LITTLEFIELD INITIAL ANALYSIS
Submitted By BM: PPC: Group 9 Abhishek Pal: B14003 Harsh Aggarwal: B14145 Manjot Singh Saini: B14152 Prashant Jha: B14160
Introduction he !irt"al #a$tor% #a$tor% see&s si&'le si&'le eno"gh with with 3 workstations workstations !i() St"*ng+ St"*ng+ testing an, t"ning) B"-ers are 'la$e, be#ore e!er% workstation) he n"&ber o# &a$hines in ea$h workstation is ,i-erent an, $arries a ,i-erent $ost)
or!"t#tion 1.St"*ng 2.esting 3."ning
No o$ M#c%ine" 3 1 1
Co"t /0000 0000 100000
Be#ore starting the ga&e we nee, to 'in'oint the areas whi$h wo"l, 'la% a role in &ai&i(ing $ash balan$e
M#&or Deci"ion Are#" A$$or,ing to "s the &ajor ,e$ision areas in the si&"lation will be a) b) $) ,) e)
eor eor,er ,er "an "anti tit% t% eor eor,er ,er 'oin 'ointt Sa#e Sa#ett% Sto Sto$ $k ot si(e Mai Mai&" &"& & n! n!en ento tor% r%
'ey (#ri#b)e" he ke% !ariables that wo"l, wo"l, a-e$t the nal ,e$ision ,e$ision areas in$l",e in$l",e 1) 2) 3) 4) 5) 6) )
S"'' S"''li lier er ea ea, , ti&e ti&e S"'' S"''li lier er lot lot si(e si(e 7"st 7"sto& o&er er 8e&a 8e&an, n, n!entor% n!entor% be#ore be#ore ea$h ea$h o# the the worksta workstations tions 9tili(ati 9tili(ation on o# ea$h workstat workstation ion 7%$ 7%$le ti&e ti&e akt akt ti&e ti&e
;e wo"l, tr% an, 'resent o"r take on these ke% !ariables
Cu"tomer Dem#nd Base, on the n"&ber o# jobs a$$e'te,<,a% a!erage $"sto&er ,e&an, $o&es o"t be 12)24 jobs<,a%) =earl% ,e&an, $an be #ore$aste, to be *9+,-. &ob" taking the n"&ber o# working ,a%s to be 240<%ear)
Dem#nd $or r#/ m#teri#)"
Sin$e the a!erage $"sto&er ,e&an, is 2/3)6 jobs+ an, the n"&ber o# kits re>"ire, in 1 job is 60+ the %earl% ,e&an, #or raw &aterials $o&es o"t to be 0,.*1. !it"
2eorder 3u#ntity n or,er to &ini&i(e $osts+ the ?$ono&i$ or,er >"antit% $an be $al$"late, base, on the %earl% ,e&an, #or raw &aterial @kits) he or,ering $ost $ost &entione, is 1000"antit% that we ha!e ,e$i,e, is 60 kits @12 sa&'les o# lot si(e 60) Fote that this ,i-erent #ro& the reor,er >"antit% &entione, in the si&"lation+ whi$h is 200 kits
2eorder Point he a!erage lea, ti&e o# s"''lier s"''lier has been &entione, as 4 ,a%s) Hen$e+ the the reor,er 'oint &"st be s"$h to as to $o!er the ,e&an, o# 4 ,a%s 7"sto&er ,e&an, #or 4 ,a%s: 12)24 G 44)/6 jobs 8e&an, in ter&s o# n"&ber o# kits: 2/3)6 kits Sin$e lot si(e is 60+ reor,er 'oint to the nearest &"lti'le o# 60: 2/40 kits) his is also ,i-erent #ro& that s'e$ie, in the si&"lation @1440 kits
S#$ety Stoc! he ,e&an, !ariabilit% !ariabilit% #or a 'erio, o# 4 ,a%s ,a%s $an be $al$"late, $al$"late, to be 6)@jobs) 6)@jobs) Ass"&ing a ser!i$e le!el o# /5C ens"re, b% s"''lier+ we nee, to &aintain a sa#et% sto$k o# 6) G 1)64@(.!al"e 1)64@(.!al"e #or /5C ser!i$e le!elG 60@to $on!ert it into no o# kits) his g"re g"re $o&es o"t to be 66) Hen$e the sa#et% sa#et% sto$k in nearest &"lti'le &"lti'le o# 60 $o&es o"t to be 20 kits
Cyc)e Time Ass"&ing working ho"rs to be 16 'er ,a% an, "sing the ,ata gi!en on $o&'lete, or,ers<,a%@a!erage: or,ers<,a%@a!erage: 11)46 jobs+ we $an esti&ate the $%$le ti&e o# the 'ro$ess) his $o&es o"t o"t to be 1)05 &in
T#!t Time 9sing the ,ata on $"sto&er or,ers+ takt ti&e $an be $al$"late, as @ass"&ing 16 ho"rs o# work 'r ,a%+ 0)/ kit<,a%) Sin$e $%le ti&e is &ore than takt ti&e in!entor% b"il,s "'
Bott)enec! Identi4c#tion
n or,er to i,enti#% bottlene$k the a!erage >"e"e si(e be#ore e!er% workstation was $o&'are,) he workstation with the largest or,ers in >"e"e $an be ass"&e, to be the bottlene$k) n this $ase the a!erage >"e"e si(e #or workstation 1+ 2 an, 3 are 5+ 342 an, 55 kits res'e$ti!el%) Hen$e ;orkstation 1 $an be $on$l",e, to be the bottlene$k #or the 'ro$ess
M#c%ine 5ti)i6#tion r#te" he a!erage &a$hine &a$hine "tili(ation "tili(ation rates #or workstation workstation 1+ 2 an, 3 $o&es o"t to be 6)C+ /1)5C an, )2C
