Requirements
List all key product characteristics and their functions as the inputs to meet design intent and customer requirements.
¨ What is it supposed to do?
¨ What is expected to occur?
¨ Identify all the functions before identifying potential failure modes.
¨ State in clear, concise format. Use simple verb-noun statements to describe functions as concisely as possible
e.g., SHOT PEEN - BLADE TIPS; TURN ID 16.250-16.200
More examples for requirements: Hardness; ID/OD; Length; Concentricity; Cleanliness.
In some cases, use process inputs as the Requirements.