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Omtech LYF-175S User Manual

50w / fiber laser marking machine
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V20241113
LYF-175S | 50W | Fiber
Laser Marking Machine
User Manual
Read Carefully Before Use
Keep for Future Reference

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Summary of Contents for Omtech LYF-175S

  • Page 1 V20241113 LYF-175S | 50W | Fiber Laser Marking Machine User Manual Read Carefully Before Use Keep for Future Reference...
  • Page 2 BEAMING WITH POSSIBILITIES! Thank you for choosing our laser equipment! This fiber laser marking machine is intended for personal and professional use. Read this manual carefully before operation. It covers the details of correct installation, adjustment, maintenance, and—most importantly—safe operation of your new laser. It is intended to be used in conjunction with the manual for its engraving software, as the program not only provides image design but also serves as the main interface for the laser settings and machine controls.

  • Page 3: Help Center

    Welcome to the OMTech Community! For helpful hints and instructional videos, visit our Help Center or join our official laser group! If you encounter any issues with your engraver, please feel free to contact us. Our support team will respond ASAP to resolve your concerns.

  • Page 4: Table Of Contents

    Contents 1 Safety Information .................... 1 Disclaimer ..............................1 Symbol Guide ............................. 2 General Safety Instructions ........................3 1.4 Laser Safety Instructions ......................... 4 Electrical Safety Instructions ........................5 1.6 Material Safety Instructions ........................6 Disposal Safety Instructions ........................8 2 Introduction ......................
  • Page 5 5.2.3 Preparing Your Design ........................ 36 5.2.4 Testing the Engraving Effect..................... 40 5.2.5 Stop and Resume ......................... 41 5.2.6 Engraving ............................41 5.2.7 Finishing-up............................ 42 5.3 Rotary Axis Processing ..........................43 5.3.1 Installing the Rotary Axis ......................43 5.3.2 Instructions for EZCad ........................ 44 5.3.3 Instructions for Lightburn ......................

  • Page 6: Safety Information

    Read this disclaimer completely and carefully before proceeding with the rest of the manual content. As-Is This OMTech product is sold ‘as is’ and without any express or implied warranties, including but not limited to the implied warranties of merchantability and fitness for a particular purpose.

  • Page 7: Symbol Guide

    1.2 Symbol Guide The following symbols are used on this machine’s labeling or in this manual: These items present a risk of serious property damage or personal injury. These items address similarly serious concerns about the laser beam. These items address similarly serious concerns about electrical components. These items address similarly serious concerns about fire hazards.

  • Page 8: General Safety Instructions

    1 Safety Information 1.3 General Safety Instructions • Your engraver should come with instruction labels in the following locations. If any of these labels is missing, illegible, or damaged, it must be replaced. • Use this laser marking device only in accordance with all applicable local and national laws and regulations.

  • Page 9: Laser Safety Instructions

    • DO NOT allow minors, untrained personnel, or personnel suffering from physical or mental impairment that would affect their ability to follow this manual and the software manual to install, operate, maintain, or repair this device. • Any untrained personnel who might be near the device while it is in operation MUST be informed that it is dangerous and fully instructed on how to avoid injury during its use.

  • Page 10: Electrical Safety Instructions

    1 Safety Information • DO NOT use or leave sensitive EMI equipment nearby. Ensure the area around the laser is free of strong electromagnetic interference during any use. • ONLY use this machine as described in the Material Safety section of this manual. The laser settings and engraving process must be properly adjusted for specific materials.

  • Page 11: Material Safety Instructions

    • Adjustment, maintenance, and repair of the electrical components of this device must be done ONLY by trained and skilled professionals to avoid fires and other malfunctions, including potential radiation exposure from damage to the laser components. Because specialized techniques are required for testing the electrical components of this marking system, it is recommended such testing only be done by the manufacturer, seller, or repair service.
  • Page 12 1 Safety Information This machine CANNOT be used with the following materials or with any materials which include them: • Artificial Leather containing Hexavalent Chromium (Cr[VI]), due to its toxic fumes • Astatine, due to its toxic fumes • Beryllium Oxide, due to its toxic fumes •...

  • Page 13: Disposal Safety Instructions

    1.7 Disposal Safety Instructions Electrical products should not be disposed of with household products. In the EU and UK, according to the European Directive 2012/19/EU for the disposal of electrical and electronic equipment and its implementation in national laws, used electrical products must be collected separately and disposed of at the collection points provided for this purpose.

  • Page 14: Introduction

    2 Introduction 2.1 General Information This manual is the designated user guide for the installation, setup, safe operation, and maintenance of your fiber laser marking machine. It is divided into several chapters covering general information, safety instructions, installation steps, operation instructions, maintenance instructions, and contact information.

