Please read the Quality Parts Company case study on pages 429-430 and answer the following questions based on (1) your analysis of the data presented in the case, (2) the material covered in Chapter 12, and

(3) our discussion of project management and manufacturing processes.

Please note a few of these questions are different than those in text. A review of exhibits 12.2 and 12.4 and the Solved Problem 2 on pages 423-426 may be helpful.

Which of the changes being considered by the manager of Quality Parts Company are counter to the JIT philosophy?

What recommendations would you make to improve production efficiency? Assume you have full latitude regarding layout changes, facility modifications, and so on.

Be specific and state all your assumptions.

Modify the layout of the current production flow on page 2 to reflect your recommendations.

NOTE: Hand-drawn modifications will be acceptable.

Quality Parts Corapany supplies gimos for a computer man- cin hold up to 20 girmos at a ume, Approsinuse times per ufacturer located a few miles away. The company profoces unit by operation pumber and oquipmest eethp times are two different models of gizmos in produstion runs ringing shown in Ethibit 12.15. from 100 to 300 units. Denund for mixmes from the computer compuny mangs The production flow of models X and Y is shown in between 125 and 175 per niced, oqualy dividod arrogg X. Y. otherwise follows the satne flosy fagern as X and Y : Skids make certain that a buffer eock is always a allwhe Rere materally exhibit 12.15 Operations and Setup Time \begin{tabular}{lcc} \hline Operation Number AND NAME & OPERATION TIME (MINUTES) & SETUP TiME (MINUTES) \\ \hline Milling for Model Z & 20 & 60 \\ \hline 1 Lathe & 50 & 30 \\ \hline 2 Mod. 14 drill & 15 & 5 \\ \hline 3 Mod. 14 drill & 40 & 5 \\ \hline 4 Assembly step 1 & 50 & \\ \hline Assembly step 2 & 45 & \\ \hline Assembly step 3 & 50 & \\ \hline 5 Inspection & 30 & \\ \hline 6 Paint & 30 & \\ \hline 7 Oven & 50 & \\ \hline 8 Packing & 5 & \\ \hline \end{tabular} Quality Parts Corapany supplies gimos for a computer man- cin hold up to 20 girmos at a ume, Approsinuse times per ufacturer located a few miles away. The company profoces unit by operation pumber and oquipmest eethp times are two different models of gizmos in produstion runs ringing shown in Ethibit 12.15. from 100 to 300 units. Denund for mixmes from the computer compuny mangs The production flow of models X and Y is shown in between 125 and 175 per niced, oqualy dividod arrogg X. Y. otherwise follows the satne flosy fagern as X and Y : Skids make certain that a buffer eock is always a allwhe Rere materally exhibit 12.15 Operations and Setup Time \begin{tabular}{lcc} \hline Operation Number AND NAME & OPERATION TIME (MINUTES) & SETUP TiME (MINUTES) \\ \hline Milling for Model Z & 20 & 60 \\ \hline 1 Lathe & 50 & 30 \\ \hline 2 Mod. 14 drill & 15 & 5 \\ \hline 3 Mod. 14 drill & 40 & 5 \\ \hline 4 Assembly step 1 & 50 & \\ \hline Assembly step 2 & 45 & \\ \hline Assembly step 3 & 50 & \\ \hline 5 Inspection & 30 & \\ \hline 6 Paint & 30 & \\ \hline 7 Oven & 50 & \\ \hline 8 Packing & 5 & \\ \hline \end{tabular}