Fishbone

Machines

Moving etchers between saws

Methods

Unclear marking from suppliers

Non standard instructions

Part marking ops at inefficient stage

Suppliers not marking appropriately (level & clarity)

Hand marked material signed through Goods-in

Materials

Insufficient storage - No specific holding place for long bars

Not all sections marking with cast number/bar number have hard marking equipment

Manpower

Incorrect casts allocated on WF

Lack of clarity on traceability requirments

Shift handover

Environment

Cast segregation

No goods-in/out for each station

Measurement

Hand marking unclear