You can also glue extensions into the ends of your dowel. Thanks for the tip and the detailed description! To be on wooden oak dowel rods github safe side I installed an emergency cut-off switch into the 24V power supply line to the CNC shield. My wife thinks my work is spiraling out of control Attachments head stock plate. This can also add to the strength of dowwel spiral as the different woods have different grain orientation.

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Company reserves the right to publish Claimant information on the site in place of disabled content. Remember you must use a spiral blade! Apply light tension to the blade. Turn on the scroll saw at low speed and slowly adjust the tension. You are ready to cut a spiral. You'll need to experiment to find the best scroll saw speed with minimal vibration.

On my DeWalt saw I use a setting of 6 to 8. Adjust the speed during the cut to minimize vibration. You will also need to experiment with the 'feed rate' in your program GRBL command F to achieve a smooth cut.

A good slow start is F A smooth mm or 12" long cut thru a thick dowel may take 45 minutes or more to complete. It all depends on the wood species, the diameter of the dowel, the kerf of the spiral blade, the scroll saw speed, and the offset from the dowel center axis. Go slow! Any F settings lower than that will have no further effect on the actual feed rate. Double-check that the scroll saw is running! To start the cut enter the x and y settings into the UGS program console, i. This will cut a mm long spiral with a total of 7 turns.

See calibration in Step 7. The picture shows the result on a square maple dowel. It took 52 minutes to cut, blade tension was 3, scroll saw speed 6. It separated beautifully after removing the ends.

The YouTube video in the introduction shows the process for this spiral. Be sure to know the upper limit for the x-axis i. Watch out that you don't run the sled into the end of the linear actuator, or that the V-slot extrusion on the plywood sled doesn't run into the scroll saw.

Don't cut all the way past the tip of the screw at end of the dowel, you will break the blade! Watch the progress to make sure that things go well, the blade doesn't break, the cut doesn't wander, and the C-clamps don't rattle loose. Adjust the scroll saw speed if you get resonant vibrations, typically once you approach Wooden Oak Dowel Rods Jacket the middle of the cut.

You can also use soft cloth rags under the dowel to dampen vibrations. When finished remove the scroll saw blade and unmount the dowel. Cut off both ends to 'free' the two interlocking spirals. Check that the two spirals unscrew easily. With a new blade and a slow cut I find that most of the time I don't need to do any finish sanding.

If you want to have more than two interlocking spirals from the same dowel make the first cut like above, but don't unmount the dowel. Be sure to use the same x and y settings as in the first cut.

The result will be four interlocking - nested - spirals, pretty incredible! Again, I have included some pictures to illustrate. Another variation is to offset the cut from the centerline of the dowel. You will get two interlocking spirals of different "width". You can also glue extensions into the ends of your dowel.

Then make one off-center cut, unmount the dowel, remove the first spiral, remount the center piece, and make a new cut at 90, , or degrees. Repeat, and you will end up with several outside spirals and a cool looking center piece. Lastly, cut the centerpiece along its center axis. Tilting the scroll saw table will give you yet another interesting variation.

You may end up with an 'exterior' and an 'interior' fully enclosed spiral if the lower cut line matches the upper cut. Make some dowels from different woods glued together to create interesting patterns. This can also add to the strength of the spiral as the different woods have different grain orientation. Prepare a dowel spindle on a wood lathe, with coves, beads, vees, and straight grooves; then cut your spirals from that spindle. This was exquisite. I will only make one slightly smart aleck comment You can only dampen vibration if you use wet rags Well done.

Reply 17 hours ago. Reply 2 days ago. Reply 3 days ago. Can you please post the length of the linear actuator that you bought, I am guessing mm but want to be sure Thanks for the amazing design. Thanks for your interest. You can go a little shorter for cutting shorter spirals. You'll need about 2 times spiral length e. This gives you about 50mm clearance on both ends of the actuator from min to max position.

Its long, but reasonably well balanced on my scroll saw table. OpenBuilds sells standard mm, mm, and mm C-Beam actuators. I had a lot of fun building this jig! At the start of your article you say "So I have decided to rebuild my spiral cutting jig in a more professional way and show you my new version using standard CNC parts and technology.

I would like to see or be referenced to that Please. This is really cool! I will try it! Thanks for the tip and the detailed description! Reply 7 days ago. Thanks, you are welcome. Its been 4 years, hard to believe. Let me know if you decide to build it. I might add it wasn't cheap when you add it all up; but it sure was fun to build and nice to have.

Introduction: Incredible Wooden Spirals. By rschoenm Follow. More by the author:. Attachments C-Beam gantry plate spacer. Make four mounting plates for the headstock and tailstock assemblies.

Attachments head stock plate. Attachments motor drive gear. Attachments mounting clamp plate. For smaller dowels I use a 2 spiral blade with a kerf of 0. For larger dowels I use a 4 spiral blade with a kerf of 0. I recommend to replace blades after one or at most two cuts.

Acrylic rod spirals Dremel rotary tool or router attachment for making round dowels and spindles, and thread cutting Hot wire foam cutting rods, spirals, spindles Rotary laser engraving with diode laser Stay tuned! This is an entry in the Woodworking Contest View Contest. Did you make this project? Share it with us! I Made It! Reply Upvote.

ThetaCreative 2 days ago. Hubbard Dave 2 days ago on Step 1. GansoBR 3 days ago. Wonderful job! People like you keep the world moving! Thanks for your encouragemnet! My wife thinks my work is spiraling out of control GansoBR rschoenm Reply 3 days ago. Asray Gopa 7 days ago.

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