{"id":13433,"date":"2019-09-06T13:16:35","date_gmt":"2019-09-06T11:16:35","guid":{"rendered":"https:\/\/exegens.com\/?p=13433"},"modified":"2020-02-06T18:26:20","modified_gmt":"2020-02-06T16:26:20","slug":"total-lead-time-scenarii-de-imbunatatire-holistica","status":"publish","type":"post","link":"https:\/\/exegens.com\/ro\/total-lead-time-scenarii-de-imbunatatire-holistica\/","title":{"rendered":"Total Lead Time: scenarii de \u00eembun\u0103t\u0103\u021bire holistic\u0103"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;1\/1&#8243;][vc_column_text]<\/p>\n<h4><strong>1. Introducere<\/strong><\/h4>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Sincronizarea continu\u0103 a fluxului de baz\u0103 al companiilor \u0219i profitabilitatea acestui flux este \u0219i va r\u0103m\u00e2ne o provocare etern\u0103 a companiilor de produc\u021bie pentru a asigura prosperitatea etern\u0103 pe o pia\u021b\u0103 global\u0103. Chiar dac\u0103 se utilizeaz\u0103 abord\u0103ri diferite pentru a realiza reducerea <strong>lead time<\/strong>, aceste abord\u0103ri au \u00eenc\u0103 dificult\u0103\u021bi \u00een eficacitatea, \u0219i chiar mai mult, \u00een eficien\u021ba proceselor.<\/p>\n<p style=\"text-align: justify;\">Deci, globalizarea pie\u021belor necesit\u0103 o dezvoltare continu\u0103 a scenariilor holistice de afaceri pentru a asigura o flexibilitate acceptabil\u0103 pentru a satisface clien\u021bii. \u00cembun\u0103t\u0103\u021birea continu\u0103 a lan\u021bului de aprovizionare presupune \u00eembun\u0103t\u0103\u021birea continu\u0103 a (1) <strong>lead time-ului<\/strong> \u0219i a fluxului materialelor \u0219i produselor \u0219i (2) a stocurilor de materiale \u0219i de produse finite.<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h4><strong>2. Modelul lead time total<\/strong><\/h4>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Sincronizarea continu\u0103 a <strong>lead time<\/strong> total (<strong>lead time<\/strong> livrare, zilele de depozitare a produselor finite, <strong>lead time<\/strong> produc\u021bie, zilele de depozitare a materiilor prime, <strong>lead time<\/strong> livrare) cu <strong>takt time<\/strong> reprezint\u0103 o preocupare major\u0103 a planific\u0103rii produc\u021biei pentru orice companie de produc\u021bie. Toate componentele <strong>lead time<\/strong> total trebuie planificate cu aten\u021bie, eficacitatea \u0219i eficien\u021ba proceselor trebuie \u00eembun\u0103t\u0103\u021bite \u00een mod fezabil \u0219i trebuie s\u0103 existe o abordare holistic\u0103 (<strong>a se vedea figura 1<\/strong>). \u00cendeplinirea celor dou\u0103 principii de baz\u0103 ale filozofiei de \u00eembun\u0103t\u0103\u021bire continu\u0103, respectiv <em>continuous flow<\/em> \u0219i <em>one piece flow<\/em> necesit\u0103 crearea unui sistem sincronizat care s\u0103 utilizeze toate resursele \u0219i procesele din cadrul companiilor de produc\u021bie \u0219i mai departe c\u0103tre clien\u021bi \u0219i furnizori sau p\u00e2n\u0103 la clien\u021bii clien\u021bilor companiei de produc\u021bie sau p\u00e2n\u0103 la furnizorii furnizorilor companiei de produc\u021bie.<\/p>\n<p>[\/vc_column_text][vc_column_text]<a href=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1-.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-13435 size-large aligncenter\" src=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1--600x253.jpg\" alt=\"\" width=\"600\" height=\"253\" srcset=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1--600x253.jpg 600w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1--300x127.jpg 300w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1--768x324.jpg 768w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1-.jpg 974w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Pentru a respecta promisiunile de livrare c\u0103tre clien\u021bi \u00een termeni de timpi de livrare, precum \u0219i de nivel de calitate \u0219i \u00een special de costuri reflectate \u00een pre\u021b, este necesar s\u0103 cunoa\u0219tem \u0219i s\u0103 control\u0103m continuu structura <strong>lead time<\/strong> total.