Process yield measures should be able to expose even the smallest inefficiencies within a process, empowering operations to understand their true process yield in order to set realistic targets for improvement. Many organizations employ two primary measures of process yield: First Time Yield (FTY) and Final Yield (FY).
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Ops 571 final exam guide (new, 2018) you have been called in as a consultant ...ramuaa124
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1.
Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
Process wind tunnel - A novel capability for data-driven business process imp...Sudhendu Rai
A talk I gave recently on data-driven process improvement methodology and techniques with applications and results from insurance and finance processes
Ops 571 final exam guide (new, 2018) you have been called in as a consultant ...ramuaa124
For more classes visit
www.snaptutorial.com
1.
Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
You have been called in as a consultant to set up a kanban control systemjohann11374
FOR MORE CLASSES VISIT
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1. Which of the following is a measure of operations and supply management efficiency used by Wall Street? Dividend payout ratio Receivable turnover Current ratio Financial leverage Earnings per share growth
2. An activity-system map is which of the following? A diagram that shows how a company's strategy is delivered to customers A timeline displaying major planned events A network guide to route airlines A facility layout schematic noting what is done where A listing of activities that make up a project
You have been called in as a consultant to set up a kanban control systemramuaa130
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1.
Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
Ops 571 final exam guide (new, 2018) you have been called in as a consultant ...never1239
For more course tutorials visit
www.tutorialrank.com
1.
Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
For more course tutorials visit
Uophelp is now newtonhelp.com
www.newtonhelp.com
1.
Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
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Quality Assurance System
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Other Points from customer
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Homepage: http://www.china-qualityinspection.com/
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1.
Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
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FOR MORE CLASSES VISIT
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1. Which of the following is a measure of operations and supply management efficiency used by Wall Street? Dividend payout ratio Receivable turnover Current ratio Financial leverage Earnings per share growth
2. An activity-system map is which of the following? A diagram that shows how a company's strategy is delivered to customers A timeline displaying major planned events A network guide to route airlines A facility layout schematic noting what is done where A listing of activities that make up a project
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www.newtonhelp.com
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Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
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www.tutorialrank.com
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Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
Current ratio
Financial leverage
Earnings per share growth
For more course tutorials visit
Uophelp is now newtonhelp.com
www.newtonhelp.com
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Which of the following is a measure of operations and supply management efficiency used by Wall Street?
Dividend payout ratio
Receivable turnover
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Other Points from customer
More: http://www.china-qualityinspection.com/Factory-Audit-Supplier.html
http://www.china-qualityinspection.com/Report-Sample/Factory-Audit-Evaluation/
Homepage: http://www.china-qualityinspection.com/
In this presentation, we will discuss production planning system, factors determining production control procedure, role of production planning and control in operations management, scope of production planning and control, its phases and principles. We will also talk about framework for strategy formulations and task control, PPC limitations, effectiveness, PPC in different systems, requirement of an effective PPC in a system and make or buy analysis.
To know more about Welingkar School’s Distance Learning Program and courses offered, visit: http://www.welingkaronline.org/distance-learning/online-mba.html
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For more course tutorials visit
Uophelp is now newtonhelp.com
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Which of the following is a measure of operations and supply management efficiency used by Wall Street?
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2. citoolkit.com
Introduction
An ideal process must produce without
defects or rework.
Process Yield Measures 2
A defect is a failure to
conform requirements
(include scrap & rework).
A rework is an additional
work required to conform
requirements.
5. citoolkit.com
Process Yield Measures
One should have the appropriate metrics capable of revealing even the
smallest inefficiencies in a process to measure process yield.
Process Yield Measures 5
These metrics should enable operations to understand their true process yield in
order to set realistic improvement targets.
6. citoolkit.com
Process Yield Measures
Many companies use two measures for process yield.
Process Yield Measures 6
They represent the classical approach for calculating process yield.
First time yield (FTY)
Final yield
7. citoolkit.com
First Time Yield (FTY)
Obtained by dividing the good product units by the number of total units
that entered the process at a given process step.
Process Yield Measures 7
Process
Step (X)
Inspect for
Defects
End
Start
Note that the reworked units are included in the calculation of FTY.
8. citoolkit.com
First Time Yield (FTY)
Question:
Find the FTY for a process knowing that the second process steps has
produced 90 good units from 100 processed units.
Process Yield Measures 8
Answer: 90%
9. citoolkit.com
First Time Yield (FTY)
Not sensitive to product complexity and only looks at the volume of the
produced units.
Process Yield Measures 9
Corrective actions are often taken on
spot when mistakes are discovered,
and rework are not recorded in quality
logs making the process yield rate
looks better than what it really is.
10. citoolkit.com
Final Yield (FY)
The probability that a unit will successfully pass all steps inspected at the
end of the process.
Process Yield Measures 10
Another widely used yield metric that is easy to calculate.
