Jointer cutter head lock mod #2: Two more holes, then try it out

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Blog entry by ic3ss posted 05-21-2012 08:23 AM 2688 reads 1 time favorited 2 comments Add to Favorites Watch
« Part 1: Modify cutter head so it can be locked when adjusting knives Part 2 of Jointer cutter head lock mod series no next part

With my jig glue up now dried, I tested the jig in each of the three knife positions with the pin through the jig and the bearing housing, fits like a glove.

Now I indexed the jig to the next positions of the cutter head and drilled the remaining two holes. The pin fits perfectly in all three positions.

So with the cutter head completed, now comes re-assembly. Here’s a picture showing the locking pin with it all the way into the cutter head, locking it in place so I can install the knives.

Ok, here’s where the rubber meets the road. I know this picture doesn’t show anything other than my setup for adjusting the knives. I was able to install all three knives in 5 minutes, with all three having + – 0.001” from end to end and from knife to knife, and I did all three in one try, never having to loosen and re-adjust and try again. I didn’t have to roll the cutter head back and forth to make sure my dial indicator said it was at top dead center, I didn’t cut myself, and most importantly, it was stupid-easy and I was done in a few minutes.

Now I’m sure there’s some of you more experienced guys out there that can do this in the same time with one hand tied behind your back while hopping on one foot. For me, I’d rather not have to spend the years fighting with and swearing at my tools before I get that good, I’d rather be cutting wood.

Thanks for looking, and have a great day.


-- "I am endeavoring, ma'am, to construct a mnemonic memory circuit using stone knives and bear skins."

2 comments so far

View stefang's profile


17040 posts in 4667 days

#1 posted 05-21-2012 09:05 PM

This looks like a great solution Wayne. Personally I use a wedge and it works ok, but I usually misplace the wedge between adjustments and have to cut a new one every time. Your idea is a lot easier in the long run and more precise.

-- Mike, an American living in Norway.

View ic3ss's profile


404 posts in 4110 days

#2 posted 05-22-2012 03:14 AM


This mod only took me a couple of hours to do and was pretty easy. The big thing is making sure that you drill holes are located right before drilling, so I took my time with scribing guide lines.


-- "I am endeavoring, ma'am, to construct a mnemonic memory circuit using stone knives and bear skins."

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