Gozinto Chart

Topics: Production and manufacturing, Manufacturing, Bill of materials Pages: 5 (1504 words) Published: April 10, 2011
Gozinto Chart named after an Italian mathematician Professor Zepartzat Gozinto is from the word ‘goes into’ is used to provide overall microview of how materials and subassemblies are united to form finished products. It is often called Assembly chart (Shim and Siegel, 1999) In other words, it is a pictorial representation of a product that shows how the elements required to build a product fit together. Gozinto Chart is a schematic model that defines how parts go together, the order of assembly, and the overall structure of the product. This chart is ideal for getting a bird’s eye view of the process for producing most assembled products. It lists all major materials and components, subassembly operations, inspections and assembly operations. This chart is sometimes called Assembly chart (National Institute of Technology Calicut, 2007). Product Structure Diagram: It includes all of the information typically included in the parts list as well as information concerning the structure of the product. This diagram provides the details on the components and assemblies required for making the product. It may also be known as bill of material. It contains the information such as, in what sequence these items (An item may be component, subassembly or final assembly.) are required, and how many units of components are required to produce the parent item together with the lead-time. Product structure is an input for several planning function especially for Material Requirements Planning (MRP). Product structure is a level by level representation. Parts used to make items in a level are represented in a lower level (Boysen, Fieldner and Scholl, 2006). Higher level is represented with a lower number. The level by level representation shows a parent-child relationship. The end item is represented at level zero. Gozinto procedures is the Gozinto graph as alternative representation of the product arrangement. Knots are to be regarded as parts or building group, and the connecting arrows indicate the respective need. The word Gozinto comes from that colloquial-English and means "“goes into" This is as shown on the figure 5.6 below:

Source:Jafri Robani (2004) Project Planning, in Nancy R. Tague (ed) The Quality Tool Box, Oxford: ASQ Quality Press.

A large class of problems in operations research may be formulated in terms of charts. These charts represent the relations of partial ordering, which are defined, for example, in sets of production parts or in complexes of interrelated activities. These charts are with the following features i.Finite, oriented and acylic

ii.There are several terminal nodes (or roots) of the charts Charts with the above mentioned properties are referred to as Gozinto Charts. The operations on these charts and the way they are kept in computer memory are the object of considerable attention in literature (Hu, 1968, Schmidt, 1970 in Drovak and Kropac, 1973). In the assembly chart, the best way to understand material flow is to prepare a process chart. This uses the standard set of symbol and standard procedure. It has a similar set up with Bill of Materials.

A bill of materials is a list of the raw materials, sub-assemblies, intermediate assemblies, sub-components, components, parts and the quantities of each needed to manufacture an end product. It may be used for communication between manufacturing partners, or confined to a single manufacturing plant. A BOM can define products as they are designed (engineering bill of materials), as they are ordered (sales bill of materials), as they are built (manufacturing bill of materials), or as they are maintained (service bill of materials). The different types of BOMs depend on the business need and use for which they are intended. In process industries, the BOM is also known as the formula, recipe, or ingredients list. In electronics, the BOM represents the list of components used on the printed wiring board or printed circuit board....

Bibliography: Boysen N., Fliedner, M. and Scholl, A (2006) Assembly Line Balancing: Joint Precedence Graphs Under High Product Variety, downloaded from http://comjnl.oxfordjournals.org/content/17/3/260.2.short
Drovak S and Kropac, B
Groover, M. P. (2007). Work Systems: The Methods, Measurement & Management of Work, Prentice Hall: New York
Miller, D.P
N a t io nal Institute of Technology Calicut Department of Mechanical Engineering, (2007) Preparation of Assembly Chart, Product structure and Dispatch List
Raymond A
Shim, Jae K. and Siegel Joel G. (1999) Operations Management, Barons Education Series: New York
Shtub; E
Tague, N.R. (2004) The Quality Toolbox, Second Edition, ASQ Quality Press, pages 501-504.
Vaszonyi A
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