FW3-GROUP-2-KOM-Classification of cams.pptx
Transcript of FW3-GROUP-2-KOM-Classification of cams.pptx
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CLASSIFICATION
OF CAMS
SUB:-K.O.M
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CAM Defnition:-
Cams are used to on!ert rotar"motion into rei#roatin$ motion
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%&am#'es O( Cams:-
In IC en$ines to o#erate t)e in'et and e&)aust!a'!es
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C'assifation o( ams:-
Aordin$ to t)e s)a#e:-
*. +ed$e and ,at ams.
. adia' or dis ams./. S#ira' ams.
0. C"'indria' ams.
1. Con2u$ate ams.
3. 4'o5oida' ams.
6. S#)eria' ams.
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Aordin$ to t)e (o''o7er mo!ement:-
*. ise return. 8--9
. D7e''-rise-return-d7e''. 8D---D9
/. D7e''-rise-return-d7e''. 8D--D--D9 Aordin$ to t)e onstraint o( (o''o7er:-
*. re'oaded s#rin$ am.
. ositi!e dri!e am./. 4ra!it" am.
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*.+ed$e and ,at ams.
In t)is am; 7ed$e )as a rei#roatin$motion 7)ereas (o''o7ers )asrei#roatin$ motion.
Continuous ontat 5et7een 7ed$e and(o''o7er is maintained usin$ s#rin$.
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.adia' or dis ams.
In t)is am; (o''o7er mo!es in a#er#endiu'ar #'ane to t)e am s)a(t.
T)is t"#e o( am is 7ide'" used due to its
sim#'iit".
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/.S#eria' ams.
In t)is am; as#eria' $roo!e isreated in dis. T)is
s'ot onsist $earteet). T)e (o''o7erend a'so mes) 7it)t)e teet) o( s#eria'$roo!e $ear teet).
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0.C"'indria' ams.
In "'indria' ams; t)e (o''o7errei#roates or osi''ates in adiretion #ara''e' to t)e ams a&is.
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1.Con2u$ate ams.
T7o "'indria' disare f&ed 7it) someeentriit" and t7o
arm ro''er (o''o7erare in ontat 7it)t7o di
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3.4'o5oida' ams.
T7o t"#es o( t)is ams aordin$ tosur(ae:- Cona!e
Con!e&T)is t"#e o( am is used 7)ere 'ar$e
osi''ation an$'e re>uired.
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6.S#eria' ams.
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ise-eturn. D7e''-ise-eturn-D7e''.
D7e''-ise-D7e''-eturn-D7e''.
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re'oaded s#rin$ am. A om#ression t"#e o( s#rin$ is used to maintained
ontat 5et7een am sur(ae and (o''o7er ti#s.
ositi!e dri!e am. In t)is o( am a s#eia' $roo!e is $enerated in 7)i)
a am end osi''ate or s'ide. T)e (o''o7er mo!ementis 'imited and de#ends on t)e $roo!e o( t)e am.
4ra!it" am. In t)is t"#e o( am-(o''o7er me)anism; ontat
5et7een am and (o''o7er is maintained. T)eintensit" o( ontat is de#end u#on t)e 7ei$)t o((o''o7er.
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