Author: devamtwiki

Zen Toolworks CNC/Materials

Materials that can be worked on the Zen Toolworks CNC Expanded PVC Preliminary research suggests that it can/should be cut at hi RPM (18000) and IPM (200) with 3/8″ dia. O-flute bits. 18000 x .375 = 6750 So the tool face should be going about 6750 SFM. Practical testing still pending. Acrylic Wood Aluminum

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Zen Toolworks CNC buildup

Started to put together [[Zen Toolworks CNC|Al’s CNC micro-mill]]. Stopped at around step Y-14 on the buildup because the lead screw turns very hard. I am worried the stepper motors will not have the power to overcome it, resulting in too many stalls. [[File:IMG_20110116_164255.jpg|500px|thumbnail|center|The hardest thing was to make a vise to push those bushings …

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Zen Toolworks CNC

Steward: None. We no longer have this at AMT. Asset Number: AMT038 CNC engraving/mill by Zen Toolworks aka Guido Photos Useful info Guido is his nickname and engraving’s his game. Currently, this CNC beast is equipped with a 3mm 30degree V-shape bit, meant for engraving. Other bits can be used up to a shank diameter …

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Bubble Lights

Building lighting effects for an aquatically-themed NYE party in SF. [[File:2010-12-07_21-13-03_593.jpg|thumb|600px|center|Starting with some uneven, scuffed, and out-of-spec scrap polycarbonate tubing aquired cheaply from [http://www.flowtoys.com/ Flow Toys], I found the most efficient size and set up a jig on the [[radial arm saw]].]] [[File:2010-12-07_21-13-14_356.jpg|thumb|600px|center|I screwed some scrap wood directly to the MDF deck of the saw, …

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Raspberry Pi

Overview The AMT Raspbi runs our webcam in the space. Shell scripts /root /root/autoprivacy.sh Script to loop run ‘privacy_button.sh’, which is a shell script that tests the red button connected to the Pi, and if it is pressed, sends a http-request to Dave’s server (somewhere on davr.org) to shut off the webcam for AFAIR 30min. …

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Electronics Workstations

There are three electronics workstations Each workstation has a selection of tools in a tool trug and a soldering station. The pictures for each workstation show the ”ground state”, that is, the state things should be left in when you are finished. Reserving A Workstation Workstations cannot be formally reserved. If you leave a project …

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