Fab Academy at AS220 Labs

11 machine design

July 27, 2010 1:05 PM

Mantis Hardware / Software Trial Run

by Anna Kaziunas France

After we put the spindle together - Shawn and I tested the Mantis to see if it would respond to commands. It looks like Fab Academy AS220 (with a huge effort on Noah’s part) put machine together properly.

The Mantis responded to the following commands (see screenshots) and responded well. The next step is to figure out how to feed an .rml file into the software. (in progress). After that we need to mill a board on the Mantis and see how it turns out.

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July 27, 2010 10:59 AM

Spindle Assembly - Mantis Milling Machine

by Anna Kaziunas France

mantis spindlemantis spindle

The Assignment

  • Make a machine (group project)
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April 27, 2010 8:31 PM

The Mantis

by Shawn Wallace

Mantis1.jpg

The Mantis, built from a kit designed by David Carr as part of the Machines That Make project.

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Thumbnail image for mantisElectronics.jpg

Boards for the Fab Net controller and drivers designed by Ilan Moyer.

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April 26, 2010 10:09 PM

Machine button interface

by Shawn Wallace

machineButtonInterface.jpg

Here's a little board that can be used as a button interface to a three axis machine (X+/X-, Y+/Y-, Z-up, Z-down). It is implemented as a voltage divider, so the various button presses can be read on a single analog input pin. Here's the schematic:

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April 16, 2010 9:50 PM

Super simple bootstrap 3-axis controller

by Shawn Wallace

SuperSimple2Axis1.jpg

This is the first variant of the "Fabian" board that I made; it is the simplest controller for three unipolar stepper motors you can imagine. I thought this might be useful for someone who is building a bootstrap machine with handtools. This board could be used as a controller to mill a better controller, which could then be used to mill out the final parts. Arduino-compatability means there are a lot of people out there who can program it. The firmware is a simple HPGL parser and moveto function.

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