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20th February 2016, 08:04 PM #1SENIOR MEMBER
- Join Date
- May 2010
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- Bendigo
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- 776
Make your own glue line cut blade - accidentally
Yep, I got a ripper glue line cut blade by accident.
I bought an Opteon 10" 40 tooth ATB (1/8" kerf) at my local saw blade shop in Bendigo, and asked them to re-profile it to FTB (flat top) so i could use it in my box joint jig. (It was also OK for most rip cuts - yes I know a 28 tooth would be better but money is tight and that's my compromise)
All good, great blade too - just one small problem, the kerf was actually greater than 1/8". By my gauge it was .129 inches. that of course made the box joints too sloppy. Well i got sick of having to compensate on the last cut of each tongue, sometimes forgetting and all that, so I got to thinking how I might redress that problem.
While thinking I happened to look at my diamond plate, aha!
So very carefully, I ground down both sides of the blade by dragging the teeth across the plate, laying it flat against the plate (8" x 3" 600 grit, so plenty of surface to accommodate about 12 to 15 teeth at a time. this very successfully ground the teeth down to .126 by my measurements, which on testing also worked well for the box joints (Be VERY careful to do lots of testing along the way - easy to go too far, those diamond plates feel like they are doing nothing but are hogging material away like crazy. Do this at your own risk!)
Now, long story I know - the added bonus is suddenly I have an AWESOME glue line rip blade. The rip cuts are amazing, truly. TOTALLY different to previous cuts on same blade.
Thinking about it, that is pretty much obvious as there is all that perfectly vertical cutting edge now.
Worth thinking about for your own rip blades whether FTB or ATB.
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20th February 2016 08:04 PM # ADSGoogle Adsense Advertisement
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21st February 2016, 12:23 AM #2China
- Join Date
- Dec 2005
- Location
- South Australia
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- 4,470
In essence you created a planing blade
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21st February 2016, 02:02 PM #3SENIOR MEMBER
- Join Date
- May 2010
- Location
- Bendigo
- Posts
- 776
I'll have to look up that term China, but yes. Being a fairly new woody there are lots of good discoveries being made. Not as many as the bad discoveries mind you, like learning the hard way that I should have actually measured twice, dry fitted before applying glue, checked for buried nails..............
Man, that old learning curve is steep, and unforgiving
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21st February 2016, 09:47 PM #4
and you never forget the result either
The person who never made a mistake never made anything
Cheers
Ray
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