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Radiiusing the corners of your bench plane
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=28052
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Author:  RonaldD [ Fri Jul 02, 2010 6:57 pm ]
Post subject:  Radiiusing the corners of your bench plane

Hello,
Do any of you radius the corners of your bench plane?
Ronald

Author:  StevenWheeler [ Fri Jul 02, 2010 7:06 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

Indeed I do. Just about 1/8" to keep the corner from digging in.

Steve

Author:  es guitars [ Fri Jul 02, 2010 7:47 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

body or blade? i do slitly on the blade

brent

Author:  RonaldD [ Fri Jul 02, 2010 8:12 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

Blade.
Never thought of the body edge.
But it many very well help (float).
Ronald

Author:  the Padma [ Fri Jul 02, 2010 8:33 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

Well dude , with 2012 just around the corner so to speak
me cut corners every were me can...including all me planes ... with the exception of me rabbiting plane.

blessing
duh Padma

Author:  SteveSmith [ Fri Jul 02, 2010 10:18 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

I radius the corners of my plane blades so they don't dig in.

Author:  Link Van Cleave [ Fri Jul 02, 2010 10:21 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

Like Steven I radius the edges and corners of all my planes except like the Padma my rabbbiting planes. As for the blades I only radius my smoothing plane blade. All others are straight across.
Link

Author:  Stefan [ Sat Jul 03, 2010 8:50 am ]
Post subject:  Re: Radiiusing the corners of your bench plane

How do you radius the corners of the blade? (as opposed to putting a radius/chamber over the whole edge). Do you just a file?

Cheers,

Stefan

Author:  Howard Klepper [ Sat Jul 03, 2010 11:38 am ]
Post subject:  Re: Radiiusing the corners of your bench plane

All convex surfaces now are said to be "radiused"--at least on this forum. Another good word lost. Ironically, imprecision posing as greater precision.

Author:  Stefan [ Sun Jul 04, 2010 2:19 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

If you apply more pressure to the left side, then to the right side this will result in a curve across the width of the blade. However, for joining two pieces of wood together I assume you would want the surface to be planar, not slightly concave which will result from using a blade with a slightly convex edge. So then I suppose one should sharpen the jointer plane, (or which ever plane is getting used for this job) flat across the edge.

But then if you are jointing a piece that is wider than your blade width (multiple passes, overlapping perhaps?) you get torn wood fibers as the blade cuts a very slight rabbet in the wood.

Is this the logic behind rounding corners of the blade? If rounding the corners of the blade is distinct from putting a convex edge over the whole width of the blade, how does one do it?

Cheers,

Stefan

Author:  Nelson Guitars [ Sun Jul 04, 2010 3:42 pm ]
Post subject:  Re: Radiiusing the corners of your bench plane

I "knock the corners off" my irons mostly because it is how I was trained to sharpen Japanese style irons. First the corners are beveled off so that the iron does not cut where it will cause a chip to get bound up when it meets the wood of the plane body, but then a second, small bevel is made on the flat face of the iron.

Attachment:
plane iron back bevel.jpg


When I use the secondary bevel with western style plane irons I find that the line disappears and I also don't get chatter like I do when the corners are square. I believe it is because the a "sharp" corner of the iron passing through the wood has a tendency to grab and flex ever so slightly. The "softer" corner does not seem to grab as much.

Round or beveled I think taking the sharp corners off your plane irons is a good idea.

Greg N

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