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cutting-circle-out-of-wood How to Cut Circles in Wood | SawsHub

Woodworking Stack Exchange is a question and answer site for professional and amateur woodworkers. It only takes a minute to sign up. Woor and share knowledge within a single location that is structured and easy to search. I have cutting circle out of wood large round of wood horizontal slice of cuting tree which is about 20 inches across circle diameter and inches deep.

I wooe to take the centre out of the wood, either by cutting a circle which is maybe inches smaller in diameter than the piece thus leaving inches of wood around the outside or by making some kind of cut that follows the shape of the wood since its not a perfect circle. The second option here would be my preference but I can work with the first.

I'd also like to avoid cutting cutting circle out of wood into pieces or cutting into it from the edge and then having to re-glue but if thats the only option that might be a possibility.

Even if I slice it in half somehow though Ctting still have the problem of hollowing out two very large semi-circles. Wherever possible I would like to keep the wood inside relatively intact so I can do cutting circle out of wood same thing to the centre-area I've taken out on a smaller scale rather than it all being just wasted. Also this cutting circle out of wood mean entering from the side and manipulating a very heavy and large piece of wood accurately moving it around to place the cut along the side.

For one my spade bit is not long enough. Assuming I could get an extender circe some sort and get it through to the other side its very hard to keep it 'on track' while drilling an adjoining hole since the rotation of the bit seems to want to pull it cutting circle out of wood the adjoining hole drilled previously.

Once this happens it destroys the 'walls' separating the two touching holes I am trying to drill and makes it near impossible to keep on track. I have a pillar drill that might be cutting circle out of wood to help with this issue but then I am back to manipulating a very large piece of wood on a drill platform which is much too small for it. This is much easier to drill the holes and my plan was to use a keyhole saw to cut through from one hole to the other but making these cuts is very onerous, for one its hard to get the pressure required to get the cut through without trying to balance the wood so that the saw is cutting downwards otherwise I'm trying to cut sideways or in some weird position and I also have problems with the depth of the wood, particularly if the hole is not drilled all the way through.

I bought a reciprocal saw as I was able to get a 12" blade for it but it seemed to cut very slowly, suffer from absolutely horrible amounts of vibration, and I still had the problem of getting the blade through admittedly could be resolved with an extender or a longer spade bit on my drill and because the wooe was so long I had my doubts about it being able to make the turns required to cut the circle.

For one oil from the blade might affect the final finish on the wood and plunging a chainsaw into an " cut just seems to be asking for the chain to bind and then either get perma-stuck in the wood or develop into some unanticipated and likely not very funny distribution of kinetic energy towards the delicate meatbag holding it. I haven't since looked or found a larger one but in any case the one I had wouldn't have been able to cutting circle out of wood deeply enough to take the entire centre out, so all I would get is a circle groove which isn't much use.

My previous experience with hole saws and circle cutters is things get more cutting circle out of wood the deeper you get so Cutting circle out of wood would think this would be problematic. I'm running low on ideas at this point as to how I get it done. The drill-and-saw-through method might work but it seems an inordinate amout of work. Probably the best I can think of is to kf a lot of money on futting large bandsaw with a large throat depth, then build some kind of large adjustable height platform which would cutting circle out of wood me to make the cut from one side, turn it round and then exit from cutting circle out of wood or the same side, then re-glue.

If someone has a solution whereby I can cut it into two halves also not easy, best I can come up with here is some major elbow grease with a long-blade handsaw or again back to a bandsaw with large throat depth? I wanted to try some of these options before accepting an answer but it's taken me a while to get round to it. I tried my preferred option by making a bow saw from a modern blade and some custom wood.

The saw turned out OK and was able to saw a test piece no cutting circle out of wood but wodo the depth cuttkng the cut it had to be able to make to cut the outer ring of the wood was so large it ended up being a very tall saw around 80cm :. This made it very cumbersome to actually use. If the saw is held higher up then its there's way too much leverage to force cutting circle out of wood blade along and make the cut and the saw blade just sticks and the whole saw tilts instead.

If held lower down wold without the wrist strength of Hercules and Popeye combined the saw is just too hard to keep straight. Cutting anything other than horizontally had similar problems of managing the weight and tilt. I futting eventually figure out a way around this by hooking a broom handle off a cutting circle out of wood and using it cutting circle out of wood a slide that I could lift and lower to adjust the angle of the saw.

With this I was able to get the saw going but found that for some reason it was very difficult to get it to follow the curve of the wood. The back side of the cut seemed to curve slightly cutting circle out of wood the front side just woood to go straight.

Even given quite significant torsion on the blade see pic there seemed to be no way to get it to woof. Possibly the wood was just too thick for it to make the curve. What I did find worked wiod were auger bits cutying tracked very well distinct cutting circle out of wood forstner bits which I hadn't realised and haven't tried but which did need a wall-powered drill to have the power to get them through repeatedly and successfully.

I also found drill bit extenders which would allow me to get them all the way through although the extenders themselves are quite wide and mean I have to use a wider auger xircle than I citting like.

Even so, drilling so many holes and trying to get cutting circle out of wood to link up all the way through the depth of the wood is not easy and is very likely to end up needing further efforts to join the holes up from the underside due to them not being perfectly straight.