<\/p>\n<p style=\"text-align: justify;\">Pe baza figurii anterioare, pentru a colecta date \u0219i a analiza <strong>lead time<\/strong> total, sunt necesare urm\u0103toarele m\u0103sur\u0103tori:<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><strong>a) Lead \u00a0time aprovizionare\u00a0 (SLT) \u00a0sau\u00a0 lead \u00a0time materii prime \u0219i componente (zile):<\/strong><\/p>\n<p style=\"text-align: center;\"><strong><em>S<\/em><em>L<\/em><em>T <\/em>= <em>S<\/em><em>I<\/em><em>L<\/em><em>T <\/em>+ <em>S<\/em><em>P<\/em><em>L<\/em><em>T <\/em>+ <em>S<\/em><em>TL<\/em><em>T<\/em>\u00a0 (1)<\/strong><\/p>\n<p style=\"text-align: justify;\">Unde: SLT = Lead time aprovizionare (zile); SILT = Lead time informa\u021bional al furnizorilor (zile); SPLT = Lead time produc\u021bie furnizori (zile); STLT = Lead time transport furnizori (zile).<\/p>\n<p style=\"text-align: justify;\"><em><strong>Not\u0103:<\/strong> este necesar s\u0103 cunoa\u0219tem valoarea SLT maxim\u0103, minim\u0103 \u0219i medie pentru fiecare tip de furnizor (inclusiv tipurile de furnizori de transport), \u021bin\u00e2nd cont de perioada anului, de anotimp, de m\u0103rimea comenzilor, de tipul de produs, de mixul de produse comandate etc.\u00a0<\/em><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><strong>b) Stocul de materii prime \u2013 SD 1 (zile)<\/strong><\/p>\n<p style=\"text-align: justify;\"><em><strong>Not\u0103:<\/strong> este necesar s\u0103 cunoa\u0219tem num\u0103rul echivalent de zile de produc\u021bie furnizate de nivelul actual al stocului de materii prime \u0219i materiale (inclusiv nivelul pentru stocul tampon \u0219i stocul de siguran\u021b\u0103).<\/em><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><strong>c) Lead time produc\u021bie (PLT) sau lead time fabric\u0103 (zile):<\/strong><\/p>\n<p style=\"text-align: center;\"><strong><em>P<\/em><em>L<\/em><em>T <\/em>= <em>I<\/em><em>P<\/em><em>L<\/em><em>T <\/em>+ <em>M<\/em><em>P<\/em><em>L<\/em><em>T<\/em> (2)<\/strong><\/p>\n<p style=\"text-align: justify;\">Unde: PLT = Lead time produc\u021bie (zile); PILT = Lead time informa\u021bional produc\u021bie (zile); MLT = Lead time produc\u021bie material (zile)<\/p>\n<p style=\"text-align: justify;\"><em><strong>Not\u0103:<\/strong> este necesar s\u0103 cunoa\u0219tem valoarea PLT maxim\u0103, minim\u0103 \u0219i medie pentru fiecare tip de familie de produse.<\/em><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><strong>d) Stocuri de produse finite \u2013 SD 2 (zile)<\/strong><\/p>\n<p style=\"text-align: justify;\"><em><strong>Not\u0103:<\/strong> este necesar s\u0103 cunoa\u0219tem num\u0103rul echivalent de zile de livrare furnizate de nivelul actual al stocurilor de produse finite (inclusiv pentru stocul tampon \u0219i stocul de siguran\u021b\u0103).<\/em><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><strong>e) Lead time livrare (DLT) sau lead time livrare produs (zile)<\/strong><\/p>\n<p style=\"text-align: center;\"><strong><em>D<\/em><em>L<\/em><em>T <\/em>= <em>ID<\/em><em>L<\/em><em>T <\/em>+ <em>T<\/em><em>D<\/em><em>L<\/em><em>T <\/em>(3)<\/strong><\/p>\n<p style=\"text-align: justify;\">Unde: DLT = Lead time livrare (zile); IDLT = Lead time informa\u021bional livrare (zile); TDLT = Lead time livrare transport (zile)<\/p>\n<p style=\"text-align: justify;\"><em><strong>Not\u0103: <\/strong>este necesar s\u0103 cunoa\u0219tem valoarea DLT maxim\u0103, minim\u0103 \u0219i medie pentru fiecare tip de clien\u021bi \u0219i furnizori de transport.