Lean Basic 7-Waste Identification and Elimination.

Lean Basic – 7 Waste  (TIM WOOD)

The seven Types of Muda (Waste)…

1. • Transportation
2. • Inventory
3. • Motion
4. • Waiting
5. • Overproduction
6. • Over Processing
7. • Defects

TIMWOOD

Muda Exists In Every Process… Eliminate it!

(1) MUDA of Overproduction

This MUDA occurs due to excessive production. Lean calls this the worst MUDA of all because 
it hides process problems and other MUDA

MUDA of overproduction, it hides other MUDA.

(2) MUDA of Inventory

Muda in Inventory

• Ties up working capital

• Takes valuable space

• Risk of obsolescence

     

Muda in Waiting

(3) MUDA in Waiting

• Increases lead time 

• Increases work in process

• Slows response to customer

(4) MUDA in Transportation

Muda in Transportation

• Requires equipment

• Increases handling damage

• Necessary store… must minimize

Muda of over-processing

(5) MUDA of Over-Processing                                      • Create delay • Increases opportunity for more defects • Do not add value by definition.

(6) MUDA in Defects

• Upset customers

• Consume Resources

• Choke flow

(7) MUDA in Motion

• Ergonomic Concerns

• Labor Efficiency

• Wasted cycle time

Muda in Motion