Ndikofunikira kwambiri kuti mufanane ndi kubereka mkati mwake ndi shaft ndi m'mimba mwake kunja ndi nyumba pamene kubera kumayikidwa. Ngati kukwanira kuli kotayirira kwambiri, malo okwererako amatulutsa kutsetsereka, komwe kumatchedwa kukwawa. Zokwawa zikangochitika, zimawononga malo okwererako, kuwononga tsinde kapena nyumba, ndipo ufa umalowa m'bokosi, kubweretsa kutentha, kugwedezeka ndi kuwonongeka. Kusokoneza kwakukulu kumapangitsa kuti m'mimba mwake mukhale ang'onoang'ono akunja kwa mphete yakunja kapena kukula kwamkati mkati mwa mphete yamkati, zomwe zidzachepetse chilolezo chamkati cha kunyamula. Kuonjezera apo, kulondola kwa geometric kwa shaft ndi shell processing kudzakhudzanso kulondola kwapachiyambi kwa mphete yonyamula, motero kumakhudza ntchito ya kubereka.
1.1 Kusankhidwa kwa Fit 1.1.1 Chikhalidwe cha katundu ndi kusankha koyenera kumatsimikiziridwa molingana ndi kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka anthu. yokhala ndi mphete yamkati: kutembenuka kolakwika: mayendedwe olemetsa: mphete yokhazikika yozungulira mkati, mphete yakunja yosasunthika IMAGWIRITSA NTCHITO cholumikizira (kusokoneza) mphete yakunja: mphete yopezeka yothamanga (chilolezo) mphete yamkati: chozungulira chosasunthika: njira yozungulira ya katundu, ndi mphete yakunja ndi mphete yamkati: kutembenuka kolakwika: mayendedwe olemetsa: mphete yosasunthika yamkati, mphete yozungulira yamkati, mphete yakunja yozungulira yomwe ikupezeka yokwanira (chilolezo) mphete yakunja: AMAGWIRITSA NTCHITO kusokoneza (kusokoneza) mkati. mphete: static negative circle: rotary load direction: ndi mphete yamkati ikuzungulira nthawi imodzi. 2) Kuyenerera koyenera Kusankha zoyenera, zonyamula katundu, kukula, kutentha, kuyika, kuchotsedwa kwazinthu zosiyanasiyana. Pamene kunyamula kumayikidwa ku chipolopolo chopyapyala chokhala ndi mipanda ndi tsinde lopanda kanthu, kuchuluka kwa kusokoneza kuyenera kukhala kwakukulu kuposa kwa wamba. Chigoba chopatulidwacho chikhoza kusokoneza mphete yakunja, choncho mphete yakunja iyenera kugwiritsidwa ntchito mosamala pansi pa chikhalidwe cha static coordination. Pankhani ya kugwedezeka kwakukulu, mphete yamkati ndi mphete yakunja iyenera kugwirizanitsa static.
