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Tool tips

Various tips to make life easier in the workshop

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Stuart Harrison24/01/2011 14:22:55
13 forum posts
10 photos
I am surprised that non-one has mentioned George Thomas's tool for setting the working part of a lathe tool to centre height.  This tool is nothing more than a fixed caliper.  The correct height is determined by feel and the tool can be easily set to an accuracy of +- 0.01mm. Perhaps in this modern age of direct reading digital measuring spring calipers
are no longer used. See photograph.

Edited By Stuart Harrison on 24/01/2011 14:47:55

chris stephens25/01/2011 11:31:24
1049 forum posts
1 photos
Hi Guys,
Have you seen the latest must have bit of kit from across the pond? I am referring to;
Not very expensive but dead easy to make yourself, I know I tried.
chriStephens
Terryd25/01/2011 12:29:12
avatar
1946 forum posts
179 photos
Posted by Stub Mandrel on 22/10/2010 19:38:21:
I set my tools to the pip on some faced off work.
 
'Clip'.......................
 
One of the greatest skills in engineering is to avoid over-engineering. Spurious accuracy or precision just makes things more difficult. Put the effort into making the work the right size, not fretting over tool height.
 
Neil
 
Hi Neil,
 
Hear hear, I'm with you 100% on that. We are talking mostly about model engineering not NASA stuff. As far as I'm concerned the fewer bits of spurious equipment the better. There's less to clutter the place up, lose or break. I use the 'centre pip' method or a sharp centre in the tailstock, there's no need to get all anal about it despite what some of the 'Oracles' say.
 
Best regards
 
Terry
 
 
chris stephens25/01/2011 13:04:12
1049 forum posts
1 photos
Hi Terry,
Don't have a stroke, but I agree with you. Although I have lots of "toys", for everyday quick and simple I just use a thin steel ruler set between tool and work.
Tool height accuracy loses its importance as the work diameter increases, but there is an obverse. For really small work it becomes off vital importance.
 
Re the steel rule, Over the weekend I spoke to a chap who had done his apprenticeship but had never hear of the method!!!
chriStephens
 
Edit 
Just thought of a PS, About my "toys". I suppose the difference between  some others and me  is that I am always looking for improvements and not sitting on my arse doing the same thing forever, just because  that's the way it's always been done. If I hear of something different I will try it and if it works I add it to my arsenal of techniques, if it doesn't I will know better next time, but I will still have learnt from it. A closed mind is as bad as none at all.

Edited By chris stephens on 25/01/2011 13:42:18

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