UNIVERSIDAD NACIONAL JOSÉ FAUSTINO SÁNCHEZ CARRIÓN FACULTAD DE INGENIERÍA INDUSTRIAL, SISTEMAS E INFORMÁTICA ESCUELA ACADÉMICA PROFESIONAL DE INGENIERÍA INDUSTRIAL
SEMINARIO DE PROBLEMAS DE INGENIERIA
TEMA: INFORME TÉCNICO SOBRE EL ESTUDIO DE TIEMPOS DEL ENSAMBLADO DE BOTONERAS EN EL LABORATORIO DE INGENIERIA DE MÉTODOS – UNJFSC.
ALUMNOS: •
GERVACIO VERAMENDI, JUNIOR
•
MORENO LICITO, RICHARD
•
CHAVEZ GONZALES, MIGUEL
•
PASTOR MONTALVO, LUIS
PROFESOR: ARIAS PITTMAN, JOSÉ AGUSTO
CICLO: X AÑO 201 – II
PRESENTACIÓN E! "#$%$&'$ '#()(*+ #$+"-!( !( -&+#/(-& +)'$&-( $& $! !()+#('+#-+ $ I&$&-$#3( $ M4'++% $ !( (5!'( $ I&$&-$#3(, $& !( 5&-6$#%-( N(-+&(! J+%4 F(5%'-&+ S7&8$9 C(##-&
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
INTRODUCCIÓN
2
U&( )+'+&$#( $% 5& +&*5&'+ $ )+'+&$% + -&'$##5"'+#$% ;5$, 5&( 6$9 -&%'(!(+ $&'#+ $ 5& ()-&$'$, '()!$#+ + 5(!;5-$# +'#+ %-'-+ "$#/-'$ '$&$# 5& 7-! ($%+ : 6-%'( $&$#(! $ !+% /(&+% ;5$ /+--(& $! +/"+#'(/-$&'+ $ (!=& "#+$%+ /$-(&'$ 4! $&6- $ 5&( %$(!, $&$#(!/$&'$ $!4'#-(, : (-+&(& + $%('-6(& -$#$&'$% $!$/$&'+%. E! $%'5-+ $ '-$/"+% $% 5&( 8$##(/-$&'( $ !( -&$&-$#3( ;5$ &+% "$#/-'$ $'$#/-&(# -&-(+#$% +/+ !( $--$&-(, "#+5'-6-(, $ -&('-6-(, 6$!+-( $ "#+5-&< "+# $!!+ #$%5!'( /5: -/"+#'(&'$ $& '+( $/"#$%(. E& !+% %-5-$&'$% "(%+% %$ $%#-)-#7& !+% "#+$%+% $! $&%(/)!$ $ !( )+'+&$#(, "#+$%+% $& !+% 5(!$% %$ $'$'(#+& -6$#%+% "#+)!$/(%, %-$&+ $! /7% #$%(!'(&'$ $! "#+)!$/( $'$'(+ $& $! (&(!-%'( ;5$ &+ $%'56+ (! 100 +&$&'#(+. L+% #$%5!'(+% &+ %$ "5$$& +)'$&$# :( ;5$ !+% '-$/"+% +)%$#6(+% $%'7& $##(+% "+# "(#'$ $! (&(!-%'(.
OBJETIVOS
Obje!"# Ge$e%&'
C(!5!(# $! '-$/"+ $ -!+ $! $&%(/)!(+ $ !( )+'+&$#(, #$(!-9(+ $& $! !()+#('+#-+ $ /4'++%, F(5!'( $ I&$&-$#3( – UNJFSC. Obje!"#( E()e*+!*#( D$%#-)-# $! "#+$%+ $! $&%(/)!(+ $ !( )+'+&$#(, ("#$&-+ $& $! !()+#('+#-+ $ /4'++%, F(5!'( $ I&$&-$#3( – UNJFSC. C(!5!(# $! '-$/"+ &+#/(! $! $&%(/)!(+ $ !( )+'+&$#(, #$(!-9(+ $& $! !()+#('+#-+ $ /4'++%, F(5!'( $ I&$&-$#3( – UNJFSC. C(!5!(# $! '-$/"+ $%'7&(# $! $&%(/)!(+ $ !( )+'+&$#(, #$(!-9(+ $& $! !()+#('+#-+ $ /4'++%, F(5!'( $ I&$&-$#3( – UNJFSC.
