proyecto mecanismo de leva

8/18/2019 Proyecto Mecanismo de Leva

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PROYECTO MECANISMO DE LEVA

CRHISTIAN CAMILO VARGAS GRANADOS

CARLOS ROBERTO DUARTE

FUNDACION UNIVERSITARIA LOS LIBERTADORES

FACULTAD DE INGENIERIA

PROGRAMA DE INGENIERIA MECANICA

MECANISMOS

BOGOTA – CUNDINAMARCA

2014


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CONTENIDO

Pág.

INTRODUCCION

1. CONCEPTO DE LEVA 8

1.1. CARACTERISTICAS 9

2. TIPOS DE LEVAS 9

2.1. CLASIFICACIÓN DE LEVAS POR SU FORMA 9

2.1.1. L!" # $%"&'"#( ( $%"&'")*+,. 9

2.1.1.1. L!"& # #*&)(. 10

2.1.1.2. L!"& # $"-(% ( )*'/,#%*)". 10

2.1.1.. L!"& )(,g"#"&. 10

2.1.1.4. L!"& # )"%" ( )%%"#". 10

2.1.2. C'"&*3*)")*(,& # '(& &g*#(%&. 10

. NOMENCLATURA DE LAS LEVAS 11.1. EL DESPLAAMIENTO DEL SEGUIDOR 11

.2. EL DESPLAAMIENTO DE LA LEVA 11

.. EL PERFIL DE LA LEVA 11

.4. PUNTO TRAADOR 11

.5. CURVA PRIMITIVA 11

.6. CIRCULO DE LA BASE 11

.7. CIRCULO PRIMARIO 11

.8. NGULO DE PRESIÓN 11

4. DISEO DE PROTOTIPO 12


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4.1. PROTOTIPO 1

4.2. MATERIALES 1

4.. FORMA DE FUNCIONAMIENTO Y FABRICACION 1

5. CRONOGRAMA 14

BIBLIOGRAFIA 15

FORMULACION DEL PROBLEMA


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E, '" :%&,$ -"$%*" , ' :%(g%"-" # I,g,*%/" M)á,*)" # M)",*&-(&;& #&" #*&:"%" &$ g%:( )(%%&:(,# )(-( ' M)",*&-( # '"& L!"&. E&$ -)",*&-($*, > , :%($($*:( 3,)*(,"' > # &% -(&$%"#( = ?:&$( ",$ ':%(3&(% # '" -"$%*" "' 3*,"' #' :%&,$ &-&$%.


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@USTIFICACION

E&$ :%(=)$( & ") )(, ' 3*, "-:'*"% !"%*(& # '(& )(,()*-*,$(& #"#(& , '")'"& :%&,)*"' # M)",*&-(&; & %"'*" -#*",$ , (%#, > )-:'*%á )(,#(& :"%$&; ," :%*-%" )(-( #()-,$( &)%*$( > &&$,$ ' $%""( $+%*)( =," &g,#" :"%$ # , :%($($*:( 3,)*(,"' ( -">$" > -&$% &3,)*(,"-*,$( )(, -"$%*"'& 3*)*,$& = )"%")$%/&$*)"& #' -)",*&-( )(, &%&:)$*!" &&$,$")*+, :%(:*" # &$ # 3(%-" $+%*)" ( :%('-" " %&('!% -"$-á$*)"-,$.


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OB@ETIVO GENERAL

• D-(&$%"% # 3(%-" ?:%*-,$"' '(& )(,()*-*,$(& :&$(& , )'"& #

M)",*&-(& -#*",$ ' #&"%%(''( # , :%($($*:( # -)",*&-( '!"?:%*-,$"'.

OB@ETIVOS ESPECIFICOS

• I,!&$*g"% ' 3,)*(,"-*,$(; &( = ,"$%"'" # , -)",*&-( # '!";

#-(&$%",#( # &$" -",%" & *-:(%$",)*" , ' $%""( # '" *,g,*%/", ' -,#(.

• D*& 3,)*(, )(, -"$%*"'& #)$*'& =

3*)*,$& :"%" #-(&$%"% && )"%")$%/&$*)"& # -(!*-*,$(; $*:(; )%*$%*(&;'=& = #-á& )(,):$( :%(:*(& #' -)",*&-(.

• T%"""% , g%:( :"%" '" *,!&$*g")*+, # &$ :%(=)$( = ")*" '" ')$%"

# &$(& $-"& # '!".• G"%",$*"% ' , 3,)*(,"-*,$( #' :%(=)$( , 3/&*)( )(, "*'*#"#& #

)(,()*-*,$( , -"$%*"'& # *,g,*%/" = $%-*,(& # ")""#(& #-)",*"#( :"%" &:%3*)*&.