Gwirizanani ndi malingaliro ambiri, onetsani tebulo 2, tebulo 3 tebulo 2 lokhala ndi centripetal ndi shaft ndi mikhalidwe yoyenera (lozera) kutalika kwa ekseli (mm) yozungulira yozungulira yokhala ndi mawu amtundu wa cylindrical roller bearings taper roller bearings automatic self- kulumikiza magudumu odzigudubuza okhala ndi cylindrical dzenje lokhala ndi mphete yakunja ndi shaft yozungulira katundu amafunikira mphete yamkati pa shaft ndikosavuta kusuntha mawilo a static axle onse kukula kwa g6 kulondola, Ndi g5, h5, kunyamula ndikuwongolera mafoni ofunikira h6 imapezekanso popanda mphete yamkati ndiyosavuta. kusuntha shaft tension wheel h6 wamkati mphete yozungulira chimango, chingwe chozungulira kapena mbali ya katundu wosiyanasiyana pansi pa katundu wopepuka 0.06 Cr (1) katundu wosiyanasiyana wamagetsi, mpope, blower, galimoto, makina olondola, zida zamakina zosakwana 18 -- Js5 kulondola pamene chofunika ndi mlingo wa p5, m'mimba mwake mkati ntchito mwatsatanetsatane mpira okhala pansi 18 mm h5. Katundu wamba (0.06~0.13) Cr (1) Wokhala ndi gawo la turbine yapakati ndi yayikulu yamagalimoto, mpope, spindle ya injini, zida zotumizira zida, makina opangira matabwa osakwana zaka 18 -- N6 mizere yozungulira yokhala ndi mizere imodzi ndi mpira wopindika wa mzere umodzi. mayendedwe angagwiritsidwe ntchito k6, M6 m'malo mwa K5, M5. P6 140-200 40-65 R6 200-280 100-140 N6 -- 200-400 140-280 P6 -- 280-500 R6 -- Kuposa 500 R7 katundu wolemera (kuposa 0.13Cr (1)) njanji zamagalimoto zamagalimoto ndi mafakitale eni galimoto magetsi omanga makina onyamulira -- 50-140 50-100 N6 Chosowa chachikulu kuposa chilolezo cha kubala - p6, 140-200, 100-140 - kuposa 200, 140-200 r6 -- 200-500 r7 nyamulani katundu wa axial wa zigawo za kapangidwe kake kogwiritsa ntchito miyeso yonse Js6 (j6) - tebulo 3 centripetal yokhala ndi zipolopolo zokhala ndi zipolopolo zomwe zimagwira ntchito (zofotokozera) kayendedwe ka kabowo kakunja kangapo kangapo konsekonse kabowo ka chipolopolo chokhala ndi mphete zakunja katundu wolemetsa wamagalimoto odzigudubuza (crane) kuyenda pamsewu P7 mphete yakunja kupita kumayendedwe axial.
Katundu wamba, gudumu lamagalimoto olemetsa (zonyamulira mpira) shaker N7 katundu wopepuka kapena kusintha gudumu lonyamula lamba, pulley M7 osati yonyamula katundu wambiri wonyamula katundu kapena katundu wopepuka wa mpope crankshaft spindle yayikulu mota K7 mphete yakunja mkati. mfundo osati kwa axial malangizo a mphete akunja safuna kuti axial malangizo ophatikizika amabowo chipolopolo kapena kulekana mtundu chipolopolo dzenje yachibadwa katundu kapena katundu kuwala JS7 (J7) mphete akunja adzatha kusamukira ku axial kufunika mphete yakunja kwa mayendedwe axial amkati mphete yozungulira yozungulira yamitundu yonse ya katundu wonyamula mbali ya bokosi lonse la njanji yanjanji H7 mphete yakunja kupita kumayendedwe axial mosavuta - katundu wamba kapena katundu wopepuka amakonzekera kulowetsa chipolopolo ndikunyamula bwalo lonse la H8 kukhala katundu wamba, kutentha kwa pepala kupanga chowumitsira G7 kuwala katundu, makamaka ayenera mwatsatanetsatane akupera spindle kasinthasintha kumbuyo kwa mpira wonyamula mkulu-liwiro centrifugal kompresa yokhazikika mbali kubala JS6 (J6) mphete yakunja kwa malangizo axial - osati anatsogolera malangizo katundu kumbuyo wa mpira kubala akupera spindle mkulu-liwiro centrifugal kompresa K6 zokhazikika mbali kubala mphete akunja zokhazikika mu axial malangizo a katundu mfundo, ntchito kuchuluka kwa kusokoneza lalikulu kuposa K, zofunika zapadera pansi pa chikhalidwe cha mwatsatanetsatane mkulu, Small chovomerezeka Zokwanira ziyenera kugwiritsidwanso ntchito pa cholinga chilichonse.
