06040-06024Ngaihtuahna .
Bulldozer bearings hi core mechanical components a ni a, rotating parts support nan te, friction tihtlem nan te, leh loads transmit nan te hman a ni. Anni hi a tlangpuiin inner ring (shaft nena inzawm), outer ring (in housing nena inzawm), rolling elements (steel ball, rollers, etc.), leh cage (rolling elements then) te an ni. A material hi a bik takin high carbon chromium bearing steel (GCR15 ang chi), hardness sang tak (rolling element hardness chuan HRC60-65 a thlen), wear resistance, leh heat treatment hnua hahna do thei a ni. Bulldozer-te hnathawh dan harsa tak tak, load, vibration, dust, etc. ang chi hnathawh dan harsa tak takte nen a inmil thei a ni.Friction form angin, bulldozer bearings chu rolling bearings (rolling elements hmanga friction tihziaawmna leh hman tam ber a ni) leh sliding bearings (chu chu sliding friction-in a thlawp a, bushing angin a thlawp a ni). Chumi zingah chuan rolling bearings chu bulldozer-a rotating component pawimawh ber a ni ta a, hei hi an friction coefficient hniam leh speed adaptability chak tak avang a ni.1. Support Components Support Support Shaft components te tan radial leh axial positioning provide a, trajectories ruat lawk sa chunga rotating parts (gears, sprockets, etc.) te stable taka hnathawh theihna turin shaft components (drive shaft, gear shaft ang chi) te tan, offset avanga vibration emaw collision emaw awm lo turin.Reduce friction losses2. Rotating components sliding friction chu rolling friction (or low friction sliding) ah rolling elements (or sliding surface) hmangin a chantir a, power transmission laiin energy hloh a ti tlem a, transmission efficiency a ti tha bawk.Carrying leh transmitting loads Bulldozer hnathawh laiin radial load (shaft-a self weight, shaft-a self weight, gear meshing-a radial force ang chi) leh axial load (bulldozer shovel-a thrust-in a siam chhuah axial force ang chi) te chu phur la, load chu shell emaw frame emaw-ah transmit la, shaft body direct deformation chu force hnuaiah a awm lo ang.
A hman dan tlangpui .
Bulldozer-te an thawh lai hian (lei khauh tak nawr emaw, tlang chhip lawn emaw ang chi), bearings te hian impact load lian tak tak (ton 10 aia tam driving wheel bearings-a load instantaneous load ang chi) an tuar a ngai a, chuvangin bearing coefficient sang tak nei bearings (tapered roller bearings leh an improvering as an impact bears as) te chu thlan a ngai a ni. roller material tihchakna.
2. anti pollution leh sealing .
Hnathawhna hmun chu leivut leh muddy a ni a, bearings te hi sealing components (opil seal leh dust cover ang chi) nen hman dun a ngai a ni:
Exposed parts (track drive wheel bearings ang chi) chuan double lip oil seal leh dust covers a mamawh a, chu chuan mud leh sand chu raceway-ah a luh loh nan a veng thei a (impurities hian bearings "abrasive wear" a thlen thei a, an dam chhung chu 50) aia tam a ti tlem thei).
Gearbox chhunga bearings te hi gear oil lubrication leh sealing ah an innghat a, gearbox chu leak free a nih leh nih loh enfiah a ngai a ni.
3. Lubrication leh heat dissipation .
High speed rotating bearings (Gearbox spindle bearings ang chi) chuan gear oil hmanga forced lubrication a mamawh a, chu chu frictional heat (temperature sang avanga grease failure awm loh nan) paih chhuah nan
Low Speed Heavy-Duty bearings (bucket pin roller bearings ang chi) te chu grease nen (darkar 200 danah vawi khat) lubricate fo tur a ni a, oil film siam tur leh friction tihziaawmna tur a ni.
·Hrehawmna: Lungpui a tlak avanga supporting wheel bearings a thlen hma loh chuan. Chhanna dik:
Tapered roller bearings row thum (load 50% a sang-bearing capacity a awm) hman a ni.
Roller logarithmic curve optimization (stress distribution inthlauhna) .
Upgrade lubricating grease to fully synthetic lithium based grease (drip point>260℃) a ni.
2. Wetland sakna boruak:
·Challenge: Tui/sediment intrusion avanga sealing hlawhchhamna · Design thar:
A rilru a buai em em a, a rilru a hah em em bawk a.
Bearing seat-ah hian drainage channel dah la (Caterpillar D6T design ang chi)
3. High-a hnathawh-Altitude region hrang hrang:
·Pain Point: Temperature hniam -50℃C chuan grease a ti nghet thei. Countermeasure:
Pre filled low-temperature grease chu bearings atan a ni (, -60℃C ah pawh a la luang thei tho)
High toughness bearing steel (charpy impact energy 100J aia tam emaw a tlukpui emaw) thlang rawh.
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Inquiry thawn rawh .
