If you are trying to edit the design work you can use a program like Corel Draw or Adobe Illustrator to make quick changes to the existing DXF file. I know a lot of individuals that are new to the CNC industry like to try Inkscape but I have not had very good success with importing and opening my DXF files into that particular program.
I believe it is due to how Inkscape was developed based off older versions of the DXF file format. If you are importing the DXF file or opening it into your CAM software you will want to be sure to disable your offset tooling function. If you are unable to disable the offset function altogether then you will want to reduce your offset value as small as it will go.
The reason to do this is you want the cut to go right down the centerline of the vectors in these files. Anything else can lead to poor results or errors that prevent your CAM package from generating g-cdoe. Here is an example of what a DXF file looks like when it is imported without any offsets:. Notice there is not much visible difference, however this medium offset has created over unwanted intersections in the geometry.
The difference is dramatic and alarming. If your CAM system is detecting overlapping lines or giving you error codes the primary reason for this is that your auto offset feature is toggled on and your CAM system is literally redrawing the design work to accommodate an unnecessary offset. If you import the DXF file and you are seeing thousands of little lines very close to each other you import options may be configured incorrectly for lines and arcs when they should be set for polylines.
If you zoom in on the DXF file you have imported you will see one design includes single lines like you see in this example single lines are referred to as open cut paths. If you zoom in on the other image included in the DXF file you imported you will see that it does not contain any single lines.
In this design all the cut paths are referred to as closed cut paths :. Now that you are familiar with some of the basics of importing your DXF file you will want to either delete the closed path or open cut path version of the design.
As a rule of thumb all Plasma and Router based CNC cutting systems will utilize the open cut path version of the design if you are using a plasma or router based CNC cutting system you can delete the closed path version of the DXF file design Remember to save the file under a separate name so that you do not lose access to both versions of the design.
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If I was not retired I would buy easel pro myself. It is that good.. Inkscape will work if you want to dedicated a lot of time. The first two are best. Easel main pick… All can get you started for free. I have problems with my Richnc Rznc09 Plasma cutting machine.
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