Copyright © 2015 The eVSM Group, All Rights Reserved
The EPEI wizard calculates the min possible and actual EPEI (Every Part Every Interval)
intervals for multiple products going through a single station with differing demands and
lot sizes. This tutorial will guide you through the steps to draw the following example
using the EPEI Wizard.
EPEI Wizard Tutorial
Viewing/printing eVSM Tutorial:
This tutorial is designed for two
page layout. If printing, you will
need double-sided print.
For on-screen viewing, save the PDF
file to your PC and then open it in
Acrobat Reader (not in a web
browser). In the Acrobat menus,
click “View>Page Display", make
sure “Show Cover Page in Two Page
View” is checked and then select
"Two Page View”.
Activity TimeHr
Day16
A0230
Production Activity
EPEI Min Day1.50
EPEI Actual Day4
WACT Min2.87
Weighted Qty Per Cycle
Item1.00
Weighted OEE %83.94
Weighted Scrap
%5.27
Uptime Percent
%95
Product A
Product Demand
ItemDay
85
Time Per Changeover
Min60
Cycle Time Min3
Qty Per Cycle Item1
A0240
Activity Scrap %5
Downstream Scrap
%5
Performance %99
Actual Lot Size Item376.73
Actual Lot Spare Time
Min78.70
Uptime Percent
%90
Product B
Product Demand
ItemDay
65
Time Per Changeover
Min45
Cycle Time Min4
Qty Per Cycle Item1
A0250
Activity Scrap %6
Downstream Scrap
%7
Performance %95
Actual Lot Size Item297.41
Actual Lot Spare Time
Min89.60
Uptime Percent
%100
Product C
Product Demand
ItemDay
100
Time Per Changeover
Min30
Cycle Time Min2
Qty Per Cycle Item1
A0260
Activity Scrap %5
Downstream Scrap
%5
Performance %100
Actual Lot Size Item443.21
Actual Lot Spare Time
Min57.16
Copyright © 2015 The eVSM Group, All Rights Reserved
On your Desktop, click
the “Start eVSM” icon.
1
Click to enable
macros.Click “Trust all from
publisher” to avoid the
security notice in future.
3
4
If you see a message like this,
you must “Enable” macros.
2
Start eVSMStep 1:
Copyright © 2015 The eVSM Group, All Rights Reserved
Quick_eVSM
Learn eVSM BasicsStep 2:
Avoid re-sizing eVSM shapes. Instead
grow the drawing page when needed.
To resize the page, hold down the “Ctrl”
key, and then drag any page edge to the
required size. This method works on all
four edges of the page.
2
VSM
Save your Visio file and then
insert a new page via the right-
mouse menus on the page-tabs.
5
Copyright © 2015 The eVSM Group, All Rights Reserved
Learn eVSM Basics
Blue icons in the main stencil
represent families of shapes. Drag
out the Transport icon.
3
Use the shape’s
right-mouse menus
to turn it into a car
4
eVSM Help resources are available in
the Learn module of the toolbar. Hover
over each one to see what they do.
1
Copyright © 2015 The eVSM Group, All Rights Reserved
Click the Open button and
select EPEI under the
wizard column.
1
Initiate an EPEI Wizard MapStep 3:
Drag out the red
Process shape
first.
2
Process
Uptime Percent
%100
Product XX
Product Demand
ItemDay
xx
Time Per Changeover
Minxx
Cycle Time Minxx
Qty Per Cycle Item1
A0240
Activity Scrap %0
Downstream Scrap
%0
Performance %100
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%100
Product XX
Product Demand
ItemDay
xx
Time Per Changeover
Minxx
Cycle Time Minxx
Qty Per Cycle Item1
A0250
Activity Scrap %0
Downstream Scrap
%0
Performance %100
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%100
Product XX
Product Demand
ItemDay
xx
Time Per Changeover
Minxx
Cycle Time Minxx
Qty Per Cycle Item1
A0260
Activity Scrap %0
Downstream Scrap
%0
Performance %100
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Product
Drag out three
Product
centers.
5
Open
Lot Spare Time is
divided by product
but should probably
be lumped together.
6
P P P
Copyright © 2015 The eVSM Group, All Rights Reserved
Initiate an EPEI Wizard Map
Activity TimeHr
Dayx.xx
A0230
Production Activity
EPEI Min DayAuto
EPEI Actual Dayx.xx
60
Min
Sec
60
Hr
Min
WACT MinAuto
Weighted Qty Per Cycle
ItemAuto
Weighted OEE %Auto
Weighted Scrap
%Auto
Un
its
eVSM
Data
WizEPEI
8.02.0000.