<\/em><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><strong>f) Lead time total (TLT) (zile):<\/strong><\/p>\n<p style=\"text-align: center;\"><strong><em>TL<\/em><em>T <\/em>= <em>S<\/em><em>L<\/em><em>T \u00a0<\/em>+ <em>P<\/em><em>L<\/em><em>T \u00a0<\/em>+ <em>D<\/em><em>L<\/em><em>T (4) <\/em><\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h4><strong>3. Scenarii holistice pentru reducerea lead time total<\/strong><\/h4>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Pentru companiile de produc\u021bie, sincronizarea continu\u0103 a proceselor de produc\u021bie cu clien\u021bii externi (<strong>takt time<\/strong> pe tipuri de clien\u021bi; familii de produse) \u0219i stabilizarea \u0219i reducerea <strong>lead time<\/strong> produc\u021bie necesit\u0103 o abordare holistic\u0103 a <strong>lead time<\/strong> total \u0219i nu doar o reducere punctual\u0103 a SLT, SD1, PLT, SD2 \u0219i DLT.<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Pe baza structurii <em>lead time total<\/em> <strong>(vezi figura 1)<\/strong>, scenariile de baz\u0103 pentru comenzile clien\u021bilor \u0219i planificarea produc\u021biei pot fi urm\u0103toarele:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>Scenariul 1: <\/strong>clientul plaseaz\u0103 comenzi pentru produse finite care se afl\u0103 deja \u00een depozitul de produse finite:<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><strong><em>TL<\/em><em>T <\/em>= <em>D<\/em><em>L<\/em><em>T <\/em>(5)<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>Scenariul 2: <\/strong>clientul plaseaz\u0103 comenzi pentru produse care nu se afl\u0103 \u00een depozitul de m\u0103rfuri finite, dar toate materiile prime necesare \u0219i materialele auxiliare sunt \u00een depozitul de materii prime \u0219i materiale ale companiei de produc\u021bie:<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><strong><em>TL<\/em><em>T <\/em>= <em>D<\/em><em>L<\/em><em>T <\/em>+ <em>P<\/em><em>L<\/em><em>T <\/em>(6)<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>Scenariul 3: <\/strong>clientul plaseaz\u0103 comenzi pentru produse care nu se afl\u0103 \u00een depozitul de m\u0103rfuri finite \u0219i nu toate materiile prime necesare \u0219i materialele auxiliare sunt \u00een depozitul de materii prime \u0219i materiale ale companiei de produc\u021bie:<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><strong><em>TL<\/em><em>T <\/em>= <em>D<\/em><em>L<\/em><em>T \u00a0<\/em>+ <em>P<\/em><em>L<\/em><em>T \u00a0<\/em>+ <em>S<\/em><em>L<\/em><em>T <\/em>(7)<\/strong><\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Chiar dac\u0103 <em>scenariul 1<\/em> are cel mai scurt <em>lead time<\/em> total, \u00een conformitate cu sistemele de produc\u021bie tip <em>pull<\/em>, cel mai bun scenariu este <em>scenariul 3<\/em>, cu condi\u021bia ca <em>lead time total<\/em> s\u0103 fie acceptabil \u00een termeni de bani str\u00e2n\u0219i, \u0219i anume men\u021binerea unui nivel minim de stocuri. <em>Scenariul 3<\/em> poate continua cu diferite scenarii. Cel mai r\u0103u scenariu este atunci c\u00e2nd clientul nostru plaseaz\u0103 comenzi pentru care furnizorul nostru nu are materia prim\u0103 necesar\u0103 \u00een depozit. Fiecare scenariu ar trebui s\u0103 \u021bin\u0103 seama de nivelul minim, maxim \u0219i mediu de <em>lead time<\/em>. \u00cen func\u021bie de volumele istorice \u0219i de volumele planificate care urmeaz\u0103 a fi livrate, se vor elabora planuri individuale de \u00eembun\u0103t\u0103\u021bire \u0219i planuri de inovare pentru fiecare tip de <em>lead time<\/em> total, acord\u00e2nd o aten\u021bie deosebit\u0103 SLT.