3dof Industrial Robotic arm Manipulator Robot Arm 3 Axis with Full Metal Frame for Writing, Laser engraving, 3D Printer

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  • This arm is from DOIT company, which is make by CNC with aluminum and high precision. Now we have developed many examples, such as, engraving, writing, 3D printer, and seizing, recognizing. Moreover, This arm is already used many small factory to replace people for the repeat operations.

Documents: https://github.com/SmartArduino/SZDOITWiKi/wiki/Robotics-3dofRobotArm


  • Thickening of the arm material to eliminate the deformation caused by processing and improve the overall strength and accuracy, the maximum radius of gyration arm 400mm

  • Base rotating motor installation is no longer affected by the length of the motor, you can install a motor of any length size.

  • Manipulators can be mounted directly to higher-precision inductive proximity switches and angle sensors.

  • End supporting the installation of 3D print head, suction cup, gas chuck, servo, pen holder and so on.

  • Control system has supporting PC software, control is simple and convenient.

Parameters of stepper motor:

  • Ration: 1:50

  • Length: 41mm

  • Rated laod: 3.5Nm

  • Max load: 6Nm

  • Efficiency: 96%

  • Back lash: <=15arcmin

  • Weight: 0.4

  • woring voltage: 12-36DCV, suggested working voltage: 24DCV

  • Wire connection: black   --》A+; green--》A-; red--》B+; blue---》B-


  • 3D printer;

  • writing;

  • laser engraving;

  • seizing in factory;

  • repeat operations in factory;

  • teaching;

  • recognizing;

  • ......


Package Included:

  • Robotic Arm chassis: 1set

  • Stepper motor: 3pcs

  • power supply: 1pcs

  • controller: 1set


3D Printer RAMPS 1.4 Control Board:

MEGA2560 R3:

Stepper Driver:


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