Presentation is loading. Please wait.

Presentation is loading. Please wait.

Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Capitolo 4 Analisi dei processi.

Similar presentations


Presentation on theme: "Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Capitolo 4 Analisi dei processi."— Presentation transcript:

1 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Capitolo 4 Analisi dei processi

2 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l.

3 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Make-to-stock x x Make-to-order Ibrido in parallelo to-stock to-order to-stock to-order Ibrido in serie Carne: 45 s Pane: 9 s Max 30 min Max 15 sec

4 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. o lotti WIP = throughput / attraversamento

5 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Panificazione su due turni: 16 lotti/turni: totale 24 lotti/giorno Confezionamento su tre turni: 10,6 lotti/turno: totale 24 lotti/giorno Picco magazzino alla fine del secondo turno: 10,6 lotti (da zero allinizio del primo turno) WIP medio nei primi due turni: 5,3 lotti (velocità di accumulo 5,3 lotti/turno) WIP medio nel terzo turno: 5,3 lotti (velocità di accumulo -10,6 lotti/turno) Permanenza in magazzino = WIP medio x tempo di ciclo = 5,3 x 0,75 ore = 4 ore in magazzino freschezza media del confezionato 4,75 ore

6 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Manufacturing Planning and Control Chapter 1 Vollmann, Berry, Whybark & Jacobs

7 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Definition A Manufacturing Planning and Control system is a methodology designed to manage efficiently the flow of material, the utilization of people and equipment, and to respond to customer requirements by utilizing the capacity of our suppliers, that of our internal facilities, and in some cases that of our customers to meet customer demand.

8 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. A Context for Thinking about Manufacturing Planning and Control (MPC) What are processes? Processes define how we do things! Step 1 Step 2 Step 3 etc. So, what is the role of MPC? The MPC system tells the processes what to work on. Plans the resources that processes use (i.e. people, equipment, material). Plans for what processes will be doing in the future.

9 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Definition Mfg Planning and Control System Manage the efficient flow of materials Plan the use of people Efficient use of our capacity and that of our suppliers. Possibly even our customers. Driven by customer demand and other Customer requirements Often part of a companys ERP system.ERP system

10 Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Agenda What influences the MPC system design? What are the typical support activities? (LT, MT, ST) Performance indicators MPC Framework (FE, E, BE) Matching MPC system with Needs Classification Schema Evolution & Responses


Download ppt "Operation Management 2ed – R. Chase Copyright © 2008 – The McGraw-Hill Companies s.r.l. Capitolo 4 Analisi dei processi."

Similar presentations


Ads by Google