<\/p>\n<p style=\"text-align: justify;\">Abordarea holistic\u0103 pentru reducerea <em>lead time<\/em> total pentru cele trei scenarii necesit\u0103 o dezvoltare continu\u0103 a politicii lan\u021bului de aprovizionare (\u021binte \u0219i mijloace) \u0219i, prin urmare, un plan de ac\u021biune pentru \u00eembun\u0103t\u0103\u021birea \u0219i inovarea continu\u0103 a ambelor componente ale <em>lead time<\/em> total (SLT, SD1, PLT, SD2 \u0219i DLT) \u0219i a <em>lead time<\/em> total \u00een sine. Din abordarea holistic\u0103 a <em>lead time<\/em> total, prezent\u0103m o serie de ac\u021biuni privind inova\u021bia \u0219i \u00eembun\u0103t\u0103\u021birea continu\u0103 pentru SLT, SD1, PLT, SD2 \u0219i DLT, cu impact asupra <em>lead time<\/em> total (sau cu impact asupra \u00eentregului sistem de produc\u021bie).<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Deci direc\u021bia holistic\u0103 de \u00eembun\u0103t\u0103\u021bire continu\u0103 \u0219i inovare a proceselor pentru reducerea continu\u0103 a <em>lead time<\/em> total ar putea fi:<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>pentru<em> lead time livrare (DLT)<\/em><\/strong>, pentru a cre\u0219te nivelul de conformitate cu cerin\u021bele clien\u021bilor ar putea fi: cre\u0219terea \u00een\u021belegerii specifica\u021biilor exacte ale produsului de la clien\u021bi (de la prima solicitare a clientului; previziunea exact\u0103 a comenzilor); cre\u0219terea preciziei prognozelor pentru furnizarea c\u0103tre clien\u021bi; reducerea\/ eliminarea controlului expedierii; maximizarea <em>On-Time In- Full (OTIF)<\/em> pentru livrarea produselor finite \u0219i cre\u0219terea nivelului de \u00eenc\u0103rcare al camioanelor \u00een conformitate cu stocurile de produse finite; cre\u0219terea preciziei livr\u0103rii, sincronizarea <em>lead time<\/em> produc\u021bie cu <em>takt time<\/em> transport (camioane etc.) de la poarta fabricii etc.;<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>for <\/strong><em><strong>Stock of finished products (SD 2)<\/strong>, <\/em>in order to continuously reduce the stock \u00a0of \u00a0finished \u00a0goods: \u00a0respecting\u00a0 the \u00a0hours \u00a0standards \u00a0for \u00a0finished products \u00a0in \u00a0the \u00a0warehouse;\u00a0 making\u00a0 the\u00a0 stock\u00a0 of\u00a0 finished \u00a0products according to the forecasts of customers&#8217; orders or based on orders; increasing accuracy for <em>buffer stock and safety stock<\/em>; increasing the score of the <em>5S <\/em>audit for warehouse(s) of finished products; increasing the automation when organizing the warehouse(s) of finished products; increasing the forecast accuracy for stocks in scenario 1 (TLT = DLT); keeping stick at the right level of quality etc.;<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>pentru<em> lead\u00a0 time produc\u021bie\u00a0 (PLT)<\/em><\/strong>, pentru a reduce continuu modific\u0103rile neplanificate ale planului de produc\u021bie prin cre\u0219terea sincroniz\u0103rii proceselor de produc\u021bie pe SLT \u0219i mai ales pe DLT: cre\u0219terea flexibilit\u0103\u021bii de conformitate a proceselor de produc\u021bie la solicit\u0103rile clien\u021bilor cu un cost minim; cre\u0219terea sincroniz\u0103rii \u00eentre procesele de produc\u021bie; cre\u0219terea preciziei nivelului de stoc de l\u00e2ng\u0103 echipamente \u0219i a planific\u0103rii produc\u021biei \u00een curs de execu\u021bie &#8211; <em>Work