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John Rumm John Rumm is offline
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Default Maching rounded edge on planks

On 24/05/2020 14:26, wrote:
On Sunday, 24 May 2020 14:17:39 UTC+1, John Rumm wrote:
On 24/05/2020 13:31, tabbypurr wrote:
On Saturday, 23 May 2020 22:09:44 UTC+1, David wrote:
On Saturday, 23 May 2020 09:04:01 UTC+1, tabby wrote:
On Friday, 22 May 2020 15:15:48 UTC+1, David wrote:
On Thursday, 21 May 2020 22:14:53 UTC+1, Bazza wrote:

I'm looking to renovate a couple of garden benches by
replacing the slats. These are wide benches so the
standard kits of slats are not long enough.

I have some hardwood planks that are suitable but would
need to have the edges rounded.

I can't believe nobody else has suggested it - Angle
Grinder! In this case with a sanding disk. I find this
combination a much-underrated woodworking tool, for outdoor
woodwork at any rate.

Very useful, but entirely the wrong tool for rounding board
edges. Unless you really don't give a dry brown thing how
they look.


NT

I've had some very good results. But I quite understand if you
don't want to try it.

I'm not the OP. Perhaps the OP could get a good result with an ag
& sanding disc, but I've enough experience of disc sanding & ags
to think the odds of that low.


As with any aggressive sander - light pressure and keep moving at
a constant speed. For bench slats I would expect to get plenty good
enough results with an AG if that was what I had to use.


For the op, who knows. Lots of not very experienced diyers took up
the disc sander in the 70s, and the results were in most cases
terrible. They are usable, but probably the hardest type of sander
for the job.


You are not comparing like with like though. A 70's disc sander was
probably a backing pad stuck on the end of a B&D drill spinning at 2400
rpm.

An ungainly and difficult to use contraption, that is likely to snag and
twitch all over the place. Not to mention all the reaction forces are
all in the wrong directions.

A small AG is far more controllable, and more effective due to the much
higher surface speed.

Still its normally fun to watch claims that something can't be done be
interrupted by someone actually doing them... :-)

So here you go:

http://wiki.diyfaq.org.uk/index.php/..._Woodwork_Test


--
Cheers,

John.

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