Professional 3D printer CNC Kit for arduino, kuman GRBL CNC Shield +UNO R3 Board + RAMPS 1.4 Mechanical Switch Endstop + DRV8825 A4988 GRBL Stepper Motor Driver with heat sink + Nema 17 Stepper Motor

CNC Shield Board:
Latest CNC Shield Version 3.0 for arduino
GRBL 0.9 compatible
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)
Coolant enable
Compatible with A4988 or DRV8825 stepper driver
Runs on 12-36V DC

DRV8825 Stepper Motor Driver:
Stepper motor driver (upgraded from A4988, 2.5 A max current/phase. It’s not arduino official board but it’s compatible with all arduino software and hardware)

Nema 17 Stepper motor Specification:
Model No.:17HD48002H-22B
Step Angle: 1.8 deg.
Holding Torque: 59Ncm(84 oz.in)
Rated Current/phase: 1.7A
Frame Size: 41 x 41mm
Body Length: 47mm
Shaft Diameter: 5mm
Shaft Length: 22mm
Weight: 380g

Mechanical Endstop Connection description:
Red line connect VCC (ramps of +)
black wire connect the GND (ramps of -)
Green Line connect SIGNAL (ramps in s)
Tips: Under normal circumstances, the system must be configured to at least three mechanical switches.
Advantage: Easy to install, the more common used styles
Length of Cable: 70 cm

Package Contents:
1 x CNC Shield Board
1 x Kuman UNO R3 Board
4 x DRV8825 Stepper Motor Driver
4 x Aluminum heatsink w/ 3M tape backing
3 x Nema 17 stepper motor 1.7 A (with bracket and screw)
3 x Nema 17 Stepper Motor Mounting Bracket
12x M3 Screws for bracket of stepper motor
3 x Mechanical Switch Endstop
3 x 3Pin 70cm Cable
1 x 1.5m USB cable for R3 Board

Product Features

  • Latest CH340G CNC Shield expansion board Version 3.0 for Arduino
  • Kuman UNO R3 Board, MCU: ATmega328, USB interface: ATmega16U2 with 1.5m USB Cable
  • 4pcs DRV8825 Stepper Motor Driver with heat sinks
  • 3pcs NEMA-17 Stepper Motor 84 oz.in (59 Ncm) 47mm Body 1.8 degree with mounting Bracket Kit DIY 3D Printer CNC Robot with 3pcs Mounting Bracket and 12 pcs M3 Screws
  • 3pcs Endstop Mechanical Limit Switches for 3D printer RAMPS 1.4 with 3Pin 70cm Cable

Click Here If You Need More Detailed Info…

3 comments

  • Anonymous

    EDIT: 9/25 – I have been talking to Kuman for the past few days, and they are making a solid effort to provide some documentation and software on the product. I found something that said v3.00 was designed for grbl 0.8, and that 0.9 changed the end stop setups – which I suspect is the issue I am running into with those. I’ll update this as I learn more, and after working with Kuman.ORIGINAL: Basically no manual or other documentation from…

  • Anonymous

    The overall quality of the kit is above average, had to difficulties location the instructions on seller web page, wrote to them and got a fast response.I had some issues setting up the system following the instructions but finally made the system work, basically my own mistake but it took a lot of YouTube and google search to competed, so a better instruction would help a lot.Another area for improvement is to used physical stops for the Vref potentiometer is difficult…

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