MARCO TEORICO ESTUDIO DE TIEMPOS DEFINICIÓN E%'5-+ $ T-$/"+% : M+6-/-$&'+% $% 5&( '4&-( $ /$--& $! '#()(*+ $/"!$(( "(#( #$-%'#(# !+% '-$/"+% : #-'/+% $ '#()(*+ +##$%"+&-$&'$% ( !+% $!$/$&'+% $ 5&( '(#$( $-&-(, $$'5(( $& +&--+&$% $'$#/-&((% : "(#( (&(!-9(# !+% ('+% ( -& $ (6$#-5(# $! '-$/"+ #$;5$#-+ "(#( $$'5(# !( '(#$( %$=& 5&( &+#/( $ $*$5-& "#$$%'()!$-(.
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
OBJETIVO DEL ESTUDIO DE TIEMPOS L+% "#-&-"(!$% +)*$'-6+% $! $%'5-+ $ '-$/"+% %+& M-&-/-9(# $! '-$/"+ #$;5$#-+ "(#( !( $*$5-& $ '#()(*+% $!-/-&(&+ !+% '-$/"+% +-+%+% : $'$#/-&(&+ !(% +"$#(-+&$% $!$/$&'(!$% "(#( $*$5'(# $! '#()(*+. C+&%$#6(# !+% #$5#%+% : /-&-/-9(& !+% +%'+% E$'5(# !( "#+5-& %-& "$#$# $ 6-%'( !( -%"+&-)-!-( $ $&$#4'-+% + $ !( $&$#3( P#+"+#-+&(# 5& "#+5'+ ;5$ $% (( 6$9 /7% +&-()!$ : $ (!'( (!-(
TÉCNICAS PARA EL ESTUDIO DE TIEMPOS L(% "#-&-"(!$% '4&-(% ;5$ %$ $/"!$(& $& !( /$--& $! '#()(*+ %+& Estudio de Tiempos
Cronometraje
Muestreo de Trabajo
Tiempo Predeterminado
Tiempo Estándar
CRONOMETRAJE Incremento en la Productividad
E& $! $%'5-+ $ '-$/"+% %$ 5'-!-9( 5& #+&/$'#+ 5 +'#+ -%"+%-'-6+ $ +&'#+! ( -& $ $'$#/-&(# $! '-$/"+ $('+ #$;5$#-+ "(#( 5/"!-# 5&( %$#-$ $%"$3-( $ '(#$(%. E! '-$/"+ #$%5!'(&'$ %$ (*5%'( "+# ('-( : +'#+% /7#$&$% $ '+!$#(&-( : !5$+ %$ +&6-$#'$ $& 5& $%'7&(# $ '-$/"+.
PASOS PARA LA MEDICIÓN CON CRONÓMETRO (@ O)%$#6(# 6(#-(% 6$$% $! $%$/"$+ $ (!5-$& $& $! #5"+ %$!$-+&(+ $ '(#$(%. D-6--# !(% '(#$(% $& 5&( %$#-$ $ $!$/$&'+%. P(#( (( $!$/$&'+, +)'$&$# + #$(!-9(# 5&( $%#-"-& +/"!$'( $ ;54 $)$ 8($#%$ : /+ $)$ 8($#%$. )@ C#+&+/$'#(# $! '-$/"+ $ 5& '#()(*(+#. R$+"-!(# 5&( %$#-$ $ +)%$#6(-+&$% -&--(!$%.
A&(!-9(# $! #-'/+ $! '#()(*(+# $& ((
+)%$#6(-&.
