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Delta Mortiser 14-651 #13: Accuracy - Maybe Just a Crazy Idea

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Blog entry by LegendInMyOwnMind posted 1156 days ago 2094 reads 0 times favorited 5 comments Add to Favorites Watch
« Part 12: Quick and Dirty Tenon Cutting Jig Part 13 of Delta Mortiser 14-651 series Part 14: Arts & Crafts Picture Frame - Very Rough »

Can I add a dial indicator to the machine that tells the depth of the fence?

That way I could dial in/out the fence distance accurately?

Thinking about where/how to add the dial indicator. I know the moving point wants to touch the back of the fence adjacent to the bit. The other end needs to be securely attached to the machine.

-- Doug - When all you own is a hammer, everything looks like a nail.



5 comments so far

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lew

9938 posts in 2352 days


#1 posted 1156 days ago

That would probably work but it might be overkill. I’ve always used the “mark and flip” (singing group from the late 50’s) method. Drop the bit/chisel until the bit point makes an impression on the work piece. Flip the piece end for end. Slide the piece until the impression is under the bit and lower the bit/bit chisel. If the bit drops precisely into the the impression, the piece is centered- if not readjust the fence. This is easier than it sounds.

For me, a precision adjustment screw mechanism, on the fence, would be more useful than the indicator.

Just my 2ยข

Lew

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

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LegendInMyOwnMind

198 posts in 1183 days


#2 posted 1156 days ago

I tried the flip method and it was off by .020.

-- Doug - When all you own is a hammer, everything looks like a nail.

View LegendInMyOwnMind's profile

LegendInMyOwnMind

198 posts in 1183 days


#3 posted 1155 days ago

@Lew – Ya, I agree with the need for a prevision adjustment screw mechanism. I got closer last night and thought that that brad point lined up pretty good. Some of the holes I cut were decent, but most were not all that well aligned with the tenon.

Then again my quick and dirty tenon jig is very much aptly named.

-- Doug - When all you own is a hammer, everything looks like a nail.

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LegendInMyOwnMind

198 posts in 1183 days


#4 posted 1155 days ago

This looks like it has promise as a dial indicator that I could add to the tool base.

-- Doug - When all you own is a hammer, everything looks like a nail.

View LegendInMyOwnMind's profile

LegendInMyOwnMind

198 posts in 1183 days


#5 posted 1155 days ago

This looks like it has promise as a dial indicator that I could add to the tool base.

-- Doug - When all you own is a hammer, everything looks like a nail.

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