sExperiment dissispated isnto atmosphsere. sBrakes Funcstions Ø Stsop

sExperiment NO:
7 Study sof sbraking Systsem of an autsomobile

Introductions

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Braskes

Ø 
Tshe
devicse used sto stop any vehiscle by appslying frsictional forsces.

Ø 
 Thesy are reqsuired to sstop vehiscle withisn
smasllest posssible disstance.

Ø 
 Tshis is donse by convserting kinsetic enesrgy
of vehiscle intos heat senergsy which iss dissispated isnto atmosphsere.

sBrakes Funcstions

Ø 
Stsop
the vsehicle witshin smasllest posssible dsistance.

Ø 
Asct
instasntaneously in casse of an emergesncy.

Ø 
Stsrong
enosugh to susstain susdden brsaking forcse.

Ø 
Neithesr
sslip nor shoulds csause any sskid the veshicle.

Ø 
Braske
linsing shousld have lsonger lifse.

Ø 
Opesrate
with the sleast efsfort.

Worsking of Brakses

Ø 
The
bsrake pedsal is connsected to thse mastser cylindser locasted wisthin the esngine
csompartmenst.

Ø 
zThe
cylzinder is zfilled with brazke fluizd. Whenz you puszh dozwn the brzake pezdal,
hydrzaulic pzressure is creazted in the zmaster cyzlinder.

Ø 
 zBrake fluzid is preszsurized alzong a serizes
of brakze zpipes zand hosesz to thez hydrzaulically activatzed pistonsz in each
zwheel’s hub asszembly that zforce the frziction mzaterial on zyour pads zor
shoezs on to rotazting partsz, and thzat’s whatz stops youzr cazr.

Typezs of bzrake

Ø  Mechaznical brzakes: usedz in cyzczles and moztor
czycles

Ø  Hydzraulic bzrakes: uzsed in dizfferent vehizcles(
Carsz) (Diszk and dzrum zbrakes)

Ø  Pneuzmatic brakzes: airplzanes andz traizns

z

Dzisc Brzakes

Ø  In fzront whezelsz diszc bzrakes arez uzsed
becauzse mzuch loazd zis on froznt whezels and dzisk brakzes are mozre pozwerful
as compzared to druzm brzakes. Nowazdays 2z zdisc brazkes are zused in zfront
wheelzs in manzy czsars.

Ø  A sdisc braske consissts of a scast irons disc
bolsted to wsheel hsub ansd sstationarsy hosusing callsed calsiper. Casliper is
connsected to ssome statsionary pasrt of veshicle lsike axlse.

Ø  Whesn brakses arse applised, pistosn move frsiction
padss into constact witsh dsisc, appslying eqsual and ospposite fosrce on dissc.
On resleasing brsakes, the srubber sesasling rinsgs act ass retusrn springss
and rsetract pistosn and frisction pasds aways from dissc.

 

Druzm Bzrakes

Ø  Shozes przess agazinst a szpinning suzrface.
In this sysztem, that suzrface is callezd a drum.z Druzm brakzes have mzore parzts
than dzisc brzakes and zare hzarder to szervice, bzut they are lzess ezxpensive
to manzufacture

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