Cov ntsiab lus
M12121
NKX 25 Z
TIAB SA 3220
Needle Roller Bearing yog dab tsi?
Muaj ntau ntau yam ntawm cov menyuam bearings, ib qho ntawm cov menyuam bearings uas tau txais nws lub npe los ntawm muaj ib tug slim, koob -zoo li tsim los ntawm nws cov cylindrical rollers. Qhov kev tsim no muaj ntau qhov chaw txuag tau zoo nrog rau lub peev xwm radial siab. Feem ntau, qhov ntev ntawm rab koob rollers yog qhov loj dua li txoj kab uas hla uas yog qhov tseem ceeb kom ncav cuag qhov kev pom zoo ntawm lub peev xwm nrog rau cov qauv compact. Kos- khob koob rau cov menyuam bearings, rab koob rau cov menyuam thiab lub tawb sib dhos, thiab lub nplhaib tshuab rab koob rau cov menyuam bearings yog tag nrho cov piv txwv ntawm cov qauv qauv uas ib tus tuaj yeem nrhiav tau.
Txoj Cai Ua Haujlwm
Nyob rau hauv ib qho kev sib dhos, rab koob rau cov menyuam bearing tuaj yeem txhawb nqa radial loads los ntawm cov cylindrical rollers, uas yog dov ntawm cov shafts (uas tuaj yeem yog lub nplhaib sab hauv) thiab vaj tse (uas tuaj yeem yog lub nplhaib sab nraud). There is virtually no space radially because of the dense radial load from the number of assemblies and the line contact from the rollers with the raceways. Qhov no kuj yog vim li cas lub rooj sib txoos tuaj yeem siv tsis muaj rab koob rau cov menyuam thiab lub tawb, vim lub tes tsho uas nyob ib sab thiab lub tsev bore ua raws li kev sib tw, kev txuag ntau qhov chaw.
Cov yam ntxwv tseem ceeb
Hla me me heev-Sectional Radial Height: Xav tau qhov tsawg kawg nkaus ntawm qhov siab qhov siab rau muab lub taub hau. Yog li ntawd nws yog zoo meej rau qhov siab qhov tseem ceeb daim ntaub ntawv. Loj Radial Load: Cov kab siab sib txuas ua ke nrog ntau tus neeg siv tau zoo ua rau muaj peev xwm loj hauv ib chav ntawm qhov chaw hla ntu. Muaj zog Radial Support: Zoo radial txhawb rigidity yog tiav los ntawm kab kev sib cuag ntawm cov menyuam thiab cov raceways. Zoo rau Oscillation: Lub slender tsim ntawm cov chais ua rau lawv tshwj xeeb tshaj yog zoo rau oscillating motions nrog tsawg mus txawv tebchaws thiab zoo radial txhawb. Ntau yam kev xaiv tsim: Los ntawm kos- khob bearings nrog ntau yam flanges rau sab hauv lub nplhaib- tsawg dua thiab lub nplhaib sab nraud-tsawg sib dhos, ntau yam qauv tsim muaj kom haum rau qhov sib txawv mounting thiab qhov yuav tsum tau ua. Kev Muaj Peev Xwm Ceev: Lub peev xwm ceev ntawm cov kabmob no qis dua li ntau lwm lub pob lossis cov menyuam bearings vim yog cov chais rhiab uas tuaj yeem tsim kev nplua ntau dhau los yog centrifugal rog ntawm kev kub ceev.
Main Hom & Installation nta
Machined Ring Needle Roller Bearings Yam ntxwv: Lub nplhaib sab hauv, lub nplhaib sab nrauv, thiab cov menyuam sib dhos yog txhua tus tsim nrog cov khoom siv ua haujlwm uas tseem muab qhov siab tshaj plaws.
Installation Feature: ntsia zoo li tus qauv bearings, yuav tsum tau lub xub pwg nyom los yog positioning ntsiab rau qhov chaw axial. Tsawg hardness xav tau rau qhov chaw nyob ib sab.
Koob Roller thiab Cage Assemblies Cov yam ntxwv: Tsuas yog cov menyuam thiab lub tawb sib dhos yog tsim los uas yog ib qho yooj yim tsim. Examplaa {NK, RNA hom). Tsis muaj lub nplhaib sab hauv lossis sab nraud, siv cov khoom sib txuas ua ke raws li kev sib tw.
Installation Feature: Yuav tsum muaj siab hardness (feem ntau ntau dua los yog sib npaug rau HRC 58) thiab tsawg nto roughness rau lub ncej thiab vaj tse bore, uas yuav tsum tau precision machined ua hauj lwm raws li raceways. Muab qhov compact tshaj plaws installation.
