AluminumArts
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Aluminum, that common metal, did you know, aluminum is one of the shiniest metals in the world?
06/08/2018
CMM'ed the parts! We used a coordinate measuring machine (CMM) to accurately measure the diameter of the 5 parts, and here are the results. The average error (Ra) is only 0.4 micron!
05/29/2018
Custom made carbide parts for our tool setter came!
These are used as thr tool datum disk - the part that the end mill touches. They are made from carbide so that they don't scratch.
04/11/2018
The results of some machine learning. The audio data gets compressed into 2 dimensions, which is then plotted. Each point is an instance in time. The red points are good cuts, and the blue points are bad cuts. Basically, we trained a neural net to identify chatter!
03/22/2018
Our machine is a rockstar!
Jokes aside, we are recording some audio from the machine. We are going to use this audio to classify different types of cuts using machine learning. Training a machine to yell at me when I make poor feeds and speeds selection :P
03/17/2018
Bandsaw fun.
We noticed the downside to the bandsaw is that the clamp won't work on short peices. So I had to get creative with how to hold this short aluminum piece. I used parallel bars and another piece of stock on the other end, worked like a charm!
Made a tilt plate for mounting the touch off plate. Unfortunately it doesn't work as well as we hoped. The springs are not enough to return the plate to the exact location every time. There is also a clearance fit between the bolts and the plate, which introduces some wobble.
Back to the drawing board!
03/03/2018
Movable tool chest for the workshop! Pro tip: you can use kitchen drawer liner to keep the tools from rolling around. Now all of the clutter is hidden away in drawer!
Automation for the win!
Air flow now controlled via LinuxCNC! The vortex tube is hooked up to a solenoid, which is connected to the MESA card. Now it turns on and off when the code starts and stops!
Testing the vortex tube! We used an infrared thermometer to see the temperature difference. With 20 psi of air, the hot side was 30 C and the cold side was 6 C. Pretty effective!
02/11/2018
Using a work stop as a holder for multi meter probes! When you need an extra pair of hands but only have a work stop lying around :D
02/03/2018
Our strain gauges under a microscope ! There are 2 gauges (between the wires). The element contains a gauge that is sensitive to vertical strain (left side), and horizontal strain (right side). With 4 gauges (2 pictured), we make a full bridge strain sensor.
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