Aldep Automated Layout Design Program Download
Roser Blazado
This research aimed to analyze plant layout options for the surface mount device (SMD) process. The research work applied the concept of the three algorithms, i.e., 1. systematic layout planning (SLP), 2. computerized relationship layout planning (CORELAP), and 3. automated layout design program (ALDEP). A total of 12 alternative factory layouts were created and compared in terms of the distance of moving parts per day. It was found that the factory layout type 1 by SLP had the lowest distance for moving parts per day. When comparing the factory layout before and after the improvement, it was found that the moving distance for the layout type 1 by SLP was reduced by 32.68%. The results from this research showed that the SLP and ALDEP techniques ranked first and second, with an average distance of 27,747 and 29,627 meters per day, respectively, in terms of effectiveness. The CORELAP technique seemed very inferior among all three techniques, with an average distance of 30,864 meters per day.
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A recent trend has been the development of computer programme to assist the layout planner in generating alternative layout designs. Computerised layout planning can improve the search of the layout design process by quickly generating a large number of alternative layouts.
CRAFT is concerned. With the minimization of a linear function of the movement between departments Typically CRAFT employs an improvement procedure to obtain a layout design based on the objective of minimizing material handling costs.
It is the only one which uses flow of materials data as the sole basis for development of closeness relationships. Material flow, in terms of some unit of measurement (pounds per day, in terms of skid-loads per week), between each pair of activity areas, forms the matrix to the programme.
A second set of input data allows the user to enter cost of moving in terms of cost per unit moved per unit distance. In many cases this cost input is unavailable or inadequate, in which case it can be neutralized by entering 1.0 for all costs in the matrix.
Space requirements are the third set of input data for CRAFT. These take the form of an initial or an existing layout. For new area layouts, hest guess or even completely random layouts can be used. In any case, activity identification numbers, in a quantity approximate to their space requirements, are entered in an overall area of continuation. The location of any activity can be fixed in the overall area through control cards CRAFT limits the number of activities involved in the layout to 40.
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