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New Guinea Rosewood Boxes #6: The router profile work explained

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Blog entry by robscastle posted 08-09-2014 07:29 AM 894 reads 0 times favorited 2 comments Add to Favorites Watch
« Part 5: Sanding and finishing Part 6 of New Guinea Rosewood Boxes series no next part

You may have seen a follow up comment I made about thinking of using a different router bit to do the profiling.

Well I got a scrap of wood and did some test cuts just to satisfy my curiosity.

History: The NGR boxes were profiled with a 90Deg Grooving bit.

So I set that up first and cut the profile, I then used the Combination bit and repeated the process.

These are the results I obtained:

This is both the profiles and the respective bits together

The 90 deg grooving bit close up, and its respective profile result.

The image of the bit close up is blurred however you can make out the chisel point similar to a twist drill.
What is very obvious is after the fact there is a flat on the 90 deg vee cut in the timber, and its the chisel point producing this effect.

Now the combination bit close up, and its respective profile result.
The flat edge on the combination bit is more obvious and readly recognisable even when examining the bit

Conclusion:

You could if you wanted use the 90 deg Grooving bit and reproduce the same result as the combination bit simply by changing the router bush size and re routing the profile again.

Dependent on just how much flat was acceptable on the profile would determine your choice of bits.
If it was zero or thereabouts neither of these bits would do the job and you would be looking at a laser point bit or similar, of which is not something you would be likely to find in the common garden variety router bit sets.

After seeing the results I am happy with the choice I made for the NGR Box work.

-- Regards Robert



2 comments so far

View stefang's profile

stefang

13243 posts in 2019 days


#1 posted 08-09-2014 09:44 AM

All roads lead to Rome. There are so many creative ways to use routers/bits, but I haven’t explored many of them to date.

-- Mike, an American living in Norway.

View Roger's profile

Roger

14813 posts in 1489 days


#2 posted 08-10-2014 04:34 PM

I have to say the same thing that Mike above just said. I consider myself a “rookie” of sorts, because I know a lot, but, I still don’t know a lot. Hope that makes sense.

-- Roger from KY. Work/Play/Travel Safe. Kentuk55@bellsouth.net

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