What is the concept of poka-yoke?

What is the concept of poka-yoke?

Poka-Yoke is any mechanism in a Lean manufacturing process that helps to avoid mistakes. Its purpose is to eliminate product defects by preventing, correcting, or drawing attention to human errors as they occur.

What are the 3 types of poka-yoke?

There are three types poka-yoke systems that can be used to fail-safe the server: task poka-yokes, treatment poka-yokes, and tangible poka-yokes.

What is poka-yoke explain with examples?

Poka-Yoke’s are mechanisms used to eliminate errors by effectively making it impossible to make mistakes in a given process. And they can be used everywhere. To give an example of Poka Yoke design – filing cabinets could fall over if too many drawers were pulled out at the same time.

What is poka-yoke and give 5 example?

Examples are control systems, contact methods, fixed-value methods, motion-steps methods and sensing devices. Some of these solutions are used very often, like limit switches, touch switches and proximity switches. Orgininally, Poka Yoke was named Baka Yoke.

What is poka-yoke PPT?

• Poka-yoke is a quality assurance technique ,the aim of poka-yoke is to eliminate defects in a product by preventing or correcting mistakes as early as possible. • Term adopted by Dr. Shigeo Shingo as part of the Toyota Production System in 1960.

How is poka-yoke implemented?

5 Steps to Effective Poka-Yoke (Mistake-Proofing)

1. Identify the appropriate type of error detection.
2. Ensure that proper procedures are in place to act when a defect occurs.
3. Implement a system for long-term learning from errors.
4. Continuously develop the system.
5. Get input from the operators themselves.

What is the category of poka-yoke?

There are two types of poka-yoke: control and warning.

Where is Jidoka used?

By definition, Jidoka is a Lean method that is widely adopted in manufacturing and product development. Also known as autonomation, it is a simple way of protecting your company from delivering products of low quality or defects to your customers while trying to keep up your takt time.

Which devices are examples of poka-yoke?

Here are 10 examples of Poka-Yoke in our everyday lives:

• Car safety features.
• Treadmills.
• Microwaves, washing machines, dishwashers, and other household appliances.
• Elevators & garage doors.
• Spell-check functions.
• Leak-proof water bottles & travel mugs.
• Power outlets and USB plugs.
• Overflow outlets in sinks.

What is poka-yoke PDF?

Poka-yoke is a concept in total quality management which is related to restricting errors at cradle itself. A poka-yoke is idea generation or mechanism development in a total productive management process that helps operator to avoid (yokeru) mistakes (poka).

What are the types of poka-yoke explain them?

There are two types of poka-yoke: control and warning. Control: The goal is to make it mechanically impossible for mistakes to be made. For example, there is only one way you can plug a three-prong electric cord into a power outlet.

What is Jidoka and Poka Yoke?

Poka Yoke or Mistake proofing is a simple technique that developed out of the Toyota Production system through Jidoka and Autonomation. It is normally a simple and often inexpensive device that prevents defects from being made or highlights a defect so that it is not passed to the next operation.

What does it mean to use a poka yoke?

Poka Yoke is a frequently used method in Lean Manufacturing and Six Sigma to ensure as little errors in a production process as possible. A ‘poka’ is an ‘inadvertent error’ and ‘yokeru’ is Japanese for ‘preventing’. Poka Yoke makes it practically impossible to make mistakes.

How does the constant number method of poka-yoke work?

The Constant Number Method (or fixed-value method) of Poka-Yoke works for an activity that is repeated many times. This type of Poka-Yoke alerts the operator if the wrong number of moves have been made in the process. 3. Sequence Method

When did Shigeo Shingo use the term poka yoke?

The term poka-yoke was applied by Shigeo Shingo in the 1960s to industrial processes designed to prevent human errors.

What does the Japanese term baka yoke mean?

This is a Japanese word that means mistake proofing of equipment or processes to make them safe and reliable. These are simple, yet effective design features that make it almost impossible for errors to occur. In fact, the original term was Baka-Yoke or “fool-proof”.