CNC V3 DRIVER SHIELD

1100110

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به کمک این شیلد و شیلد ال سی دی و بورد آردوینو می توانید CNC سه محوره یا پرینتر سه بعدی بسازید

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این شیلد از بردهای توسعه ی آردوینو می باشد و به راحتی به بورد ARDUINO UNO سوار می شود. به کمک این شیلد و شیلد ال سی دی و بورد آردوینو می توانید CNC سه محوره یا پرینتر سه بعدی بسازید. ماژول های راه اندازی استپ موتور روی این شیلد سوار می شوند و به این طریق برد آردوینو قادر به کنترل موتورها خواهد بود.

ویژگی ها:

  • ولتاژ کاری: 12 تا 36 ولت
  • ماژول های استپ درایو سازگار: A4988, DRV8825
  • پشتیبانی از 4 محور

 



Features

Latest Arduino CNC Shield V3
GRBL 0.8c compatible. (Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals)
4-Axis support (X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
2 x End stops for each axis (6 in total)
Spindle enable and direction
Coolant enable

Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825 and others)
Jumpers to set the Micro-Stepping for the stepper drivers. Some drivers like the DRV8825 can do up to 1/32 micro-stepping 

.Compact design

.Stepper Motors can be connected with 4 pin molex connectors or soldered in place
Runs on 12-36V DC. At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider theoperation voltage when powering the board

.Please note that this is an unassembled kit and needs soldering

NOTE

For Grbl v0.9 with variable spindle PWM ENABLED: The Z-limit and the spindle enable pin are swapped. Stay uptodateon GRBL’s github website github.com/grbl

All information about cnc shield v3 (Arduino Extension Board) you can find here blog.protoneer.co.nz

Package includes
CNC shield v3


Item Description

100% brand new and high quality
This expansion board as a driver expansion board, can be used for engraving machines, 3D printers.
It is a total of four slots, can drive four A4988 stepper motor. Each road stepper motors only need two IO ports. In other words, six IO ports can be well managed three stepper motors. Very convenient to use.
UNO for Arduino module IO port correspondence introduction.
IO corresponding figure above

UNO for Arduino---------------------- expansion board
8 ------------------------ EN ( stepper motor driver enable , active low
7 ----------------------- Z.DIR -Z -axis direction control
6 ----------------------- Y.DIR -Y -axis direction control
5 ----------------------- X.DIR -X -axis direction control
4 ---------------------- Z.STEP -Z -axis stepper control
3 ---------------------- Y.STEP -Y -axis stepper control
2 ---------------------- X.STEP -X -axis stepper control

/ / The following is a simple stepper motor control procedures,

# define EN 8 / / stepper motor enable , active low
# define X_DIR 5 / / X -axis stepper motor direction control
# define Y_DIR 6 / / y -axis stepper motor direction control
# define Z_DIR 7 / / z axis stepper motor direction control
# define X_STP 2 / / x -axis stepper control
# define Y_STP 3 / / y -axis stepper control
# define Z_STP 4 / / z -axis stepper control
/ *
/ / Function : step . function: to control the direction of the stepper motor , the number of steps .
/ / Parameters : dir direction control , dirPin corresponding stepper motor DIR pin , stepperPin corresponding stepper motor " step " pin , Step number of step of no return value.

* /
void step (boolean dir, byte dirPin, byte stepperPin, int steps)
{
digitalWrite (dirPin, dir);
delay (50);
for (int i = 0; i <steps; i + +) {
digitalWrite (stepperPin, HIGH);
delayMicroseconds (800);
digitalWrite (stepperPin, LOW);
delayMicroseconds (800);
}
}
void setup () {/ / The stepper motor used in the IO pin is set to output
pinMode (X_DIR, OUTPUT); pinMode (X_STP, OUTPUT);
pinMode (Y_DIR, OUTPUT); pinMode (Y_STP, OUTPUT);
pinMode (Z_DIR, OUTPUT); pinMode (Z_STP, OUTPUT);
pinMode (EN, OUTPUT);
digitalWrite (EN, LOW);
}
void loop () {
step (false, X_DIR, X_STP, 200); / / X axis motor reverse 1 ring, the 200 step is a circle.
step (false, Y_DIR, Y_STP, 200); / / y axis motor reverse 1 ring, the 200 step is a circle.
step (false, Z_DIR, Z_STP, 200); / / z axis motor reverse 1 ring, the 200 step is a circle.
delay (1000);
step (true, X_DIR, X_STP, 200); / / X axis motor forward 1 laps, the 200 step is a circle.
step (true, Y_DIR, Y_STP, 200); / / y axis motor forward 1 laps, the 200 step is a circle.
step (true, Z_DIR, Z_STP, 200); / / z axis motor forward 1 laps, the 200 step is a circle.
delay (1000);
}

Note: When inserting the A4988 module, must be careful not to insert opposite. Stepper motor wiring as follows:
2A, 2B is a group (red, green), 1A, 1B is a group (blue, yellow), if want to change direction, can be change the position of one group , for example 2A, 2B mutually exchanged

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