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Kuman Arduino 3D Printer CNC Kit KB02

GRBL Shield+UNO Board+RAMPS 1.4 Mechanical Switch Endstop+DRV8825 A4988 GRBL Stepper Motor+Nema17 Stepper Motor
Item Code: KB02
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  • Description
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 Specifications:
● Model No.:17HD48002H-22B
● Step Angle: 1.8 deg.
● Holding Torque: 59Ncm(84
● 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
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