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Cabinet making question

Posted on 12/16/23 at 3:11 pm
Posted by Liger43
Hammond
Member since Sep 2019
517 posts
Posted on 12/16/23 at 3:11 pm
I do carpentry work and I’ve been picking up more cabinet jobs. I’m currently making basic tongue and groove shaker style cabinet. When I’m making the grooves it tends to blow out the wood at the end every time. What is the cause of this. Is it that the router bit isn’t sharp enough? I am just trying to figure it out because i’m very meticulous about my work and it takes to much time fixing it on each door. Any feedback helps.
Posted by Obtuse1
Westside Bodymore Yo
Member since Sep 2016
27050 posts
Posted on 12/16/23 at 3:16 pm to
The answer is to use a shaper and feeder so you can climb cut.

ETA: are you talking a full depth pass? If so try milling in 2 or 3 passes to get to the desired depth
This post was edited on 12/16/23 at 3:24 pm
Posted by Cuz413
Member since Nov 2007
7982 posts
Posted on 12/16/23 at 3:20 pm to
The easy answer is to clamp a piece of scrap wood to your project to keep the bit from tearing out your work piece.
Posted by LegendInMyMind
Member since Apr 2019
58253 posts
Posted on 12/16/23 at 3:24 pm to
Are you using a sacrificial backer board when you push the board through the profile bit? If not, that will solve your issue.

ETA: On the backside of your finished piece. It supports the wood fibers when the profile bit passes out of the material.
This post was edited on 12/16/23 at 3:32 pm
Posted by Liger43
Hammond
Member since Sep 2019
517 posts
Posted on 12/16/23 at 3:41 pm to
Thanks fellas! Very useful tips.
Posted by deltaland
Member since Mar 2011
92660 posts
Posted on 12/16/23 at 4:26 pm to
quote:

Cabinet making question


You running for President?
Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
67280 posts
Posted on 12/16/23 at 5:34 pm to
Use stainless instead of wood.

Duh.
Posted by poochie
Houma, la
Member since Apr 2007
6624 posts
Posted on 12/16/23 at 6:10 pm to
Sacrificial backer. Or I’ve seen bulk makers make them bigger then cut them down to size.
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