This time around we are showing what sort of Hollow Spiral Candlestick is actually created utilizing used cutter form shape. This isn’t the how-to tutorial, however may display the cutting processes used on Legacy’s CNC machines.
This project has three turned components, the top, the middle and the bottom. Obviously, the most interesting part is the middle hollow spiral.
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However, the top and bottom are similar in design and even use the same cutters. Each part was programmed using Legacy’s exclusive Conversational CAM turning software. Let’s begin with the top and bottom components. Both blanks are turned round with a 1.25 “Surfacing” cutter.
Notice there is a thin section that was accidentally not turned round. Nevertheless, watch how easy the cutter removes the extra material with a “Plunge Flat Round over” cutter.
This cutter shape is used to turn radii and beaded profiles. After a few radii are turned, a 2 diameter “Barley Twist” profile shapes the main body of the top and bottom components.
Last, a 0.75 “Core Box” cutter turns a contour radius on the ends.
Now lets jump to the fun part, turning the hollow spiral section. Just like the top and bottom components, the blank is turned round. Afterwards, the same 2 “Barley Twist” cutter that was used previously is also used to turn two cutter profiles on either end.
The same cutter then produces a 3 start barley twist between the two profile cuts.
The final tool, a 0.5 “Straight” cutter, will machine the hollowing process by following the same tool paths as the barley twist.
This was programmed to take a 0.125 Of an inch per pass until it reached the center of the blank. To finish this component, 1.0 Diameter round tenons are turned on both ends of the hollow spiral.
Altogether these parts took less than 40 minutes to produce. You can see how powerful cutter profiles can be, especially when combined with Legacy’s exclusive Conversational CAM turning software.
If you would like to participate in live training webinars that teach how projects like these are designed and programmed, you can sign up for Legacy’s 4-week guest pass.
That is all our review today. In future we will update with another woodworking tips and trick for you, our reader. If you still have a few time please check our previous articles like this one: Do Toilet Seat Covers Really Protect You? and this one Old Main Building Renovation Reveals Hidden Secrets.
Thank you so much, see you later.