Tài liệu CLUTCHES AND BRAKES Design and Selection
Tài liệu CLUTCHES AND BRAKES Design and Selection
... and Eddy-CurrentBrakes and Clutches 125I. Theoretical Background 126II. Magnetic Particle Brakes and Clutches 130III. Hysteresis Brakes and Clutches 132Contentsx IV. Eddy-Current Brakes and Clutches ... Collection 81Chapter 5 Dry and Wet Disk Brakes and Clutches 83I. Caliper Disk Brakes 84II. Ventilated Disk Brakes 91III. Annular Contact Disk Brakes an...
Ngày tải lên: 20/10/2012, 09:58
Tài liệu Clutches and brakes design and selection P6 ppt
... Inc. II.FOLDEDCONEBRAKE Prototypeconebrakeshavebeendesignedandtestedforarangeofvehicle sizes,fromtractorsandtrailerstosubcompactautomobiles[1].Boththelarge andsmallsizesusedafoldedconedesign,asillustratedinFigures 5and6 , eachwitha=27j.Althoughtheconebrakehasfewerpartsthandrum brakes, thisadvantagemustbebalancedagainstthedisadvantageofrequiring anoutboardwheelbearing. Analysisofthefoldedcone...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P7 pdf
... Inc. Beyondthispointthetorquedecreasesrapidly,asshownintheslip torqueversusspeedcurveinFigure13(a).ComparisonwithFigure13(b) correctlyimpliesthattheshapeofthedecreasing-torqueportionofthecurve totherightofthecriticalpointreflectsboththechangeinthehysteresisloop withincreasingtemperatureandtheheattransfercharacteristicsofthe coolingsystem(i.e.,whetherairorliquidandthetemperatureandvelocity ofth...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P8 ppt
... ! ¼6:344lb-ftð6-6Þ ¼76:130lb-in: wheren i =1/5.488fortheendrollersandn i =1/1.254fortheintermediate rollers. Ifthebrakehadbeenmountedoneitheroftheendrollershafts, equation(6-6)wouldhavebeenreplacedby T¼ 4:114 0:1553 " 2ð0:0759Þþ20ð0:000556Þð4:375Þ 2 þ 230 32:2 4:375 12 2 # ¼34:811lb-ftð6-7Þ andthebrakingtorquerequirementwouldhavebeenn=5.488timeslarger thanthatfoundbyequation(6-6).This...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P9 ppt
... 1 and 2 30j between detents 2 and 3 130j between detents 8 and 3 and that the angular separation between detent centers 1 and 5 is given by 25j between detents 1 and 2 30j between detents 2 and ... detents 3 and 4 40j between detents 4 and 5 130j between detents 1 and 5 The second instance occurs when balls 8 and 1 engage detents 1 and 5, where ball centers 8 and 1 a...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P10 pdf
... Inc. Thistypeofdriveisaninexpensivealternatetobevelgearsforaright- angledrive,aclutch,andareversingmechanism. Whentheright-handconeinFigure8ismoveddownwardtocontact theupperhalfofthedoubleconeandtheleft-bandconeismovedupwardto contactthelowerhalfofthedoublecone,boththeleft-andright-handcones rotateinthesamedirection.Iftheright-andleft-handconesdrivetheright- andleft-handwheelsofalawnmower,the...
Ngày tải lên: 17/12/2013, 11:15