Tips for cutting high-taper core? - Page 2 - RC Groups
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Dec 14, 2005, 06:29 AM
ZIPPER's Avatar
To get a thicker tip using the pivot method, do the bottom cut first then when you do the top cut space the wire higher at the pivot buy 1/4".
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Dec 15, 2005, 10:30 AM
BillO's Avatar
Thanks to everyone's suggestions, I'm just about there. I hope to cut some good ones today.

The key points were:

1. Lower the wire temp. I was cutting at 5 1/2 on my power supply dial. I find it can still make the cut at a setting of 4 1/2.

2. Make the blank wider. With the blank 1/2" wider, I can trim off the part with holes and get a nice clean TE.

3. Make the tip template slightly larger. I went to 12% thickness vs. 10%.

4. Keep the wire very clean. A fair amount of "slag" remains on it after each cut, and I have been scraping it off with an old #11 blade.

5. Get the geometry of the cutter right and use the gravity drop arm. I was having trouble with this and had switched to pulling by hand, but I would always get waves in the cut. The gravity arm makes a wave-free cut. (This is the part I still have to completely work out.)

Thanks everyone!


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