Pamene kunyamula kumazungulira pansi pa katundu, chifukwa msewu wothamanga pamwamba pa mphete ndi kugubuduza pamwamba pa zinthu zogubuduza nthawi zonse zimakhala ndi katundu wosiyanasiyana, ngakhale ngati mikhalidwe yogwiritsira ntchito ili yabwino, kuwonongeka kwa nsomba (kutchedwa kuwonongeka kwa nsomba) kudzachitika pa. pamwamba pa mpikisano ndi kugudubuzika pamwamba chifukwa cha kutopa kwakuthupi.kusenda kapena kusenda).Chiwerengero chonse cha masinthidwe chisanachitike kuwonongeka kwa kutopa kotereku kumatchedwa "(kutopa)" moyo wa kubereka.Ngakhale ma bereti ali ofanana mu kapangidwe, kukula, zakuthupi, njira yopangira, ndi zina zotero, padzakhalabe kusiyana kwakukulu mu moyo (kutopa) kwa zitsanzo zonyamula pozungulira pansi pazikhalidwe zomwezo.Izi zili choncho chifukwa kutopa kwakuthupi komweko kumakhala koonekeratu ndipo kuyenera kuganiziridwa potengera ziwerengero.Choncho, pamene gulu la mayendedwe ofanana amazungulira padera pansi pa zikhalidwe zomwezo, chiwerengero chonse cha kuzungulira kumene 90% ya mayendedwe samavutika ndi kuwonongeka kwa kutopa kumatchedwa "basic rated life of the bear" (ndiko kuti, moyo umene kudalirika ndi 90%).Pozungulira pa liwiro lokhazikika, nthawi yonse yozungulira imatha kuwonetsedwanso.Komabe, m'ntchito yeniyeni, zochitika zowonongeka kupatula kuwonongeka kwa kutopa zimatha kuchitika.Zowonongekazi zitha kupewedwa mwa kusankha koyenera, kukhazikitsa ndi kuthira mafuta.Chiyerekezo cha katundu wamba chikuwonetsa kuthekera kwa chonyamulira kupirira kutopa kwapang'onopang'ono (ie kuchuluka kwa katundu).Imatanthawuza kunyamula koyera kwa ma radial kukula kwake ndi komwe kumayendera (kwa mayendedwe a radial).Mphete yamkati imazungulira ndipo mphete yakunja imakhazikika (kapena mphete yamkati Pansi pa kusinthasintha kwa mphete yakunja), moyo woyambira pansi pa katundu uwu ukhoza kufika ku 1 miliyoni.Chiyerekezo choyambira champhamvu chamtundu wa radial chimatchedwa radial basic dynamic load rating, yofotokozedwa ndi Cr, ndipo mtengo wake umalowetsedwa mu tebulo la kukula kwake (lofotokozedwa ndi C munjira yotsatirayi).

Njira yoyezera moyo (2) imayimira njira yowerengera moyo wa ma bere;fomula (3) imayimira njira yamoyo yomwe imawonetsedwa munthawi yomwe liwiro la kunyamula lidakhazikitsidwa.(Chiwerengero chonse cha kusintha) L10 = ( C )PP………………(2) (nthawi) L10k =………………(3) 10660n ( ) CPP: moyo wovoteledwa, kusintha kwa 106: moyo wovotera, h: katundu wofanana, N{kgf}: Basic dynamic load rating, N{kgf}: Kuthamanga kozungulira, rpm: Life index L10pnCPL10k mpira wonyamula……………P = 3 wodzigudubuza……………P=310 chifukwa chake, monga momwe amagwiritsidwira ntchito potengera, poganiza kuti mphamvu yofananayo ndi P ndi liwiro lozungulira ndi n, ndiye kuti mphamvu yoyambira C yamtundu wofunikira kuti ikwaniritse moyo wopanga imatha kuwerengedwa ndi Equation (4). ).Sankhani mayendedwe omwe akukumana ndi mtengo wa C kuchokera patebulo la kukula kuti muwone kukula kwake C=P(L10k) Njira yowerengera ili motere: L10k=500fhf……………………(5) Chuma cha moyo: fh=fn……………(6C P Speed ​​coefficient: = (0.03n) p……………………(7)-1fn=( )500x60n106Kugwiritsa ntchito tchati chowerengera [chithunzi cholozera], fh, fn ndi L10h zitha kupezeka mosavuta.Posankha mayendedwe, moyo wa kutopa umakhala wabwino mwadala.Ndizopanda ndalama kusankha ma bere akulu ndi mphamvu ya shaft, Kuuma, miyeso yoyika, ndi zina zotere sizitengera moyo wotopa wokha.Ma bearings omwe amagwiritsidwa ntchito pamakina osiyanasiyana amakhala ndi moyo wofananira, ndiye kuti, moyo wotopa wotopa, kutengera momwe amagwiritsidwira ntchito.Chonde onani tebulo ili m'munsimu.

