Multiple Routings and Capacity Consideration in Group Technology Applications.
MetadataShow full item record
This paper addresses the problem of manufacturing cell formation, given multiple part routings, and multiple functionally similar work-centers. The suggested choice of part routings favors the decomposition of the manufacturing system into manufacturing cells in a way that minimizes part traffic, along with satisfying the part demand and work-center capacity constraints. The proposed heuristic, iteratively solves two independent problems: (i) routing selection, and (ii) cell formation. The common objective is to minimize the inter-cell traffic in the system. The first problem is formulated as a linear-programming problem, while the latter is approached by an existing bottom-up aggregation procedure, known as Inter-Cell Traffic Minimization Method (ICTMM), enhanced appropriately. Applications of the proposed system include: (i) the design of a manufacturing facility with respect to machine layout, (ii) selection of part routings for changing product mixes, and (iii) assignment of new parts to part families, given the initial layout.