1 Kana kutakura kuchiiswa, dhayamita yemukati yekutakura uye shaft, dhayamita yekunze uye imba inokosha zvikuru.Kana iyo fit yanyanya kusununguka, nzvimbo yekubatana inotsvedza inoenderana kune imwe neimwe, iyo inonzi inokambaira.Kamwe zvinokambaira zvangoitika, zvinopfeka nzvimbo yekubatanidza, kukuvadza shaft kana goko, uye hupfu hwakapfeka hunopinda mukati mekutakura, zvichikonzera kupisa, kuzunguzika uye kukuvara.Kana kupindira kwakanyanya, dhayamita yekunze yemhete yekunze ichava diki kana dhayamita yemukati yemhete yemukati ichave yakakura, izvo zvinoderedza kubvumidzwa kwemukati kwekutakura.Mukuwedzera, kurongeka kwejometri ye shaft uye shell processing kuchakanganisawo kurongeka kwepakutanga kwechindori chekutakura, nokudaro kunokanganisa kushanda kwekubereka.
1.1 Sarudzo yekukodzera 1.1.1 Chimiro chemutoro uye kusarudzwa kwekuenderana kunoenderana negwara iro rinotakura mutoro uye kutenderera mamiriro emukati nekunze zvindori, zvinowanzoreva Tafura 1. Tafura 1 Mamiriro e iyo yakasanganiswa mutoro uye mamiriro ekutenderera kweanoenderana kutakura Legend Mutoro wechimiro Kukodzera nzira Mhete yemukati: inotenderera Negative ring: Static load direction: Yakagadzika Inner ring Inotenderera Mutoro Wekunze ring Static load Inner ring: Static fit (interference fit) Mhete yekunze: Dynamic fit. (clearance fit) inowanika Inner ring: Static Negative ring: Inotenderera inotenderera dhairekitori: Kutenderera panguva imwe chete nemhete yekunze Mhete yemukati: Inotenderera Negative ring: Static load direction: Yakagadziriswa yemukati ring Static load Yekunze mhete inotenderera mhete Mhete yemukati: Dynamic fit inowanikwa (Pachena fit) Mhete yekunze: Static fit (kupindira kwakakodzera) Mhete yemukati: Static Negative ring: Inotenderera Mutoro wekutungamirira: Kutenderera panguva imwe chete nemhete yemukati.2) Yakakurudzirwa yakakodzera Kuti usarudze chinokodzera chakakodzera chinangwa, hunhu, saizi, tembiricha mamiriro ekutakura mutoro, uye mamiriro akasiyana ekuisa uye disassembly yekubereka inofanirwa kutariswa.Kana kubereka kwakaiswa paganda rakatetepa-rakakomberedzwa kana shaft isina mhango, kupindira kunoda kuve kwakakura kupfuura kwakajairwa;iyo yakaparadzana shell iri nyore kukanganisa mhete yekunze yekutakura, saka inofanira kushandiswa nekuchenjerera apo mhete yekunze inoda kuiswa statically;muchiitiko chekudengenyeka kukuru, Mhete dzemukati nekunze dzinofanira kutora static fit.
Kune yakanyanya kukurudzirwa yakakodzera, tarisa Tafura 2, Tafura 3 Tafura 2 Inoshanda mamiriro eradial mabearings uye shafts (yereferensi) Shaft dhayamita (mm) Matauriro e spherical roller mabearings Mabhora mabearings Cylindrical roller bearings Tapered roller bearings Automatic kugadzirisa Central roller bearings. Cylindrical bore bearings uye yekunze ring yeshaft Mutoro unotenderera unoda ring yemukati kuti ive nyore kufamba pashaft Dimensions dzese dzemavhiri estationary shaft g6 Kana kurongeka kuchidiwa, shandisa g5, h5, mabearings makuru uye zvinodiwa. kuitira nyore kufamba kunogona kushandiswawo panzvimbo yeh6 Mhete yemukati inoda kuve nyore kufamba pane shaft Tensioner frame, sheave h6 Mhete yemukati inotenderera kana nzira isingagumi.Iyo yakareruka mutoro iri pazasi 0.06Cr (1).- - Js5 Kana kururamisa kuchidiwa, shandisa p5 kirasi, uye shandisa h5 kune yakarurama mabheji ebhora ane dhayamita yemukati ye18mm kana pasi.0.13) Kuremerwa kweCr (1) muchikamu chinotakura chikamu chiri pazasi 18 kune mahombe emagetsi mota, turbines, pombi, injini shafts, magiya ekufambisa, uye michina yekugadzira matanda - n6 single-row tapered roller bearings uye single-row radial thrust bhora. mabhengi anogona kutsiviwa ne k6 uye m6 k5, m5.18-100 pazasi 40 p6 140-200 40-100 40-65 r6 200-280 100-140 65-100 r7— 140-200 100-140 n6— 200-400 200-60—200-400 2060—28 pamusoro pe500 r7 mutoro unorema (kupfuura 0.13Cr (1)) mutoro kana kukanganisa mutoro njanji, indasitiri mota tram main mota yekuvaka muchina pulverizer-50-140 50-100 n6 mabheji anoda yakakura kupfuura yakajairwa kubvumidzwa - 140-200 100-140 p6 — more than 200 140-200 r6 — — 200-500 r7 Bearing axial load Yese inotakura zvikamu zvezvimiro zvakasiyana All dimensions Js6 (j6) — Tafura 3 Radial bearing uye imba gomba Mienzaniso inoshanda yemamiriro anoenderana (reference) Housing gole tolerance kirasi Kufamba kwemhete yekunze Mazano Akabatanidzwa eimba gomba Mhete yekunze Inotenderera mutoro Wall inotakura Inorema Mavhiri emotokari (roller bears) Crane inomhanya mavhiri P7 Mhete yekunze haigoni kufamba yakananga kuaxial.
