Slot cutters and biscuits? - Router Forums
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post #1 of 18 (permalink) Old 09-13-2016, 09:28 AM Thread Starter
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Default Slot cutters and biscuits?

For a # 20 biscuit how deep does the slot need to be?

Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #2 of 18 (permalink) Old 09-13-2016, 09:38 AM
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Would this help?

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post #3 of 18 (permalink) Old 09-13-2016, 10:22 AM
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Originally Posted by hawkeye10 View Post
For a # 20 biscuit how deep does the slot need to be?
1/2 the width + 1/32~1/16"

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!!!
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post #4 of 18 (permalink) Old 09-13-2016, 10:30 AM
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Some manufacturers advertise certain of their cutters as being able to make slots for biscuits so just check their websites to see which ones are recommended. The big drawback of using a router for making biscuit slots is that you can only make them near an edge.

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 #5 of 18 (permalink) Old 09-14-2016, 12:41 AM
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Originally Posted by Cherryville Chuck View Post
Some manufacturers advertise certain of their cutters as being able to make slots for biscuits so just check their websites to see which ones are recommended. The big drawback of using a router for making biscuit slots is that you can only make them near an edge.
To follow up on the suggestion made by @Cherryville Chuck here is a link to one router bit seller web site slot cutter page that lists which cutters are suited for which size biscuits: A 5/32" carbide height/width of cut/kerf, 9/16" deep cut is what is listed for #20 (and #10 and #0) biscuits.

MLCS Slot Cutter Router Bits and Stackable Slot Cutter Set

Although I am far from expert on this topic (read "I know what a biscuit is") having read enough posts by @Stick486 I wonder if splines would not be better.
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post #6 of 18 (permalink) Old 09-14-2016, 12:58 AM
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I wonder if splines would not be better.
yes they would...

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 #7 of 18 (permalink) Old 09-14-2016, 06:41 AM Thread Starter
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Quote:
Originally Posted by mftha View Post
To follow up on the suggestion made by @Cherryville Chuck here is a link to one router bit seller web site slot cutter page that lists which cutters are suited for which size biscuits: A 5/32" carbide height/width of cut/kerf, 9/16" deep cut is what is listed for #20 (and #10 and #0) biscuits.

MLCS Slot Cutter Router Bits and Stackable Slot Cutter Set

Although I am far from expert on this topic (read "I know what a biscuit is") having read enough posts by @Stick486 I wonder if splines would not be better.
Thanks Tom for your suggestions. I do use splines at times and biscuits on occasions. You might say I go both ways but only in wood working.

Don in Murfreesboro,Tn.

Measure once cut twice and it's still to short.
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post #8 of 18 (permalink) Old 09-14-2016, 09:49 AM
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JMHO, splines nor biscuits provide much more than an alignment aid. Except in a very few instances do they add a measurable amount of strength to a glued joint.
Again, JMHO, they are a waste of time.
YMMV
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post #9 of 18 (permalink) Old 09-14-2016, 11:06 AM
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Originally Posted by Gene Howe View Post
JMHO, splines nor biscuits provide much more than an alignment aid. Except in a very few instances do they add a measurable amount of strength to a glued joint.
Again, JMHO, they are a waste of time.
YMMV
sorry you feel that way about splines...

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 #10 of 18 (permalink) Old 09-14-2016, 11:49 AM
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So, educate me about those applications where they are useful.
Hey, I'm still larnin'.

Gene Howe
Snowflake, AZ

'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

Please edit your profile with a name and location so we can better assist you and make for a friendlier forum.
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