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 mamiriro ekutenderera kwezvindori zvemukati nekunze, zvinowanzoreva Tafura 1. Tafura 1 uye mutoro uye mutoro unotenderera mamiriro ezvinhu anotenderera mifananidzo nemhete yemukati: kutendeuka kusina kunaka: static mutoro kutungamira, kutenderera kwemukati kutenderera kweU. kukodzera (kupindira kwakakodzera) mhete yekunze: inowanikwa inomhanya yakaenzana (kucheneswa) mhete yemukati: static negative denderedzwa: kutenderera kwekutungamira kwemutoro, uye mhete yekunze uye inotenderera mhete yemukati: kutendeuka kusina kunaka: static load direction: yakagadziriswa yemukati mhete static mutoro wemukati mhete, yekunze mhete inotenderera inowanika inomhanya (kucheneswa) yekunze kupindirana kwemukati fitstatic denderedzwa (USES kupindira kupindirana kwemukati) 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 yeaxle (mm) spherical roller inotakura remark bhora mabhengi cylindrical roller mabearings taper roller mabearings otomatiki anogadzika roller anotakura cylindrical ring ring inobata shanje. iri nyore kufambisa static axle mavhiri ese saizi g6 precision zvinodiwa, Iine g5, h5, kutakura uye kufambisa mobile inodiwa h6 inowanikwawo isina yemukati mhete iri nyore kufambisa shaft tension vhiri h6 yemukati mhete inotenderera furemu, tambo kutenderera kana kutungamira kweanochinjika mutoro pasi pechiedza chakaremerwa 0.06 Cr (1) kutakura mutoro unosiyana, rori yemuchina, appli muchina unosiyana, pombi yemuchina inosiyana-siyana, appli muchina. 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-mutsara 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 (pamusoro 0.13Cr (1)) motokari yemagetsi motokari yemagetsi njanji uye muridzi wemotokari yemoto 50-140 50-100 N6 Chinodiwa chakakura kupfuura kubvumidzwa kwekutakura - p6, 140-200, 100-140 - kupfuura 200, 140-200 r6 -- 200-500 r7 chete kutakura axial mutoro wezvikamu zvechimiro chinotakura Jripetal nzvimbo 6 tafura inotakura 6 tafura 6 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 mabheji) shaker N7 mwenje mutoro kana kushandura mutoro wekutakura bhandi tension pulley vhiri, pulley M7 kwete iyo inotungamira mitoro yakakura inobata trolley mutoro kana kuremerwa kwepombi crankshaft spindle hombe mota K7 yekunze mhete mumusimboti kwete kune axial kutungamira kwekunze mhete haidi kubatanidzwa kune yakajairika mhando hoko kana ganda remhando yegomba. mutoro JS7 (J7) mhete yekunze ichakwanisa kutamirwa kune axial inoda mhete yekunze kune axial kutungamira kwemukati mhete inotenderera mutoro wemarudzi ese emhando yekutakura inotakura chikamu chejenera rinotakura bhokisi renjanji H7 mhete yekunze kuenda kune axial kutungamira zviri nyore - yakajairika mutoro kana kureruka mutoro kuronga kugezera mugomba shaft uye kutakura mutoro H8 yakakwira tembiricha yekugadzira denderedzwa reG7 rakazara denderedzwa rekugadzira, H8 yakakwira tembiricha yekugadzira denderedzwa rakazara spindle rotation kuseri kwebhora rine high-speed centrifugal compressor fixed side inotakura JS6 (J6) yekunze mhete kune axial direction - isina kutungamirirwa mutoro wekutungamirira kumashure kwebhora rinotakura kukuya spindle yakakwirira-speed centrifugal compressor K6 yakagadziriswa mativi anotakura mhete yekunze, yakagadziriswa mumhete yekunze, inogadziriswa muhuwandu hwehuwandu hwehuwandu. zvakakosha zvinodikanwa pasi pemamiriro ehutsanana hwepamusoro, Zvidiki zvinotenderwa zvinokwana zvinofanirwa kushandiswa zvakare kune chimwe nechimwe chinangwa.
Inner mhete inotenderera mutoro wakasiyana-siyana, kunyanya inoda kutenderera uye kusimba kukuru kwemuchina wekushandisa spindle ine M6 kana N6 cylindrical roller inotakura mhete yekunze yakagadziriswa muaxial nzira yezvisina ruzha zvekushandisa zvemumba H6 mhete yekunze kune axial kutungamira - 3), iko kurongeka kweaxis, axis, hutsinye hwuno hunhu, hutsinye hwepamusoro, hupamhi hwepamusoro, uye kurongeka. 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 Housing Kurongeka uye Kupera Kwemabheya - Kirasi AXIS yakavharirwa roundedness tolerances - kirasi 0, kirasi 6, kirasi 5, Kirasi 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 Cylindricity kushivirira, kirasi 4 kirasi IT 4 kirasi 4 kirasi IT 2 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 inonzi kucheneswa kwemukati kwekutakura kunoreva kuwanda kwekufamba kana mhete yemukati kana yekunze yekutakura inogadziriswa isati yaiswa padanda kana bhokisi rinotakura, uye ipapo rutivi rusina kumira runofambiswa 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 radial clearance bvunzo mutoro kururamiswa (yakadzika groove bhora kutakura) mayuniti: um nominal kutakura muenzaniso dhayamita d (mm) (N) clearance bvunzo mutoro kururamiswa pamusoro C2 C3 C4 C510 zvakajairika (kusanganisira) 18 24.549 147 3 ~ 4 6 4 8 April 4 8 9 5 April 5 4 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 ezvinhu 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, kukanganiswa kwemutoro, kuvhiringidzwa nehuwandu hukuru hwechitima axle C3 vibrating screen C3 uye C4 haikwanise kubhadhara inotungamira, mukati nekunze kwedenderedzwa reC4 tarakita tora static ine njanji yemotokari traction mota, reducer kana C4 inotakura yemukati mhete yekupisa pepa muchina, 4 miller kupukuta Crotational 3 uye kudzikisa Crotational vibration. 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