0
EPEI Actual must
be at least equal
to EPEI Min.
4
EPEI Min is calculated
based on Activity Time,
Changeover Time, and
Demand.
3
P
Copyright © 2015 The eVSM Group, All Rights Reserved
Annotate the map
with the appropriate
values.
1
Fill in valuesStep 4:
Uptime Percent
%95
Product A
Product Demand
ItemDay
85
Time Per Changeover
Min60
Cycle Time Min3
Qty Per Cycle Item1
A0240
Activity Scrap %5
Downstream Scrap
%5
Performance %99
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%90
Product B
Product Demand
ItemDay
65
Time Per Changeover
Min45
Cycle Time Min4
Qty Per Cycle Item1
A0250
Activity Scrap %6
Downstream Scrap
%7
Performance %95
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%100
Product C
Product Demand
ItemDay
100
Time Per Changeover
Min30
Cycle Time Min2
Qty Per Cycle Item1
A0260
Activity Scrap %5
Downstream Scrap
%5
Performance %100
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Do not change the blue
Auto fields. These will
get calculated later.
2
P P P
Copyright © 2015 The eVSM Group, All Rights Reserved
Fill in values
Activity TimeHr
Day16
A0230
Production Activity
EPEI Min DayAuto
EPEI Actual Day4
60
Min
Sec
60
Hr
Min
WACT MinAuto
Weighted Qty Per Cycle
ItemAuto
Weighted OEE %Auto
Weighted Scrap
%Auto
Un
its
eVSM
Data
WizEPEI
8.02.0000.
0
P
Copyright © 2015 The eVSM Group, All Rights Reserved
To add sequence arrows,
hold down the SHIFT key
and select the shapes in
the correct order.
1
Sequence ArrowsStep 5:
Uptime Percent
%95
Product A
Product Demand
ItemDay
85
Time Per Changeover
Min60
Cycle Time Min3
Qty Per Cycle Item1
A0240
Activity Scrap %5
Downstream Scrap
%5
Performance %99
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%90
Product B
Product Demand
ItemDay
65
Time Per Changeover
Min45
Cycle Time Min4
Qty Per Cycle Item1
A0250
Activity Scrap %6
Downstream Scrap
%7
Performance %95
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%100
Product C
Product Demand
ItemDay
100
Time Per Changeover
Min30
Cycle Time Min2
Qty Per Cycle Item1
A0260
Activity Scrap %5
Downstream Scrap
%5
Performance %100
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Click the Sequence
button.
2
P P P
A B C
Sequence
Copyright © 2015 The eVSM Group, All Rights Reserved
Sequence Arrows
Activity TimeHr
Day16
A0230
Production Activity
EPEI Min DayAuto
EPEI Actual Day4
60
Min
Sec
60
Hr
Min
WACT MinAuto
Weighted Qty Per Cycle
ItemAuto
Weighted OEE %Auto
Weighted Scrap
%Auto
Un
its
eVSM
Data
WizEPEI
8.02.0000.
0
P
D
Copyright © 2015 The eVSM Group, All Rights Reserved
Auto PathStep 6:
Uptime Percent
%95
Product A
Product Demand
ItemDay
85
Time Per Changeover
Min60
Cycle Time Min3
Qty Per Cycle Item1
A0240
Activity Scrap %5
Downstream Scrap
%5
Performance %99
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%90
Product B
Product Demand
ItemDay
65
Time Per Changeover
Min45
Cycle Time Min4
Qty Per Cycle Item1
A0250
Activity Scrap %6
Downstream Scrap
%7
Performance %95
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Uptime Percent
%100
Product C
Product Demand
ItemDay
100
Time Per Changeover
Min30
Cycle Time Min2
Qty Per Cycle Item1
A0260
Activity Scrap %5
Downstream Scrap
%5
Performance %100
Actual Lot Size ItemAuto
Actual Lot Spare Time
MinAuto
Click the Auto Path
button.
1
1 1 1
Auto Path
Click the Show Seq button
for sequence arrow
visibility.
2
Show Seq.
