Why Does Cell Implementation Stop? Factors Influencing Cell Penetration in Manufacturing Plants

There is little understanding as to wherefore firms have various degrees of small room usage. The intent of this inquiry was to identify factors that had arrested continued implementation of small rooms at surveyed manufacturing plants. We place no dominant factor that had thwarted the firms from continued cellularization. However, by means of sub-dividing the plants into those with depressed and high degrees of direct labor hours exhausted in cells, short and drawn out experience with cells, and those with and without plans for further small rooms a clearer pattern emerged. The inability to find families with high and stable demand, lack of time to implement more small rooms the existence of service processe and the difficulty of take away from justifying new cells were the greatest in quantity important factors, although their relative importance varied. The findings support the notion that cellular manufacturing has broad applicability as a form of work organization and that confined apartment users pursue further implementations until no more viable small rooms with sufficient utilization, demand stability, or economic value can be found

Key words: cellular manufacturing; implementation obstacles; take a view of study; manufacturing

Submissions and Acceptance: Received August 2002; revision received July 2003; accepted January 2004

1 Introduction

The diffusion of cellular manufacturing as a stamp of work organization can be studied from sum of two units perspectives: at the industry horizontal and at the plant horizontal Although cellular manufacturing is a conception that dates back to the early 1900's (Benders and Badham 2000) with recorded implementations in the pair American and German companies, it malignant into oblivion-at least in the US- until the early 1980's. Its revival dates to the introduction of the Just-In-Time philosophy in the American industry. Studies present to view that cells are now adopted by dint of between 43 and 53% of firms in the United States and the United Kingdom (Montagno, Ahmed, and Firenze 1995; Waterson et al. 1999; Swamidass 1998) The popularity of cellular manufacturing appears to be linked to firm size. In a inquiry of 1,025 plants by Swamidass (1998) 729% of plants with more than 100 employee were small room users compared to only 384% for plants with les than 100 employees

In this application of mind we are only interested in the dissemination of small rooms within plants. We refer to the expanse of internal cellularization as small room penetration and define it as the fraction of a plant's total direct labor hours worn out in cells (for discussion, diocese Section 3.1). Despite the potential advantages of confined apartments the study by Wemmerl?¶v and Johnson (1997) exhibits that cellular manufacturing is a relatively minor part of manufacturing for greatest in quantity companies, with 70% of the plants responding to the overlooks spending 25% or less of all direct labor hours in small rooms At the same time, however, 16% of the respondent plants wearied more than 50% of all direct labor hours in confined apartments indicating that the extent of confined apartment usage can vary widely from plant to plant. While it is possible that not enough time had elapsed for the plants in the take a view of to fully convert to cellular manufacturing, there was no statistically significant correlation between the percent of direct labor hours in small rooms and the age of the first small rooms installed, nor between the number of labor hours disburseed in cells and the number of plant employee Thus, there was no evidence from that inquiry that larger plants, or those with longer experience with cellular manufacturing, have a higher step of cell penetration than plants with fewer employee or les experience with cells

Since neither plant size nor the extent of time since a plant began implementing small rooms appear, by themselves, to explain the wide range of confined apartment penetration found in plant populations, there must be other variables that limit the expanse to which cells are being used. While a number of factors that may affect small room penetration have been suggested in the literature (see Section 2) there is no empirical research that examines the part and relative importance of these factors, nor their relation to the step of cell penetration. Understanding the character these factors play in curbing confined apartment implementation is part of a larger search to understand "cell applicability"-that is, beneath what conditions do firms diocese cells as feasible and desirable, and when do they not (Wemmerl?¶v and Hyer 1987)?

This close attention relies on data from a mail take a view of of manufacturing plants of which a large number were confined apartment users. The main objective was to identify factors that have caused firms to stop implementing more small rooms The paper proceeds as tread in the steps ofs In the next section, we identify a station of factors suggested in the literature that may play a part in cell deployment. These principal factors became the foundation for the view instrument used in this research Section 3 describes the research methodology, while Section 4 reports upon the characteristics of the responding plants. In Section 5 we not away the findings on the factors affecting confined apartment penetration. Section 6 summarizes the inquiry while Section 7 discusses its limitations and put in mind ofs further research.