(THE PROCESS FLOWCHART)
Process = network of activities performed by resources
1. :
(input)
(output)
2. :
3. : (activities) /
:
:
( )
?
5. ( )
5 :
(1) (, activities)
(2) (, )
(3)
(4) - ( )
(5)
1
:
( ) .
Flow time (activities) .
(critical path), , , .
1 ()
( ):
| Activity | Flow Time (min), | |
| Separate | ||
| Punch the base | ||
| Punch the Roof | ||
| Form the base | ||
| Form the roof | ||
| Subassemble the base | ||
| Assemble | ||
| Inspect |
Path 1 (roof) = 20+25+20+15+40 = 120 min
Path 2 (base) = 20+35+10+30+15+40= 150 min
:
Flow time = Activity time + Waiting time
.
Theoretical Flow time = SUM (Activity time)
1 ()
:
| Activity | Flow Time (min), | |
| Separate | ||
| Punch the base | ||
| Punch the Roof | ||
| Form the base | ||
| Form the roof | ||
| Subassemble the base | ||
| Assemble | ||
| Inspect |
Path 1 = 5 + 10 + 5 + 10 + 15 = 45
Path 2 = 5 + 15 + 5 + 10 + 10 + 15 = 60
Theoretical Flow time = 60 . Flow time = 150 .
(Flow time Efficiency) - (flow time);
Flow time Efficiency = Theoretical Flow time / Average Flow time
Theoretical Flow time = Value-adding flow time + Non-Value-adding flow time
, . , 2 .
|
|
|
:
(1) (batch size)
(2)
(3)
5 :
(1) (work in parallel)
(2) , (work smarter)
(3) (do it right the first time)
(4) (do the quickest things first)
(5) (work faster)
.
, .
. , .
.
, .
.
. TFT. , : , , .