  • Page 15: Specifications

    2.3 Specifications Model LYS-175S Input Power AC 110–120 (V), 60 Hz Power Consumption 800 W Laser Output Power Range 10–50 (W) Expected Service Life 100,000 hr. Laser Wavelength 1064 nm Pulse Width 200 ns Laser Frequency 1–600 (kHz) Processing Area 6.9×6.9 (in.) 175×175 (mm) Max.

  • Page 16: Package List

    2 Introduction 2.4 Package List...
  • Page 17 Name Main Tower Support Column laser arm Galvo Head Workbed Power Cable USB Cable Foot Switch Monitor Mounting Bracket USB Flash Drive with Ezcad Security Dongle Positioning Bars with Their Bolts A Pair of OD6 Laser Glasses and Their Case Ruler Tape Measure Keys...

  • Page 18: Components

    3 Components 3.1 Main Components...
  • Page 19 These handles can be used to more easily move and reposition the Handles tower when power is disconnected. Never move or adjust the tower during operation. This houses the fiber laser source, the machine’s motors and power Main Tower supplies, and various connections. The high-speed galvanometer scanning head focuses the laser beam to a fine point, directing it to the proper locations on the target material during engraving using internal motorized mirrors.

  • Page 20: Main Tower

    3 Components 3.2 Main Tower This stepper motor controls the automated movement of the laser Lift Motor arm up and down the support column. Rotary Motor Driver This driver helps control attached rotary axes. Galvanometer This device converts standard electricity to the DC voltage needed for the motorized mirrors inside the galvo head.

  • Page 21: Control Panel

    3.3 Control Panel This button immediately cuts all power to the laser in the event of Emergency Stop an emergency. Rotate it up first during startup and push it down last during shutdown. This lock controls power to the motorized mirrors inside the galvo head Galvo on the laser arm.

  • Page 22: Connection Inputs

    3 Components 3.4 Connection Inputs Laser Cable This transmits the laser beam from its source to the collimator in the laser arm. This bracket can be used to enable an optional secondary grounding cable or Grounding the necessary primary grounding cable when well-grounded 3-prong outlets Cable Input are unavailable.

  • Page 23: Control Computer

    3.5 Control Computer View Tool Bar Command Tool Bar Object List Drawing Tools Laser Marking Parameters Laser Marking Controls Object Status Bar Properties This fiber laser marker is controlled by the included EZCad software, which must be installed on a compatible computer to direct the laser.

  • Page 24: Installation

    4 Installation 4.1 Installation Overview A complete working system consists of the fiber laser source, the laser arm with the galvanometer lens, a computer (not included) with engraving software (included), all applicable connection cables, a support column and a worktable. Users can also configure other additional accessories (such as a rotary axis) to suit their needs.

  • Page 25: Electrical Grounding

    4.3 Electrical Grounding • DO NOT use with an ungrounded 3-to-2 prong adapter. The machine’s grounding should be checked regularly for any damage to the line or loose connections. • Poor grounding WILL cause equipment failure and create a serious electrical shock hazard.

  • Page 26: Assembly

    4 Installation 4.4 Assembly Assemble the laser arm onto the support column. a. M ove t h e m o u n t i n g b r a c k e t o f t h e support column to the highest by rotating the height adjustment knob.
  • Page 27 5. Make all the necessary connections between the various components. a. Connect the main power cable from the main power port to the power supply. b. Connect the USB cable from the USB port on the galvo head to the control computer. c.

  • Page 28: Installing The Software

    4 Installation 4.5 Installing the Software 4.5.1 Preparing a Control Computer Prepare a control computer. See the software EZCad manual in the USB for details on the requirements for the control computer. The control computer should not be placed more than 15 feet (4.5 m) away from the laser marking machine to avoid possible interference with the signal in its line.

  • Page 29: Installing The Ezcad Driver

    4.5.2 Installing the EZCad Driver The EZCad driver is included in the provided USB drive. Turn on the laser marking machine and your computer. 2. Ensure that the USB cable is connected to the computer and laser marking machine, and insert the provided USB drive into your computer.
  • Page 30 4 Installation 6. Click the second option Browse my computer for driver software. 7. Click Browse to select a location and then click Ok → Next. The driver should be installed in the same location as the software. The folders “JCZDriverAllInOne” and “LMCV2U_20120331” are for 32-bit installation and the folder “X64AMD_LmcV2u”...
  • Page 31 8. Check the box and click Install. The driver installation should start. 9. After installation, click Close.
  • Page 32 4 Installation 10. Click Close. 11. Make sure that the driver has been installed successfully.

  • Page 33: Running The Ezcad Software

    4.5.3 Running the EZCad Software The EZCad software is included in the provided USB drive. You can use it without installation. Familiarize yourself with your software’s image design features and laser control settings before beginning the operation of the laser marking machine. For instructions, see the EZCad manual in the provided USB drive.

