3020 CNC Router Engraver Good for SuperCamXp Control
Common 3020 Chinese Router Engraver with parallel interface.
Notes
Engraving Area 300 mm by 200 mm
Z Axis stroke 45 mm
There are No Limit or Homing Switches
NEMA 23 Size Stepper Motors Driving Lead Screws
800 Steps per Millimeter lead screws on X, Y and Z axis.
0.00125 millimeter per step
0.00004921259 inch per step which is aproximately 50 millions of an inch
X Step Pulse on pin 2, X Direction on Pin 3
Y Step Pulse on pin 4, Y Direction on Pin 5
Z Step Pulse on pin 6, Z Direction on Pin 7
Emergency Stop sense is on pin 15 and Active Low

The PWM speed controller for the Spindle motor had gone bad and that is what brought this machine to me.

Ultimately we wired around the speed control and as it was used for engraving this did not pose a problem.

The step sizes are a little smaller than the Taig Micro Mill which has one turn equals 0.050 inch of movment.

The Router Engraver moves one(1) millimeter per turn of each lead screw which is .03937 inch per revolution.



Common 3020 Chinese Router Engraver with parallel interface

Common 3020 Chinese Router Engraver with parallel interface

Common 3020 Chinese Router Engraver with parallel interface

Front panel on the Motor Controller that came with the 3020 Router Engraver.

This is the Mach3 Configuration showing the step and direction signal pins on the Parallel Port connector.
X Step on pin 2, X Direction on Pin 3
Y Step on pin 4, Y Direction on Pin 5
Z Step on pin 6, Z Direction on Pin 7
A axis is not present but it is shown
A Step on pin 8, A Direction on Pin 9

This is the Mach3 configuration screen for the Emergency Stop sense and it shows that parallel port pin 15 is used and Active Low.
Part# USB-ArmPod-Brd   ArmPod Board Assembled and tested. It is a USB to Parallel Port Type Connector for XYZ Three Axis Motor Indexer for Generating Step and Direction Signals for Motor Drivers and Relay Control signals. Programable Signal Pin Assignments. Comes with SuperCamXp Machine Control Program, Windows Xp, Windows 7 and Vista Compatible CNC Machine Tool Motor Control. CAD Graphical User Interface Alternative to Mach3.   Weight: 3 lbs........$295.00

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Published 7/17/2017 11:25:43 AM
Copyright 2016 Dennis Bohlke