VDA 16 Decorative surfaces of external fittings and functional parts in the internal and externals of automobiles

1

Objective / purpose

2

Area of application

3

Validity

4

Evaluation zones

5

Evaluation conditions

5.1

Position

5.2

Lighting conditions

5.2.1

Brightness and colour temperature (exterior/interior)

5.2.2

Lighting angle

5.2.3

Orientation of the light source

5.3

Observation distance

5.4

Observation period

5.5

Target agreements

5.5.1

ppm and degree of validity

5.5.2.

Quality position

5.5.3

Determining the quality position

5.5.4

Special ppm agreements

5.6

Ensuring the comparability of inspectors and inspection requirements – aligniing the evaluation standard

5.7

Handling samples from a process at maximum tolerance limits (MTP samples) and limit samples

6

Defining characteristics / addressing defects

7

Acceptance criteria

7.1

Acceptable characteristics

7.2

Quantifiable characteristics

7.2.1

Classification

7.2.2

Permitted density / frequency

8

Evaluation method

9

Miscellaneous

10

Appendix data

10.1

Table showing examples of acceptable characteristics

10.2

Table showing examples of quantifiable characteristics, based on Table 10.1

10.2.1

Example of classification by size and permitted frequency

10.2.2

Example of classification by minimum distance between individual defects

10.3

Table showing examples of practice-related observation periods

10.4

Example of a ppm calculation, taking account of items which slip through

10.5

Pictures to aid discussion of characteristics

10.6

Attributive gauge R & R effectiveness

11

Bibliography