  • Page 34: Configuring Parameters

    4 Installation 4.5.4 Configuring Parameters Click File → System parameter to check and make sure the Workspace settings are the same as that on the picture “File_system Parameter_workspace.jpg” in the USB drive. 2. If the rotary axis is used, click Laser → Rotate TextMark to check and make sure the rotary settings are the same as that on the picture “Laser-Rotate TextMark-param.jpg”...

  • Page 35: Initial Tests

    4.6 Initial Tests 4.6.1 Movement Test Use the height adjustment knob to confirm that the laser arm moves smoothly and easily through its whole range of motion. 2. At the same time, test that there is enough slack in the USB cable to safely move through the laser arm’s entire range of motion, adjusting as needed.
  • Page 36 4 Installation 4. Confirm that the left button on the galvo head activates the two laser focus dots and the right button activates the built-in light. 5. Confirm the UP and DOWN buttons on the tower move the laser head up and down the support column.
  • Page 37 7. Confirm the emergency button works fine. Because of the risk of fire and other hazards during engraving, this machine includes a large and easy-to-reach emergency stop button on its control panel. Press it down to stop the laser instantly. You should test that it works properly before conducting ANY other work with your machine.

  • Page 38: Operation

    5 Operation 5.1 Operation Overview • ALWAYS operate this machine following all the instructions provided herein. Performance of procedures other than those specified herein may result in property damage and personal injury. • DO NOT use this machine for purposes not specified herein. This section will address only some of the options and features provided by the operation software EZCad for your reference.

  • Page 39: Focusing

    3. Turn on the laser marker by activating its power from top to bottom in order: a. Turn the emergency stop button to release it and power the mainboard. b. Turn the GALVO access key to power the Emergency galvo head. Stop Galvo c.
  • Page 40 5 Operation 2. Move the laser arm to its lowest position using the adjustment knob or the DOWN button. 3. Focus the galvo head on your material by pressing the AUTOFOCUS button on the tower. The system will automatically move the laser arm to exactly the right height for you. In some situations, you can also manually focus the laser following one of the two methods (Method 2 yields greater accuracy than Method 1): Method 1: Using the Red Light Guider...

  • Page 41: Preparing Your Design

    Focus Length 5.2.3 Preparing Your Design Make sure the control computer is connected to the machine via the USB cable. If you previously disconnected the control computer, reconnect it via the USB cable now. If your computer is already connected and EZCad is already running, restart it now to establish a connection between the computer and the laser’s control board.
  • Page 42 5 Operation Loading Bitmap Graphics Click to draw a bitmap file. 2. Choose the file folder. 3. Select the file type. 4. Select the picture you want to mark. 5. Open the picture and import the canvas. 6. Set picture parameters. a.
  • Page 43 Loading Vector Graphics Click to draw a vector file. 2. Choose the file folder. 3. Select the file type. 4. Select the image to be marked. 5. Open the image and import the canvas. 6. Set vector graph parameters. a. Select the picture. b.
  • Page 44 5 Operation Creating Text Click the text tool create text. 2. Click the left mouse button on the canvas and “TEXT” appears. 3. Modify the text. 4. Click Apply. The text content entered is displayed in the canvas. 5. Set the text size. 6.

  • Page 45: Testing The Engraving Effect

    Marking Settings • Red(F1): Marks the frame of the object to be marked, with no laser emitted during the process. It is used to indicate the processing area and facilitate locating the workpiece. This function is available on models with a red light guider. Pressing F1 on the keyboard to activates this function.

  • Page 46: Stop And Resume

    5 Operation 5.2.5 Stop and Resume During the engraving process, if an unexpected situation occurs, press the emergency stop button immediately to halt the machine’s operation. To resume normal operation: Release the emergency stop. 2. Resume operation following the normal operational sequence . 5.2.6 Engraving Replace the test material with the actual material.

  • Page 47: Finishing-Up

    5.2.7 Finishing-up When you have finished engraving your design, deactivate the systems as follows: Close the EZCad software and disconnect your computer. 2. Turn off the laser marking machine from bottom to top in order: a. Press the LASER button to turn off the fiber laser source.

  • Page 48: Rotary Axis Processing

    5 Operation 5.3 Rotary Axis Processing 5.3.1 Installing the Rotary Axis Install the rotary axis on the worktable and place a piece of sample material on the rotary axis. 2. Connect the 4-receptacle rotary cable to the rotary axis port on the back of the main tower.

