Analysis Basics
26 important questions on Analysis Basics
What are the tools when: Getting to know the process as it actually happens?
Value Stream Mapping
Time value maps
Value add charts
Seven Wastes
Spaghetti Diagrams
What are the tools when: Understand which process inputs are critical to customer requirements
What are the tools when: Investigate a defect to understand its root cause
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What are the tools when: Assessing what could go wrong and where
What are the tools when: Understanding what does go wrong in the process and where
Measles chart
What are the tools when: Identifying possible root causes
What are the tools when: Structure possible root causes in a logical manner
Also called Ishikawa diagram
How is the "swim-lane" or Cross Functional Process Map useful?
Detailing which departments own which process
Identifying key handover points
What are the two types of VSM?
What is the symbol for a Decision/Inspection point in process mapping?
What is the symbol for Direction of Flow in process mapping?
Symbol for Start/End in process mapping?
Symbol for Connector in process mapping?
What is the delay symbol in process mapping?
What are the five laws of LEAN summarized?
2. Processes should be flexible in order to provide products and services faster
3. Focussing on key time traps will create a significantly faster process
4. Work in Progress is a key enemy. It slows down processes, costs money, and hides quality problems
5. Unnecessary product complexity should be avoided, but we still need flexible processes that can produce complex products and services that are customizable to individual customers.
What are the Seven Wastes?
Waiting: Any time that products are waiting
Transporting: Moving things when it is not necessary
Over-processing: Adding too much value which the customer does not require
Unnecessary inventory: Holding and creating excessive inventory cost money and creates lead time
Unnecessary Motion: Needless movements on an ergonomic level. NOT to be mistaken with Transporting! Can lead to health and safety issues.
Defects or Errors: Clearest waste of all, simply needs replacement.
What are the four new wastes?
Wasted energy: The awareness of how efficient we are with energy
Pollution: The producer will have to pay for polluting, raising importance
Wasted Space: Customers are becoming more aware of scarcity in space, wastage of it they will not pay for.
What are the three wastes in the Service Perspective?
Incorrect inventory: Wrong inventory or being out of stock can costs customers
Duplication: Services rely on correct data, double data costs more time therefore money
What is a Spaghetti Diagram?
What is a Cause and Effect Matrix?
What is a Fishbone Diagram?
What is an Affinity Diagram?
Basically, you have a lot of disorganized data
To make this organized you create clusters where you put the data in (named cluster)
What is a Measles Chart?
What does FMEA do exactly?
What are the two types of FMEA?
Process FMEA: Analyze the key outputs and potential failures of each step of a process, and consider the effect of process failure on product or service concerned.
What are the key components of a FMEA?
2. For each step list the different failure modes, and rate their Severity
3. For each failure mode, consider the potential causes that might cause the failure and rate their Occurrence
4. For each cause, consider the controls in place that are there to prevent it from happening. Rate the likelihood of Detection.
5. Calculate the Risk Priority Number (RPN) for each potential failure. This is done by: SEV X OCC X DET
6. Act on the results, start with the highest RPN!
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