Contents
Abstract
. 2
Acknowledgements
and Biographical Note
. 3
1. Introduction
. 6
2. Manufacturing Resource Planning (MRP II)
2.1 What is MRP and why is it
being used?
..
. 8
2.1.1 Definition and History
8
2.1.2 MRP II hierarchy
.
.. 9
2.2 What are its problems?
.
.. 13
2.3 What solutions are being
proposed to solve these problems?
....
16
3.1 What is production/shop floor
control (SFC)?
. 19
3.1.1 Definition
.. 19
3.1.2 Objectives of SFC
. 20
3.1.3 Functions in SFC
...
21
3.2 What are the characteristics
of a good SFC design?
22
3.3 SFC in Pull systems and Push
systems
. 24
4. MRP II as a tool for shop floor control
4.1 How does MRP II achieve shop
floor control?
.. 27
4.1.1 MRP Input
....
28
4.1.2 MRP Procedure
.. 29
4.1.3 MRP Output
...
..
30
4.2 What limitations and
constraints are faced in doing this?
..
. 31
4.3 How do MRP hybrid systems
overcome these limitations and constraints?
..
. 37
5.1 Background of company X
.
. 41
5.1.1 What do they make?
..
42
5.1.2 Who are their customers?
. 42
5.1.3 How long have they been using MRP and what did they have
before? ..
43
5.1.4 Are they making any attempts to integrate with Lean?
..
.. 43
5.2 Description of Company Xs
MRP II system based on the model B product
line
44
5.2.1 Product type and specifications
.. 44
5.2.2 Value stream of part A and model B from forecast to shipping
.
44
5.2.3 The MRP process at company X
.
49
5.3 General observations
.
.
52
5.4 New and Improved value stream
map with linked cell system
.
.
54
6. Conclusions
..
59
Bibliography
.
63
1. The Limitations and constraints of MRP II as a tool for
shop floor control
.
. 59
1.
Production Design Decomposition
.
.
65
2.
Photos of company X
..
(66-71)
3.
Various MRP documents from company
X
.
(72-81)