  • Page 49: Instructions For Ezcad

    5.3.2 Instructions for EZCad Cancel Apply Click Laser → Rotate TextMark in EZCad to check and make sure the rotary settings are the same as that on the picture “Laser-Rotate TextMark-param.jpg” in the USB drive. 2. Set other rotary parameters. For detailed instructions, see the EZCad software manual.

  • Page 50: Instructions For Lightburn

    5 Operation 5.3.3 Instructions for Lightburn Enabling the Rotary Axis Enable the rotary axis function on your engraving software. 2. Run your engraver and control computer. 3. Choose Rotary Setup or press Ctrl+Shift+R on your engraving software. 4. Turn on Enable Rotary by clicking, and then choose Chuck. 5.
  • Page 51 For certain engravers, this parameter could be mm per rotation, this manual uses steps per rotation for example. For this OMTech Fiber laser engraver, use 12800 directly. 2. Stick some masking tape, one piece on the chuck as close to the mounting as possible, and the...
  • Page 52 5 Operation 3. Mark the tape. These marks indicate how much the chuck has rotated. 4. Click Test and observe how much the chuck has rotated. 5. Adjust the steps per rotation value. • If it has rotated beyond one rotation, decrease the steps per rotation value. •...
  • Page 53 Rotary Engraving Measure and fill in the Object Diameter parameter or the Circumference parameter of the object. As you fill in one parameter, the other parameter will automatically update. • To measure Object Diameter, you can use either a ruler or a caliper, but a caliper provides an accurate reading.
  • Page 54 5 Operation 2. Ensure that you are using the horizontal scan option in layer settings by setting Scan Angle to 0. Using vertical scanning changes the chuck’s directions frequently, which can cause jerking and your object might jump out of position.
  • Page 55 3. Create/upload your design via the software, adjusting any necessary parameters for the best result, for example, the size of the pattern, and the speed and power of the engraving. If you notice that the engraved pattern appears mirrored, stop the engraving, turn on the Mirror Output to Rotary option on the Rotary Setup window, and try again.

  • Page 56: Finishing-Up

    5 Operation 5.3.4 Finishing-up §5.2.7 Finishing-up on Page for detailed instructions. 5.3.5 Uninstalling the Rotary Axis When you need to engrave without the rotary chuck, do as follows to detach the rotary chuck: Unplug the engraver. 2. Remove the protective cover. 3.

  • Page 57: Instructions For Specific Materials

    5.4 Instructions for Specific Materials When engraving a new material, it can be helpful to engrave a test matrix of small boxes produced with various speed, power, and frequency settings to home in on the exact effect that you are looking for.

  • Page 58: Maintenance

    6 Maintenance Unless otherwise specified, ONLY perform adjustment and maintenance of this device when the power is turned off and the power supply has been disconnected. ONLY allow trained and skilled professionals to modify or disassemble this device. • Keep the workroom clean and dust-free at all times. •...

  • Page 59: Troubleshooting

    7 Troubleshooting 7.1 Common Problems Problems Solutions Make sure you are using an authentic window system; if not, use another computer loaded with the right software. The driver installation Use a different data cable. failure The computer port or its board has a problem; try with another computer.
  • Page 60 7 Troubleshooting Problems Solutions Click the practical center button. The picture or text should be in the center of the canvas. Nothing displayed on canvas board when importing text or picture Reduce Speed to less than 1000, and adjust Start TC(US) to -2000 or less.

  • Page 61: Wrong Focal Length Despite The Merged Red Dots

    7.2 Wrong Focal Length Despite the Merged Red Dots Generally, the right focal length is reached when the two red dots emitted by the red light guider merges into one. However, this indicator of focal length is subject to the changes in laser sources and field lenses.
  • Page 62 7 Troubleshooting 5. Click to import the TEXT for testing, use the default parameters, and tick Continuous Part. 6. Press Red in EZCad or hitting F1 on the keyboard to ensure it’ll mark on the test material. 7. Click Mark in EZCad or press F2 on the keyboard. The laser should be in continuous marking state.
  • Page 63 10. Manually adjust the relative position of the red light guiders to make their dots merge. Tighten the screws.

  • Page 64: Inconsistency Problems

    7 Troubleshooting 7.3 Inconsistency Problems The size of the preview and the mark is inconsistent with the software display, or the preview and the mark are not horizontal or vertical but slanted. • Check and fix the parameters. See §4.5.4 Configuring Parameters on Page 29.
  • Page 65 The red-light preview is inconsistent with the actual engraving position. • Check and fix the parameters. See §4.5.4 Configuring Parameters on Page 29. • If the problem remains, fix the parameters. a. Select Parameter (F3) → Other → Red light pointer. b.
  • Page 68 Scan for the latest user manual LYF-175S | 50W | Split Fiber Marking Machine User Manual F M M -17 5 S - U 1 R e v. 1 3 N o v. 2 0 2 4...