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2nd December 2008, 01:30 PM #1
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Dremel "Tungsten Carbide" Cutting Bits?
Dear Guys/Gals,
I've just been trying to "Die Grind" a couple of little wear-grooves out of the spring-retaining holes on my Lawn Trimmer's Clutch-Plates, because the grooves are probably causing the Clutch-Springs to break prematurely. I tried using a little spiral-toothed Tungsten Carbide cutting bit that came with a sub-$20, 1-million-pce Rotary Tool Accessory Kit that I had, but I couldn't get anywhere. Now either the Clutch-Plates in question must be made out of fair-dinkum recycled Battleship Armour (from one of those "Ship Graveyards" where they pull everything apart by hand somewhere over in India...) or the Bit in question was not actually made of Tungsten Carbide...
Well, the equivalent original Dremel Bits (like this one for instance: http://www.mytoolstore.com.au/dremel...906-p-202.html) are probably about $30 at the BigB...
The obvious questions are - Do they actually work, and are they worth the money? (as in - will they actually grind a piece of hard metal, or will they just wear away themselves very quickly?...
)
Many Thanks,
Batpig.
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2nd December 2008, 04:07 PM #2
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Wrong tool......should try these style http://www.mytoolstore.com.au/dremel...-c-50_158.html
keep the speed settings slow and the application light or these bits will disintegrate like styrene in petrol...
The Dremel style TC burring tools aren't much good for anything above engraving...
One question.........is there any reason as to why a round file wouldn't be a suitable alternative tool?Ours is not to reason why.....only to point and giggle.
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2nd December 2008, 05:56 PM #3
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Dear SBD,
The Clutch Plates just look a little too thick, and the holes for the Springs a little too small, to be able to get the angles nice and rounded-over with a file (which would also have to be awfully small in diameter...)
Originally Posted by SilentButDeadly
In accordance with your excellent advice, I shall now immediately go and have a look through that el'cheapo million-piece Accessory Kit of mine and see if I've got any of the pointy-style "Pinky's" left. The new Clutch Springs should turn up this week, and the lawns are already somewhat overdue for another cut...(time to drop the Mower another notch, by the looks of it...
)
Many Thanks SBD,
Batpig
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3rd December 2008, 09:48 PM #4
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- 10
Or just talk to a local dental lab, see if they have any old burs around. Better to make sure they do crown work, they'll be more likely to have diamond or old tungstens around.
And totally ot:
I cut mine on the longest setting from as soon as the weather starts to warm up, it shades the roots and keeps moisture in the soil - picked that up from the head of the SA Lawnmower Soc. Originally Posted by Batpig
Seems to work pretty well, I have the greenest grass on the street so far, but it's still early..
Cheers.
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