Question about Dewalt DC390K 18v Cordless Circular Saw Kit

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Not cutting through wood. Cuts are diminishing.

The circular saw is not cutting through the whole board of wood. It was working fine and now each cut is less and less. Battery is fully charged. Blade clamping screw is tight. Anyone?

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Sounds like the wood your cutting through is to hard for your battery powered saw....try one with a cord they work much better, especially for hardwood's.

Posted on Jun 08, 2010

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I'm needing to make a series of kerf cuts on a 12' wide plywood piece in order to bend it in a 15" arc. My problem is the kerf cut is deeper in the back of the board than the front.


It is important for even cuts that the board is fixtured properly. I would secure the plywood to a second board that is flat stiff and strong. A table top that is not warped may work OK. This will prevent the plywood from bending from the weight of the saw.

Use a scrap piece of material at the exact thickness of the plywood to allow the saw to cut through the width of the plywood .
You need to cut past the back edge to ensure the kerf depth is consistent.

If you cannot hold the saw flat and steady you may also need a lead in piece so the saw is flat and square before beginning the cut into the 12 inch wide plywood.

I would use a fence along the side of the saw as a guide relocating after each cut.

Dec 23, 2015 | Saws

Tip

My Blue Laser


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

on Feb 19, 2010 | Saws

2 Answers

Is it better to do pull cuts or push cuts with a hand saw?


it is a matter of debate, and ultimately up to your personal preference. i keep a steady pressure on the wood at all times, so the saw cuts during the push and the pull

Jan 28, 2013 | Saws

1 Answer

My saw keeps cutting out when cutting heavy wood, does that mean my saw is wore out, or what can i do


When it cuts out while cutting heavy wood, there are several things you can do.

First, check to be sure you are not feeding the wood in too fast.
Next, be sure the saw blade is clean of pitch.
And, be sure the blade and fence are aligned.
Are the teeth of the saw showing completely over the wood? Just the tooth should stick up over your board.
Also, if this is a continuous problem despite cleaning and all the above, installing heavier belts sometimes helps.

"woodworker by night"
Handy Andie

Mar 20, 2011 | Craftsman 10" Table Saw

1 Answer

When I try to cut with my saw, the blade bends so that the cut is at an angle. Because of this angle cut, it is difficult to follow a line but even if I can follow the line, the angle cut through a 3/4...


This is a common issue with jig saws. There are sometimes larger blades, but all seem to distort to some degree. The only real solution is to go slow enough to allow the blade to return to it's normal shape...Essentially, is sounds like another tool would work better, but often you are scrolling with a jig saw and circular saw (for example) would not work.

The other workaround involves several cuts, so the final cut is removing much less material.

Nov 07, 2010 | Black & Decker Black decker Firestorm...

1 Answer

Fix hardwood flooring replace damaged hardwood flooring wood planks


During the whole process be aware of the edges of the flooring that is going to stay. First prepare the area for dust control. Mark the boards to be replaced. With a flat wood bit in your drill, bore a hole near, but not at both ends of the pieces being replaced. Bore only to the sub-floor. Set your circular saw to cut thru the flooring but barely touch the sub-floor beneath. Make two passes with the saw about 1/2" in from each edge. Lift out the center of the piece being removed. With a sharp chisel split the small end pieces at each saw cut and remove. With a chisel, tap the groove side of the piece toward the middle and remove. There may be a little chisel work to get it out. There will be a bit more chisel work on the tongue side. Chisel the tongue side until the fasteners are located and remove them. Remove the piece completely and remove any paper between the flooring and the sub-floor. Vacuum the area to prepare for the new board. Lay the new piece next to the opening and mark the length. If this is end match, t&g at teh ends cut the ends square. I mark heavily and leave my mark when I cut. It can be cut again if it is too long. Choice here are, cut the bottom of the groove and or the tongue off the new board. I leave the tongue and hook the piece in place. Easier to remove it though. Back cut the length on a table saw, being careful not to reduce the size of the face. This will make the bottom of the board narrower than the face. A sander can be used if no table saw is available. Once sized put glue on the sub-floor and put in the replacement piece. If the tongue was left, it must be tapped sideways to get to the point where it will drop in. Do not hit the wood directly. Used a scrap piece as convincer. When lined up, use a scrap piece of wood to drive the new piece down into place. The new board will be thicker and will need sanding. Congrats.

Dec 29, 2009 | Saws

1 Answer

Jig Saws Blades Types


High Speed Steel - Used for wood and light metal cutting Bi-Metal - Also used for wood and light metal cutting. Cobalt Steel - Tougher and lasts longer than Speed steel and Bi-Metal. Used for wood and metal. Carbide Grit - Strictly used to cut masonry board. Scrolling - Thinner than the regular jig saw blades and are used for tight turning cuts.

Aug 27, 2008 | Milwaukee Tool Milwaukee Orbital Jig Saw...

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