ANTI-LOCK BRAKES potx

... Controlled together.  D Not controlled  D . Not controlled ANTI LOCK BRAKES ANTI - LOCK BRAKES ANTI LOCK BRAKES ANTI - LOCK BRAKES  A three (3) channel ABS system control the rear wheel to g ether ... 0%  A lock-up wheel will have a wheel slippage of 100% of 100% ANTI LOCK BRAKES ANTI - LOCK BRAKES  ABS, (Anti-Lock brake system)  ABS allows the driver to maintain...

Ngày tải lên: 06/07/2014, 11:20

... standard. Field perform- Friction Materials 9 2 Band Brakes Band brakes are simpler and less expensive than most other braking devices, with shoe brakes, as perhaps their nearest rival. Because of ... Figure 7 for steel brakes with sintered linings shows a change in A from a midrange value of about 0.25 to a midrange value of about 0.14, for a change of 44%. However, carbon–carbon br...

Ngày tải lên: 20/10/2012, 09:58

... Inc. indicatesachangeinAfromapproximately0.45toapproximately0.07,fora changeof84.4%.Incontrasttothis,Figure7forsteelbrakeswithsintered liningsshowsachangeinAfromamidrangevalueofabout0.25toamidrange valueofabout0.14,forachangeof44%.However,carbon–carbonbrakes arelighterthansteelbrakesandcanbemadefromasinglematerial[11]. F.OtherProprietaryMaterials Frictionmaterialsproducedbymostmanufacturersar...

Ngày tải lên: 09/11/2013, 03:15

... pressure upon the lining. Band Brakes 23 Copyright © 2004 Marcel Dekker, Inc. 2 BandBrakes Bandbrakesaresimplerandlessexpensivethanmostotherbrakingdevices, withshoebrakes,asperhapstheirnearestrival.Becauseoftheirsimplicity, theymaybeproducedeasilybymostequipmentmanufacturerswithout havingtopurchasespecialequipmentandwithouthavingtousefoundryor forgingfacilities.Onlytheliningmustbepurchasedf...

Ngày tải lên: 17/12/2013, 11:15

... Inc. shoeisstronglydependentonthewidthofthepressuremaximuminthe vicinityoftheadjustinglink,themagnitudeofthebrakingtorquecontributed bythesecondaryshoedoesnotchangequiteasrapidlyasthechangeinthe liningpressureatthetoe. VII.ELECTRICBRAKES Commonusagehasassociatedthetermelectricbrakeswithfrictionbrakes whichareelectricallyactivated,ratherthanwiththosebrakesthatrelyupon electricalandmagneticforc...

Ngày tải lên: 17/12/2013, 11:15

... a Linearly Acting External and Internal Drum Brakes 81 Copyright © 2004 Marcel Dekker, Inc. 4 LinearlyActingExternalandInternal DrumBrakes Linearlyactingdrumbrakesarethosefittedwithshoeswhich,whenacti- vated,approachthedrumbymovingparalleltoaradiusthroughthecen- teroftheshoe.TypicallinearlyactingdrumbrakesareillustratedinFigures 1–3. Analysisoflinearlyactingbrakesincludesthoseinwhichthecentr...

Ngày tải lên: 17/12/2013, 11:15

... diskbrakes,whichconsistoftwodisksseparatedbyradialvanes,sothat additionalcoolingsurfaceisprovided,asshowninFigure7. Ventilationalsoincreasesbrakelife,asimpliedbytherepresentative brakepadlifeasafunctionofthesurfacetemperatureasgiveninFigure8, wherethelongestlifeisrealizedforthatpadandcalipercombinationwhich providesthelargestheatsink,showninFigure9andtheshortestlifeforthat withthesmallestheat...

Ngày tải lên: 17/12/2013, 11:15

... for the friction coefficients, A, indicated. Cone Brakes and Clutches 119 Copyright © 2004 Marcel Dekker, Inc. 6 ConeBrakesandClutches Thesebrakeshavetheadvantageofgreatertorqueforasmalleraxialforce thaneithertypeofdiskbrakediscussedinChapter5.Themagnitudeofthe improvementislimited,however,bytheobservationthatforsmallcone anglesadisengagementforcemayberequired,dependingonthefriction coefficie...

Ngày tải lên: 17/12/2013, 11:15

... Eddy-Current Brakes 143 Copyright © 2004 Marcel Dekker, Inc. IV. EDDY-CURRENT BRAKES AND CLUTCHES Construction of eddy-current brakes is physically similar to that of hysteresis brakes. The essential ... coil. Magnetic Particle, Hysteresis and Eddy-Current Brakes 127 Copyright © 2004 Marcel Dekker, Inc. II.MAGNETICPARTICLEBRAKESANDCLUTCHES Thesebrakesareavailableinarangeofsizesthatin...

Ngày tải lên: 17/12/2013, 11:15

... Inc. theannularcaliperandannulardiskbegivenbyequation.Accordingly,eval- uatetheformulas T¼p max wr 2 o ð1Àe ÀAf Þð8-7Þ forabandbrake, T¼2Ap max wr 2 o sin f o 2  ð8-8Þ foreithertwoopposinginternalorexternallinearlyactingbrakeshoes, T¼2Ap max r 3 o 3 ffiffiffi 3 p f o ð8-9Þ fortwoopposingdiscbrakepads,eachsubtendingangleB o ,and T¼4kAp max r 3 o 3 ffiffiffi 3 p ð8-10Þ fortwocompleteannularpadsinwhichB o...

Ngày tải lên: 17/12/2013, 11:15