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Validation
Tests should be conducted prior to production to determine the
time and light intensity required to fully cure your resin. The
following approaches may be used to validate the curing process.
Set Exposure Time, Determine Intensity
Users can specify a cure time and, through empirical testing,
determine the intensity required to achieve a full cure. As with
any manufacturing process, it is advisable to incorporate a safety
factor.
Set Intensity, Determine Exposure Time
Users can specify light intensity and, through empirical testing,
determine the exposure time required to achieve a full cure. As
with any manufacturing process, it is advisable to incorporate a
safety factor.
NOTE
: Dymax recommends intensities low at first to preserve
LED life.
Contact the Dymax Application Engineering Team for additional
process support.
Control
Process validation confirms a minimum acceptable intensity.
Users can then choose to operate at full intensity (using the
excess intensity as an additional safety factor) or adjust the
output to a specific intensity level. To ensure consistent and
repeatable process results, intensity levels should be monitored
with a radiometer. This enables users to identify light intensity
changes and take corrective action (either adjusting the light
intensity or performing maintenance).
