7/17/2019 حسابات فرامل السياره
http://slidepdf.com/reader/full/-563dba15550346aa9aa2905b 1/1
حسابات فرم لسيا
Tangential force between pad and rotor (Inner face),
FTRI
FTRI = μ1.FRI
Where, FTRI = Norm! "or#e $e%&ee' () $r*e+') Ro%or I''er-
μ1 = oe""/#/e'% o" "r/#%/o' = 0.
FRI = 2 m3 4 5 6 + () $r*e re
7o, FTRI = μ1.FRI
FTRI = 0.-0.-16108 N4m5- 50006108 m5-
FTRI = 00 N.
Brake Torque (TB) –
W/%h %he 99:m(%/o' o" e;:! #oe""/#/e'%9 o" "r/#%/o' ')
'orm! "or#e9 FR o' %he /''er ') o:%er "#e9<
T = FT.R Where T = r*e %or;:e
μ = oe""/#/e'% o" "r/#%/o'
FT = To%! 'orm! "or#e9 o' )/9# $r*e,
= FTRI > FTR?
FT = 1000 N.
R = R)/:9 o" ro%or )/9#.
7o, T = 1000- 150610@A-
T = 150 N.m
3.3 Brake Ditance (!) –
We *'o& %h% %'Be'%/! $r*/'B "or#e #%/'B % %he (o/'%
o" #o'%#% o" %he $r*e, ')Wor* )o'e = FT. 3 ..................C;:%/o' +-
Where FT = FTRI > FTR?
D = E/9%'#e %re!!e) /' me%er- $G %he eh/#!e
$e"ore /% #ome %o re9%.
We *'o& */'e%/# e'erBG o" %he eh/#!e.
H/'e%/# e'erBG = m5- 4 5 ................C;:%/o' -
Where m = 99 o" eh/#!e
= Je!o#/%G o" eh/#!e