Something about Belt drive

wliangzd · 发表于 2013-3-18 22:20:33

经典图书

Ihavereadsomethingaboutbeltdrivethesetwodays.Ihavereviewedbeltdriveinmycollegetextbooknamed《MechanicalDesign》.ForthesakeoflearningMechanicalEnglish,IalsoreadbeltdriveinanEnglishbooknamed《MachineelementsinMechanicalDesign》.IthinkmaybeagoodwaytolearnMechanicalEnglish.SinceyouhavereadtheChineseversionpriortotheEnglishversion,youwillnotfinditdifficulttounderstandthemechanicalphrasesintheEnglishbook.

Summaryisveryimportantwhenyouhavejustlearnedsomething.Andmakingsummariesisaveryimportantsteptohelpyourememberwhatyouhavelearnedfirmly.Iwillmakethisahabitinthefollowingdays.

Beltdrive:

1.Manytypesofbeltsareavailable:flatbelts;groovedorcoggedbelts;standardV-belts;narrowV-belts;doubleangleV-belts;andothers.

2.Advantagesofbeltdrive:

a.Easetheimpactload

b.Operatesmoothlywithlownoise

c.Lowmanufactureandassemblyprecision

d.Overloadprotection

e.Largecenterdistancecanbereached

3.Disadvantagesofbeltdrive:

a.Lowtransmissionefficiency

b.Shortbeltlife

c.Speedratioisnotaccuratebecauseofelasticslip

4.Flatbeltcanbeinanylength.Wecancutitasweneed.Thenweconnectitandtheconnectorsmaymaketheoperationnotsmooth.

5.V-belthasnoconnectors.SowehavetochooseastandardlengthforaV-belt.

6.CogV-beltswhichareappliedtostandardV-groovedsheaveshavealongerlife.Thecogsgivethebeltgreaterflexibilityandhigherefficiencycomparedwithstandardbelts.Theycanoperateonsmallersheaves.

7.Thevalueoftheinitialtensionforceandtheangleofwrapcannotbetoolow.

8.Becauseofelasticslip,theoutputsheavehasalowerspeedthantheinputsheave.

9.Elasticslipwhichcannotbeeliminatedwillcausetheriseoftemperature.

10.V-beltisthemostwidelyusedtypeofallthebelts.

11.NarrowV-beltisbetterthanstandardV-beltanditcantotallyreplacestandardV-belt.

zhangleiand · 发表于 2013-3-19 08:16:16

准三级水准

tanceqi · 发表于 2013-3-19 14:50:58

经典图书

学习学习，谢谢了。

nemo27 · 发表于 2013-3-19 14:57:21

ReadingbooksaboutmachineisexactlyagoodwaynotonlytoimproveEnglishbutalsoourmajor.MyEnglishispoor,lackofpractising.Thisarticalispowerfultome,infactistheauthor.Chase-1987mustbeafantasticguy!hohoho~~~{:soso_e112:}

yu84877995 · 发表于 2013-8-14 08:45:21

经典案例图书

it'sagoodmaterialofmechialenglishstudying.

pyzhangyun · 发表于 2013-8-20 18:03:26

gelivable！

sunchart · 发表于 2013-8-21 14:20:49

经典案例图书

这。。。

wj1978 · 发表于 2013-8-21 15:00:16

谢谢共同学习

fangyq7890 · 发表于 2013-8-28 10:21:01

很厉害

wangxuqing · 发表于 2013-9-2 17:17:25

经典图书

Lord,Inordertocooperatewithyou,IdownloadtheYoudao.thanks

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