ࡱ>  "!` bjbj\\ ,>> QX  D***v+,+,k]b+,j-$-^-L>?<N? \\\\\\\$_h5b0\n?=@=^n?n?\$-^-P\:CCCn?l$-$-:\Cn?\CC2X6\$-+ pPd2*@j[.\/]<k][ecDAfec\\ec\ n?n?Cn?n?n?n?n?\\Bjn?n?n?k]n?n?n?n? *D*  DOCPROPERTY "Title" \* MERGEFORMAT Multi-stage manufacturing sequence management  CREATEDATE \@ "d MMMM yyyy" \* MERGEFORMAT 17 December 2006 Introduction Automotive manufacturers are committed to producing many vehicle models on shared equipment both to reduce investment in capital equipment, and to allow rapid shifts in volumes to better react to market demand (Section 14 [ REF _Ref154162490 \r 1]). Line constraints are typically conflicting These facilities are configured in multiple stages with many body lines (each for a model series; or platform), followed by a shared paint line and trim lines for final assembly. An example of the relationships among three body lines and two trim lines is shown in  REF _Ref154161685 \* MERGEFORMAT Figure 1. Manufacturing engineers assign manpower and configure facilities to satisfy anticipated demand efficiently. However, each line imposes different classes of constraints. Body lines frequently incur switching costs between derivatives, the paint line cannot vary colours arbitrarily between consecutive vehicles and trim lines are manned for vehicles of average work content. Component suppliers may have further limitations. Production planning considers demand and the constraints in all lines simultaneously and prepares a sequence for the body lines that, when followed, will violate the least number of constraints throughout the manufacturing process. A storage area is located before and after the paint line.  REF _Ref154162597 \* MERGEFORMAT Figure 2 shows this configuration. When production is unable to maintain the original processing sequence, vehicles can be held in these storage areas temporarily to improve overall sequence adherence. Multi-stage manufacturing sequence management Efficient facility utilisation in a multi-stage manufacturing depends on: creating a production sequence that minimises constraint violation, synchronisation (douki-ka) and smoothing (heijun-ka) of production, an approach to reorder vehicles in the storage areas between lines, and identifying constraint sets that are tolerant to small perturbations in sequence.  EMBED OrgPlusWOPX.4   SHAPE \* MERGEFORMAT  Figure  SEQ Figure \* ARABIC 1 Multi-stage line relationships  SHAPE \* MERGEFORMAT  Figure  SEQ Figure \* ARABIC 2 Paint line configuration References New developments in multi-model mixed production and development process at motor vehicle manufacturers, Osamu Imada, Ritsumeikan University, May 2003. Change history Date Initial document, Pekka Pihlajasaari (pekka@data.co.za) Copyright  CREATEDATE \@ "yyyy" \* MERGEFORMAT 2006 Data Abstraction (Pty) Ltd, all rights reserved P O Box 2362, Houghton 2041, SouthAfrica, info@data.co.za, +27 (11) 728-089  Japanese production terminology is explained in [ REF _Ref154162490 \r 1].     