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22-Mec-B4 Integrated Manufacturing Systems: December 2014

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Process Capability and Average-and-Range Control Limits
  2. Question 2 Computer-Aided Process Planning — Justification, Types and Selection
  3. Question 3 Break-Even Justification of Numerically Controlled and Transfer Machines
  4. Question 4 CAD, Process Planning, CAPP, Routing Sheets and Group Technology
  5. Question 5 Design of an Inventory Control System for a New Product
  6. Question 6 Choosing an Economic Order Quantity Approach in Three Awkward Cases
  7. Question 7 Materials Handling, Inventory Control and Forecasting Model Selection

Start with Question 1 →

Paper format. National Exams, December 2014 — 07-Mec-B4, Integrated Manufacturing Systems. Three hours; open book; any non-communicating calculator permitted. Seven questions are printed and any five constitute a complete paper, each of equal value (20 marks); only the first five appearing in the answer book are marked. Several questions call for an essay answer, where clarity and organisation carry marks. Note 1 of the paper invites the candidate to submit a clear statement of any assumption made where a question is open to interpretation — that licence is used twice below and each use is flagged. All seven questions are worked here, so the set can serve as a complete study resource.

Reference texts. Chase, Jacobs & Aquilano, Operations and Supply Chain Management (McGraw-Hill) — the source of this paper's inventory, break-even and quality material; Groover, Automation, Production Systems, and Computer-Integrated Manufacturing (Pearson) for process planning, CAPP, group technology and materials handling; Montgomery, Introduction to Statistical Quality Control (Wiley) for the Shewhart chart constants and the normal-tail arithmetic of Question 1; Nahmias & Olsen, Production and Operations Analysis (Waveland) for the production-lot inventory model of Question 5 and the forecasting material of Question 7; Kalpakjian & Schmid, Manufacturing Engineering and Technology (Pearson) for the machining and CAD context. Canadian practice for the quality half of the paper follows CSA / ISO 9001 and the ISO 7870 series on control charts, which tabulate the same constants used below; costs are read as Canadian dollars because the paper does not say otherwise.