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Articulated Hollowing jig #1: Homemade hollowing jig

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Blog entry by Julian posted 11-25-2016 12:06 AM 1007 reads 0 times favorited 5 comments Add to Favorites Watch
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I wanted to make a hollowing jig similar to some that are commercially available. I made mine mostly from aluminum. A couple parts are steel. I had some of the parts such as the 3/4” vertical shaft, the bottom base that holds the vertical shaft, and the 2 collars. I did have to purchase the aluminum, set screws, dowel pins, and thrust washers. The articulated hollowing jig cost me less than $60.

The boring bar is 3/4” steel with a HSS cutter that I sharpened. The boring bar was 3 foot long and I made two from that piece of steel with some left over. The cost for the boring bar and cutters was only $12.
It may not look as fancy as commercially purchased tools but they work just as well.

-- Julian



5 comments so far

View Wildwood's profile

Wildwood

2132 posts in 1886 days


#1 posted 11-26-2016 04:14 PM

Not a big fan of carbide cutters for hollowing but not such a big deal. You built an outstanding hollowing system that rivals those commercial ones!

Good luck with it.

-- Bill

View Ken90712's profile

Ken90712

17455 posts in 2940 days


#2 posted 11-28-2016 12:41 AM

That’s awesome, great work.

-- Ken, "Everyday above ground is a good day!"

View Julian's profile

Julian

1203 posts in 2442 days


#3 posted 11-30-2016 05:17 PM

Bill, the cutter is actually HSS.

-- Julian

View hnau's profile

hnau

88 posts in 294 days


#4 posted 11-30-2016 06:00 PM

-- Spammer in processed of being removed.

View bhuvi's profile

bhuvi

97 posts in 293 days


#5 posted 12-01-2016 01:59 PM

-- Do NOT click links. Spammer in the process of being removed.

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