Mutoro wakajairika, mutoro unorema wemotokari vhiri (bhora rinotakura) rinodedera skrini N7 mwenje unorema kana kuchinjika mutoro wekutakura pulley, pulley tensioner M7 isiri-directional mutoro hombe ine simba injini huru yetramu yakajairika mutoro kana kuremedza pombi crankshaft yepakati uye hombe mota K7 kunze In. musimboti, mhete yekunze haigone kufamba munzira yeaxial.Mhete yekunze haidi kufamba munzira yeaxial.Iyo yakakosha imba gomba kana iyo yakaparadzana imba gomba ndeye yakajairika mutoro kana kureruka mutoro JS7 (J7).Mhete yekunze inogona kufamba axially.Mhete yekunze inogona kufamba axially.Directional movement Inner ring rotational load Ese marudzi emitoro General bearings Chikamu chekutakura dzimba dzenjanji H7 Mhete yekunze inofamba ichienda kuaxial direction zviri nyore - yakajairika mutoro kana kureruka inotakura nechigaro H8 Integral shell shaft uye yemukati ring inova yakanyanya kupisa bepa. dryer G7 yakajairika mutoro, mutoro wakareruka, kunyanya inoda chaiyo inotenderera ichikuya spindle kumashure bhora rine high-speed centrifugal compressor fixed side inotakura JS6 (J6) yekunze mhete inogona kufamba muaxial direction - isiri-directional mutoro ichikuya spindle kumashure bhora rinotakura kukurumidza Centrifugal. Compressor fixed side inobereka K6 Kana mhete yekunze yakamisikidzwa mugwara reaxial musimboti, kupindirana kwakakura kupfuura K kunoshanda.Panyaya yezvinodikanwa zvakakosha zvehupamhi hwepamusoro, zvinodikanwa kuti uwedzere kushandisa diki mutsauko unobvumidzwa maererano nekushandisa.Batira pamwe.
Mutoro unotenderera wemhete yemukati inoshandura mutoro, kunyanya inoda kutenderera kwakanyatso uye kuoma kwepamusoro.Cylindrical roller mabearings emuchina maturusi spindles M6 kana N6.Mhete yekunze inogadziriswa muaxial direction uye inoda kushanda kusina ruzha.Zvishandiso zvemumba H6.Mhete yekunze inofamba muaxial direction-3), shaft 1. Kana kunyatsojeka kwegomba uye kusvibiswa kwepamusoro kwegomba uye ganda hazvina kunaka zvakakwana, kutakura kuchabatwa nayo uye hakugoni kuita zvinodiwa.Semuenzaniso, kana kururamisa kwechikamu chekuisa chepfudzi chisina kunaka, zvindori zvemukati nekunze zvicharerekera.Mukuwedzera kune mutoro wekutakura, mutoro wakaiswa pamagumo uchaderedza kuneta kwehupenyu hwekutakura, uye zvakanyanya, zvinokonzeresa kukuvadza kune cage uye sintering.Uyezve, iyo deformation yeimba nekuda kwemitoro yekunze idiki.Izvo zvinodiwa kuti ukwanise kutsigira zvizere kuomarara kwekubereka.Iyo yakakwirira kuomarara, iyo inonyanya kubatsira kune inotakura ruzha uye kugovera mutoro.