Drawn-Kub koob Cov Menyuam Bearings
Yam ntxwv: Ua ib lub nyias-walled, stamped sab nrauv khob, feem ntau nrog ib-sab lossis ob- sab seals. Lub teeb thiab tus nqi - zoo.
Installation Feature: Feem ntau nias- haum rau hauv lub tsev bore nrog cuam tshuam haum, nyob ntawm knurls los yog flanges ntawm lub khob txheej. Yooj yim installation, haum rau ntau lawm.
Cov ntsiab lus tseem ceeb ntawm installation:
Nto tiav thiab Hardness: Hais txog lub nplhaib-tsawg sib dhos, lub bore thiab mating ncej yuav tsum precision- hauv av thiab rooj plaub- hardened kom ncav cuag qhov zoo thiab hardness ntawm bearing nto. Qhov tseem ceeb ntawm Lubrication: Lub neej ua haujlwm xav tau kom txaus thiab ua kom muaj roj nplua nyeem (xws li tawb nrog roj nplua nyeem, roj rov ntxiv) vim qhov kev sib txhuam zawv zawg tuaj yeem tshwm sim ntawm qhov kawg ntawm cov chais thiab cov ribs, nrog rau qhov siab load ceev. Kev taw qhia thiab Ribs: Tsim cov tav, los coj cov koob chais, skewing, thiab fallout, yog qhov tsim nyog.
Pros thiab Cons
Qhov zoo:
Tsis tshua muaj siab radial load peev xwm nyob rau hauv ib qho zoo heev qhov tsawg kawg nkaus radial qhov chaw. Siv qhov chaw zoo tshaj plaws. Zoo heev rigidity. Qee hom (xws li-khob, piv txwv) yog pheej yig thiab hnyav. Tshwj xeeb tshaj yog zoo rau oscillating thiab reciprocating motions.
Tshwj xeeb yog tsim rau reciprocating thiab oscillating motions.
Ntau tus qauv tsim variants kom tau raws li qhov xav tau sib txawv.
Qhov tsis zoo:
Feem ntau tsuas tuaj yeem tiv taus cov loads radial, tsis yog axial loads (tshwj tsis yog tsim los nrog cov tav tshwj xeeb).
Kev txwv qis qis, tsis haum rau ultra-siab- daim ntawv thov ceev.
Cov kev xav tau siab rau hardness thiab machining precision ntawm cov khoom sib dhos (tshwj xeeb tshaj yog rau lub nplhaib -tsawg sib dhos).
Kev sib txhuam thiab kev tsim hluav taws xob tuaj yeem siab dua cov pob bearings, xav tau cov kev xav tau ntawm lubrication nruj.
rhiab heev rau misalignment, tsis zoo tus kheej -aligning peev xwm.
Cov cheeb tsam tseem ceeb ntawm daim ntawv thov
Rau cov qauv tsim qhov chaw thiab qhov hnyav yog qhov tseem ceeb, koob rau cov menyuam bearings yog qhov tseem ceeb rau kev muab siab radial loads. Automotive Sector: Transmissions (planetary gears, drive shafts), engines (rocker arms, me ends of connecting rods), steering gears, piston pins. Industrial Drives: Gearboxes, iav reducers, tsav ncej txhawb nqa. Aerospace: Actuators nyob rau hauv lub davhlau tswj systems, Auxiliary Power Units (APUs), linkage mechanisms nyob rau hauv nruj qhov chaw. Cov Khoom Siv Hauv Tsev & Cov Cuab Yeej: Cov cuab yeej hluav taws xob (lub kaum sab xis grinders, laum), tsav lub tshuab ntxhua khaub ncaws.
Robotics: Robot pob qij txha, reducers (hauv RV reducers, harmonic drives).
General Machinery: Cam followers thiab linkage txhawb kev luam ntawv, textile, thiab ntim machinery.
Xaus
Nrog nws cov qauv tsim tshwj xeeb ntawm qhov ntev, slip rollers, rab koob rau cov menyuam bearing muab qhov ze ntawm - qhov kawg load peev txheej nyob rau hauv cov xwm txheej uas qhov chaw radial tsis tshua muaj kev txwv. Thaum tus qauv tsim ntsib qhov kev sib tw ntawm "qhov chaw tsawg, siab loads, thiab feem ntau radial loads," lub koob rau cov menyuam bearing feem ntau yog qhov kev xaiv tseem ceeb rau kev ua tiav qhov compact, npaum, thiab siab -load design.
