Guidelines for connecting solid-state lasers with the capacity up to 10 watts to CNC devices (DIY, 3D printers, etc.)

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Universal guidelines for connecting lasers

5.6W Endurance Makeblock engraving and cutting machine

Universal guidelines for connecting lasers

8W Endurance DIY engraving and cutting machine

Endurance Makeblock engraving machine is a necessary solution for those who need a big coordinate table 31×39 cm (12×16») with the functions of a plotter and laser cutter/engraver.

  • An excellent solution for home and office.
  • It has a big work area 31×39 cm (12×16»).
  • A practical software – Benbox.
  • An excellent solution for marking and making souvenirs.
  • It works with vector and raster images and G-code.
  • Endurance DIY is a universal solution both for home and small enterprises usage, such as souvenirs engraving and stamps making.

  • An expensive and practical solution for home, office and small workshop.
  • It is a compact table laser engraver with the work area of 20×20 cm (8×8»).
  • It has a great set of software: GRBL, CNCC LaseAxe, Benbox, mDraw.
  • It is easy to operate and doesn’t require any special knowledge or skills.
  • It cuts and engraves practically any materials.

  • Universal guidelines for connecting lasers
    Universal guidelines for connecting lasers

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    Full overview about Endurance lasers and engraving machines

    1. Before using lasers read the «Safety procedures for laser operating»!

    2. Check the number of wires coming out of the laser body. If there are two wires, the laser will turn on immediately after voltage application to these wires. If there are three wires, for the laser activation it is necessary to additionally energize (~ 10V) the third wire (PWM, TTL_S) as well.

    3. Solid-state lasers usually need 12V. Find the 12V output on your CNC device to connect the laser or use an external source of power (a power block, a battery). On 3D printers there are FAN and HOTEND outputs to connect a laser.

    4. Make sure that all the wires feeding the laser are intended for the maximum electric current strength in the wires (you can use the American Wire Gauge system to do so). We recommend the following correspondences:

    4-5A for a 8 W laser

    3-4А for a 5.6 W laser;

    2-3А for a 3.5 W laser;

    1-2А for a 2.1 W laser;

    If the circuit board of your CNC device does not have the current output necessary for the laser operation, use an external power source, handling the power supply with the Endurance MO1 Scheme.

    1. To immediately prevent emergency situations it is desirable to install a red button for the operator to kill power to the laser. For example, this button is pre-installed on the Laser Axe circuit board.

    2. Types of software to manage CNC motors and power or signal application to the laser:

      1. Programs to convert images to GCode-files to use a 3D-printer: InkScape, Cura.

      2. GRBL.

      3. BenBox.

      4. AS-3, AS-4.

      5. Laser Axe CNCC.

      6. Software for NEJE.

    1. FAQ

      1. If there’s no laser beam, check all the connections and buttons.

      2. If the laser beam blinks periodically, measure the current in the laser feed circuit. Is the current strength sufficient to operate the laser?

      3. If the wires of the laser power supply are hot when you touch them, replace them with the wires rated for the laser current.


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