poka-yoke

It also means that work must be rigorously standardized by the work team, not by some remote industrial engineering group and that employees and machines must be taught to monitor their own work through a series of techniques commonly called poka-yoke, or mistake-proofing, which make it impossible for even one defective part to be sent ahead to the next step.7

Lean Thinking James P. Womack 2003

Then they would mistake-proof – or apply poka-yoke – to the resin dye rack.

VELOCITY DEE JACOB 2010

Then they would mistake-proof – or apply poka-yoke – to the resin dye rack.

VELOCITY DEE JACOB 2010

Then they would mistake-proof – or apply poka-yoke – to the resin dye rack.

VELOCITY DEE JACOB 2010

Then they would mistake-proof – or apply poka-yoke – to the resin dye rack.

VELOCITY DEE JACOB 2010

A simple example of a poka-yoke is installing photo cells across the opening of each parts bin at a workstation.

Lean Thinking James P. Womack 2003

Scheduling equivalents of poka-yoke devices have been developed to make sure all mistakes are caught.

Lean Thinking James P. Womack 2003

In posing this question, they were not asking about specific techniques—how to organize teams, how to use Quality Function Deployment in product development, or how to poka-yoke mistake-proof production processes.

Lean Thinking James P. Womack 2003

The kits were themselves a poka-yoke device because the parts were placed on the cart in their exact assembly sequence.

Lean Thinking James P. Womack 2003

In this way Toyota has installed a poka-yoke device in the ordering system to filter out noise.

Lean Thinking James P. Womack 2003