how to bore a deep hole _perfectly_ along the axis of a box
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- This topic has 3 replies, 2 voices, and was last updated 6 years, 4 months ago by Larry Geib.
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Dear all,
i’m trying to make a pen. I don’t have a lathe and other power tools – like table drill. The only drill I have and I’m willing to use for this project is a battery powered drill.
I think i have reasonably set up the procedure to actually make the feed holder, nib and converter part. I however struggle very much with drilling into the wood such. I want that the drilling goes perfectly along the axis of the wood (see picture). I have _never_ done it correctly. When drilling I always tend to incline to some side, and result is that the piece is drilled assymetric. This makes lots of troubles later on when I try to remove as much material as possible to shape the pen. As the holes I’m doing are not traversing through, i’m not able to center the material around the drilling axis, and most of the time it happened to me, that i have at later stage removed at some side too much material, and actually the piece went to thrash.
So my question is – is the _any_ way how to drill such deep hole _exactly_ through the center axis of the box? Some laser guide? jig?
please help
thanks
d.- This topic was modified 6 years, 6 months ago by dejfson.
- This topic was modified 6 years, 6 months ago by dejfson.
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You must be logged in to view attached files.17 October 2017 at 9:26 pm #335949Well, the jig is a chuck that holds the piece in a lathe and a chuck that holds the drill bit on the stationary puppet. But that’s probably what you want to hear.
I would drill the hole in an oversized blank and put a mandrel through the hole to either turn or shave the blank to shape. Use s dab of hide glue tofasten the mandrel. It’s reversible. You can improvise a little lathe with a power drill and some scraps of wood
If you have a pillar drill, use that.
If you don’t have either, you can try something like this:
Your investment is some scraps, a couple of sharpened bolts, a bungee cord, and some thin rope.
- This reply was modified 6 years, 6 months ago by Larry Geib.
- This reply was modified 6 years, 6 months ago by Larry Geib.
Hi Larry,
Thanks for answer. Your hints are perfectly valid. The only problem for me is that this pen was supposed to be manufactured for “no lathe pen challenge” on youtube. So creating my small lathe would not be an option 🙂 I think that without a stationary drill this is almost no go, unless I have an eye of eagle and skills of 100years old japanese working his entire life in cabinetry24 November 2017 at 4:53 am #379272You didn’t mention the challenge.
Then build the pen in two pieces. Put groove down each half, then glue them together. It’s how pencils are made.
If you have something like a Stanley 45 and a fluting cutter, the assembly would yield a round hole.
If you don’t have such a tool and want a round hole, use a gouge before assembly, use a scratch stock, or drill out the assembly afterwards. A normal metal bit will follow the square hole and ream it.
do it in a couple steps. Or use a red hot rod of the proper diameter to burn out the hole. This actually works, after a couple tries.I’d have lots of extra wood and shape the outside after. Start with a square. Plane off the corners to an octagon. Plane those corners off, and you’ll be pretty round with a little sanding.
If the challenge is no power tools, this might be the way to go.
There are other methods of assembling hollow pieces into hexagons and octogons fly fishermen and spar builders use ( google birdsmouth spar) but the pieces would get pretty small.
Hey!
If it were easy, it wouldn’t be a challenge.
- This reply was modified 6 years, 4 months ago by Larry Geib.
- This reply was modified 6 years, 4 months ago by Larry Geib.
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