MARCO CONCEPTUAL


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Mecanismo: S(, '-,$(& #&$*,"#(& " $%",&-*$*% =( $%",&3(%-"% 3%"& =(-(!*-*,$(& # , '-,$( -($%* -($(% " , '-,$( )(,#)*#(

%):$(%; )(, '" -*&*+, # :%-*$*% "' &% -",( %"'*"% #$%-*,"#(& $%""(&)(, -"=(% )(-(#*#"# = -,(& &3%(.

Cadena Cinemática: E& , )(,,$( # &'"(,& ,*#(& :(% :"%& )*,-á$*)(&.

Esla!n: U, &'"+, $*, #(& ( -á& :"%& ( '-,$(& # )(,?*+,; :(% -#*(# '(& )"'& & :#, ,*% " ($%(& '-,$(& )(, ' 3*, # $%",&-*$*% 3%" (-(!*-*,$(.

Le"a: E, *,g,*%/" -)á,*)"; ," '!" & , '-,$( -)á,*)( > &$á &$(" , :(% , :,$( > ,( & & ),$%( g(-$%*)(; &*,( , "'"#( # ),$%(.

E, '" -"=(%/" # '(& )"&(& & # 3(%-" (!(*#. E' g*%( #' ") > ' :%3*' ()(,$(%,( # '" '!" $(>; -!"; -: ( )(,)$ )(, ," :*" )(,()*#" )(-(&g*#(%. E?*&$, #(& $*:(& # &g*#(%&H # $%"&'")*+, = # %($")*+,.

Se#$ido%: E' g*%( #' ") > ' :%3*' ( )(,$(%,( # '" '!" $(>; -!";-: ( )(,)$ )(, ," :*" )(,()*#" )(-( &g*#(%.

Moto% de com$sti!n: U, -($(% # )(-&$*+, *,$%,"; -($(% " ?:'(&*+, (-($(% " :*&$+,; & , $*:( # -á>*," > ($*, ,%g/" -)á,*)" #*%)$"-,$# '" ,%g/" >/-*)" # , )(-&$*' > "%# #,$%( # '" )á-"%" #

)(-&$*+,.&%ol de Le"as: U, á%(' # '!"& & , -)",*&-( 3(%-"#( :(% , , ' >& )('()", #*&$*,$"& '!"&; > :#, $,% #*&$*,$"& 3(%-"& = $"-"


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MARCO TEORICO

Dia#%ama de Des'la(amiento

C(, ($( # *,!&$*g"% ' #*&


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INTRODUCCION

E, &$ :%(=)$( & #-(&$%"%" ' 3,)*(,"-*,$( *-:(%$",)*" #' -)",*&-(# L!" , '" *,g,*%/" #' -,#( -(#%,(; '" *-:(%$",)*" # &$ -)",*&-(, -á>*,"& 3,)*(,"'& # '" !*#" #*"%*" )(-( &(, -($(%& # )(-&$*+,;-">*,"& *,#&$%*"'& = -)(& ($%(&.

V%-(& '" 3(%-" , > & $%"$" # #-(&$%"% # 3(%-" ?:%*-,$"' '(&

)(,()*-*,$(& :&$(& , )'"& # -)",*&-(& -#*",$ , #&"%%(''( $+%*)( =, :%($($*:( ?:%*-,$"' = #*& 3,)*(, )(,-"$%*"'& #)$*'& = 3*)*,$&.

L" -$(#('(g/" " $*'*"% &%á # -",%" #*!*#*#" #%",$ $(#( ' &-&$%")"#-*)( > )(-:$ '" :%&,$ -"$%*" # M)",*&-(&; &%á, $%& :"%$& ,'"& )"'& ," :%*-%" & ,$%g"%" , ",$:%(=)$( &)%*$(; ," &g,#" ,$%g")(, "'g,(& "!",)& = -"%)(& %3%,)*"'&; = ," '$*-" ,$%g" # ,

#()-,$( 3*,"' &)%*$( ,$( " , :%($($*:( 3,)*(,"'. T"-*, " '" :"% # ,)%(,(g%"-" & %"'*"%", $"%"& " )-:'*% 3%,$ " '" *,!&$*g")*+,; #*&


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1. CONCEPTO DE LEVA

L"& '!"& &(, -)",*&-(& > :%-*$, )(,!%$*% ' -(!*-*,$( # %($")*+,,*3(%- # ," '!"; #*&:&$" , ' )(,$(%,( # , #*&)( ( &(% ," &))*+,

)*'/,#%*)"; , ($%( -(!*-*,$( :%!*"-,$ &$"')*#(; > & $%",&-*$ " ($%(-*-%( # )"#," )*,-á$*)"J :#*,#( &% ," :"'",)"; ," )(%%#%"; ,"'",)/,; $).

