Grothe GmbHQuality Requirementsxfor visual surfacesGlossarypage1Purpose2Area of application3Terms4Responsibilities5Process / Order of actions5.1 Illumination uniformity5.2 View angle5.3 Viewing of space5.4 Period under review for simple parts (table 1)5.5 Tools to determine conditional defects5.6 Description of defect and acceptable size of defect (table 2+3)5.7 Acceptable frequency of defects6Document also valid2014-8-201 von/from 9Datei: 229051690.xlsGrothe GmbHQuality Requirementsxfor visual surfaces1ScopeIn cases of doubt this work specification should be used to decide whether adevice is accepted or rejected.The information given in this specification help to evaluate the optical qualityand appearance especially of design-relevant and by customer detectabledevice surfaces.While using design components visual features appear which cannot bedetected by measurement- or test systems and can therefor not be evaluated.The extend to which these appearances can be tolerated is determined (ifpossible) by so called limit samples.2Area of applicationThis specification is valid for all products. It defines the processes of visualevaluation.suppliers facilities and locations where condition is evaluated.3DefinitionQS = Department Quality ManagementWI = work instructionsGS = golden sampleII = incoming inspection4ResponsibilitiesThe department "QS" is responsible for this guideline and ist maintenance.All departments which carry out visual checks are responsible for the correctuse of this guideline.5Process / Order of actions5.1 Light conditionsA straight light source should be used, a lamp, producing 1400 Luxat the level of the part, a standard light cabin is allowed. In addition relaesesamples should be available. Reflection influences of the surrondin...