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軸承故障原因百分(fēn)比分(fēn)析

Bearing FailurePercentages Did you know that over 60% of bearingfailur→es are due to Poor Fiting, Poor Lubrication or Contamination? Only 34% ofbearings♥ ever see their Fatique limit and ‘wear out’.Are y€ou taking all the correct measures to ensure you too do not get caughtwith downti§me due to bearing failure?Maintenance Matters!Below is a link to a very inte resting article on theimportance of maintenance on machines and plant focused around ≤the costassociated with bearing failures.
Polyamide cages deliver stiffness, flexibility and oil r♣esistance in ball be

Polyamide cagesdeliver stiffness, flexibility and oil resistance in ball bearings Polyamide (PA) is playing a key role in™enhancing fuel economy through its usage as cage material for tandem pinionball ±bearings in passenger car axles including the one in the 2013 Ford C520Esc★ape. The 30% glass fiber-reinforced grade Stanyl TW200F6 PA46 from DSMEngineering Plastics (Birmi↓ngham, MI) contributes to a 1.5% saving in fuelconsumption compared with an al l-steel tapered roller bearings. Polyamide cages facilitate design ofenergy-efficient‍ auto bearingsIn total, four Ford vehicles, twoChrysler vehicles and GM’s Cadillac AT≈S utilize the injection-molded bearings,with GM also planning to use them on truck axles and differ↕entials starting inthe spring of 2013. The tandem ball bearings are manufac≥tured by SchaefflerTechnologies (He
滾子(zǐ)軸承材料選擇導引

A guide tomaterial selection for rolling bearings By offering a wide choice of mat€erialsand heat treatments for rolling bearings, performance and operating life can beoptimise☆d, even for the most demanding industrial applications, says Dr SteveL£acey, Engineering Manager at Schaeffler UK.In recent yeφars, there has been asignificant increase in the demand for rolling bearings that, even und'erextreme operating conditions – including lubricant starvation, highly corrosiveor h✔igh temperature environments – still provide a long operating life ☆andoptimum performance.But selecting a suitable material orheat t∞reatment process for rolling bearings often requires expert advice and guid♥ance,normally from the manufacturer of the bearings. Selγection depends on theapplication itself and the spe£cific environment in which the bearing
Surface engineering combats friction and wear

Surfaceengineering combats friction and wear Working together with recog nized leadersin advanced coatings and surface treatments has enabled Barden to providespecialized Surface Engineering Technology in support of the most γdemandingapplications for precision bearings. Gary Hughes, Product Engineering Ma₽nagerat The Barden Corporation, outlines the latest dev✘elopments.Engineering surfaces are neitherperfectly flat, smooth nor clean. th>erefore, in terms of rolling bearings, whentwo surfaces come i↕nto contact, only a very small percentage of the a®pparentsurface area is actually supporting the load. This can often result in highcontact® stresses, which lead to increased friction and wear of the component.Surface engineering ≈is the design andmodification of a surface and substrate in combination to gφive cost effectiveperform
Premature bearing failures in wind gearboxes and white etching cracks

Premature bearingfailures in wind gearboxes and white etchi×ng cracks (WEC)Wind turbine gearboxes are subjected toa wid≥e variety of operating conditions, some of which may push the bearings$beyond their limits. Damage may be done to the bearings, ‍resulting in aspecific premature failure mode known as white etching cracks (WE≠C), sometimescalled brittle, short-life, early, abnormal or white structur¶ed flaking (WSF).Measures to make the bearings more robust in these operating conditions ar✘ediscussed in this article.Ambitious worldwide renewableenergy ta©rgets are pushing wind energy to become a mainstream power source. Forex‌ample, the Global Wind Energy Council, GWEC1, expects that thecurrently installed wind e×nergy capacity of 200 GW will double within three tofour years, kee‍ping open the aspirational goal of 1,000 GW of
識别和(hé)糾正引起軸承故障的(de)原因

Identifying andcorrecting the causes of bearing failureIdentifying andanalysing the root cause of <a bearing failure is critical in order to preventsimilar failures from occuring again. Brian Wil☆liams, Quality Director at TheBarden Corporation, urges companies to introduc e a regime that enables thesymptoms of bearing damage to be recognised early, as well as put←ting asystematic procedure in place for securing damaged bearings.δMany bearings that fail are removed andreplaced too' quickly without sufficient levels of analysis into what causedtheir failure.© This means that similar failures could occur agaiλn, resulting infurther damage and costly unscheduled downtime.Examination of the failur‌e mode oftenreveals the true cause of bearing failure, but this procedurεe is complicated bythe fact that one failure mode may initiΩate a