Monthly Archives: October 2010

First engraving!

I was able to spend another hour and a half tonight on the project and I’ve made my first engraving! Yes you read that right. After 8 days of working on the project, with a full time job and kids … Continue reading

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ESTOP relays fried

I found out this morning what was wrong with the ESTOP relays, they were fried 🙂 I could have sworn they were good for up to 500mA, with the steppers taking about 100mA… Lesson learned get a good relay!

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Success!!! Both the X and Y axis are moving

Good news guys. The with the new PCB and the correct IO address for the parallel port I now have the table and the X axis responding!! I put together a very simple G-code file and recorded the result! N100 … Continue reading

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Laser530 Interface PCB

(EDIT: Revision 2 is available here) Alright, after trying to bread board the interface between the parallel port and the various bits on the CNC machine I decided to put a board together real quick. I’ve used the well known … Continue reading

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The steppers are alive!

Alright, the stepper drivers came in. As you can see in the videos below I am able to drive both steppers successfully. They use about 150mA when running at about 500Hz. As you can see I’m using an Arduino Pro … Continue reading

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Computer Setup

So I had this old Gateway machine sitting here. It’s a hand-me-down from my wife. It has it’s issues but appears to be working okay with a new Ubuntu 10.04 install. EMC2 installed surprisingly easy. I was settling in for … Continue reading

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Putting it together

Alright, the bridge mount glue has dried overnight and it’s time to put it all together! My daughter was quite curious as to what those gears do. She was delighted to find she could move the table and the laser … Continue reading

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Bridge mounts and table guides

Good news! The base turned out nice and straight so the 1×1″ pieces of wood glued to the bottom did the trick. Tonight I worked on the guides for the table, ensuring it moves along only one axis. In the … Continue reading

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Laser Safety – Labels

Of course it’s always good to label stuff you make especially if it could potentially hurt someone. So surf on over to safelasers.org and make yourself a proper label. http://www.safelasers.org/index.php

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NewEgg is FAST

Well how about that. Ordered yesterday, arrived today. This was shipped from within CA so that helps 🙂 The connection with the CNC laser cutter will be made through a parallel port. (Wow that takes me back a few years) … Continue reading

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