( ) { 12
Número Prelimiar de Observaciones n
=
−
30
}
@ C(!5!(# $! &=/$#+ $ -!+% $ '#()(*+ ;5$ $)$& #+&+/$'#(#%$ "(#( (( $!$/$&'+ $ '#()(*+. @ R$(!-9(# $! &=/$#+ #$;5$#-+ $ +)%$#6(-+&$%. A&(!-9(# $! #-'/+ $! '#()(*(+# $& (( +)%$#6(-&. C(!5!(# $! '-$/"+ &+#/(! "(#( (( $!$/$&'+ $! '#()(*+. Números de Observaciones ( N )=
[ ] 2. s .t
2
I
I K 2 TM K P#$-%-& TM K T-$/"+ M$-+ ?T-$/"+ O)%$#6(+@ S K D$%6-(-& $%'7&(# T K T S'5$&' S- N &, $&'+&$% $! $%'5-+ $% -&%5--$&'$. $@ C(!5!(# $! '-$/"+ $%'7&(# "(#( (( $!$/$&'+ $! '#()(*+ : "(#( (( %$#-$ +/"!$'( $ '(#$(% TIEMPO OBSERVADO
E% $! '-$/"+ "#+/$-+ ;5$ -&6-$#'$ 5& '#()(*(+# $& #$(!-9(# 5&( $'$#/-&(( +"$#(-& ;5$ $% /$-( +& 5& #+&/$'#+ $& $! "5$%'+ $ '#()(*+.
TIEMPO NORMAL E% $! '-$/"+ ;5$ -&6-$#'$ 5&( "$#%+&( $& #$(!-9(# 5&( $'$#/-&(( +"$#(-& "$#+ '#()(*(&+ ( #-'/+ &+#/(!. TN =¿ x FV
TN K T-$/"+ N+#/(! TO K T-$/"+ O)%$#6(+ FV K F('+# $ V(!+#(-& S$ '-$&$ ;5$ 6(!+#(# !( ('5(-& $! '#()(*(+# : $%+ &+% ( $! +&$"'+ $ #$&-/-$&'+. U'-!-9(#$/+% !( '()!( $%'-&8+5%$, ;5$ +&%-$#( 5('#+ (%"$'+% 8()-!-(, $%5$#9+, +&--+&$% : +&%-%'$&-(.
TIEMPO ESTÁNDAR E% $! '-$/"+ (%-&(+ ( 5&( +"$#(-& #$(!-9(+ "+# 5& '#()(*(+# (!--(+ )(*+ +&--+&$% &+#/(!$% +&%-$#(&+ %5"!$/$&'+%. TS =TN ( 1 + S )
S K S1 S2 S1KS ) V S ) K S5"!$/$&'+% )(%$ "+# ('-( V K A B C D E F G H I J ?S5"!$/$&'+% 6(#-()!$%@ S2K S5"!$/$&'+% "+# &$$%-($% "$#%+&(!
%$MUESTREO DE TRABAJO E% 5&( '4&-( $& !( 5(! %$ #$(!-9( 5& #(& &=/$#+ $ +)%$#6(-+&$% ( 5& #5"+ $ /7;5-&(%, "#+$%+% 5 +"$#(#-+% 5#(&'$ 5& "$#-++ $ '-$/"+. C(( +)%$#6(-& #$-%'#( !+ ;5$ $%'7 +5##-$&+ $& $%$ -&%'(&'$, : $! "+#$&'(*$ $ +)%$#6(-+&$% #$-%'#(+ "(#( 5&( ('-6-( "(#'-5!(# + $/+#( $% 5&( /$-( $! "+#$&'(*$ $ '-$/"+ 5#(&'$ $! 5(! $%'( ('-6-( + $/+#( +5##$&. E! "+#$&'(*$ $ '-$/"+ $-(+ ( 5&( ('-6-( "(#'-5!(# %$ $%'()!$$ ( "(#'-# $ 5& &=/$#+ $ +)%$#6(-+&$% #$(!-9((% (! (9(#.
