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Wednesday, November 20, 2024

Introducing The Maus Prototype

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I'd like to introduce you to the Micron Accurate Universal System, or "Maus" Prototype. Rather than a monolithic enclosed prin...

XY Stage backlash at 8 microns

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Just ran up some tests with a calibrated slide on the XY platform. Supposedly identical motors and drivers on both stages. The X axis is run...
Saturday, November 16, 2024

XY Table flexure drive from condensed Metriccano

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I made some Metriccano tabs joined by 50mm flexures and couple of spacer plates that allow me to connect the X & Y drivers to the XY tab...
Thursday, November 14, 2024

When you have a hammer... Metriccano XY flexure table

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I don't quite know what size or shape XY table I need. Rather than print lots of them, I've built a set of flexures for Metriccano, ...

New anti-backlash and coupling

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As "Titch" is out of action, I've put together a new stage driver with anti-backlash on it. It checks out to 10μm as near as I...
Tuesday, November 12, 2024

OpenFlexure Y axis wear

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The Y axis failed during a probe test (yes, the Z axis has a probe fitted, kinda). After a bit of poking around, I found the Y axis drive sc...

Mod. 6 Z axis built

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Big update. Don't ask about Mod. 5, I got my maths wrong ok? As you can see, Alpha Prototype Mod. 6 Z Axis is much shorter than previous...
Sunday, November 10, 2024

Mod. 4 Fails

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The Mod. 4 axis was a multiple fail. Its improvements were good, there just weren't enough. Actual frame rigidity was not good. The NEMA...
Saturday, November 09, 2024

Mod. 3 Kersnapped

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Assembling Mod. 3 was difficult as the exact length of the motor shaft and placement of the bearing lock nuts is crucial - and they're r...
Friday, November 08, 2024

"Metriccano" And the Alpha Prototype Mod. 3

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Last century the rapid prototyping tool of choice was a metal child's consruction set of bolt together girders, straps, and gears etc. c...