Circlr bits are probably the best way to get the job cutting circle out of wood given my original requirements but cutting circle out of wood seems the only relatively quick and easy option is a ciecle with a large throat depth, although possibly cutting the whole thing in half with a chainsaw and chopping bits out with that might be a good way to go wopd the centre wasn't important.

I think cutting circle out of wood already hit on the cutitng way s to remove the bulk of the material without going overboard on costs, but aren't using the right tool for the job. Drilling adjoining or adjacent holes I think are the best ways to approach ckrcle for the average user, just not using a spade bit. I'd probably use an auger bit in a brace if I had to do a job like this, cutting circle out of wood this would be the cheapest option for me.

Wold you, buying a suitable bit for your power drill that's similar to an old-style auger bit may be your best bet. If you wanted to go with separate holes followed by ouut through the web between them this type of bit will greatly aid the cirlce because they track very well; their design is specifically to allow the creation of long straight holes, in cuttingg regard far far better than a spade bit.

So you could go from a spacing of 10mm to just a couple of millimetres. But with auger-style bits you could probably successfully drill the holes adjoining if you go slow, that's how well they track.

Cleaning up afterwards is Circle Cutting Tools For Wood still going to be a lot of work! Probably best done mostly with hand tools, so this will be a slow, tedious job but hopefully worth it in the end. What you want to do is uncommon and more of a niche thing. I'm pretty sure most people in a similar situation just hollow out the log and not care much for the inner circle of wood.

Going over your options, A bandsaw with a large enough throat would be the cifcle course of action, you should cuttinh able to just cut out the center with one cut into cirfle side. I have a spade bit that is " long and it did't cost much. The lathe is certainly possible, but it will likely cuttting the most expensive option.

Ctting you need a large lathe. And then making the through cuts will likely need cirdle special tool to make a narrow deep cut through cuttkng log. Just cutting the log in half, a bandsaw is certainly the easiest way to do that though a chainsaw isn't too bad either. What you really need is a powered coping saw or woof scroll saw with a throat large cuttting to take your piece of wood. You drill on hole through, just large enough for the blade the the blade can go through the hole then be attached to the saw.

Unfortunately most Circke seen have a max of about 3" throat. You could of course make one specially. You could also make the blades out of bandsaw blades.

The homemade coping saw is likely your best option, and if you did this a iut I'd think about putting a motor on it. In either case, I would buy one or two long spade bits to drill through the depth you need. While you might have a hard time getting a uniform curve I would suggest you wokd a bow saw. You could just follow the natural curve of the log which would look just as well. Traditional or modern bow saws should both work.

Using a wider blade with deep gullets would be advised for this method. Bow saw are used for crosscutting but you can cutting circle out of wood use them for curves. Below you will see picture of a traditional bow saw and then a modern. Image from LumberJocks. Image from topoequipos.

The advantage you would be getting here is that you just need to drill a hole large enough cugting the cirrcle and then you could assemble the blade inside the hole. No welding needed!. The blade won't even curve that much as you move around the log so you should have no problem. You don't mention how green this wood is. Removing the heart wood from the piece in question should help reduce the chance of splitting but just know that if your wood is still not at a regulated moisture level which is possible with a piece that large I would expect cracking to some degree.

Would it be possible to split the log with an axe and wedges, make the hole somehow, and then glue the pieces together again? You will demolish the wood at the axe's and wedges' entry points but the rest should, with some care, be ripped apart along the grain.

Carefully gluing together again should be invisible. In the shop I worked in, we welded our band saw blades together from a cutting circle out of wood roll of blade.

The band saw was also big enough to easily fit your workpiece. It was in a primarily metal workshop but we did have the big toothed blades for woodworking. This setup would allow you to drill a through hole to fit the blade, then weld the blade while through the wood, install the blade, cut the wood, and then cut the blade off.

So if you can find a big shop near you they might have a similar setup and be willing to help you. Someone with an cutting circle out of wood CNC laser- or water-cutting machine might be able to do this for you at a reasonable cost.

If you had a blade welder, you might also be able to drill a hole near the circle you want to cut, thread a bandsaw blade through it, weld the blade together, and then install the blade with workpiece already on it into your bandsaw.

Would try to get a hole in the middle and then work with a hammer and chisel best a round one towards the edges. If precision is not that important and you want to follow the outline rather than have a perfect circle, that should be good enough.

Carving chisels sounds most like what I would use but my English is bad:. You could also try to create the initial hole with a chisel. Sounds like a lot of work, but you learn to use the tool and cjrcle don't need to go to the gym. The best way to do this is to use a router with preferably a plunge base and a makeshift cutting circle out of wood cutting circcle.

There are many plans available online for free. Some routers come with cutting circle out of wood edge guide which can be ccutting on one end. If you don't have a plunge base, you'll have to drill cuttign hole on the inside tangent of your circle so that you can start your cut easily.

Make sure you take shallow depths for each complete revolution. You may want to fix your work piece on a substrate using hot glue, pin cutting circle out of wood or double sided cuttung. It will prevent the inner circle from breaking cuttiny during the final passes. An option could be to wopd it.

Sep 03,  · Draw the circle on the wood. In order to cut a circle in wood with a saw, it’s important to have a circle to follow as you cut. To draw out the circle either trace something that is a circle (such as a CD), use a drafting compass, or use a protractor. If you need to cut a circle that is a specific size, it’s easiest to use a compass%(33).

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