in Process (WIP)<\/em>; eliminarea tuturor c\u0103derilor \u0219i reducerea timpului mediu de repara\u021bie &#8211; <em>Mean Time To Repair <\/em>(<em>M<\/em><em>TTR<\/em>) printr-o planificare riguroas\u0103 de \u00eentre\u021binere preventiv\u0103; cre\u0219terea identific\u0103rii constr\u00e2ngerilor proceselor de produc\u021bie, \u00een special pentru produsele noi; cre\u0219terea num\u0103rului de echipamente cu design simplu; cre\u0219terea num\u0103rului de loturi mici \u0219i implementarea complet\u0103 a principiului produc\u021biei <em>one-piece flow<\/em>; o mai bun\u0103 cunoa\u0219tere \u0219i dimensionare a WIP, \u00een conformitate cu mixul de produc\u021bie; reducerea num\u0103rului de opera\u021biuni; reducerea timpului de transfer \u00eentre sta\u021biile de lucru; \u00eembun\u0103t\u0103\u021birea continu\u0103 \u0219i inovarea proiect\u0103rii organiz\u0103rii locului de munc\u0103; reducerea\/ eliminarea transferurilor manuale \u00eentre sta\u021biile de lucru etc.;<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>pentru <em>stocul de materii prime (SD 1)<\/em><\/strong>,\u00a0pentru a reduce continuu stocul de materii prime \u0219i componente, prin standardizarea succesiv\u0103 a consumului de materii prime \u0219i materiale auxiliare: cre\u0219terea preciziei nivelului curent al stocurilor; cre\u0219terea preciziei nivelurilor de stocuri speciale (materii prime, componente \u0219i piese de schimb cu risc ridicat \u00een cazul lipsei sau cu timp de livrare mare); reducerea timpului de configurare (set-up) sau inovarea timpului de configurare (f\u0103r\u0103 configurare semnificativ\u0103) \u0219i a <em>cycle time<\/em> pentru echipamente pentru a reduce continuu nivelul stocului; cre\u0219terea punctajului auditului 5S pentru depozitul (depozitele) de produse finite \u0219i componente; cre\u0219terea automatiz\u0103rii la organizarea depozitului de produse finite \u0219i componente; cre\u0219terea nivelului de utilizare a pieselor standard ale produselor (prin inova\u021bii succesive \u00een proiectarea produselor); cre\u0219terea sincroniz\u0103rii dintre stocurile de materii prime \u0219i componente \u0219i SLT; p\u0103strarea stocului la nivelul adecvat al calit\u0103\u021bii; cre\u0219terea preciziei pentru <em>bill \u00a0of \u00a0materials \u00a0(BOM)<\/em> pentru fiecare nou produs ce urmeaz\u0103 a fi f\u0103cut; cre\u0219terea preciziei pentru re-comandarea sistemelor de puncte etc.;<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<ul>\n<li style=\"text-align: justify;\"><strong>pentru <em>l<\/em><\/strong><em><strong><em>e<\/em>ad time aprovizionare (SLT)<\/strong>, <\/em>pentru a cre\u0219te continuu nivelul de sincronizare \u00eentre <em>lead time<\/em> aprovizionare \u0219i <em>takt time<\/em> produc\u021bie: cre\u0219terea nivelului de performan\u021b\u0103 al managementului actual al furnizorilor, dar mai ales al managementului noilor furnizori; reducerea costurilor de aprovizionare; cre\u0219terea num\u0103rului de furnizori cu un nivel acceptabil de <em>lead time<\/em> \u0219i calitate, dar cu un nivel de costuri mai mic; cre\u0219terea num\u0103rului de furnizori cu o capacitate mare de produc\u021bie, \u00een conformitate cu volumul pie\u021bei; cre\u0219terea num\u0103rului de ac\u021biuni de training cu furnizorii pentru a \u00eembun\u0103t\u0103\u021bi continuu SLT; cre\u0219terea num\u0103rului de ac\u021biuni comune pentru \u00eembun\u0103t\u0103\u021birea \u0219i\/ sau inovarea proceselor cu furnizorii pentru a reduce continuu SLT etc.