Master Planning and Scheduling, 4th Edition

10Using Master Planning and Scheduling Output for Make‐to‐Order Products

In the absence of facts, arguments will persist.

This chapter considers how the master planner and/or master scheduler working with products in a make‐to‐order (MTO) environment uses the information presented by the master planning and scheduling (MPS) system. Special attention is given to the following:

• Differences in the information used for make‐to‐stock (MTS) and make‐to‐order (MTO) products;
• Using the planning bill to generate demand forecasts for master planned and/or master scheduled items;
• Balancing the master plan and/or master schedule to actual and anticipated demand for pseudo items;
• How available‐to‐promise (ATP) information and forecast consumption data are handled;
• Overplanning MTO products at the option level in the partially sold‐out zone;
• Action messages supplied by the enterprise resource planning (ERP) and master planning and scheduling (MPS) computer system and how the master planner and/or master scheduler may respond to those action messages.

To maintain continuity, this chapter uses the winch example introduced in Chapter 5. Figure 10.1 on page 314 describes the three winch models, WA01, WA04, and WA06, listing all major components. The matrix used here is a helpful way of identifying what is common and what is unique within the product structure of the winch product family. Notice that the A100 carriage assembly, G102 gearbox 4 fpm, 1‐inch shaft, and P100 pendant assembly are ...