Lathe Mounted Disc Sander

Lathe SandingSanding machines are common in most woodworking shops. I have thought about getting a disc sander for my garage/workshop but I don’t have the space for a dedicated machine and – never having owned one – am not sure how much use it would get, making it doubly hard to justify.

Recently I was looking at my lathe and the penny dropped that this is a horizontal motor to which you can attach stuff that rotates. I had the basis of the disc sander staring me in the face.

Continue reading “Lathe Mounted Disc Sander”

Finding Zero

Finding_ZeroAnyone who uses a CNC machine eventually realizes the importance of the Zero point. This usually happens when something goes wrong during a machining cycle, the machine needs to be reset and the current zero is lost. Fruitlessly searching for a lost zero prompted me to develop a repeatable process for finding the same zero time after time. Here’s how I do it.

Continue reading “Finding Zero”

Big Button Remote Control – Part 4 – Completion

Umote Completed 2With all the preparations completed, Umote can finally take shape for this application. The final product can be broken down into four major subsystems that need to be made and integrated in their final form – IR interface hardware, Enclosure, Power Supply, and Switches and Control Wiring.

Continue reading “Big Button Remote Control – Part 4 – Completion”

Haberdasher’s Puzzle

Haberdasher puzzle squareThe Haberdasher’s puzzle is a simple 4 piece puzzle whose parts can be assembled into a square or an equilateral triangle. Solving the puzzle is easy, but for me the beauty is in the geometric dissection used to make the parts.

A long time ago I made one of these using a ruler and compass. Now I have a CNC, I was interested to see how well a CAD drawn and machine cut set could fit together.

Continue reading “Haberdasher’s Puzzle”