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Lines in engraving

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closeracing
Posts: 19
Joined: Sat Jul 08, 2017 1:38 am

Lines in engraving

Postby closeracing » Sat Jul 08, 2017 2:08 pm

Can anyone tell me how to get rid of these lines? I am now using Corel photo and RDworksv8. Resolution is 1500, frequency is 70 lines per inch,net graphic dithering. I've been struggling with image quality and would sincerely appreciate any and all helpful advice. Thank you!
FullSizeRender.jpg
FullSizeRender.jpg (141.88 KiB) Viewed 337 times
FullSizeRender (2).jpg
FullSizeRender (2).jpg (86.5 KiB) Viewed 337 times

futrelis
Posts: 12
Joined: Sat Jul 22, 2017 12:56 am

Re: Lines in engraving

Postby futrelis » Sat Jul 08, 2017 2:08 pm

closeracing wrote:Can anyone tell me how to get rid of these lines? I am now using Corel photo and RDworksv8. Resolution is 1500, frequency is 70 lines per inch,net graphic dithering. I've been struggling with image quality and would sincerely appreciate any and all helpful advice. Thank you! FullSizeRender.jpgFullSizeRender (2).jpg


Interval must be equal to 25.4/DPI of your photo
For example for a 300dpi photo must be 0.0847.
Also not use net graphic use dot dithering.

closeracing
Posts: 19
Joined: Sat Jul 08, 2017 1:38 am

Re: Lines in engraving

Postby closeracing » Sat Jul 08, 2017 2:08 pm

Interval must be equal to 25.4/DPI of your photo
For example for a 300dpi photo must be 0.0847.
Also not use net graphic use dot dithering.[/quote]

Thank you very much, I did not know that about interval settings

blondie123
Posts: 2
Joined: Sat Jul 08, 2017 5:22 pm

Re: Lines in engraving

Postby blondie123 » Sat Jul 08, 2017 5:23 pm

We are having the same issue with our laser -- Can't get rid of the lines... HELP!! Please!

closeracing
Posts: 19
Joined: Sat Jul 08, 2017 1:38 am

Re: Lines in engraving

Postby closeracing » Tue Jul 11, 2017 2:42 pm

Blondie123 are you using RDworks? If so you might try changing your cut and sweep parameters to the settings in these photos. It seems to be working for me.
user-sweep.png
user-sweep.png (14.71 KiB) Viewed 275 times
user-cut.png
user-cut.png (15.03 KiB) Viewed 275 times

closeracing
Posts: 19
Joined: Sat Jul 08, 2017 1:38 am

Re: Lines in engraving

Postby closeracing » Tue Jul 11, 2017 2:52 pm

Also do not use net graphic for dithering. Use an outside program like photograv if you have it or try dot graphic in RDworks. Net graphic is responsible for the lines, improper sweep parameters are likely the cause of poor quality

Ben
Posts: 48
Joined: Tue May 24, 2016 9:06 am

Re: Lines in engraving

Postby Ben » Wed Jul 12, 2017 1:08 am

Try to decrease the value of interval,general set from 0.06~0.08.
1239.png
1239.png (34.01 KiB) Viewed 266 times


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