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Prin urmare, pentru a aborda problemele \u0219i pentru a dezvolta un master plan consistent pentru inova\u021bia proceselor \u0219i \u00eembun\u0103t\u0103\u021birea continu\u0103 pe durata <em>lead time<\/em> total, companiile de produc\u021bie trebuie s\u0103 articuleze ritmul \u0219i volumul cererilor clien\u021bilor cu loca\u021bia exact\u0103 a proiectelor de inovare \u0219i \u00eembun\u0103t\u0103\u021bire de-a lungul <em>lead time<\/em> total, pentru a determina tipurile de metode, tehnici \u0219i instrumente necesare inova\u021biei \u0219i \u00eembun\u0103t\u0103\u021birii continue.<\/p>\n<p style=\"text-align: justify;\">De exemplu, dac\u0103 strategia sezonier\u0103 anual\u0103 a unei companii de produc\u021bie este de a avea aproximativ 25% din livr\u0103ri direct din stocul de produse finite pentru iulie-septembrie, iar restul anului 15%, atunci inova\u021biile \u0219i \u00eembun\u0103t\u0103\u021birile procesului vor fi concentrate \u00een special pentru DLT \u0219i SD 2 prin dezvoltarea continu\u0103 a scenariilor de \u00eembun\u0103t\u0103\u021bire holistic\u0103.<\/p>\n<p style=\"text-align: justify;\">Deci, pentru fiecare companie individual \u0219i pentru fiecare perioad\u0103 a fiec\u0103rei companii (lu\u00e2nd \u00een considerare starea extern\u0103 &#8211; <em>lead time<\/em> clien\u021bi \u0219i <em>lead time<\/em> furnizori, dar \u0219i starea intern\u0103 &#8211; <em>lead time<\/em> produc\u021bie), <em>lead time<\/em> total trebuie determinat \u0219i \u00eembun\u0103t\u0103\u021bit \u00een mod holistic \u0219i continuu. Totu\u0219i, obiectivul este m\u0103surarea continu\u0103 \u0219i precis\u0103 a <em>lead time<\/em> total, indiferent de modul \u00een care este ast\u0103zi, apoi stabilirea unor \u021binte realizabile bazate pe mijloace fezabile.<\/p>\n<p style=\"text-align: justify;\">Ca exemple reale pentru media zilelor pentru produse finite \u0219i materii prime, \u00een domeniul auto, reducerile pentru 4 ani consecutivi din media zilelor de depozitare au fost urm\u0103toarele (<strong>tabelul 1<\/strong>):<\/p>\n<p>[\/vc_column_text][vc_column_text]<a href=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine2.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-13454 size-large\" src=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine2-600x377.jpg\" alt=\"\" width=\"600\" height=\"377\" srcset=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine2-600x377.jpg 600w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine2-300x188.jpg 300w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine2-768x482.jpg 768w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine2.jpg 901w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Continu\u00e2nd exemplul industriei auto, se poate spune c\u0103 este de a\u0219teptat ca stocurile de produse finite s\u0103 fie aproximativ jum\u0103tate din cele ale materialelor (timpul pentru cealalt\u0103 jum\u0103tate este <em>lead time<\/em> produc\u021bie pentru a \u00eendeplini starea de <em>Just In Time<\/em> \u0219i <em>takt time<\/em> cu toate stocurile). De exemplu (exemple reale; <strong>tabelul 2<\/strong>):<\/p>\n<p>[\/vc_column_text][vc_column_text]<a href=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine3.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-13455 size-large\" src=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine3-600x297.jpg\" alt=\"\" width=\"600\" height=\"297\" srcset=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine3-600x297.jpg 600w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine3-300x149.jpg 300w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine3-768x381.jpg 768w, https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Imagine3.jpg 799w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Aceasta va fi preocuparea continu\u0103 pentru \u00eentreaga companie, dar mai ales pentru managerii de top, pentru a nu crea oportunit\u0103\u021bi inutile pentru cre\u0219teri nejustificate ale costurilor (supra-stocuri pentru stocurile curente, stocuri tampon \u0219i stocuri de siguran\u021b\u0103).