Advantages and Disadvantages of Achieving Each Drawing Level |
|||
|
Level One |
Level Two |
Level Three |
Advantages |
Clear to determine if drawing meets guidelines Quick to measure, easy to monitor for continuous improvement Immediate improvement in drawing quality and enables some organizational benefits Immediate improvement for inspection, outsourcing, suppliers Promotes the use of GD&T Creates an atmosphere where individuals must make drawings that follow standards An easy win |
All the advantages of Level One, plus the following: Begins to promote the idea that the drawing contains the functional requirements for the part Creates discussions about functional dimensioning Immediate improvement for inspection, outsourcing, suppliers Creates an atmosphere that individuals must communicate the part function through the part dimensioning
|
All the advantages of Level Two, plus the following: Focuses the organization on the functional requirements for the part Will be able to anticipate and resolve most product problems before production. Shorter product development time Lower inspection and tooling costs Lower manufacturing costs 100% part interchangeability Easier to evaluate product change requests |
Disadvantages |
Limited benefits to organization May still encounter product problems Does not promote the understanding of converting customer requirements into dimensional requirements |
Creates ongoing struggles between engineering, manufacturing, and inspection. May still encounter product problems Is most difficult to measure and monitor for continuous improvement |
Requires upper level management to create cross-department guidelines Requires upper level management to create a company culture based on customer requirements Some employees may not be able to make the transition Requires a well trained workforce in all areas |