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I just finished this for a christmas present.

Where were you when I was a kid?

Try here: Search | Brands of the World

Give Gearotic a look: "Gearotic Motion Gear design Software"

I hope they spend some of the money hiring a web designer. What a mess!

Try routing the spindle cable by itself, not bundled in close proximity to any control or stepper cables.

No need to apologize. That's what the zero before the decimal point is for. :D

Here's a DXF copy.

Will one of these work?

steelers Vector Logos, steelers brand logos, steelers eps files, ai, cdr at LogoTypes101.com

... but then, what is?

http://www.brownebagracing.com/pictures/hf_tool_sale.pdf

Here's an inexpensive serial to RS422 adapter

Amazon.com: RS232 To RS422 Converter Adapter: Computers & Accessories

As long as you don't mix 'em!

If you do this make sure the power is off before disconnecting anything or you'll toast your G540.

Here's more info on grounding and bonding:

http://www.homeinspector.org/resources/journals/Intro-Electrical-Grounding.pdf

Your main electrical service is grounded to a gas pipe? Last I heard, that wouldn't meet the national electrical code, not to mention it can't be real safe.

If you're thinking of using a water pipe and have a water meter make sure there's a good, heavy-duty connection around the meter. I've seen cases where the continuity is broken by the meter.

Oh...

Another source for dust control is Harbor Freight. Here's a couple of small units for much less than Granger.

Portable Dust Collector - 13 Gallon

1 HP Mini Dust Collector

Yep. just don't forget to lock the casters before you start routing!

Try changing the A axis for one of the others on the driver board. You might have a bad driver. The TB6560 is known for erratic operation.

Another option to determine max voltage is SQRT (motor's inductance) x 32.

Here's a good source of information on steppers....

A/C in the house and the car. I'm spoiled and I know it, but there's something about being able to sleep at night...

There's also the question of support. Gecko's support can't be beat. Others? Who knows, varies from good to none.

Welcome to one of the best sites on the web. There are several forums with a lot of good build information. Here's just a few:
CNC Wood Router Project Log - CNCzone.com-The Largest Machinist...

And so the roller-coaster ride begins again. I'm looking forward to following you new project. I've learned a lot from you other builds.

Good points. I was thinking of the input, not the output side of the relay. Thanks for the tips from Crydom, too.

Don't worry about it. Solid state relays don't have a coil so there's no possibility of any inductive kick.

Try some other text for your test "Hi" is too symmetric. Use some letters that don't look the same left to right.

As with any finish, I'd try it on a piece of scrap first to check the color.

Love to see a video of it cutting. Must look like a huge mechanical spider crawling over the piece.

We had the same problem in our data center, except it was the door button right next to the unguarded kill switch. We fired the electrician that installed them so close together.

Have you considered a Thien separator? The Thien Cyclone Separator Lid w/ the Thien Cyclone Separator Baffle