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Mitre guage slot / Router table insert size

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Blog entry by nobuckle posted 11-08-2010 06:17 AM 1029 reads 0 times favorited 1 comment Add to Favorites Watch

Over the past few days I’ve been working on adding a router table to my tablesaw. Things have been coming along fairly well. I’ve been able to receive alot of wonder help from various LJ subscribers for which I am very thankful. I now have some other decisions to make and I need your help.

Decision 1. What size should I make the router insert plate? Most I’ve seen are about 9” x 12”. One author said to make the insert plate as small as possible without making it difficult to take the router in and out.

Decision 2. Should I use the Incra brand t-track or the Kraig brand mitre guage track? If I use the Incra brand I do not have to remove the stabilizer disc on the front of my Delta mitre guage. With the Incra brand I also have to make the dado 1-1/8” wide. If I use the Kraig brand track I have to remove the stabilizer disc from my mitre guage. I would only have to make a 1” dado in this case. Because of a mistake I made I had to reglue part of the top back on. I used biscuits to help align the two pieces. Where I place this mitre guage slot is crucial. I don’t want to place it to close to the insert plate but I certainly can’t create the dado where my biscuits are. Which brings me to the next decision.

Decision 3. How far away from the center of the router insert plate should I place the mitre slot? At this point in the design I have it laid out so the center of the mitre slot is about 5-3/4” from the center of the insert plate, assuming that the insert plate is 9” x 12”.

The imediate challenge is to not allow these questions to keep me up all night. Yeah, right!

I would really appreciate your insight. Thanks in advance. Take care.

-- Doug - Make an effort to live by the slogan "We try harder"



1 comment so far

View cjohnson's profile

cjohnson

13 posts in 1420 days


#1 posted 11-08-2010 03:27 PM

I do agree that the router plate insert should be as small as possible. This is to minimize flex in the base plate which will allow the router to move up and down slightly. Even a very small amount of flex can affect your work. Also, make the router plate out of the stiffest material you can get. We sometimes want to skimp on this and use scrap plywood or MDF instead of a phenolic product. I know from experience that a little flex in the base plate can cause problems.
The base plate should sit on a nice flat surface that is co-planar with the table top as well. So take your time when routing the rebate and make sure you do a good job on this part.

Good luck

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