Tag Archives: DIY

LNG1 as a Parallel Kinematics Machine

Posted on July 14, 2014 by nefastor

For some time I’ve been wanting to build a parallel kinematics machine tool and I’ve done my homework, but nothing replaces getting your hands dirty. LNG1 is coming along slowly but its dual-drive X axis has been operational for some … Continue reading →

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Servo Calibration Mystery

Posted on June 27, 2014 by nefastor

Hello everyone, Since my last post I’ve modified Mill #2 to reinstall its old, shorter X axis so I could repair the damaged ballscrew on the new X axis but also, more immediately, so I could proceed with calibrating my … Continue reading →

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LNG1 AC Servo Speed Test

Posted on June 15, 2014 by nefastor

Following yesterday’s failure I just couldn’t let it rest, so I burned the midnight oil. I did extensive research on the internals on ballscrews. Then removed the servo from Mill #2B and then tried to turn the ballscrew by hand. … Continue reading →

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Sticky Ballscrew Trouble

Posted on June 13, 2014 by nefastor

Well, everything can’t always go perfectly. In my last post I demonstrated that my DIY CNC milling machine, upgraded with a 10mm-lead ballscrew and a 600W AC servo, could pull off linear speeds of 20 meters per minute. While that … Continue reading →

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New Vises For M2B

Posted on May 5, 2014 by nefastor

Hello, it’s been a while ! The other day I found this interesting interview of Adam Savage, of Mythbusters fame. He’s a far more eloquent man than I am, so I’ll let him explain why he (and I, and people … Continue reading →

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LNG1 First Test Under Power

Posted on November 8, 2013 by nefastor

I like it when a plan comes together… 😀 A few days ago I introduced my prototype of a fully-integrated CNC machine tool controller based on a Pico-ITX mainboard running Windows or Linux. Since it is ready to go, all … Continue reading →

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LNG1 Nearly Ready For First Moves

Posted on November 7, 2013 by nefastor

So here it is… today I’ve machined the slides and motor mounts for the long axis of LNG1, and then I’ve assembled everything. It now looks like this : The stepper motors may look small for such a machine, but … Continue reading →

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LNG1 Assembly Progress

Posted on November 5, 2013 by nefastor

Yesterday I received a massive amount of the special sliding nuts for the slotted extrusion I use to make LNG1 : 700 nuts ! And each one has a bolt with its name on it. Straight out of the box … Continue reading →

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Antique CNC Back From The Dead

Posted on November 5, 2013 by nefastor

Last week-end I’ve had the pleasure to lend my skills to a Parisian hackerspace in its plan to add physical hacking to its activities. The /tmp/lab (a Linux-head haven as you can guess from the name) inherited an ancient CNC … Continue reading →

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CNC Electronics Integration

Posted on November 2, 2013 by nefastor

Hello there ! Today I’ve started working on the electronics package upgrade for Mill #2, which will also be the electronics package for LNG1. A typical DIY CNC electronics package regroups : A computer (Windows or Linux PC) A motion … Continue reading →

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