Universal Laser Systems Laser Platform M-300 Guía para resolver problemas descargar pdf (Pagina 31)

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Computerized Controls 4-5

Instead of clicking on a position, you can type in the coordinate into the X and Y position boxes

for more precise control. Once you have entered the coordinate, click on Send and it will

transmit to the laser system. If you do not want to send a new Focus Position, click Quit or

Cancel

Resolution

This setting is the graphic image resolution of the engraving

represented in DPI (dots per inch). There are six DPI settings to

choose from 1000, 500, 333, 250, 200 and DRAFT. Higher

resolutions will produce sharper and deeper engraving but take

longer to process. Lower resolutions produce a coarser and

shallower image but process more quickly. The example in the PPI

section shows the “square” or equal distribution of laser pulses when

the PPI is equal to the DPI. The example to the right shows the

effects of a DPI that is half of the PPI. The vertical spacing of the

laser pulses is farther apart than the horizontal laser pulses. This

will result in a more “jagged” looking result but will take one-half as

much time to engrave because there is one-half as many raster

lines. Experiment with different PPI and DPI settings and note the results. The most commonly

used settings are 500 PPI and 500 DPI.

DPI will have an effect on Vector quality and Vector

speed when vectoring other than straight horizontal or

vertical lines. For example, a circle is made up of

very small straight-line segments linked together at

very small angles. The quantity of segments is

determined by the DPI. Higher DPI settings produce

more segments and lower DPI settings produce fewer

segments. Since there are more segments at 1000

DPI than there is at 250 DPI, the 1000 DPI will take

the longest to process but will have the highest quality. If using a low DPI such as 250, these

segments become longer, but there are less of them resulting in a more flat-edged looking circle

that will process faster.

We recommend experimenting with different Power, Speed, and PPI settings on some

scrap material when cutting or engraving and note the results.

Rubber Stamp

This option enables the laser system to function as a rubber

stamp engraver. In your graphics software create a “negative”

graphic so that the background is black and the text or objects are

white and also horizontally mirror the image.

Example of 500 PPI

and 250 DPI usin

250 DPI

1000 DPI

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Universal Laser Systems Laser Platform M-300 Guía para resolver problemas Pagina 31

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