MY cnc router build status and current developments

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MY cnc router build status and current developments

Overview

Learning CNC for home shop is my mission. I decided to get involved in CNC controlled machines 10 years ago. I chose to build my own CNC router using the Mechmate blueprint.

Parts

Motors

  • Anaheim Automation 34Y006S-LW8 Single Shaft NEMA 34 Stepper Motor

- Purchased from Amazon for $37.71 - Factory site price: $150

Drivers

  • 203V DIGITAL STEP DRIVE

- Bulletproof, good value - [Gecko Drive](https://www.geckodrive.com/g203v-digital-step-drive.html)

Breakout Board

  • AXBB-E Ethernet Motion Controller and Breakout Board Combined

- Not American-made but not Chinese junk - [CNC Drive](http://www.cncdrive.com/products.html)

Software

  • Win10
  • UCCNC

Steps

1. Design using a CAD program like V-Carve. 2. Save design using a conversion post processor for UCCNC. 3. Connect computer to breakout board running UCCNC. 4. Turn on machine and select run.

Notes

  • The build does not have encoders, and the drivers and control board do not have encoder inputs.
  • The design and systems used are basic: cut steel frame, create rails from angle, purchase rollers, rack and pinion, and laser-cut steel for the carriage.
  • Motors do not know their position; they follow step instructions.
  • Y-axis uses two motors running the main gantry, easily locked together in software.

Problem

Running dual servos with encoders and a Dynomotion KFLOP controller was attempted but found to be nearly impossible to master/slave effectively.

Solution

Switched to stepper motors and a more straightforward setup.

Summary

The Mechmate build is a basic stepper setup. It does not have encoders, and the motors follow step instructions. The design is simple and uses readily available components.

Key Points

  • The build uses American-made components except for the spindle (POS) and controller (European).
  • The software setup is with Win10 and UCCNC.
  • The motors are NEMA 34 steppers from Anaheim Automation.
  • The driver is the 203V DIGITAL STEP DRIVE from Gecko Drive.
  • The breakout board is the AXBB-E from CNC Drive.
  • The setup is basic and intended for learning and production.

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