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18th Dec 2015, 10:15 PM #1Golden Member
- Join Date
- Sep 2008
- Location
- Riddells Creek, Vic.
- Posts
- 831
An Addition to a Surface Gauge for Checking Squareness.
I have been meaning to make one of these simple fittings for ages but always got by just using a ball bearing of about 5/8" diameter in the front Vee in the base of the surface gauge. That method works quite well but is a bit of mucking around and you have to keep chasing the ball around the surface plate.
I was prompted to spend a few hours making something more user friendly after reading a discussion on PM about a You Tube video by The Tool and Die Guy where he shows his version.
First step was to drill and tap M4 holes in the base.
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Machining the 50mm Radius using a boring head.
photo 1.JPG
The almost finished product.
photo 3.JPG
Setting up on Master Square.
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Checking the actual part that I made it for.
( Saddle from Hercus Computurn)
photo 5.JPG
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19th Dec 2015, 11:18 AM #2
Nicely made, and a very handy device to have around.
I have a similar setup, and for fun tested all the squares... out of all the squares in the workshop, only one was even close to actually being square.
Of course, once you get three things square to each other, you have a reference to work with. Same concept as getting three things flat.
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