Shapeoko: Add a Hardware E-Stop

Weirdest thing. The machine is quite amazing. The software is pretty well thought out. The build is easy. The workflow is smooth. But where’s the E-stop?

There is ABSOLUTELY no way I could put a machine in my classroom without an E-stop, and the Shapeoko does not have one. Either software or hardware. I contacted support to see If I was missing something in software and my email went unanswered. Weird…

But anyway, here’s a good start; a hardware E-stop designed and implemented by tech teacher Jamie Cuyler.

What you need:

The E-stop switch we used was found on Amazon and was wired Normally Closed (N.C.) and we followed the directions that came with the switch. We found a diagram here that matched what we did:

Below is a collage of pictures for our set up and is pretty self explanatory. We plug the router AND the controller into the E-Stop box so that power is cut to both.

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A CNC machine for $4000? Really?

Thanks Ryan Dennes!  He sent me an email outlining a new CNC machine that will cut everything up to and including aluminum, for only $4000. The post for it is already baked right into HSM too, so you should be able to send code for it right out of Inventor! It’s called the Pocket NC.

I am NOT saying go rogue and buy one… do NOT say “well Chris and Jim said…”. I have not even seen one in action yet, except for a few Youtube videos. Just saying that if you had an extra $4k kicking around and you know a bit about CNC, this machine may do all we need it to to make projects for CIM. Oh… and it has a fifth axis to boot!  Just let us know how it works out for you.

Here are a few Q & A’s from their FAQ:

How much does the Pocket NC cost?

A Pocket NC costs 4000USD plus shipping.

 

What materials can you cut with the Pocket NC?

The Pocket NC can cut wax, plastic, wood, and aluminum.  Basically any materials with hardnesses up to that of aluminum.

What size parts can you make with the Pocket NC?

The travel of the Pocket NC is 4.3 inches (109 mm) in X, 5.0 inches (127 mm) in Y, and 3.5 inches (89 mm) in Z.  How your part fits in this envelope is highly dependent on your setup.

What kind of software will I need to run the Pocket NC?

We are partnering with Autodesk to offer a one-year commercial subscription to Autodesk® Fusion 360™ with each of our machines.  After the one-year period is over, Fusion 360 is free for enthusiasts, hobbyists, and startups and is compatible with Windows and OSx.  You may also use whatever CAD/CAM software you would like, we would be happy to help facilitate the generation of a post processor for our machine.

Are you going to make a machine with a larger work area?

We do plan to design a machine with a larger work area, however it is still a couple of years from being released.

You can go and see more videos at their Youtube channel here: https://www.youtube.com/channel/UC1zXa_8xzMDIdP2k90cYflA

 

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HOW DO I GET RID OF A SNIPE IN VERIFY?

Question:

Every time I verify my code in CNCMotion, a little snipe appears as if the tool is ramping into the part. It doesn’t do this when I run the program… What’s up?

Answer:

Well that’s an easy fix! Watch below!

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