Square holes

Square holes

This topic has 6 replies, 4 voices, and was last updated 12 November 2010 at 16:08 by Richard Parsons.

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9 November 2010 at 20:33 #58514
macmarch
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@macmarch
Does anyone know which issue contains the details of constructing the attachment for drilling square holes? I did start to look in the archive but it taking so long and there are a number of issues not listed.
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9 November 2010 at 20:33 #5283
macmarch
Participant
@macmarch
10 November 2010 at 01:04 #58523
John Baguley
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@johnbaguley78655
Could be Volume 197, issue 4287? I don’t think the archive goes back that far though.

John
10 November 2010 at 10:41 #58536
Weary
Participant
@weary
2006, Vol:197, Issue 4285, page 493 ??

How to drill square holes, author Jacques Maurel.

Here is a searchable index if this is not the correct article.

This series of postings covers the topic, and includes a number of postings from M. Maurel on the subject.

M. Maurel has his own website here and posts videos on youtube.

Edited By Weary on 10/11/2010 10:44:07

Edited By Weary on 10/11/2010 10:48:10
11 November 2010 at 16:35 #58627
Richard Parsons
Participant
@richardparsons61721
MacsMarch have a look at some of my pics. On the surface plate in the top left is the thing described in the article

Good luck
11 November 2010 at 18:51 #58635
macmarch
Participant
@macmarch
No wonder I couldn’t find it, I don’t have a sub to M.E., only M.E.W.

I have had a look at Weary’s links. Plenty to study there. Thanks Richard. All I have to do now is make it.

cheers all

Ray
12 November 2010 at 16:08 #58685
Richard Parsons
Participant
@richardparsons61721
Macmarch – two tips.

The Warrington coupling inside it uses two ‘bearing plates that came from SKF are hard but thin. Rather than cut them as recommended I used a ‘cheapo’ diamond burr (fraise) and ground holes with my ancient Dremel. It did for the burr but it was worth it.!

The No2 MT was machined in the Myford using a taper turning attachment. If, when you make yours, and it sort of fits where it touches. machine away the center 1/3^rd of the length.
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