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Swinging Thread tool

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Brass_Machine:
Hey guys...

This is a good thread with good information in it. I would like to keep it that way. I do have a feeling that it is bordering on something else. I could be wrong... I normally don't like to step in but I think I will this time. As you are already doing, please keep things civil. The internet is a different form of communication than anyone is really used to. When we talk to someone, you see their body movements and hear the inflections in voice. Even on the phone you can hear the tone etc... Message boards are different. The person reading your post doesn't have the other 90% of communication there is in normal conversation. So when writing (and reading) posts, keep in mind how someone may take what you write. If need be, wait 10 minutes after what you write before posting... re-read it and then decide.

This topic has generated considerable feeling. Let's keep it good.

Eric

Rob.Wilson:

--- Quote from: Davo J on September 22, 2010, 11:38:51 PM ---

Fair enough for Bog's to get on the soap box in his thread, but I think it is rude to get on it here in your thread with the remarks.

Dave

--- End quote ---

Well said Dave ,,,,,,, i am with you on this one  :thumbup:

John,, so what's the difference with this one http://www.homemodelenginemachinist.com/index.php?topic=10165.0  ,, much the same as boucher's ,, in the thread you say its great and no mention of any flaws in the design or being un -safe  if your design was not followed  :scratch:


Rob

Boucher:
It was stated: If you look at the original design carefully, it is using the aluminium block as a pivot, attempting to pull the pivot bolt out of it's hole when cutting right hand threads. Even though small, and maybe wouldn't cause a problem, there is a basic design flaw there.

Actually the 1/2" shoulder bolt has 1/2" thread engagement in the steel QCTH. This is visible on the back view shown in the first post. It was also mentioned that the screw shown was to be replaced with a longer one. The hole in the aluminum is reamed for a close sliding fit. The aluminum block is compressed by the washer and the bolt preload. The hole in the 3/4" tool holder bar is also reamed for a precision fit with the bolt. There is very little sideways deflection of that tool holder bar. Maybe this should have been stated but “this was never intended to be used for left hand threads.” In that respect it may be a bad design but it suits my intended use and it may work for others as well. It is not a bad design and is not intended to in any way reflect on what you developed.

Boucher:
Sometimes the development of tools follows completely unrelated parallel paths and at near the same time. In reality like the question  "Which came first the chicken or the egg." it becomes unimportant. The swinging thread tool comes along and when "One would think that there is nothing new under the sun."  and demonstrates that there is indeed something new. The important thing is that it represents a definite improvement in threading if you have a lathe with the right hardware. A sincere "Thank You" is owed to each and every one that has invested their time and effort in this development. For what it is worth the earliest reference to this was posted by:
MuellerNick
Funny, the original design seems to have ben stolen from Mr. Brück.
He showed it the first time summer 2009.

If you have an earlier claim then please post it.

John Stevenson:
His claim isn't valid, he takes too long doing it. I can thread normally faster   :beer:

John S.

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