Pasi pemamiriro akajairwa ekushandiswa, kutendeuka kupedzisa kana kunyatso kufinha muchina kugadzirisa zvakakwana.Zvisinei, kune dzimwe nguva dzine zvinodiwa zvakasimba pakutenderera runout uye ruzha uye mitoro mamiriro akanyanya kuomarara, kugaya kupedzisa kunodiwa.Kana anopfuura 2 mabearings akarongwa mugomba rose, nzvimbo yekubatanidza yegoko inofanirwa kugadzirwa kuti ikwanise kugadzirisa iyo perforation.Pasi pemamiriro akajairika ekushandiswa, iko kurongeka uye kutsetseka kweshaft uye imba inogona kuve yakavakirwa paTafura 4 pazasi.Tafura 4 Kururama uye kutsvedzerera kwe shaft nedzimba Chinhu chine mamakisi Shaft dzimba dzakatenderedza kushivirira 0, 6, 5, 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT3 ~ IT42 2 Cylindricity tolerance 0, 6 Grade 5, Grade 4 IT3 IT42 2IT2 ~ IT32 2 IT4 ~ IT52 2IT2 ~ IT32 2 Shoulder run-out tolerance Grade 0, Grade 6 Grade 5, Grade 4 IT3IT3 IT3~IT4IT3 Fitting surface finish Rmax Small bearings Makuru 3.2S6.3S 6.5S12
2 Bearing clearance: Bearing clearance inoratidzwa muFigure 1: Mufananidzo 1 Bearing clearance. bhokisi rekutakura.Gadzirisa, wobva waita kuti risingagadzirwe divi rifambe radially kana axially.Zvinoenderana nekutungamira kwekufamba, inogona kukamurwa kuita radial clearance uye axial clearance.Pakuyera kucheneswa kwemukati kwebearing, kuitira kudzikamisa kukosha kwakayerwa, muyedzo wemuyedzo unowanzo kuisirwa mhete.Naizvozvo, kukosha kwekuyedzwa kwakakura kupfuura iyo chaiyo clearance value, ndiko kuti, kune imwezve yakawanda yealastic deformation inokonzerwa nekushandisa bvunzo mutoro.Iko kukosha kweiyo yemukati kubvumidzwa kwekutakura kunoenderana neTafura 4.5.Kuwedzera kwekuchenesa kunokonzerwa nepamusoro pe elastic deformation inogadziriswa.Kuwanda kwe elastic deformation ye roller bearings haina basa.Tafura 4.5 ndiyo inogadziriswa yeradial clearance kuti ibvise simba remuyedzo wekuedza (deep groove ball bear) Unit: um Nominal kutakura modhi yemukati dhayamita d (mm) Test load (N) Clearance kururamisa kunodarika C2 Ordinary C3 C4 C510 (inosanganisirwa) 18 24.549 147 3~4 4~5 6~8 45 8 4 6 9 4 6 9 4 6 92.2 Kusarudzwa kwebearing clearance. zvindori zvemukati nekunze.Diki.Iyo yekumhanya clearance yakabatana zvakanyanya nehupenyu hwekubereka, kukwira kwekushisa, vibration uye ruzha, saka inofanirwa kuiswa kune yakanyanya kunaka mamiriro.
Tichingotaura, kana kutakura kuri kushanda, neine zvishoma kutadza kumhanya kubvumidzwa, hupenyu hwekutakura ndihwo hukuru.Asi zvakanyanya kuoma kuchengetedza iyi yakakwana clearance.Sezvo mamiriro ebasa anoshanduka, kusvibiswa kusina kunaka kwekutakura kuchawedzera maererano, zvichiita kuti kuderera kukuru kwehupenyu hwekutakura kana kupisa chizvarwa.Naizvozvo, kubvisirwa kwekutanga kwebearing kazhinji kunoiswa kuve kwakakura zvishoma pane zero.Mufananidzo 2: Shanduko muradial clearance yemabearings 2.3 Kusarudzwa kwemaitiro ekutakura kubvumidzwa Zvinotaurwa, kana kutakura kuri munzvimbo yakachengeteka yekushanda uye ine zvishoma zvakashata kushanda clearance, hupenyu hwekutakura ndiyo hukuru.Asi chaizvoizvo, zvakaoma zvikuru kuchengetedza iyi yakakwana mamiriro.Kamwe imwe mamiriro ekushandisa achinja, iyo yakaipa clearance ichawedzera, izvo zvinozotungamira kuderera kukuru mukubereka hupenyu kana kupisa chizvarwa.Naizvozvo, pakusarudza yekutanga clearance, zvinodikanwa kuti iyo yekumhanya dhizaini ingove yakakura zvishoma pane zero.
Kune mabhengi anoshandiswa pasi pemamiriro akajairwa, iyo yakajairika mutoro inokwana ichashandiswa.Kana kumhanya uye tembiricha zvakajairika, chete inowirirana yakajairika clearance inofanira kusarudzwa kuti iwane yakakodzera yekumhanya clearance.Tafura 6 Mienzaniso inoshanda yemvumo yakajairika Shandisa mamiriro Nguva dzinoshanda Sarudza mvumo kutakura mitoro inorema, mitoro inokonzeresa, uye kukanganisa kukuru Axle C3 Vibrating screens C3 neC4 inotakura mitoro isiri-directional, uye mhete dzemukati nekunze dzinotora static fit njanji yekufambisa. Motokari C4 tarakita, yekupedzisira inoderedza C4 inotakura kana yemukati mhete yekudziya bepa muchina, dryer C3, C4 rolling mill roller roller C3 inoderedza kutenderera uye ruzha micro mota C2 gadzirisa clearance uye kudzora shaft vibration NTN muchina chishandiso spindle (kaviri mutsara cylinder Roller bearings) C9NA , C0NA.