Ma Bearings a Double Row Cylindrical Roller
Mawonekedwe
Mizere iwiri ya cylindrical roller bearings:
Mtundu wa NN: mphete yamkati ili ndi nthiti, ndipo mphete yakunja ilibe nthiti. Mphete yakunja ndi msonkhano wamkati ukhoza kukhazikitsidwa mosiyana, zomwe sizimalepheretsa kusuntha kwa axial kwa shaft kapena nyumba, ndipo sikungathe kunyamula katundu wa axial. Poyerekeza ndi mzere umodzi wa cylindrical roller wokhala ndi kukula kofanana kwa radial, imatha kupirira katundu wokulirapo. Kapangidwe kameneka ndi kophatikizana, kupindika pansi pa katundu ndi kakang'ono, ndipo ndikoyenera kwambiri kuthandizira spindle ya chida cha makina.
Lembani NN...K:
Kapangidwe kake ndi kofanana ndi mtundu wa NN, koma dzenje lamkati la chonyamulira limaphwanyidwa, lomwe ndi losavuta kuwongolera bwino kutulutsa kwamtundu wamtundu komanso kosavuta kusonkhana ndi kuphatikizira. Mtundu woterewu umagwiritsidwa ntchito kwambiri mu shaft yayikulu ya chida cha makina ndipo amayikidwa pa shaft tapered. Chilolezo cha radial chimasinthidwa ndi kukakamiza kwa mphete yamkati.
Mitundu ya NNU, NNU…K:
Mphete yakunja ili ndi nthiti ndipo mphete yamkati ilibe nthiti. Pali mitundu iwiri ya mabowo a cylindrical ndi ma conical. Sizichepetsa kusuntha kwa axial kwa shaft kapena nyumba ndipo sikungathe kunyamula katundu wa axial. Poyerekeza ndi mzere umodzi wa cylindrical roller wokhala ndi kukula kofanana kwa radial, imatha kupirira katundu wokulirapo.
Lembani NNCF:
Mphete yamkati ili ndi nthiti zitatu ndipo mphete yakunja imakhala ndi nthiti imodzi yoyika axial mbali imodzi. Mphete yakunja imayikidwa ndi mphete yotsekera mbali ina ya nthiti kuti nthitiyo ikhalebe gawo limodzi.
Mtundu wa NNCL:
Mphete yamkati ili ndi nthiti zitatu, mphete yakunja ilibe nthiti, ndipo pali mphete zoyimitsa mbali zonse ziwiri kuti zikhale zoberekera zosalekanitsidwa.
NNCS:
Mphete yamkati ili ndi nthiti zitatu, mphete yakunja ilibe nthiti, ndipo pali mphete yotsekera yapakati pakati pa mphete yakunja, yomwe imakhala yonyamula osasiyanitsidwa. Shaft ndi mpando wonyamula amalola kusuntha kwina kwa axial ndipo angagwiritsidwe ntchito ngati chotengera chaulere.
Mapulogalamu
Zonyamula zotere zimagwiritsidwa ntchito kwambiri pamakina opangira zida zamakina, injini zoyatsira mkati, ma turbines agasi, zochepetsera, kutsitsa ndikutsitsa makina ndi makina osiyanasiyana amafakitale.
Kukula kwake:
Mizere iwiri ya cylindrical roller bearings:
M'mimba mwake kukula osiyanasiyana: 50mm ~ 1500mm
Kunja m'mimba mwake kukula osiyanasiyana: 80mm ~ 2300mm
M'lifupi kukula osiyanasiyana: 23mm ~ 800mm
Kulekerera: Kulondola kwazinthu kumakhala ndi giredi wamba, giredi ya P6, giredi ya P5, ndi zinthu zamakalasi a P4 zitha kukonzedwanso ngati wogwiritsa ntchito ali ndi zofunikira zapadera.
Chilolezo cha radial
Zogulitsa zokhala ndi mizere iwiri ya cylindrical roller zimakhala ndi chilolezo cha 1, ndipo ma cylindrical bore bearings amathanso kupereka 2 kapena 3 ma seti a chilolezo.