Copyright © 2015 The eVSM Group, All Rights Reserved
Auto Path
Activity TimeHr
Day16
A0230
Production Activity
EPEI Min DayAuto
EPEI Actual Day4
60
Min
Sec
60
Hr
Min
WACT MinAuto
Weighted Qty Per Cycle
ItemAuto
Weighted OEE %Auto
Weighted Scrap
%Auto
Un
its
eVSM
Data
WizEPEI
8.02.0000.
0
1
Copyright © 2015 The eVSM Group, All Rights Reserved
Perform CalculationsStep 7:
Uptime Percent
%95
Product A
Product Demand
ItemDay
85
Time Per Changeover
Min60
Cycle Time Min3
Qty Per Cycle Item1
A0240
Activity Scrap %5
Downstream Scrap
%5
Performance %99
Actual Lot Size Item376.73
Actual Lot Spare Time
Min78.70
Uptime Percent
%90
Product B
Product Demand
ItemDay
65
Time Per Changeover
Min45
Cycle Time Min4
Qty Per Cycle Item1
A0250
Activity Scrap %6
Downstream Scrap
%7
Performance %95
Actual Lot Size Item297.41
Actual Lot Spare Time
Min89.60
Uptime Percent
%100
Product C
Product Demand
ItemDay
100
Time Per Changeover
Min30
Cycle Time Min2
Qty Per Cycle Item1
A0260
Activity Scrap %5
Downstream Scrap
%5
Performance %100
Actual Lot Size Item443.21
Actual Lot Spare Time
Min57.16
Notice the blue values
have all been
calculated.
3
Click the “Solve” button
to calculate
2
Click the “Check” and
button fix any problems
flagged
1
Check
Solve
1 1 1
Copyright © 2015 The eVSM Group, All Rights Reserved
Perform Calculations
Activity TimeHr
Day16
A0230
Production Activity
EPEI Min Day1.50
EPEI Actual Day4
60
Min
Sec
60
Hr
Min
WACT Min2.87
Weighted Qty Per Cycle
Item1.00
Weighted OEE %83.94
Weighted Scrap
%5.27
Un
its
eVSM
Data
WizEPEI
8.02.0000.
0
1
Copyright © 2015 The eVSM Group, All Rights Reserved
Drag out the
Product Wheel and
EPEI Chart.
1
Visualize with ChartsStep 8:
Uptime Percent
%95
Product A
Product Demand
ItemDay
85
Time Per Changeover
Min60
Cycle Time Min3
Qty Per Cycle Item1
A0240
Activity Scrap %5
Downstream Scrap
%5
Performance %99
Actual Lot Size Item376.73
Actual Lot Spare Time
Min78.70
Uptime Percent
%90
Product B
Product Demand
ItemDay
65
Time Per Changeover
Min45
Cycle Time Min4
Qty Per Cycle Item1
A0250
Activity Scrap %6
Downstream Scrap
%7
Performance %95
Actual Lot Size Item297.41
Actual Lot Spare Time
Min89.60
Uptime Percent
%100
Product C
Product Demand
ItemDay
100
Time Per Changeover
Min30
Cycle Time Min2
Qty Per Cycle Item1
A0260
Activity Scrap %5
Downstream Scrap
%5
Performance %100
Actual Lot Size Item443.21
Actual Lot Spare Time
Min57.16
Production Sequence
0 10 20 30 40 50 60
A0240
Product A
A0250
Product B
A0260
Product C
64.00
Product Wheel
EPEI Chart
Right-click and
select Plot Ladder
Chart.
3
1 1 1
Actual
EPEI
Interval
P
Copyright © 2015 The eVSM Group, All Rights Reserved
Visualize with Charts
Activity TimeHr
Day16
A0230
Production Activity
EPEI Min Day1.50
EPEI Actual Day4
60
Min
Sec
60
Hr
Min
WACT Min2.87
Weighted Qty Per Cycle
Item1.00
Weighted OEE %83.94
Weighted Scrap
%5.27
Un
its
Production Sequence
64
| 0
11Hr
21
32
43
53
A0240
Product A
A02
50P
rod
uct
B
A0260Product C
Actual Lot Run Time
Legend
Time Per Changeover
Actual Lot Spare Time
Production SequenceHr
70
Actual Lot Run Time
Legend
Time Per Changeover
Actual Lot Spare Time
Right-click and
select Plot Ladder
Chart.
2
1
eVSM
Data
WizEPEI
8.04.0339.
0
20150514
Product
Wheel
P