Pre-Installation Installation Training
A70622-D1
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Laser marking process
General Parameters
The scribing laser marking process is different than a dot-matrix marking process. With the dot
Matrix, this is the movement of the product which creates the mark.
Using its mirror deviating system included into the head, the vector laser draws characters as a
pen would, and do not need any product movement to create the mark.
When the product moves, the vector laser integrates the product movement to its drawing work,
in order to provide a clear and legible mark. We use to say that the laser tracks the product
during its movement.
The time spent to track the product, very close to the time used to mark, determines the marking
frequency i.e. the maximum number of products per hour (throughput).
Pitch
It is the distance between the beginning of one mark and the beginning of the next mark. This
shouldn’t be confused with the spacing between products.
Tracking Distance
It is the distance used by the laser to complete the mark. This is roughly the marking time
converted in distance according to the speed of the product movement (line speed).
Marking Time
It is the time used by the laser to complete the mark.
Marking interval
It is the minimum interval of time necessary to the laser for marking products and being ready
for the next one (marking time + deviation system back to original position and message
variable contents updated). The minimum pitch is the conversion in distance, of the marking
interval according to the product speed.
Line Speed
It is the speed of the target product to be marked. Most of time, this is the conveying speed.
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