Delete - quality pokayoke
8 important questions on Delete - quality pokayoke
What is the definition of Poka-Yoke / Mistake-Proofing Systems?
"Poka" means error, and "Yoke" means avoid
Cultural Approach to Error Proofing
- Conventional Thinking: Identifies human errors as the cause of mistakes.
- Toyota Way: Considers errors as failures of the system and methods.
- Benefit: Shifting focus from blaming individuals allows for the creation of more effective systems and problem-solving.
Why Use Poka Yoke?
- Respect for People:
- People are not required to be perfect.
- Shields individuals from errors.
- Improves Quality:
- Reduces Cost of Poor Quality (COPQ).
- Frees Up Time:
- Faster processes and reduced rework.
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding
Topic: Error vs Defect
- Error: Deviation from a specified process.
- Defect: A part, product, or service that does not meet customer expectations.
- Relationship: Defects are caused by errors.
Topic: Types of Human Errors
- Forgetfulness, misunderstanding, inexperience, etc.
- Laziness, disregarding instructions, lack of motivation.
Topic: Types of Human Errors
- Forgetfulness, misunderstanding, inexperience, etc.
- Laziness, disregarding instructions, lack of motivation.
Topic: Approach to Error-Proofing Devices
- Control:
- Stops a line or process to take immediate corrective action.
- Warning:
- Signals deviations through buzzers, lights, or other warning devices without shutting down the process on every occurrence.
Topic: Types of Poka Yoke Methods
- Rely on sensing devices detecting contact with a device.
- Used when a process must be done a certain number of times.
- Used when a process requires several activities in sequence.
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