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tube notcher project.

joshuaz223

Well-known member
Joined
Feb 11, 2012
Messages
49
Location
Central Square, NY
had a job that required a lot of notches in tubing. i have wanted a better way than angle cutting and grinding so after a little research on various designs and a look at the scrap available this is what i came up with.

started off by cutting off a piece of 2" plate
001-6_zps8f28319e.jpg


remove metal till you have this
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make some clamps
001-6_zpsc9c08034.jpg


a support arm and bearing block.
003-1_zpsb71f5724.jpg


pivot pin
IMG_4920_zps34ad6133.jpg

IMG_4921_zpsf1aafbc2.jpg

IMG_4924_zpsa2090ff0.jpg


drill shaft
001_zpsf837c55d.jpg


the completed project
004_zps132ee64b.jpg

003_zps018c747d.jpg
 
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Steevo

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Aug 18, 2009
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43.49600, -112.04300
That is an awesome jig you made.

I want to see the video of you sawing that block with the hack saw, though ;)

Also, where do you set your angle for the hole saw arbor pivot?
 

BD1

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Joined
Mar 18, 2007
Messages
4,602
Location
north side
Totally awesome !!!! My favorite is the pic with the hacksaw. It must have took two days and four guys to cut it with that.
 

454ragtop

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Joined
Mar 24, 2008
Messages
5,011
Location
Carver, MA
Great job! Alnost seems like the main plate could have been about 3" shorter, or is there a reason for the extra plate and hole locations? Arm too tired to cut it off with the hacksaw?:D
Thanks for sharing, Jim
 
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J

joshuaz223

Well-known member
Joined
Feb 11, 2012
Messages
49
Location
Central Square, NY
forgot the angle question. in my experience you very rarely know the angle you want to cut. you measure the angle with an angle finder and transfer that to the notcher. my notcher has large flats so that setting the angle is easy.
 
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phill u7c

Active member
Joined
Jan 9, 2009
Messages
38
Location
Cambridge, UK
Hey that looks like a neat project well done, I did try to make a tube knocker, after seeing the ones that are for sale here in the UK, then i looked at my lathe and its tool post and figured that i would mod the tool post to fit and hold the tube. After seeing your solution to this i will steal your idea and adapt it to what i have. Thank you for posting your project.
 
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