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Turn A Perfect Wood Sphere Or Ball – No Expensive Jig

One project during a week long woodturning class a few years ago was a wood ball using a jamb chuck. I failed miserably to get the ball smooth. It ended up very rough and out of round. With this failure, I feared being able to make a good ball.
Since then, I’ve looked for a jig or a process to turn a perfect ball or sphere. I doubted I could do it myself. I looked at commercial jigs – expensive and plans for DIY jigs – difficult to make and potentially inaccurate.
More recently, I watch Dale Larson and Alan Lacer both turn perfect balls using only simple faceplates. Now I can do this.
Here’s the process I used:
1. Make two faceplates with small cup centers. I’ll make another video to describe these.
2. Turn a cylinder between centers a little longer than the target diameter of the ball.
3. Measure the cylinder diameter and transfer this to the side of the cylinder.
4. Mark the mid line of the cylinder.
5. Part down outside the end lines leaving only a small tenon on each side of the ball.
6. Round over the cylinder corners into an approximate ball shape.
7. Saw off the two end tenons.
8. Mount the two faceplates to the headstock and tailstock
9. Mount the ball between the two faceplates with the axis rotated 90 degrees. The mid line now runs across the ball from one faceplate to the other.
10. Carefully cut and/or scrape the ball to eliminate the ghost image on the back side of the ball as it rotates, making sure to leave the pencil line running from side to side.
11. Draw a new mid line.
12. Rotate the ball so that the new mid line runs from faceplate to faceplate.
13. Repeat step 10.
14. If I’ve cut too deeply, repeat steps 10 thru 12 until the ball is perfectly round.
15. Sand repeating steps 10 thru 12 using sandpaper instead of a cutting tool for each grit
16. Apply finish (I used beeswax and mineral oil) repeating steps 10 thru 12 using finish.
After a couple of balls, I could make another ball in very little time.
Success – my ball turning phobia is gone.
My next video will describe the faceplates for turning wood balls.
Another video will take the process to a new extreme.
Enter your email at http:// & I’ll let you know when the next woodturning project video is ready.
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