I’m doing almost all my cutting with 3mm MDF and 1.5mm plywood. I measure the stock so I can say that each blank is consistent.
I’ve found two issues that are really frustrating.
- Different power required across the bed
(assuming you’re standing in front of the GF)
The upper right regularly needs more power to cut than the upper left. Like 10-20% more. So I have to over-power the whole cut to get the right correct.
Similarly, the bottom right is worse than the upper left, but not as much.
- board-to-board variability.
Last week I cut two of the same board: same layout, same blank (both from the same source, prepared the same way, identical thickness). I power to cut through the board.
The first board cut all the way through nicely (across the bed) and the second did maybe 50% through the wood (3mm MDF). It’s also happened on 1.5mm ply, but not with back-to-back cuts.
Why? I’m not comparing “clean GF” with “soiled GF”. I’m comparing two boards cut within 10 minutes of each other.
This is driving me crazy. I am wasting (losing) material because of it. I either have to overpower everything enough that some have charcoal edges, or lose one sheet in 4 because of “as if I under-powered it”.
I track my power settings and it seems like I have to keep upping the voltage.
Please help. The machine is great … when it’s consistent.