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Gary Brooke08/11/2011 16:00:53
28 forum posts
Hi all it's me again they just get worse. After a good day in the workshop.(shed)I was tidying up when dropped my square on the floor. The question is there any way test if it's still square .
Regards Gary
Terryd08/11/2011 16:11:34
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1946 forum posts
179 photos
Hi Gary,
 
Get a piece of material, preferably steel plate or the finished side of an angle plate etc., with a good straight edge on one side. Use your square to draw a line using the straight edge, flip the square over and check your square against the original line you drew.
 
Regards
 
Terry
Nobby08/11/2011 18:19:55
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587 forum posts
113 photos
Hi Gary

Have you or do you know anybody who as a hardened & ground bottle square ? . what size is it ? 2 questions sorry

Terrys idea is good We learn something new every day

Nobby





JasonB08/11/2011 18:42:44
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25215 forum posts
3105 photos
1 articles
I've always been taught and used Terry's method quick & easy particularly on larger squares.
 
Nobby I've not heard of a Bottle square is that what I know as a cylindrical square - length of ground tube with accurately ground ends. Though if you also know someone with a square that has not been dropped that should be OK to check against.
 
J

Edited By JasonB on 08/11/2011 18:43:59

Gary Brooke08/11/2011 19:50:26
28 forum posts
Thanks once again you steer me in the right direction. Using Terry's method everything seems ok.shame the learning curve is not that easy.
Regards Gary
Stub Mandrel08/11/2011 20:03:43
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4318 forum posts
291 photos
1 articles
Glad the squares's OK. How's your foot?
 
Seriously, I have a very old patent square, which looks wonderfully well made. It's about 88-degrees. I have no idea what sort of forces must have been applied to put it so far out without otherwise damaging it. Perhaps I will have a go at milling the blade true one of these days.
 
Neil

Edited By Stub Mandrel on 08/11/2011 20:05:36

Ian S C09/11/2011 01:40:50
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7468 forum posts
230 photos
Rob, where do you keep it, and how many mates do you have to lift it, 40 mm X 100m weighs a fair bit! Do you use it vertically, that must be fun? Ian S C
 
 
I suppose you ment 100 mm

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