n 1.5 10 0.9 0.8 0.7 0.6 0.5 0.4 0.35 0.3 0.25 02019018017 016 015

n 10 20 30 40 50 70 100 200 300 500 1000 2000 3000 5000 10000

0.6 0.7 0.8 0.9 10 1.5 2.0 2.5 3.0 3.5 4.0 5.0 6.0

100 200 300 400 500 700 1000 2000 3000 5000 10000 20000 30000 50000 100000h10h1.4 1.3 1.2 1.8000 7. 0.45 0.4 0.35 0.3 0.25 0.20.190.1810 20 40 50 70 100 200 300 500 1000 2000 3000 5000 10000nn0 .62 0.7 0.6 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.71.81.92.0 2.5 3.0 3.5 4.0 4.5 4.9100 200 300 1000 200 300 1000 2000 1 0000 20000 30000 50000 100000h 10h

[Mpira Wonyamula] Speed ​​​​Life Speed ​​​​Life [Roller Bearing] Mndandanda wamakalata a Kutopa Kwambiri Moyo Wokwanira fh ndi Makina Ogwiritsa Ntchito Table 3 Zinthu fh Mtengo ndi Makina Ogwiritsidwa Ntchito ~ 3 2 ~ 4 3 ~ 5 4 ~ 7 6 ~ Osagwiritsa ntchito pafupipafupi kapena nthawi yaifupi Kugwiritsa ntchito pafupipafupi, koma ndikofunikira kuwonetsetsa kuti ntchitoyo siyipitilira, koma nthawi yogwira ntchito ndi yayitali kuposa maola 8 patsiku, kapena kugwira ntchito mosalekeza kwa maola 24 kwa nthawi yayitali, ndipo sikuloledwa kuyimitsa ntchito. chifukwa cha ngozi.Zida zazing'ono monga zotsukira m'nyumba ndi makina ochapira siziloledwa kuyimitsidwa;zida zamagetsi ndi adagulung'undisa Roller m'mimba mwake Motors kwa makina ulimi ndi zoziziritsa kukhosi kunyumba;ma motors ang'onoang'ono opangira makina omanga;ma cranes apakati;zoyambira katundu wamba;zida zoyambira;magalimoto;malamba onyamula ma escalator;ma elevator fakitale motors;lathes;zida zonse zida;zowonetsera zogwedeza;ophwanyira;magudumu akupera;Centrifugal separator;zipangizo zoyatsira mpweya;ma fani;makina opangira matabwa;injini zazikulu;sitima yapamadzi yonyamula ma axle crane;kompresa;zofunika zida chipangizo migodi Kireni;nkhonya inertia gudumu (flywheel);injini yayikulu yamagalimoto: chitsulo chowongolera, makina opangira mapepala zida zamadzi apampopi;Zida zamagetsi zamagetsi;Zida zotayira migodi.