Data Abstraction  DOCPROPERTY "Project" Conductor  STYLEREF Title \* MERGEFORMAT Multi-stage manufacturing sequence management  DOCPROPERTY "Category" \* MERGEFORMAT   PAGE \* MERGEFORMAT 2  SAVEDATE \@ "d MMMM yyyy" \* MERGEFORMAT 3 January 2007   SAVEDATE \@ "d MMMM yyyy" \* MERGEFORMAT 3 January 2007 Storage Storage Body line 1 Body line 2 Body line 3 Trim line 2 Trim line 1 Paint line Paint line  DOCPROPERTY "document number" \* MERGEFORMAT    DOCPROPERTY "document number" \* MERGEFORMAT    DOCPROPERTY "document number" \* MERGEFORMAT   &'TUVW    _`vwyz{ʻt0jr/I hNX<CJOJQJUV_H9mH sH  hNX<jhNX<U$jhNX0JO6U]mHnHuhNX6]mHnHuh2Fh2F6]mHnHuh2Fh2F6] hNX6]jhNX6U]h2FhNXmHnHuhNXjhNXU-V  ; ^_z01< ]^"# & Fhx^h`##$$4"( /< ,-RSWXٺк٫ٱٱ٦p!Hh4ݬfhNX6mHnHuh2F6mHnHujhNX6UmHnHuhNX6mHnHu hNX< hNX0J/hNXmHnHujhNXUmHnHujnhNXUh2FmHnHuhNXjhNXU"jhNXU_H9mHnHsH ujhNXU*< '(*+-.0134=>~ !(#00]0^0 !(#00]0^0N $^a$gd2F$ [^`[  & F   !"#$'()+,./12489EF]^ghij񻯢}uhNXOJQJh2FmHnHuh2F@(CJOJQJjhNX@(CJOJQJUhNX8@(CJOJQJhNX@(CJOJQJ#hNX@(B* CJOJQJaJphjhNXUh2FmH sH jhNXUmH sH hNXmH sH hNXjhNX0JOU",-;<=>?@BCmn|}пiYYYYhNXB*OJQJ^JaJph6jHh4ݬfhNX;CJU_HmHnHsH u)jhNX;CJU_HmHnHsH uhNXh2Fh2FmHnHuhNXmHnHujhNXUmH sH hNXmH sH hNX;mH sH jhNX;UmH sH BjhNX;CJU_HcHdhdhdh4ݬfmHnHsH u"~$a$  :;<=@Apqrsuvƽƴh2F;mH sH hNX;mH sH jhNX;UmH sH h2FjhNXUhNXB*CJaJphhNXB*OJQJ^JaJphhNX  >?@tu$a$ $^a$gd2F2 0 0&P . 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The OPX file format is the confidential and proprietary property of Banner Blue. Banner Blue requires prior written consent and advanced royalty payment to use this format. A violation of these rights is against the law and Banner Blue will aggressively pursue prosecution. ) Copyright 1992 Banner Blue Software Incorporated. All rights reserved. The OPX file format is the confidential and proprietary property  \  \@@@@`Name`Title` Comment 1` Comment 2`")"r Bl`@!d ""$.,"[,%% }F\\mamoncillo\HP LaserJet 2420dn,winspool,Ne05:\\mamoncillo\HP LaserJet 2420dt odXXLetterDINU"4@Lf+@IUPH dLetter [none] [none]Arial4P d?ADMINISTRATOR<Automatic>@600dpidType new Quick Set name herei j.k k m m ORGCHART.EXE  @### ` @%Arial%Gill Sans Light `@aaaaaa aa a a a aa` @&`@aaa `&`@aaa `&`@aaa `&`@aaa `&`@aaa `&`@aaa ` `$#R"STZV@AB""@PQ$$$S@` Body line 1@aa``@aa``@aa``@aa``PQ$$$S@` Body line 2@aa``@aa``@aa``@aa``PQ$$$ST$@` Body line 3@aa``@aa``@aa``@aa``` @    `AB@PQ$$$S@` Paint line@aa``@aa``@aa``@aa``` @ `AB @PQ$$$ST$@` Trim line 1@aa``@aa``@aa``@aa``PQ$$$ST$@` Trim line 2@aa``@aa``@aa``@aa``` @ ``@`@```` +> &Pekk PihlajasaariNotesSimone Shall2Microsoft Office Word@ @Xu"@&^2@&^29 ՜.+,D՜.+,@ px  "Data Abstraction (Pty) Ltd d .Multi-stage manufacturing sequence management Title|(T\pProjectDocument number Conductor   FMicrosoft Office Word Document MSWordDocWord.Document.89qQD@D NormalCJOJQJ_H mH sH tH 8@"8 Heading 1  @&<@"< Heading 2  @&CJ@@"@ Heading 3  @&6CJ@@"@ Heading 4 x@&CJH@"H Heading 5  @&6CJOJQJH@"H Heading 6  @&6CJOJQJH@"H Heading 7  @&5CJOJQJH@"H Heading 8  @&6CJOJQJJ @"J Heading 9 @&56CJOJQJDA@D Default Paragraph FontVi@V  Table Normal :V 44 la (k@(No List 4@4 Header  !:O: Logo$a$@CJ0OJQJ4 @4 Footer  !2B@"2 Body TextxL"@"L Caption$$x]^a$6.L@. 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