More sliding fence box joint issues - Page 2 - Router Forums
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post #11 of 60 (permalink) Old 11-16-2016, 10:21 AM
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I tried making dovetails and finger joints, using El Cheapo plywood from the Big Blue Store. It was a disaster! Wrote off using plywood for dovetails or box joints. In the future, I will use quality, solid wood just for the ease of cutting on a TS or router table.
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post #12 of 60 (permalink) Old 11-16-2016, 03:47 PM Thread Starter
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I was recommended to use a spiral cutter for this job. I'm confused about "up cutter" and "down cutter" when used in a router table. Since these are blind slots, I think I want a spiral up cutter so it pulls the chips down out of the slot, yes?

Thanks to all for the advice, I'll let you know how I'm doing as it goes.

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post #13 of 60 (permalink) Old 11-16-2016, 05:09 PM
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Chas if you are drilling a mortice or blind slot you want an up spiral to move chips out. If you are trimming an edge or using a guide bushing and template and you don't want the top edge ragged then you use a down spiral. If you are going all the way through and you want the bottom side with a clean edge you go up spiral again. If you want both edges clean you use a compression bit (and of course more money for those).

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #14 of 60 (permalink) Old 11-16-2016, 09:48 PM
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I agree with @Knothead47 and use the Drawerlock bit for all my plywood drawers. It is so simple and does a beautiful job. And the box joints for my solid wood boxes. Plywood does not work for me for dovetails or box joints.
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post #15 of 60 (permalink) Old 11-16-2016, 10:37 PM
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Quote:
Originally Posted by Herb Stoops View Post
I agree with @Knothead47 and use the Drawerlock bit for all my plywood drawers. It is so simple and does a beautiful job. And the box joints for my solid wood boxes. Plywood does not work for me for dovetails or box joints.
Herb
I gotta disagree w/ you both...
not only that.. GIVE HIM A BREAK...
instead of trying to discourage... encourage...
everybody started someplace...
Chas is just now in his learning curve and he is trying hard to master these box joints...
so he's using them on drawers... he'll move on to plan ''B'' and we'll help him there too...
wanna bet fine box jointed boxes by CW are on the horizon..

and take the easy route on drawer corners.. do the corners w/ rebated rabbets...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #16 of 60 (permalink) Old 11-17-2016, 12:41 AM
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I agree with you guys , seeing as plywood is small layers laminated together , it must be a headache not getting tear out .
I'd love to know how someone pulled this off . Table saw ?
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I don’t always insulate , but when I do .
Ok ,I never insulate
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post #17 of 60 (permalink) Old 11-17-2016, 05:18 AM
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I agree with you guys , seeing as plywood is small layers laminated together , it must be a headache not getting tear out .
I'd love to know how someone pulled this off . Table saw ?
Rick...
you see the density of layers??
resin based glue has saturated the veneer layers and added to the fiber cohesiveness of the veneers...
they may even be ultrasonically welded making them a close 2nd to solid wood...
could even be HRF cured/welded.... again, making them the other close 2nd to solid wood...

then they are most likely CNC cut w/ spiral or compression bit...

at some point he is going to end up w/ up, down, helix or compression spiral bits...
each has their place...

COMPRESSION bit:

The part of the bit closest to the tip is upcut and the other end is downcut... That is why it’s called a compression bit. It compresses the chips into the center of the bit.
It’s great for cutting openings in wood..... This makes it especially great for plywood, laminates and MDF when you need both the top and bottom edges clean. You just have to make sure that the piece of wood you are cutting is thick enough so that both ends of the bit have room to work.....

Spiral Router Bits vs. Straight Router Bits Page 1
Router Bits - Up-Cut, Down-Cut and Now, Quadra-Cut. / Rockler How-to

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #18 of 60 (permalink) Old 11-17-2016, 05:27 AM
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Default @CharlesWebster

these may help you out a bit...
Attached Files
File Type: pdf BALIC BIRCH.pdf (166.7 KB, 163 views)
File Type: pdf Choose the Right Plywood.pdf (178.4 KB, 149 views)
File Type: pdf Choosing_Plywood -.pdf (303.0 KB, 139 views)
File Type: pdf ALL ABOUT PLYWOOD.pdf (70.8 KB, 171 views)
File Type: pdf PLWOOD - GRADES and TYPE.pdf (127.6 KB, 149 views)
File Type: pdf PLYWOOD GRADES.pdf (40.8 KB, 187 views)

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #19 of 60 (permalink) Old 11-17-2016, 08:26 AM
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Quote:
Originally Posted by Stick486 View Post
I gotta disagree w/ you both...................

and take the easy route on drawer corners.. do the corners w/ rebated rabbets...
Stick I'm confused I thought that is what he was using the box joints for, hence my reply to make a traditional carpenter's drawer and not use box joints.
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post #20 of 60 (permalink) Old 11-17-2016, 09:05 AM
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Stick, I read you Lima Charlie. Yes, we all started out sometime in the past. When I got my first lathe, my first turning was a piece of pine and a wood chisel. Not the best way to start but later bought a set of turning tools from HF. Not the best but do the job for me......until I get some $$$$ to buy some better quality tools. Trying to get the wife to go back to work but she just gives me the evil eye.
Rainman's photo is outstanding. Curious how it was done and where the plywood came from. Never seen any like that.

John T.
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