11. citoolkit.com
Final Yield (FY)
Obtained by counting the good units that made it through until the last
process step divided by the total number of units that entered the process.
Process Yield Measures 11
Last Process
Step
Inspect for
Defects
End
Start
13. citoolkit.com
First Time Yield and Final Yield
Process Yield Measures 13
Only look at the volume of the produced units
Not sensitive to product complexity
Corrective actions are often taken on spot when mistakes are discovered
Process yield rates often look better than what they really are
Don’t reflect the actual defect rates and ignore the hidden factory
A P/F
100
Inputs
100
Outputs
FTY = 100%
B P/F
FTY = 100%
• FY = 100%
• No scrapped units are produced
14. citoolkit.com
More Process Yield Measures
Process Yield Measures 14
First Time Yield Final Yield
Throughput Yield Rolled Throughput Yield
-
Accuracy
+
- Cumulative +
15. citoolkit.com
Throughput Yield (TPY)
The probability that a product or service unit will pass through a given
process step defect-free.
Process Yield Measures 15
Sometimes rereferred to as First Pass Yield
16. citoolkit.com
Throughput Yield (TPY)
The number of units coming out a given process step divided by the
number of units going into that process step over a specified period.
Process Yield Measures 16
Only good units with no rework or scrap are counted
17. citoolkit.com
Throughput Yield vs. First Time Yield
The difference between the two metrics is due to the inclusion of reworked
units.
Process Yield Measures 17
A reworked unit that passed the
process step will not be considered in
the calculation of throughput yield
A reworked unit is considered
in the calculation of the FTY
18. citoolkit.com
Rolled Throughput Yield (RTY)
The probability of passing all performance standards through the entire
process defect-free.
Process Yield Measures 18
Inspection at the
end of the
process
RTY is a true reflection of the process performance
19. citoolkit.com
Rolled Throughput Yield (RTY)
It is calculated by multiplying the individual throughput yield values of each
process step.
Process Yield Measures 19
RTY = Throughput Yield of process step 1 *
Throughput Yield of process step 2 * … *
Throughput Yield of process N.
20. citoolkit.com
Rolled Throughput Yield (RTY)
Process Yield Measures 20
Calculations are done at each
process step
Quantifies the cumulative effects
of inefficiencies found throughout
the process
Allows companies to be much more accurate when assessing the
performance of their industrial or commercial processes
Substantially less than final yield
Provides a better insight of the
rates of defect and rework
21. citoolkit.com
Example
Process Yield Measures 21
RTY = TPY(A) * TPY(B) * TPY(C) = 94% * 91% * 92% = 78.7%
FY = 89%
Not
equal!
C
TPY= 92%
B
TPY= 91%
A
TPY= 94%
89
Outputs
100
Inputs
6 4 9 4 8 4
Defects (Rework & Scrap)
2 5 4
Scrap
This means that even if the 3 process steps are performing well, one out of every 5 units
will not make it through the process without being reworked or scrapped.
22. citoolkit.com
Example – Can Making Process
Process Yield Measures 22
Printed can count
98.18%
Cupper count
99.54%
Formed can count
99.11%
Trimmed can
count
99.77%
Washed can
count
98.34%
Palletized can
count
98.89%
Light inspected
can count
97.88%
Internally
sprayed can
count 98.88%
Coated can count
99.26%
The probability of manufacturing a can that meets all specifications is 90.28%.
23. citoolkit.com
Example - High Volume and Low Complexity
What is the RTY of a process that involve 5 steps and produces 30,000 units
per hour, knowing that the throughput yield for each process step is 95%?
Process Yield Measures 23
RTY = (0.95)5 = 77.4%
Throughput Yield / hour = 0.7738 * 30,000 = 23,213 TPY / hour
i.e., 6787 non-conforming units / hour (22.6%)
24. citoolkit.com
Example - Low Volume and High Complexity
What is the RTY of a process that involves 30 steps and produces 10 units
per hour, knowing that the throughput yield for each process step is 95%?
Process Yield Measures 24
RTY = (0.95)30 = 22.5%
Throughput Yield / hour = 0.2146 * 10 = 2.15 TPY / hour
i.e., 8 non-conforming units / hour (77.5%)
25. citoolkit.com
Further Information
Process Yield Measures 25
Simplification of the process needs to be considered to improve the process yield
rates.
TPY is sensitive to
the number of
critical-to-quality
characteristics
(CTQs) in a product
(product
complexity)
TPY is sensitive to
the number of
critical-to-quality
characteristics
(CTQs) in a product
(product
complexity)
26. citoolkit.com
Further Information
Some process yield measures can be averaged together to measure the
entire production flow.
Process Yield Measures 26
This provides a sense of the overall flow performance
27. citoolkit.com
Further Information – Other Yield Measures
Process Yield Measures 27
Average completion rate is the output of a process over a defined period
Rolled throughput yield loss is the inverse of RTY
Normalized yield is the average throughput yield result at any given step