Chapter 3 master scheduling Flashcards
- After production planning the next step in the manufacturing planning and control process is to prepare…
Master production schedule MPS; What manufacturing will actually build
- Master scheduling: master production schedule is the basis for communications between…
sales and manufacturing
- Master scheduling:MPS is the priority plan for
Manufacturing
- Master scheduling: MPS drives the
Material requirements plan; basis for calculating capacity and resources necessary
- Master scheduling: Developing a master production schedule MPS; the objectives of the MPS?
- To maintain the desired level of customer service by maintaining inventory levels to meet customer requirements
- To make the best use of material, labor, and equipment
3 to maintain inventory investment at the required levels
- Master scheduling: Developing a master production schedule MPS; Three steps in preparing the MPS
- Develop preliminary MPS
- Check the Preliminary MPS against the available capacity
- Resolve differences between the preliminary MPS and the capacity available
- Master scheduling: Developing a master production schedule MPS; Once the preliminary master production schedules are made they must be checked against available capacity. This process is called?
Rough-cut capacity planning
- Master scheduling: Developing a master production schedule MPS; rough-cut capacity planning checks for…
availability of critical resources such as operations, labor, and materials
- Master scheduling: Developing a master production schedule MPS; rough-cut capacity planning; is the available capacity…
Greater than the required capacity; adjustments may have to be made in overtime, labor, or equipment to meet customer needs
- Master scheduling: Developing a master production schedule MPS; The MPS must be judged by three criteria…
- Resource use
- Customer service
- Cost
- Master scheduling: Developing a master production schedule MPS; Master schedule decisions; the MPS should represent as clearly as possible what…
manufacturing will make;
- Master scheduling: Developing a master production schedule MPS; Planning horizon Is the…
Time spent for which plans are made; a period equal to the time required to accomplish the plan
- Master scheduling: Production planning, master scheduling, and sales; the production plan reconciles the…
Total forecast demand with available resources;
- master scheduling: Production planning, master scheduling, and sales;MPS is a plan for ….
What production can do
- master scheduling: Production planning, master scheduling, and sales Available to promise
ATP is that portion of a firm’s inventory that is planned production that is not already committed and is available to the customer
50 Master scheduling:The MPS and delivery promises; The ATP is calculated by adding
Scheduled receipt to the beginning inventory and subtracting actual orders
52 Master scheduling:Production planning, master scheduling, and sales; Projected available balance; The demand time fence
The demand time fence is the number of periods beginning with. One in which changes are not accepted due to excessive cost caused by schedule distribution
52 Master scheduling:Production planning, master scheduling, and sales; Projected available balance; For periods Before the demand time fence the PAB is calculated as
Prior PERIOD PAB or on hand balance + the MPS - customer orders; This process ignores the forecast and assumes that the only effect will be from customer orders.
52 Master scheduling:Production planning, master scheduling, and sales; Projected available balance; For periods AFTER the demand time fence the PAB is calculated Using
For periods after the demand time fence the PAB is calculated using the forecast or customer orders whichever is greater
PAB = prior. PAB + MPS - greater of customer orders or the forecast
54 Master scheduling:Production planning, master scheduling, and sales; Projected available balance; What are the three time fences?
- Frozen zone
- Slushy zone
- Liquid zone
54 Master scheduling:Production planning, master scheduling, and sales; Projected available balance; Frozen zone
In the frozen zone capacity and materials are committed to specific orders; changes would result in excessive costs
53 Master scheduling:Production planning, master scheduling, and sales; Projected available balance; Slushy zone
In the slushy zone, capacity and materials are committed in a lesser extent in this area trade-offs can be negotiated between marketing and manufacturing