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WORK IN PROCESS OPTIMISATION THROUGH LEAN MANUFACTRING

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Author(s): KRISHNAN. PV | VIJAYA RAMNATH.B | Dr. MOHAN. K. PILLAI

Journal: International Journal of Economics and Research
ISSN 2229-6158

Volume: 02;
Issue: 02;
Start page: 19;
Date: 2011;
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Keywords: WIP | optimal WIP | inventory cost method | change over time | multi product single conveyor assembly lin

ABSTRACT
Today the global economy has caused a stronger competitive manufacturing environment in all kinds of business. Manufacturing industries face continuous pressure to reduce the price to remain in the market. It eventually results in manufactures need to reduce the profit margins in order to keep a share of the market. The objective of this paper to find the work in process for the optimal size using lean Techniques in a multiproduct single conveyor assembly line of a leading Two Wheeler Manufactures in south India. It is useful to map the dynamics of the supply chain focusing on how the demand information is passed from the final customer, back to the material suppliers and manufactures inside the company. So in this paper attempt has been made to find work in process and reduction of value in terms of Rupees from the current process to the proposed process. A mathematical model developed using general inventory cost model to quantify the Optimal Work In Process for the entire product range in Engineassembly line. Also numerical example is done to demonstrate the mathematical model with the available data. The mathematical results are very much encouraging and it calculated as 40 % reduction in work in process over the current work in process
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