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25th October 2016, 09:54 AM #1
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Anyone in Perth have a 16mm round over router bit I could use for an hour or so?
I'm making a new TS blade guard and dust extraction hood and would like to round over the entry edge to the circumference of a 100 mm diameter dust extraction port.
The ideal rounding radius for such a port is 25mm but I don't have enough space in the hood for that so the biggest bit I can use is a 16 mm rounding radius.
As usual I have a 12.5mm rounding radius router bit but am loath to spend $70 on a 16mm radius router bit for just one cut.
The material is 20 mm thick acrylic so it won't take any edge of the cutter.
Can offer some interesting pieces (e.g. olive, sheoak) of timber as exchange.
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25th October 2016, 10:19 AM #2
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I'm too far away to be of any help but have a suggestion if you end up unable to find the 16mm.
I found out a long time ago that a cabinet scraper works well on plastics. You can remove the bulk with the 12.5mm and from there use the scraper to increase the radius.
Pete
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25th October 2016, 11:45 AM #3
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Thanks Pete, I'll use that as a last resort.
Originally Posted by QC Inspector
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25th October 2016, 07:33 PM #4
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Might pay to cast about for 5/8th inch unit as well.
I used to be an engineer, I'm not an engineer any more, but on the really good days I can remember when I was.
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25th October 2016, 08:11 PM #5
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Thanks Mal, most of the 16mm I have seen for sale are actually 5/8. Originally Posted by malb
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26th October 2016, 04:47 PM #6
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I have one Bob ,I can send it up to you by post if you can't get one locally.PM me with your snail mail addy if all other options fail.
CheersJohnno
Everyone has a photographic memory, some just don't have film.
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1st November 2016, 11:21 PM #7
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Hi Bob, if you are still looking, have you thought about Masters. Last time I was there, they had plenty of router bits and the price should be pretty good. They may have another price drop soon and probably a couple of extra 10 % off days.
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1st November 2016, 11:34 PM #8
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Thanks Guys I ended up buying a cheapie from Timbecon for $30.
I used it to round over a 100 mm duct opening in some perspex for my new saw guard.
I'll need to use it a few times as I will also be making Bell mouth hoods for some saw guards at the mens shed with it.
Come to think of it I could probably get them to pay for it.
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