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5th November 2022, 08:40 PM #1Most Valued Member
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- Aug 2015
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Turning a radius/ball, without an attachment?
I don't have a "ball turning attachment." Neither do any of my factory neighbours. I wanted to turn a radius on the end of some rods:
IMG_3494.jpg
Time to try a trick with the compound slide...
- Remove my quick change tool holder, and install the original "lantern" tool holder.
- Set a HSS tool back as close to the lantern as possible.
- Wind the compound all the way back.
- Loosen both compound locking screws.
- Rotate the compound around to get it the furthest from the rod's face.
- Wind the cross slide and saddle so that puts the tool in the middle of the rod's face.
- Move saddle a bit away from the rod, turn lathe spindle on.
- Pull the compound toward you, from the centre of the end of the rod, to its outside edge:
IMG_3495.jpg
This seems to give about a 3/4" radius:
IMG_3496.jpg
Good enough for me.
I did the first one as shallow cuts, repositioning the saddle closer, but I soon got tired of that.
For the others, I locked the saddle, put the stock up against the cutter in the middle of the face, and just pulled the cutter around making a huge shaving.
If you want a smaller radius, wind the compound in closer to the work piece.
Attached Images
- IMG_3495.jpg (205.0 KB)
- IMG_3494.jpg (198.2 KB)
- IMG_3496.jpg (225.0 KB)
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