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| wongster:
Thanks Bernd. I'm quite comfortable with up to the recommended 0.25mm. For the sherline flycutter with a left hand tool mounted, the recommended spindle speed is 1/2 of the usual for any given material. Found that the surface finish wasn't really nice. It gave a nicer finish with full spindle speed of 2800rpm on aluminium. So far this flycutter has been giving me better result as compared to the one with insert (also by sherline). The one with insert gave circular scratch marks on the surface. :scratch: I'll try grinding the rounded tool again to see if I can get that right. Next task for the QTCP holder is to mill the slot before doing the dovetail. Have a couple of questions on that. I'll put them in the thread I started on this little project. Regards, Wong |
| sportandmiah:
Bogstandard's pictures make no sense. The "Top" doesn't appear on the top, but on the side. And the cutting edge is on the top also? What does "top" mean? |
| wongster:
This is my take on your question: We're using left hand tool for this. When placed in the slot of the fly cutter, the top of the tool faces the side. So the top is now the side in this orientation. Regards, Wong |
| No1_sonuk:
--- Quote from: wongster on August 23, 2010, 06:56:28 PM ---Wow, yours seem to be a rather deep cut. I'm only doing max of 0.25mm per pass, as recommended by Sherline. But I'm usually on around 0.15mm to 0.2mm. --- End quote --- I might be wrong, but it looks like a block of Delrin (plastic). That could explain the deep cuts. --- Quote from: wongster on August 23, 2010, 11:40:22 PM ---This is my take on your question: We're using left hand tool for this. When placed in the slot of the fly cutter, the top of the tool faces to the side. So the top is now the side in this orientation. --- End quote --- I believe that is the case. Think of it as a lathe tool. If you used a lathe tool as a fly cutter, you'd need to turn it on its side. |
| fatal-exception:
I'm not using that cutter on a Sherline, and yes it's a block of HDPE plastic. 1/8" in that stuff is a light cut. :whip: I agree that the pictures are confusing. Even if your turning a lathe tool on it's side, it should be labeled as it would be held in the tool holder. Just my 2 cents. Paul |
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