Ma bere obowoleredwa amapezekanso ndi ma seti a 2 ovomerezeka.
Ma bearings okhala ndi ma radial clearance akulu kapena ang'ono kuposa mtengo wokhazikika amathanso kupangidwa molingana ndi zomwe wogwiritsa ntchito amafuna.
khola
Mizere iwiri ya cylindrical roller bearings nthawi zambiri imagwiritsa ntchito makola amkuwa, ndipo nthawi zina makola a nayiloni amapezekanso.
Khodi yowonjezera:
D kugawanika kubereka.
DR ya mizere iwiri yogawanika yonyamula awiriawiri ntchito
E Kusintha kwa kamangidwe ka mkati, kamangidwe kolimbikitsidwa. (Kukula kwa msewu wothamanga kumagwirizana ndi mulingo wapano wa dziko (mtundu wowonjezera), kukula kwa chogudubuza,
Kutalika kumawonjezeka poyerekeza ndi mtundu wosalimbikitsidwa. )
FC...ZW yokhala ndi mizere inayi ya cylindrical roller, mphete imodzi yamkati, mphete yakunja iwiri yokhala ndi nthiti ziwiri, mizere iwiri yodzigudubuza ili pafupi.
J zitsulo mbale stamping khola, owonjezera manambala kusiyana pamene zinthu zasinthidwa.
JA Steel stamping khola, kalozera wakunja wa mphete.
JE phosphated chitsulo chosalimba chopondapo khola.
K taper anabala, taper 1:12.
K30 tapered bore bearing, taper 1:30.
MA brass solid khola, kalozera mphete yakunja.
MB Brass olimba khola, mkati mphete kutsogoleredwa.
Pali ma snap grooves pa mphete yakunja ya N yonyamula.
NB Kupapatiza mphete zamkati.
NB1 yopapatiza mphete yamkati, mbali imodzi yopapatiza.
NC yopapatiza mphete yakunja.
Zonyamula za NR zimakhala ndi ma snap grooves ndi mphete zolumikizira pa mphete yakunja.
Mphete yakunja ya N1 ili ndi notch yopezeka.
Mphete yakunja ya N2 yokhala ndi mphete yakunja ili ndi masikelo awiri kapena kupitilira apo.
Q Khola lolimba lamkuwa lokhala ndi manambala owonjezera azinthu zosiyanasiyana.
/ QR Kuphatikiza kwa mayendedwe anayi a cylindrical roller, katundu wa radial amagawidwa mofanana
Mphete yakunja ya R yokhala ndi nthiti yoyimitsa (mphete yakunja ya flange).
-RS yokhala ndi chisindikizo cha rabara ya mafupa mbali imodzi
2RS Bearings ndi RS zisindikizo mbali zonse.
-RSZ yokhala ndi chisindikizo cha rabara ya mafupa (mtundu wolumikizana) mbali imodzi ndi chivundikiro cha fumbi mbali inayo.
-RZ yokhala ndi chisindikizo cha rabara ya mafupa kumbali imodzi (mtundu wosalumikizana).
-2RZ Bearings yokhala ndi zisindikizo za RZ mbali zonse.
VB Shaker Bearings.
WB yotambalala yamkati yokhala ndi mphete (mbali ziwiri m'lifupi).
WB1 yotakata yamkati yokhala ndi mphete (mbali imodzi m'lifupi).
WC yotalikirapo mphete yakunja.
X lathyathyathya posungira mphete wodzigudubuza wodzaza ndi cylindrical wodzigudubuza kunyamula.
X1 awiri akunja si muyezo.
X2 m'lifupi (kutalika) si muyezo.
X3 m'mimba mwake, m'lifupi (kutalika) osati muyezo (m'mimba mwake wamkati).
-Z kubereka kumakhala ndi chivundikiro cha fumbi mbali imodzi.
-2Z yokhala ndi chivundikiro cha fumbi mbali zonse ziwiri
