A Guide to Laser Marking Settings

We often use the Mark Settings Object to change the laser settings within the laser marking sequence.

Simply drag the Mark Setting object above the markable objects which require those mark settings.

The software will process the laser marking Sequence in order and therefore set the mark settings.

Then mark objects below at those settings until a different mark setting tool is encountered

Power

This specifies the power level of the laser as a percentage.

Often it is a trade-off between speed and power.

If the mark is too aggressive at full power try increasing the speed before reducing the power to see whether could could gain  cycle time improvements.

Speed

The Speed property represents the vector speed in millimetres per second that the laser beam travels when marking the object.

Using a slow speed will create a deep well defined mark of laser marking.

If the speed is too high then the laser beam will have no effect on the material .

Frequency

The Frequency (Hz) property represents the Q-Switch frequency of the laser pulses during marking.

Altering this frequency creates different marking effects.

This parameter is used to adjust the laser output frequency by directly operating the Q-switch.

The Q-switch is an electro-optical system, which controls the opacity of a lens making it possible to change the laser beam frequency.

A lower frequency will generate ‘spotted’ engraving while a higher frequency will allow ‘line’ engraving.

Frequency is inversely proportional to laser beam power, i.e., if the frequency is too high, the power may not be efficient for the marking process.

The Q-switch may be compared to a sluice shutter, which closes and deflects the laser beam.

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