Coresix uses a standard “K Lux” to describe the required light intensity for a given inspection criterion. Any existing or known light intensity such as foot candle, wattage, etc. can generally be converted to a K Lux standard.
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The angle at which the part is held to the light source can influence the visibility of a defect. The specified angle may be driven by the final application (coatings to be applied, angle to be viewed, etc.) or to achieve maximum effectiveness. Unless otherwise specified, the angle will be defined by the standard to orientation.
The distance of the glass from the light source is generally defined by the specified light intensity. However, under certain conditions it may be necessary to specify distance in conjunction with light intensity. If no specification is provided, distance from the light source will be defined by the specified light intensity.
The longer an inspector looks at a glass component under any condition, the more likely he or she is to identify defects. For production efficiency, the specification is designed to identify the necessary cosmetic quality level in a minimal inspection time. Our standard inspection time averages 5-10 seconds per part.