Originally shared by Donald Bailey Still working on the drag knife, still having issues...

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#1

Originally shared by Donald Bailey

Still working on the drag knife, still having issues… not sure what the exact problem is. I am starting to think that the length might be an issue as my z axis has a bit of flex due to the unsupported wood the router mounts on, it is minor but 5 inches lower it is magnified quite a bit. I modeled this as close as I could to the Donek 1/4" knife, the blade is centered to the rotation, with the blade tip offset ~.16", using VCarve Pro drag knife gadget to generate the path… I am starting to think a tangential knife might be easier.

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#2

My initial reaction was that your blade angle is too steep or your blade isn’t sharp. It’s catching, not cutting.

#3

Hmmm… blade is new, not sure what to do with the angle, it it modeled after other drag knives… will give it some thought… thanks.

#4

It could be that the weight is pushing it too hard into the material. Corrugated wouldn’t be my choice to cut. Have you got some packaging card, like a cereal box?