Mkati mphete kupota katundu zosiyanasiyana katundu, makamaka ayenera mwatsatanetsatane kasinthasintha ndi kulimba lalikulu la makina chida spindle ndi M6 kapena N6 cylindrical wodzigudubuza atanyamula mphete yakunja yokhazikika mu axial malangizo kwa noiseless ntchito zipangizo zapakhomo H6 akunja mphete kwa axial malangizo - 3), mwatsatanetsatane wa axis, hood, ndi roughness axis pamwamba, kulondola kwa hood sizinthu zabwino, zomwe zimakhudzidwa ndi zomwe sizingawonetse ntchito yofunikira. Mwachitsanzo, kuyika gawo la phewa ngati kulondola sikuli bwino, mphete zamkati ndi zakunja zidzatsatiridwa. Kuphatikiza pa katundu wonyamula, kuphatikizapo katundu wokhazikika pamapeto, moyo wotopa wonyamula udzachepetsedwa, ndipo mozama kwambiri, udzakhala chifukwa cha kuwonongeka kwa khola ndi sintering. Komanso, mapindikidwe chipolopolo chifukwa katundu kunja si lalikulu. Ndikofunikira kuthandizira kwathunthu kukhazikika kwa kubereka. Kukwera kwa kukhazikika, kumakhala bwino phokoso ndi kugawa katundu wa zonyamula.
Nthawi zambiri ntchito, kutembenukira kumapeto Machining kapena mwatsatanetsatane wotopetsa makina processing kungakhale. Komabe, pazochitika zomwe zimakhala ndi zofunikira kwambiri za kutha kwa kasinthasintha ndi phokoso komanso zinthu zolemetsa zimakhala zovuta kwambiri, kugaya komaliza kudzagwiritsidwa ntchito. Pamene ma bearings oposa 2 akonzedwa m'nyumba yonse, malo okwererako amayenera kupangidwa kuti azipangidwa ndi makina ndi ming'oma. Nthawi zambiri kagwiritsidwe ntchito, shaft, kulondola kwanyumba ndi kumaliza zitha kuwonetsedwa mu Gulu 4 pansipa. Table 4 Axis ndi Nyumba Zolondola ndi Kumaliza Kwa mayendedwe - Kalasi AXIS mpanda kuzungulira tolerances - kalasi 0, kalasi 6, kalasi 5, Kalasi 4 IT3 ~ IT42 2IT3 ~ IT42 2 IT4 ~ IT52 2IT2 ~ IT42 2 Cylindricity tolerances, makalasi 6 , kalasi 5, kalasi 4 IT3 ~ IT42 2IT2 ~ IT32 2 IT4 ~ IT52 2IT2 ~ IT32 2 Kupirira kwa mapewa - kalasi 0, kalasi 6, kalasi 5, kalasi 4 IT3IT3 IT3 ~ IT4IT3 Kufananiza kutha kwapamwamba Rmax yaying'ono yokhala ndi 3.2 S6. 3s 6.3 S12.5s.
