My saw doesnt make a clean cut. I dont know what the right word for this is, but when I stand in the line of the blade and I am watching it rotating, the blade doesnt run in one line, I can see the edge of the blade moving left and right. Long ago I thought it was the blade, but I already know it isnt. I am wondering what the trouble is and what I have to replace. Thanks.
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Re: Edge of the saw blade moving left and right
If you have a bent blade or a bent arbor, the blade would be all the way to the left and then all the way to the right with each revolution. If the left and right positions are random, then the arbor shaft has too much axial play and is just wandering from side to side.
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Ever wish you could make that perfect cut the first time with your miter saw or table saw ? Simple if you put a strip of wide blue tape on base of saw and cut the tape with your saw ! Now you know where the blade will cut, now mark your wood, move the wood and the pencil mark to edge of tape that you just cut and cut it. That simple and easy to calibrate verses the red lasers that come on some saws that to me never work right to begin with. Valley2118
I don't know why they even provide edge guides with jig saws, they don't work worth a flip. The problem is that, unlike a circular saw, the direction of cut is unlikely to be 90 degrees from the direction of the mounted edge guide. The blade mounting is not made to ensure that the blade is held exactly straight. When you follow a straight line with your cut you will see that the body of the saw will probably crab a bit sideways like a car that badly needs a wheel alignment. I suppose the edge guide can work on 1/4 inch plywood with an aggressive blade, but that will give you a very rough cut. Much better to draw the line and just follow it visually. If you need to do a lot of this, and you want a nice straight line, use a circular saw. Good luck.
Make sure the miter is lined up at 90 degrees to the blade. The fence has to be parallel to the blade and the blade tight. Cuts should be straight if the piece is held firmly and you move at the proper speed. Good luck!
Its either the speed of the blade ( mine came with its speed at half rate), or its the crappy blade they give you with the saw. If a cut is bowing your blade is having a tough time with material. This often happens with tough porcelain tiles and not using a porcelain blade.
Possible that the fence you are using is not on a true parallel line with the blade and as a result it is causing the wood to pull into the blade causing kickback.
I would do an alignment procedure on the fence to make it as true to the blade as possible.
First if you need an owners manual go to Dewaltservicenet.com and in the middle of the page at the bottom type in your model number and get a copy. OK for setting the fence square, first unplug the tool and make sure that the blade isi good. Get an accurate square. Set the table at 0 or 90 degree for a straight cut depending on your scale. Make sure the blade is straight up and down on the bevel before starting. What you want to do is loosen up the 4 bolts on the back side of the fence enough so you can move the fence with some resistance. Set your square on the left side of the blade and pull or push the fence till it is square with the blade, snug up one of the bolts and then put the square on the right side and check for square, you might have to move it some if square snug up one bolt and recheck the left side again, if ok tighten both bolts and recheck the right side and repeat if OK. I sometimes recheck 3 or 4 times just to make sure. Also I should have mentioned about putting a straight edge across the length of the fence to make sure that it is not bent in some way thereby not allowing you to square the blade. Let me know if you need any more help
Use a pencil and straight edge to mark the cutting line on the wood. Place the wood on the saw table and line the mark up with the saw. Place the mark on the right side of the blade to ensure proper cutting. Plug the saw in and put on your safety goggles. Support the wood on the work surface with your left hand, placing it far from the saw blade. Place your right hand on the handle, and push the trigger to start the saw. Move the saw blade down onto the wood. Put constant pressure on the handle to slowly move the blade through the wood. Release the trigger and raise the blade once the cut is complete. Make diagonal cuts in the same manner, by marking the wood and lining the mark up just to the right of the saw blade. Continue as you would for a straight cut. Remove the wood from the saw. Unplug the chop saw and dust the sawdust off. Remove the dust bag from the back and empty it. Vacuum any remaining dust off of the saw.