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Swinging Thread tool
AdeV:
:doh: :doh: :doh: :doh: :doh: :doh: :doh: :doh: :doh: :doh:
About 6 months ago, I was offered a whole huge pile of those die heads for the price of scrap. I couldn't see me ever using them, so he ended up scrapping them.
For shame.
They were all new in boxes as well, probably all whitworth stuff, but you never know.
Boucher:
Development of the swinging thread tool.
John said: This is it in it's final version, the original tool was just a hole reamed thru a large brazed parting tool reground into a threading tool, with a slot cut in the bottom.
The die head type laydown insert produces a better quality thread in difficult materials and does it quicker than a single point tool.
I started with the vertical insert tool because that is what I had and liked it. I have a few of the Rigid pipe thread dies but have never seen the ones that John has. The Carmex type full profile lay down insert also seems to produce a smoother thread surface. Some of this is due to the positive rake of those type inserts but the multiple points seem to really improve the quality.
Where should I start looking for that type threading die?
Powder Keg:
John? I thought I was the only one who posted pictures of dirty machines with chips all over them? :lol: :lol: :lol:
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