Zomwe zimatchedwa kuti chilolezo chamkati cha chiberekero chimatanthawuza kuchuluka kwa kayendetsedwe kake pamene mphete yamkati kapena yakunja ya chiberekero imakhazikika musanayambe kuyika pamtengo kapena bokosi lonyamula, ndiyeno mbali yosasunthika imasunthidwa mu radial kapena axial direction. . Malingana ndi kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kapa zachuma kabubundunkangwangwangwangwangwangwangwangwaanianiani ukungena kokuda iliyokolingaliswengaliro wogwiritsa ntchito zikhale zovomerezeka Poyesa chilolezo chamkati cha bearing, kuti mtengo woyezedwa ukhale wolimba, katundu woyezetsa nthawi zambiri amagwiritsidwa ntchito pa mphete. Chifukwa chake, mtengo woyeserera ndi wokulirapo kuposa mtengo weniweni wa chilolezo, ndiye kuti, kuchuluka kowonjezera kwa zotanuka zomwe zimachitika chifukwa chogwiritsa ntchito mayesowo. Mtengo weniweni wonyamula chilolezo chamkati ukuwonetsedwa mu Table 4.5. Kuwonjezeka kwa chilolezo chifukwa cha zotanuka deformation pamwamba kumakonzedwa. The zotanuka mapindikidwe odzigudubuza mayendedwe ndi negligible. Table 4.5 kuchotsa chikoka cha ma radial chilolezo chilolezo kuwongolera katundu (zakuya groove mpira kunyamula) mayunitsi: um mwadzina kubereka chitsanzo m'mimba mwake d (mm) (N) chilolezo chilolezo katundu kuwongolera ku C2 C3 C4 C510 wamba (kuphatikiza) 18 24.549 147 3 ~ ~ 4 4 ~ 5 6 ~ 8 45 8 4 6 9 April 9 April 6 92.2 Kusankhidwa kwa chilolezo chokhala ndi chilolezo chokhala ndi chilolezo, chifukwa cha kubereka komanso kusiyana kwa kutentha pazifukwa zamkati ndi zakunja, kawirikawiri ndizochepa kusiyana ndi chilolezo choyamba. Chilolezo chogwiritsira ntchito chikugwirizana kwambiri ndi moyo wobereka, kukwera kwa kutentha, kugwedezeka ndi phokoso, kotero ziyenera kukhazikitsidwa kuti zikhale bwino.
Mwachidziwitso, pamene kubereka kukugwira ntchito, ndi chilolezo choyendetsa pang'ono choipa, moyo wobereka ndiwopambana. Koma ndizovuta kwambiri kusunga chilolezo choyenera. Ndi kusintha kwa mautumiki, kuchotsedwa kolakwika kwa mayendedwe kumawonjezeka mofanana, zomwe zidzachititsa kuchepa kwakukulu kwa moyo wobereka kapena kubadwa kwa kutentha. Chifukwa chake, kuloledwa koyamba kwa zotengera nthawi zambiri kumakhala kokulirapo pang'ono kuposa zero. CHITH. 2 kusiyanasiyana kwa kukhala ndi chilolezo cha radial 2.3 Njira Zosankhira za Kukhala ndi chilolezo Mwachidziwitso, kukhala ndi moyo kumakulitsidwa pakakhala chilolezo choyipa pang'ono pansi pazikhalidwe zotetezeka. Koma m'machitidwe, ndizovuta kwambiri kukhalabe mulingo woyenera izi. Mikhalidwe ina yautumiki ikasintha, chilolezo choyipa chimawonjezeka, zomwe zimapangitsa kuchepa kwakukulu kwa kubereka kapena kutentha. Choncho, pamene chilolezo choyamba chimasankhidwa nthawi zambiri, chilolezo chogwiritsira ntchito chimayenera kukhala chachikulu pang'ono kuposa zero.
Kwa mayendedwe pansi pazikhalidwe zabwino, kugwirizanitsa katundu wamba kudzatengedwa. Pamene liwiro ndi kutentha zili bwino, chilolezo chofanana chiyenera kusankhidwa kuti chipeze chilolezo chogwira ntchito. Table 6 chilolezo wamba kwambiri mwachitsanzo pogwiritsa ntchito mikhalidwe yoyenera chilolezo chilolezo pansi katundu wolemetsa, katundu mphamvu, kusokoneza kuchuluka kwa nkhwangwa ya njanji C3 kugwedera chophimba C3 ndi C4 sangakwanitse katundu Direction, mkati ndi kunja bwalo la C4 thirakitala kutengera static ndi Galimoto yoyendetsa galimoto ya njanji, chochepetsera kapena C4 yokhala ndi mapepala amkati amkati, chowumitsira C3 ndi C4 mill roller kun C3 kuti muchepetse kugwedezeka komanso phokoso la micro-motor C2 clearance kusintha ndikuwongolera kugwedezeka kwa shaft NTN spindle (mizere iwiri ya cylindrical roller). kunyamula) C9NA, C0NA.
Nthawi yotumiza: Jul-30-2020