Managing Engineering Change Orders and Delegation Limits in Manufacturing
Delegating engineering change authority by financial limit and technical classification eliminates plant line stoppages while preserving configuration control.
Form Fit Function
Meaning
Essential characteristics that define the physical and performance attributes of a part or assembly are captured by this triad. Form fit function refers to the shape, size, mass, and performance parameters that must remain constant for a component to be considered interchangeable.
Interchangeability Standard
Replacing an old component with a new version without modifying the surrounding system relies on these parameters. Any alteration that breaks form fit function necessitates a class one change because the new part will not physically or logically integrate with the existing assembly. Maintaining these attributes is necessary for spare parts management and field repairs.
Physical Characteristic
Attributes such as dimensions, mounting points, material finish and weight are the primary focus of the physical side of this assessment. If a supplier changes the material of a bracket but keeps the dimensions the same, the form fit function might still be preserved. Engineers conduct a detailed audit to ensure that the new material does not affect the heat signature or the structural integrity of the final product.
Functional Requirement
Performance metrics like power output, signal frequency, data rate and thermal dissipation define the operational capability of the item. Even if a part looks identical and fits the same slot, a failure in form fit function occurs if the output does not meet the original specification.