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Replaceable tip tools.

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sparky mike15/10/2016 19:21:00
259 forum posts
77 photos

Just measured up the shanks on the tools I use on the Boxford and they are 1/2". ,so I assume 12mm. will be as close to that as I will get today? I also have a Super 7 Myford. What is maximum size shank I can use with that ?

Could make sense if I get a set which will suit both lathes.

Thanks for all input so far.

Mike.

Emgee15/10/2016 20:24:11
2610 forum posts
312 photos

Mike, measure the distance from the bottom of the toolholder to a centre placed in the spindle or tailstock, that is the absolute maximum thickness as most insert type turning tooling has the top surface level with the top of the tool shank, boring tools normally at centre of tool height.

It's easy to pack up a tool to centre but if the cutting tip is too high you would have to remove some material from the bottom of the tool to achieve centre cutting height.

Emgee

Ian S C16/10/2016 10:13:40
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7468 forum posts
230 photos

This tool cuts well, but as it is it is not too satisfactory, I think I'll convert it to a bridge type clamp.

Ian S Cdsc01097 (800x600).jpg

Nick Hulme16/10/2016 12:27:28
750 forum posts
37 photos
Posted by Ian S C on 16/10/2016 10:13:40:

This tool cuts well, but as it is it is not too satisfactory, I think I'll convert it to a bridge type clamp.

Would you add a locating peg in place of the screw?

Ian S C17/10/2016 10:19:53
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7468 forum posts
230 photos

Yes Nick, I think I may also put a little locating bump on the bottom of the bridge, Or redesign the whole tool, but the tips were free, so I had to use them, there's a few other shapes as well.

Ian S C

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