Operations and Supply Chain Management The Core

LEAN SUPPLY CHAINS chapter 12 425
Map of the Current State exhibit 12.16
Suppliers
Production
control
(ERP)
Customer
Daily
Daily
I
Machine 1
1
I
Machine 2
1
I
Assembly
10
3 days
0.5 min
1.2 min 2.2 min
1 days 0.5 days
Production
lead = 4.5 days
Process
time = 3.9 min.
Source: Jared Lovelle, “Mapping the Value Stream,” IIE Solutions 33, no. 2 (February 2001), p. 32.
Map of the Future State exhibit 12.17
Suppliers
Production
control
(ERP)
Customer
Daily
Daily
FIFO
0.25 day
Machine 1
Machine 2
Combine
1 machines 1 and
2 into a single
machine cell
0.5 min
One-piece
flow
Assembly
10
1.2 min
One-piece
2.2 min
flow
Production
lead = 0.25 day
Process
time = 3.9 min.
Source: Jared Lovelle, “Mapping the Value Stream,” IIE Solutions 33, no. 2 (February 2001), p. 32.