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G-code, Axes, Planes and the E-3 CNC

Everyone who owns or is thinking about buying an E3 CNC Router/Engraver from BobsCNC will need to develop a basic und...

Connecting and Homing the E3 CNC Router

Hi Guys,     Pretty much anything you do is an acquired skill.  The same thing is true of learning to run your E3 CNC...

Recommended Software for the E-3 Router

  Hello Again, So, you assembled your E3.  It’s beautiful isn’t it?  But if all it does is set in your shop it's all ...

Clearing the EEPROM for the E3 CNC controller

In this instruction, we will walk thru the steps we use to erase the EPPROM to prepare to reflash the E3 CNC router. ...

Uploading  Grbl 1.1e on the E3 CNC router

This is a simplified instruction to help upload Grbl 1.1e on the E3 CNC router. We recommend you clear the EEPROM for...

Uploading  Grbl 9i on the E3 CNC router

This is a simplified instruction to help upload Grbl 9i on the E3 CNC router. We recommend you clear the EEPROM form ...

The cost of running CNC machines

Anyone who knows me, knows I love machines that move. CNC machines have become my passion. I have built several rout...

The 3D Printing Software we use at BobCNC

One question that comes up fairly often is: Where do you get your models? First for the newbies to 3D printing, the ...

The stepper motor for CNC machines

When I was a young boy I would make airplanes and trucks with dc electric motors I got from my toys or dad’s shop. ...

The making of the 3D Printer extruder

The RP9 is getting a new extruder. The current extruder works well, and I have been very pleased with its performance...

Backlash… what is it and what can we do to minimize it?

For a CNC router lead screw, backlash is the axial movement of the nut. If you take a nut and thread it onto a rod yo...
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