E& , '-,$( # -">*,"%*" #*& & ($*, ' -*&-( -(!*-*,$( , ' (%#, *,!%&( #%",$ ' -(!*-*,$( #


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%$(%,(J &$( & :# !*$"% &* ,!('!-(& '" )


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. NOMENCLATURA DE LAS LEVAS

.1. EL DESPLAAMIENTO DEL SEGUIDORH

E, g,%"' & #3*, )(-( '" :(&*)*+, #' -)",*&-( &g*#(% " :"%$*% # ,:,$( &:)/3*)( #,(-*,"#( )%( ( %:(&(; , %'")*+, )(, ' $*-:( ( )(,"'g," 3%"))*+, #' )*)'( # '" -">*,"%*" #&:'""-*,$( # '" '!" -#*#", 3(%-" ",g'"%.

.2. EL DESPLAAMIENTO DE LA LEVAH

M#*#( , g%"#(& ( -*'/-$%(&; & ' -(!*-*,$( # '" '!" -#*#( # ,:,$( &:)/3*)(; ) ( %:(&(; , %'")*+, )(, ' -)",*&-( &g*#(% #3*,*#(

",$&... EL PERFIL DE LA LEVAH

E& ' )(,$(%,( # '" &:%3*)* # $%""( # '" '!".

.4. PUNTO TRAADORH

E& '" '/," # ),$%( #' %(#*''( ( & >*!"',$. C",#( & $*'*" , &g*#(% :'",(.

.5. CURVA PRIMITIVAH

E& ' 'g"% g(-$%*)( # '" &)&*+, # :,$(& #&)%*$(& :(% ' :,$( $%""#(%;)",#( '" '!" & #&:'"".

.6. CIRCULO DE LA BASEH

E& ' -,(% )/%)'( *,&)%*$( , ' :%3*' # '" '!".

.7. CIRCULO PRIMARIOH

E& ' -,(% )/%)'( *,&)%*$( # '" )%!" :%*-*$*!" = )(, ),$%( , ' ),$%( # '"

'!". E& )(,),$%*)( )(, ' )/%)'( # "& = &:"%"#( # &$ " , %"#*( #'%(#*''( &g*#(%.

.8. NGULO DE PRESIÓNH

E& ' á,g'( ,$% '" ,(%-"' " '" )%!" :%*-*$*!" = '" #*%))*+, *,&$",$á," #'-(!*-*,$( #' &g*#(%.


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4. DISEO DE PROTOTIPO.

4.1. PROTOTIPO

E, :%*-%" *,&$",)*" & :,&+ , %:%(#)*% " -",%" # -">$" ( *,&$%)$*!( #&)"'" #' -)",*&-( # '!" , , -($(% # )(-&$*+, *,$%," )(-( '(&$*'*"#(& , '(& )"%%(&. S #*& & ,)(,$%"%", , ' -%)"#(*,#&$%*"' = > #"%á ,"& :%&,$")*(,& # ")""#( , ' #*&


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"))*(,"#( :(% ," %#" #,$"#" # , -($(% ')$%*)(; &g*#(%& ( !á'!'"&;"'",)*,&; = ," :> &(, -)",*&-(& ?")$(& = )(-:'(& # 3"%*)"% -","'-,$;:%!*"-,$ & #%á, & "%á, #*&


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5. CRONOGRAMA

L"& &*g*,$ ")$*!*#"#& = 3)"& :#, & -(!*#"& :(% )"-*( ?):$"'&:%&,$"#(& " '( '"%g( # , &-&$% ")"#-*)(. L"& 3)"& #"#"& &(, ,&-","& # &$#*( " :"%$*% #' *,*)*( # &-&$% 20142.

Item Acti"idad )ec*a Tiem'oNecesa%io

1 E,$%g" # , ",$:%(=)$( S-"," 5 8 (%"&2 I,!&$*g")*+, #

)"%")$%/&$*)"& =

3,)*(,"-*,$( )"%")$%/&$*)(#' -)",*&-(.

S-"," 6 = 7 8 (%"&

Sg,#" ,$%g" # "!",))(,):$"' = -"%)(& $+%*)(&.

S-"," 10 6 (%"&

4 D*&


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BIBLIOGRAFIA

@OSEP EDQUARD SIGLEY; T(%/" # Má>*,"& = M)",*&-(&; T U,*!&*$=O3 M*)*g",; M") G%" *''; 1998.

CARLOS S. LOPE CA@UN; M)",*&-(& –F,#"-,$(& C*,-á$*)(& :"%" '#*&*,"&; C"%$" E#*)*+,; E#*$(%*"' P"%&(,.

RICARD G.BUDYNAS; D*&

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