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TOC and 5S at Work at the Tap & Plug Operation


Throughput was at 40% of rate. The Goal is to produce to rate.


CAUSE(S): Needed to improve the work cell for this operation

CURE(S): Use 5S: Sort, Set in Order, Shine, Standardize and Sustain

*Moved All the Fixtures from the Tool Room to the Tap & Plug Area
Reduced set-up time
Reduced Downtime for Set-Up
Freed up space in the Tool Room

*Added new air cylinders to all fixture
There was only one air Cylinder for all the fixtures
This enabled faster set-up time and reduced down time

*Labeled all fixtures, tools and gages
Identified a place for each fixture on the table.
Saved Set-up Time and reduced Down Time

*Moved plug supply box to the top of the Torque Motor
Reduced amount of reach for operator
Reduced total cycle time

*Installed coolant shield
Reduced amount of coolant on floor
Reduced amount of coolant on lunchroom window
Reduced clean-up time

*Installed New Torque Converter
Reduce “float” and made it easier to install plug
Reduced operator fatigue
Reduced total cycle time

*Added Frame and Light
Improve working conditions
Reduced set-up time
Improved quality checks

*Added a Box Tilter
Reduce time moving parts from large boxes to small totes
Reduced the number of totes required
Reduced downtime
Improved total throughput

*Added Operator Work Table
Reduced set-up time
Increased overall work space

Rearranged Area to be more Ergonomical and Efficient
*Turned Tap & Plug around to enable loading from right to left from tilter
*Converted tapping machine switches to one button to reduce cycle time
*Rearranged power cords and air hoses to prevent tripping and improve appearance
*Located new table in vibratory pit to allow for more space for operator
*Moved conveyor to vibratory closer to operator, reduced operator movement

*Added Warning Signs
To prevent accidents from people tripping on electric cords and hoses

*Added Conveyor to box tilter
Reduced operator time to change out material boxes
Increase operator efficiency

*Added a Incoming Product Conveyor
Reduce time waiting for parts
Reduced downtime
Increase overall throughput by “Kan Ban” Material handling. If there is not a box on the conveyor the material handler knows to bring a new box of parts

All operators trained on the new work cell

Improvements made did require spending some money (but not major dollars). Everyone is very satisfied with the results. We are now making rate on this operation (more T) and the operators are very pleased.

The whole team felt great about their success and were recognized. Now on to the next major constraint operation.


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