PROCEDIMIENTO DEL MUESTREO DE TRABAJO >
(@ D$'$#/-&(# $! +)*$'-6+% $%(##+!!(# Q Q Q
H(!!(# $! "+#$&'(*$ $ &$$%-($% "$#%+&(!$% H(!!(# $! "+#$&'(*$ $ ('-6-( $! '#()(*(+# H(!!(# $! T-$/"+ E%'7&(#
)@ D$'$#/-&(# $! &=/$#+ "#$!-/-&(# $ !$'5#( ?&@ n { 200 1000 obs ) =
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( FV ) ( actividad ) ( Totalhoras de jornada) Produccin de la jornada
DESCRIPCION DEL PROCESO DEL ENSAMBLADO DE LA BOTONERA -. PASO -: PRIMER MODULO DE ALIMENTACION ELECTRICA E& $%'$ "(%+ %$ +!+( $! "#-/$# /5!+ $ (!-/$&'(-& $!4'#-( + '(/)-4& !!(/(+% )!+;5$% $ +&'('+%.
/. PASO /: SEGUNDO MODULO DE ALIMENTACION ELECTRICA E& $%'$ %$5&+ "(%+ %$ +!+( $! %$5&+ /5!+ $ (!-/$&'(-& $!4'#-( + '(/)-4& !!(/(+% )!+;5$% $ +&'('+%.
0. PASO 0: TERCER MODULO DE ALIMENTACION ELECTRICA
E& $%'$ "(%+ %$ +!+( $! %$5&+ /5!+ $ (!-/$&'(-& $!4'#-( + '(/)-4& !!(/(+% )!+;5$% $ +&'('+%.
1. PASO 1: PRIMER OPERADOR 2 EL ANILLO DE MONTAJE A;53 %$ +!+( $ +#/( /(&5(! $! )+'& 6$#$ !!(/(+ +"$#(+# : %$ (*5%'( +& $! (&-!!+ $ /+&'(*$.
3. PASO 3: SEGUNDO OPERADOR 2 EL ANILLO DE MONTAJE E& $%'$ "(%+ %$ +!+( $ +#/( /(&5(! $! )+'& N$#+ !!(/(+ +"$#(+# : %$ (*5%'( +& $! (&-!!+ $ /+&'(*$.
4. PASO 4: TERCER OPERADOR 2 EL ANILLO DE MONTAJE E& $%'$ "(%+ %$ +!+( $ +#/( /(&5(! $! )+'& R+*+ !!(/(+ +"$#(+# : %$ (*5%'( +& $! (&-!!+ $ /+&'(*$.
5. PASO 5: ENSAMBLAR LAS DOS PARTES DE LA BOTONERA E& $%'$ "(%+ %$ *5&'(& !( "(#'$ $! /5!+ $ (!-/$&'(-& $!4'#-( : $! +"$#(+#.
6. PASO 6: ENTORNILLAR LA BOTONERA S$ +!+( !+% '+#&-!!+% +&$ +##$%"+&$ : %$ "#+$$ ( (*5%'(# +& 5&( 8$##(/-$&'(.
CALCULOS DEL ESTUDIO DE TIEMPOS
10
CONCLUSIONES L( '+/( $ '-$/"+% "+# "(#'$ $! (&(!-%'( $%'7& $##((%, :( ;5$ !+% '-$/"+% $%'7& $/(%-(+% -%"$#%+%. E! $%'5-+ $ '-$/"+% 5!/-&+ $& $! &5$6+ '-$/"+ /$-+, :( ;5$ !( +"$#(-& , +"$#(-& > : !( +"$#(-& '-$&$& +/+ #$%5!'(+ 0 : &+ $% "+%-)!$ +&'-&5(#.
11
RECOMENDACIONES
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ANE7O A$e8# -: T()!( $ $%'-&8+5%$ HABILIDAD
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ESFUERZO
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