a little chip in from me, if you don't mind.
I think the older Knew concepts with the plastic screws were a problem. The blade would turn and the screws would not hold the finer blades successfully. I upgraded to the metal screws and the difference is very clear. The retainer for the blades is important to keep the blades where they are supposed to be. The metal screw blade holders work better and were a first replacement because of the wandering blades, I would hazard a guess at. There should be an upgrade kit that is free, in my view, having spent enough on the saw frame in the first place.
I love working with mine now. It is easier on the repetition needed to cut through the metal and for the strain on my neck, shoulders and elbow. I do have a very lightweight little ordinary saw, which is great for when I am doing lots of practice with piercing.
Upward and onward is mostly what I do, with the exception of tube cutting in a jig, then the life of the blade is always at risk! Upwards results in fewer injuries to my fingers! I cut with the item going forward as that is what I read that I should do. However, I have tried the going across and see how much sense it makes. I really enjoy using the Knew concepts, it has brought a wealth of direction to what I can do. Post sawing is much cleaner and, at times, very minimal if using the right blades. I use Valorbes and Shark as they both work with ease. I have noticed though, the Valorbe blunt more quickly than they used to.
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