<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<h4><strong>4. Concluzie<\/strong><\/h4>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Acest articol ofer\u0103 o dezvoltare a abord\u0103rii <em>lead time<\/em> total (SLT, SD 1, PLT, SD 2, DLT, TLT) \u0219i o descriere a diferitelor tipuri de <em>lead time<\/em> total \u0219i a abord\u0103rii holistice a trei scenarii pentru inovare \u0219i \u00eembun\u0103t\u0103\u021bire continu\u0103 a proceselor \u00een companiile de produc\u021bie. <strong>O prim\u0103 concluzie<\/strong> a lucr\u0103rii mele se refer\u0103 la scenariul 1 care, de\u0219i are cel mai scurt <em>lead time<\/em> total \u0219i este capabil s\u0103 ajute la satisfacerea nevoilor clien\u021bilor de a realiza livr\u0103ri \u00een timp scurt, trebuie monitorizat continuu pentru a nu se realiza supra-stocajul \u0219i cre\u0219teri nejustificate ale costurilor asociate. <strong>O a doua concluzie<\/strong> se refer\u0103 la necesitatea dezvolt\u0103rii de ac\u021biuni holistice pentru inovare \u0219i \u00eembun\u0103t\u0103\u021bire continu\u0103 pentru a cre\u0219te continuu nivelul de sincronizare \u00eentre <em>lead time<\/em> livrare \u0219i <em>lead time<\/em> produc\u021bie. <strong>O a treia concluzie<\/strong> se refer\u0103 la necesitatea de a standardiza continuu produc\u021bia \u00een curs de execu\u021bie &#8211; <em>Work in Process (WIP)<\/em> pentru a preveni supra-stocajul \u0219i, astfel, cre\u0219terea <em>lead time<\/em> total.<\/p>\n<p style=\"text-align: justify;\">So, holistic improvement scenarios for total lead time are needed for achieving and sustaining profitability and productivity.\u00a0 Prin urmare, scenariile de \u00eembun\u0103t\u0103\u021bire holistic\u0103 pentru <em>lead time<\/em> total sunt necesare pentru ob\u021binerea \u0219i sus\u021binerea profitabilit\u0103\u021bii \u0219i a productivit\u0103\u021bii.<\/p>\n<p>[\/vc_column_text][vc_column_text]<\/p>\n<p style=\"text-align: justify;\"><em>Adaptare dup\u0103: Posteuc\u0103, A. &amp; Zapciu, M., 2015., <strong>Process innovation: holistic scenarios to reduce total lead time<\/strong>, Academy of Romanian Scientists &#8211; Productica.<\/em><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;1\/1&#8243;][vc_column_text] 1. Introducere [\/vc_column_text][vc_column_text] Sincronizarea continu\u0103 a fluxului de baz\u0103 al companiilor \u0219i profitabilitatea acestui flux este \u0219i va r\u0103m\u00e2ne o provocare etern\u0103 a companiilor de produc\u021bie pentru a asigura prosperitatea etern\u0103 pe o pia\u021b\u0103 global\u0103. Chiar dac\u0103 se utilizeaz\u0103 abord\u0103ri diferite pentru a realiza reducerea lead time, aceste abord\u0103ri au \u00eenc\u0103 dificult\u0103\u021bi \u00een [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[347,280,281,283,292,293,284,286,305],"class_list":["post-13433","post","type-post","status-publish","format-standard","hentry","category-productivitate","tag-excelenta-operationala","tag-manufacturing-cost-policy-deployment","tag-manufacturing-cost-policy-deployment-ro","tag-mcpd-ro","tag-mdc","tag-methods-design-concept","tag-productivitate-ro","tag-profitabilitate-ro","tag-reducerea-costurilor-ro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Total Lead Time: scenarii de \u00eembun\u0103t\u0103\u021bire holistic\u0103 - Exegens\u00ae<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exegens.com\/ro\/total-lead-time-scenarii-de-imbunatatire-holistica\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Total Lead Time: scenarii de \u00eembun\u0103t\u0103\u021bire holistic\u0103 - Exegens\u00ae\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column width=&#8221;1\/1&#8243;][vc_column_text] 1. Introducere [\/vc_column_text][vc_column_text] Sincronizarea continu\u0103 a fluxului de baz\u0103 al companiilor \u0219i profitabilitatea acestui flux este \u0219i va r\u0103m\u00e2ne o provocare etern\u0103 a companiilor de produc\u021bie pentru a asigura prosperitatea etern\u0103 pe o pia\u021b\u0103 global\u0103. Chiar dac\u0103 se utilizeaz\u0103 abord\u0103ri diferite pentru a realiza reducerea lead time, aceste abord\u0103ri au \u00eenc\u0103 dificult\u0103\u021bi \u00een [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exegens.com\/ro\/total-lead-time-scenarii-de-imbunatatire-holistica\/\" \/>\n<meta property=\"og:site_name\" content=\"Exegens\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/exegens\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-09-06T11:16:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-02-06T16:26:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/exegens.com\/wp-content\/uploads\/2019\/09\/Total-Lead-Time-Holistic-Improvement-Scenarios_Dr.A.-Posteuc\u0103-1-e1567774600408.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1632\" \/>\n\t<meta property=\"og:image:height\" content=\"1068\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Dr. Alin Posteuc\u0103\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Exegens\" \/>\n<meta name=\"twitter:site\" content=\"@Exegens\" \/>\n<meta name=\"twitter:label1\" content=\"Scris de\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. Alin Posteuc\u0103\" \/>\n\t<meta name=\"twitter:label2\" content=\"Timp estimat pentru citire\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/exegens.com\\\/ro\\\/total-lead-time-scenarii-de-imbunatatire-holistica\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/exegens.com\\\/ro\\\/total-lead-time-scenarii-de-imbunatatire-holistica\\\/\"},\"author\":{\"name\":\"Dr. Alin Posteuc\u0103\",\"@id\":\"https:\\\/\\\/exegens.com\\\/#\\\/schema\\\/person\\\/5bf9e005d97a08564da8ee1e08e12421\"},\"headline\":\"Total Lead Time: scenarii de \u00eembun\u0103t\u0103\u021bire holistic\u0103\",\"datePublished\":\"2019-09-06T11:16:35+00:00\",\"dateModified\":\"2020-02-06T16:26:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/exegens.com\\\/ro\\\/total-lead-time-scenarii-de-imbunatatire-holistica\\\/\"},\"wordCount\":2625,\"publisher\":{\"@id\":\"https:\\\/\\\/exegens.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/exegens.com\\\/ro\\\/total-lead-time-scenarii-de-imbunatatire-holistica\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/exegens.com\\\/wp-content\\\/uploads\\\/2019\\\/09\\\/total-lead-time-by-Dr.-A.-Posteuca-Exegens-1--600x253.jpg\",\"keywords\":[\"excelenta operationala\",\"manufacturing cost policy deployment\",\"manufacturing cost policy deployment\",\"mcpd\",\"mdc\",\"methods design concept\",\"productivitate\",\"profitabilitate\",\"reducerea costurilor\"],\"articleSection\":[\"Productivitate\"],\"inLanguage\":\"ro-RO\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/exegens.com\\\/ro\\\/total-lead-time-scenarii-de-imbunatatire-holistica\\\/\",\"url\":\"https:\\\/\\\/exegens.com\\\/ro\\\/total-lead-time-scenarii-de-imbunatatire-holistica\\\/\",\"name\":\"Total Lead Time: scenarii de \u00eembun\u0103t\u0103\u021bire holistic\u0103 - 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