Clutch
Tài liệu CLUTCHES AND BRAKES Design and Selection
... One-Way, and Detent Clutches 191I. Centrifugal Clutches 191II. One-Way Clutch: The Spring Clutch 197III. Overrunning Clutches: The Roller Clutch 199IV. Overrunning Clutches: The Sprag Clutch 206V. Torque ... Eddy-CurrentBrakes and Clutches 125I. Theoretical Background 126II. Magnetic Particle Brakes and Clutches 130III. Hysteresis Brakes and Clutches 132Contentsx IV. Eddy-Current Brake...
Ngày tải lên: 20/10/2012, 09:58
Clutches and brakes design and selection P1
... flexibleenoughtobewovenandprocessedastextiles,soKevlarbrakelinings andclutchfacingsareavailableineitherwovenornonwovenforms.Theyare usedalongwithproprietarypolymerbindersinthemanufactureofbrake liningsandclutchfacingsforbothwet(oilbath)anddryclutchapplications. ... ,whichexplicitlyshowsthephysicalquantities involved,asinFigure3. Thesecondrelationthatmaybeusedbybrakeandclutchlining manufacturer...
Ngày tải lên: 09/11/2013, 03:15
Tài liệu Clutches and brakes design and selection P4 pdf
... Inc. sothebrakingtorquebecomes T¼Ap max r 2 w Z u 2 u 1 cosudu¼Ap max r 2 wðsinu 2 Àsinu 1 Þð1-4Þ IndesignsdifferentfromthoseshowninFigure1itmayprove convenienttohavetheshoepivotedaboutapointataradialdistanceRon theaxisofsymmetry,suchaspointAinFigure4.ThemomentM p duetothe pressureontheliningiszeroaboutpointAbecauseofthesymmetryofthe shoeaboutthispoint.NosuchsymmetryexistsforthefrictionmomentM...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P5 docx
... Inc. Evaluationoftheseintegralsiseasiestforbrakepadswithradialand circularboundaries,asinFigure4,forwhichequation(1-4)and(1-5)maybe writtenusingadummyvariablefas F¼p max r i Z A 1 r da¼p max r i Z r 0 r i Z u 0 dfdrð1-6Þ ¼p max r i uðr 0 Àr i Þ and T¼Ap max r i Z A da¼Ap max r i Z r o r i rdr Z u 0 df ð1-7Þ ¼Ap max r i u 2 r 2 o Àr 2 i ÀÁ Fromequation(1-7)wefindthatforthepressuredistributiongi...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P6 ppt
... friction coefficients, A, indicated. Cone Brakes and Clutches 119 Copyright © 2004 Marcel Dekker, Inc. Example3.3 Calculatethechangeintorqueandintheliningpressureduetowearforthe clutchinExample3.1andthebrakeinExample3.2forliningthicknessesof 0.125in.andliningwearof0.05in.LetyinFigure9representthethickness thathasbeenwornaway.Considerthatliningwearmaybeaslargeas0.5 mmfortheclutchinExample3.1an...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P7 pdf
... Inc. SimplatrolDanaproducesasmall-capacity(under8oz-in.)unitde- signedtohaveanadjustabletorquerangeandtousetheconstructionsim- ilaritiesbetweeneddy-currentandhysteresisbrakes/clutches.InittheIMand OMarereplacedbyapermanent-magnetdiskandeitheraneddy-currentor hysteresisdisk.Torquecapacitymaybeadjustedbymeansofthefluxgate placedbetweenthem,asshowninthebrakeversioninFigure18.Manual rotationofthefl...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P8 ppt
... the brake or clutch. Although the energy considerations are independent of the particular brake /clutch design involved, the resulting formulas may be used to compare various brake /clutch design ... Inc. Finally,afterexpansionoftheexponentialinequation(3-14)accord- ingto e x À1¼xþ x 2 2! þ x 3 3! þ x 4 4! þ::: andsettingx=ct 2 /J,weseethat,ifcissmallenoughforc 2 tobenegligible comparedtoc...
Ngày tải lên: 17/12/2013, 11:15