Chidziwitso: Chonde titumizireni mndandanda wamitengo yotsatsa.

Kukonzekera kokwanira komanso kokwanira

Ndikofunikira kwambiri kuti mufanane ndi kubereka mkati mwake ndi shaft ndi m'mimba mwake kunja ndi nyumba pamene kubera kumayikidwa. Ngati kukwanirako 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 yamkati yozungulira yozungulira, mphete yakunja yokhazikika IMAGWIRITSA NTCHITO kusokoneza fit (zosokoneza) mphete yakunja: yopezeka yokwanira (kuchotsedwa) mphete yamkati: chozungulira chosasunthika: kuzungulira kwa katundu, ndi mphete yakunja ndi mphete yamkati: kutembenuka kolakwika: static load direction: fixing innner static load mkati. mphete, mphete yozungulira yakunja yopezeka yokwanira (chilolezo) mphete yakunja: AMAGWIRITSA NTCHITO chopingasa (kusokoneza) mphete yamkati: bwalo losasunthika: katundu wozungulira malangizo: ndi mphete yamkati ikuzungulira nthawi yomweyo. 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 chodzigudubuza chokhala ndi dzenje lozungulira lokhala ndi mphete yakunja ndi katundu wozungulira shaft amafunikira mphete yamkati pa shaft Ndiosavuta kusuntha mawilo a static axle onse kukula kwa g6 molunjika, Ndi g5, h5, kunyamula ndikuwongolera mafoni ofunikira h6 imapezekanso popanda mphete yamkati ndikosavuta kusuntha gudumu lopindika h6 mphete yamkati yozungulira, chingwe chozungulira kapena njira yosinthira. katundu pansi pa katundu wopepuka 0.06 Cr (1) katundu wosiyanasiyana zida, mpope, blower, galimoto, mwatsatanetsatane makina, makina chida pansi 18 - Js5 kulondola pakafunika ndi mlingo wa p5, mkati mwake pogwiritsa ntchito mpira wolondola pansi pa 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 magalimoto opangira makina opangira magetsi -- 50-140 50-100 N6 Chofunikira ndi chachikulu kuposa chilolezo chonyamula - p6, 140-200, 100-140 - kuposa 200, 140-200 r6 -- 200-500 r7 amangonyamula katundu wa axial wa zigawo zonyamula gwiritsani ntchito miyeso yonse Js6 (j6) - tebulo 3 lokhala ndi centripetal Zipolopolo za dzenje zimagwira ntchito (zofotokozera) kusuntha kwa mphete yakunja kwa dzenje lololera kalasi yonse ya chipolopolo chabowo chokhala ndi mphete zakunja zozungulira katundu wolemetsa wamagalimoto odzigudubuza (crane) kuyenda gudumu lamsewu 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 mbali yofunika mabowo chipolopolo kapena kulekana mtundu chipolopolo dzenje yachibadwa katundu kapena kuwala. katundu JS7 (J7) mphete yakunja idzasunthidwa ku axial yofunikira mphete yakunja kupita kumayendedwe axial amtundu wamtundu wamtundu uliwonse wa katundu wonyamula mbali ya bokosi lalikulu la njanji H7 mphete yakunja kupita kumayendedwe axial. mosavuta - katundu wamba kapena katundu wopepuka amakonza kulowetsa mu chipolopolo ndikunyamula bwalo lonse la H8 kukhala katundu wamba, kutentha kwakukulu kwa pepala kupanga chowumitsira G7 katundu wopepuka, makamaka akupera mwatsatanetsatane. kuzungulira kwa spindle kumbuyo kwa mpira wokhala ndi liwiro lalikulu la centrifugal kompresa yokhazikika mbali yokhala ndi JS6 (J6) mphete yakunja kupita ku axial direction - osawongoleredwa kumbuyo kwa mpira wokhala ndi kugaya spindle high-liwiro centrifugal kompresa K6 mbali yokhazikika yokhala ndi mphete yakunja yokhazikika kumayendedwe axial a katunduyo, molingana ndi kuchuluka kwa kusokoneza kwakukulu kuposa K, zofunika zapadera pansi pa mkhalidwe wolondola kwambiri, Zokwanira zazing'ono zovomerezeka 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 pamwamba roughness axis, hood kulondola sikuli bwino, kunyamula okhudzidwa ndi ake sangathe kusonyeza ntchito yofunika. Mwachitsanzo, kuyika gawo la phewa ngati kulondola sikuli bwino, mphete zamkati ndi zakunja zidzapendekera. 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 pamwamba pa mapeto Rmax yaying'ono yobereka 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 amakonzedwa. 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 chothamanga, chifukwa cha kukwanira kwake komanso kusiyana kwa kutentha pazifukwa zamkati ndi zakunja, nthawi zambiri zimakhala zazing'ono kuposa chilolezo choyambirira. Chilolezo chogwiritsira ntchito chikugwirizana kwambiri ndi moyo wobereka, kukwera kwa kutentha, kugwedezeka ndi phokoso, kotero ziyenera kukhazikitsidwa ku chikhalidwe choyenera.

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 njanji galimoto traction galimoto, reducer kapena C4 okhala ndi mphete mkati kutentha pepala makina, chowumitsira C3 ndi C4 mphero wodzigudubuza kun C3 kuchepetsa kugwedera kasinthasintha ndi phokoso la micro-motor C2 chilolezo chosinthira ndikuwongolera kugwedezeka kwa shaft NTN spindle (mizere iwiri ya cylindrical roller) C9NA, C0NA.

 


Nthawi yotumiza: Jul-30-2020