana paine kushoma kushoma kwekushanda clearance pasi pemamiriro ekushanda akachengeteka. Asi mukuita, zvakanyanya kuoma kuchengetedza iyi optimum mamiriro. Kana mamwe mamiriro ebasa achinja, iyo yakaipa clearance inowedzera, zvichikonzera kudzikira kwakanyanya mukubereka hupenyu kana kupisa. Nokudaro, apo kubvumirwa kwekutanga kunowanzosarudzwa, kushandiswa kwekushanda kunodiwa kuti kuve kwakakura zvishoma kudarika zero.

Kune mabhengi pasi pemamiriro akajairika, kurongeka kwemitoro yakafanana ichagamuchirwa. Kana iyo yekumhanyisa uye tembiricha zvakajairika, iyo inoenderana yakajairika clearance inofanirwa kusarudzwa kuti iwane yakakodzera yekushanda clearance. Tafura 6 yakajairwa kubvumidzwa semuenzaniso uchishandisa mamiriro anoshanda chiitiko chemvumo pasi pemutoro unorema, kutakura mutoro, kukanganiswa nehuwandu hukuru hwechitima ekisero C3 inozunguza screen C3 neC4 haikwanise kubhadhara inotungamira, mukati nekunze kwedenderedzwa reC4 tirakita tora static ne. njanji yemotokari inodhonza mota, inoderedza kana C4 inotakura yemukati mhete yekupisa bepa muchina, dryer C3 uye C4 mill roller kun C3 kuderedza kutenderera kutenderera uye ruzha rwe micro-motor C2 clearance kugadziridzwa uye kudzora kudengenyeka kweshaft NTN spindle (kaviri mutsara cylindrical roller inotakura) C9NA, C0NA.

 


Nguva yekutumira: Jul-30-2020