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Production Planning and Control

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Production Planning and Control
PEMP EMM2517

Session 15 PPC in Pull Production
Lecture delivered by: Vijaya Kumar S Kumar. Asst. Professor MSRSAS. MSRSAS
S. Vijaya Kumar, MSRSAS

M.S Ramaiah School of Advanced Studies - Bangalore

1

PEMP EMM2517

Session Objectives
At the end of the session the delegate would have understood:  Requirements of PPS in a Pull System. g y p  How to design a new PPS system or adapt an existing planning system to a Pull environment.

S. Vijaya Kumar, MSRSAS

M.S Ramaiah School of Advanced Studies - Bangalore

2

PEMP

Push & Pull Systems

EMM2517

• What is a Push system of production? In a traditional setup execution of a sales demand is setup, achieved by the use of work orders, which authorize the release for manufacturing in lot sizes, pre-decided, g ,p , and subsequent assembly. This system is referred to as push systems, since each work order is tracked and pushed through a series of work centers. Results in excessive inventory between work centers. In I a pull system all work centers are activated only ll ll k i d l when there is a withdrawal/consumption.
S. Vijaya Kumar, MSRSAS

M.S Ramaiah School of Advanced Studies - Bangalore

3

PEMP EMM2517

Push & Pull Comparison p sales mps final M R P f
4

Info matl

s ka sub fab

S. Vijaya Kumar, MSRSAS

M.S Ramaiah School of Advanced Studies - Bangalore

PEMP EMM2517

Continued
• Pull production system is also called JIT production OR stockless production. p • Though this system will help in reduction of WIP, it is not possible to produce with no in-process inventory. Some inventory must be held in the buffers • Other conditions for pull production are: • More responsibility for short term planning & control must be with shop supervisors/workers. • Everywhere reduction of inventory & Production=Demand must be practiced.
M.S Ramaiah School of Advanced Studies - Bangalore 5

S. Vijaya Kumar, MSRSAS

PEMP EMM2517

Continued
Minimum b/downs by PM & TPM. Total quality assurance by prevention. Setup times must be
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