Maybe missing the obvious about PC 4216 and sliding dovetail

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Forum topic by jeffporter posted 06-15-2015 01:11 AM 654 views 0 times favorited 2 replies Add to Favorites Watch
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16 posts in 3238 days

06-15-2015 01:11 AM

Topic tags/keywords: sliding dovetail porter-cable 4216 tenon question jig

I looked through other discussions about the Porter-Cable 42## dovetail jigs, but I can’t quite find the information I’m seeking. I have a 4216 and have been happy with it, but today I did my first stab at making a sliding dovetail and got a little lost. My problem: Made the dado, which was the easy part. But making the tenon was a different matter. The instruction book seems to miss something important – how can you tell where to place the tenon board or the template in relation to the tenon board’s location? The book talks about correcting your cut if the joint is too tight or too loose, but it doesn’t tell you anything about placing the tenon board in the first place. Anyone willing to share tips/tricks for this? Or am I just missing something obvious, which is entirely possible?

-- JP, Columbia, Mo.

2 replies so far

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2915 posts in 2172 days

#1 posted 06-15-2015 02:01 AM

You need several scraps. It has been awhile since I used mine for sliding dovetails. Once the dado is made I believe you mount the tenon piece as the book says and make your cuts then try for fit and adjust as it says for tight or loose. Have enough scrap the proper thickness before starting.
The current issue of Fine Woodworking has an excellent article on tapering a sliding dovetail to make it easier to assemble. If you can get access to that article you moght read it before doing the sliding dovetail.

-- Bruce, Boise, ID

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16 posts in 3238 days

#2 posted 06-15-2015 02:05 AM

I’ll check out that Fine Woodworking article. I’ve got lots of scraps, but you’d think the manufacturer would give more precise information. :-)

-- JP, Columbia, Mo.

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