- CurtParticipantOctober 4, 2015 at 4:23 pmPost count: 173
My wife asked if I could cut the cardboard mats that are when framing pictures. I think this could be done with a drag knife but I do not see an obvious choice for the MPCNC. Does anyone have any recommendations?
Curtvicious1KeymasterOctober 4, 2015 at 6:59 pmPost count: 2650CurtParticipantOctober 4, 2015 at 7:24 pmPost count: 173
The youtube video is pretty cool but I can not find the plans anywhere. How do you mount/hold the liyu knife? I have the Dewalt 660 mounts on my cnc.vicious1KeymasterOctober 4, 2015 at 7:26 pmPost count: 2650CurtParticipantNovember 30, 2015 at 5:06 pmPost count: 173
I bought the Liyu plotter knife holder and some blades. Have you figured out a way to spring load the blade in the down direction?
Curtvicious1KeymasterNovember 30, 2015 at 6:34 pmPost count: 2650
That cutter is spring loaded. At least mine is.CurtParticipantNovember 30, 2015 at 8:07 pmPost count: 173
Mine is too but the spring raises the blade not lowers itvicious1KeymasterNovember 30, 2015 at 8:11 pmPost count: 2650
The spring is to controlnthe pressure of the blade, just enough to cut through the vinyl and not the paper. Is yours backwards? I must be misunderstanding the question.CurtParticipantDecember 1, 2015 at 5:36 amPost count: 173
Mine is/was backwards. I took it apart and put the spring on the top so it should work well now.MikeParticipantMay 3, 2016 at 10:14 amPost count: 19
Hi, Curt. I know this a really old post, and I’m not forum-savvy enough to know if it’s bad form to follow up on something this old; if so, my apologies.
I have run into the same issue with the Liyu holder that I purchased–the spring tension is in the wrong direction.
How did you disassemble yours? The only way I can see is to remove the bearing, which seems to be pressed in?vicious1KeymasterMay 3, 2016 at 10:20 amPost count: 2650
Are you sure it is backwards? When you push the little button it should push the blade out, so you can remove it. It is not for tension against the material Cutting vinyl requires a good smooth flat surface, I use a large glass mirror.
To contrast this a pen plotter is the other way to compensate for a poor paper surface.MikeParticipantMay 3, 2016 at 10:26 amPost count: 19
Ah, I see. I misunderstood how it is supposed to work. I thought it was meant have tension the way we want with a pen plot.
I will just make sure I am flat & parallel prior to cutting. Thank you!CurtParticipantMay 3, 2016 at 10:32 amPost count: 173
What Ryan said. I ended up putting it back together the way it came. There is a good design for a drag knife holder on Thingiverse that I blended into a standard plate mount I use with my MPCNC. I like to leave my DW660 mounts in place and attach everything to them. Look at this and here is mine that I created from this
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