$500.00
The Clark Sphere Turning Jig is of heavy duty construction in order to be able to make spheres on 12″ to 24+” swing lathes.
Basic System
Included with 12″ holder Bar, 3/4″ tool holder with 1/4″ HSS cutter. Clark Deep Hollowing System holders, cutters and hollowing bars are compatible. Your tool will be one color of your choice except for the aluminum components.
Adjustment
The Bar is moved in and out coarsely by sliding it (fixed in place by a setscrew) or finely through a lead screw (depicted without threads) in the lower photo. The screw can be turned by hand for slow adjustment or with a drill motor for fast adjusting.
Attachment
The jig attaches to the lathe bed through a pair of large thrust bearings not pictured. It pivots around these bearings to create the sphere. An attachment plate is needed that fits the gap of your lathe.
Lathe Height
The height of the cutter is finely adjustable to match your lathe spindle height. The center sleeve can be changed so the jig can be used on different sized lathes from 16″ swing up.
Maximum Sphere Diameter
Diameter of possible spheres vary from very small up to 3″ under the maximum capacity of the lathe. Thus on a 24″ swing lathe you could cut a 21″ diameter sphere.
The basic system includes a 12″ bar with a 0.75-inch diameter hole, a 3/4″ tool holder with a 1/4″ HSS cutter, an attachment plate, and a screw with a sleeve to attach to your lathe. Optional adapters are available to accept 5/8 and 1/2 inch holders so any cutter on the market can be used. We offer various cutters and holders as well for wood or resin.
Yes, you can customize it by choosing the color, size to fit your lathes and lathe gap. It is very adaptable for different cutters to fit your specific needs.
The jig can turn spheres up to 3 inches smaller than the maximum capacity of your lathe. For example, on a 24-inch swing lathe, you can turn a sphere up to 21 inches in diameter. HOWEVER this jig can do very small spheres without effort.
