While you have some control over the dot size by using different lenses e.g. Photo replication is basically ensuring that one pixel in the image relates to one dot from the laser. Raster engraving involves the engraving of an image or photo, to get as accurate a rendition as possible we use the photo replication process. Raster Engraving / Photo Replication onto Slate Just be careful to make sure there are no gaps between the lines. Overlapping lines are of no benefit with slate, so increasing the interval size will speed up the engraving process as there are less lines to engrave. Slowing down the speed without decreasing the power, will give you thicker lines. You will just need to reduce the power or increase the scan interval. Your machine may not be capable of running at 600mm/s, but whatever your maximum engraving speed is you should be able to mimic these results. This is why I accepted the first test settings as there was no point in trying to go faster. However, after doing some timing trials I determined there was no benefit in engraving faster than 600mm/s. My laser machine is capable of running up to 1000mm/s. Time to complete: 7 minutes 37 seconds Laser Engraving Speed Considerations.The settings for vector engraving slate were:
Laser Engraved Heraldic Lion onto Slate Place Mat
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