Gallery, Projects and General > How to's
Long Reach Drill
fatal-exception:
That's a great idea, BUT maybe I'm missing something here....how does the drill lock axially into the extension? Wouldn't the drill tend to pull out of the extension when retracting?
John Stevenson:
--- Quote from: fatal-exception on August 20, 2010, 06:07:33 PM ---That's a great idea, BUT maybe I'm missing something here....how does the drill lock axially into the extension? Wouldn't the drill tend to pull out of the extension when retracting?
--- End quote ---
It's because it works in a time / space environment bubble.
You start drilling on October 31, 2009 when the first post was made and by today it's forgotten which way it was turning so it also forgets to fall out.
simple innit?
Lew_Merrick_PE:
--- Quote from: fatal-exception on August 20, 2010, 06:07:33 PM ---That's a great idea, BUT maybe I'm missing something here....how does the drill lock axially into the extension? Wouldn't the drill tend to pull out of the extension when retracting?
--- End quote ---
Fatal -- For this set-up to work well, the bore in the extension shank needs to be a close fit to the shank of the drill bit. The chisel-edge ground at the butt of the drill bit not only locks it radially, it also jams the bit in the bore. My experience with such things is that you need to "drift" the bit out of the extension shank in a manner not dissimilar to removing a Morse Taper bit. Does that clarify things?
75Plus:
--- Quote from: John Stevenson on August 20, 2010, 06:42:22 PM ---
--- Quote from: fatal-exception on August 20, 2010, 06:07:33 PM ---That's a great idea, BUT maybe I'm missing something here....how does the drill lock axially into the extension? Wouldn't the drill tend to pull out of the extension when retracting?
--- End quote ---
It's because it works in a time / space environment bubble.
You start drilling on October 31, 2009 when the first post was made and by today it's forgotten which way it was turning so it also forgets to fall out.
simple innit?
--- End quote ---
Perhaps I missed it but I cannot find the rule setting the length of time before a "How To' becomes a "Don't Bother".
Can anyone point it out to me?
Joe
crabsign69:
here is one i made and boy did it work good and it did not come out i had to get a punch and remove the drill bit from the tool holder
i cut everything at an angle the bit and the tool and its works very good :thumbup: :mmr:
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