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Omtech MFSC-1500W User Manual

Fiber laser welding machine
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V20240627
Fiber Laser Welding Machine
User Manual
Read Carefully Before Use
Keep for Future Reference

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Summary of Contents for Omtech MFSC-1500W

  • Page 1 V20240627 Fiber Laser Welding Machine User Manual Read Carefully Before Use Keep for Future Reference...
  • Page 3 Contact Us Come join the omtech community at our official laser group on Facebook or visit the company forums at omtechlaser.com. Check our YouTube channel for helpful hints and instructional videos.

  • Page 4: Table Of Contents

    Contents 1 Safety Information .................... 1 Disclaimer ..............................1 Symbol Guide ............................. 1 General Safety Instructions ........................2 1.4 Laser Safety Instructions ......................... 4 Electrical Safety Instructions ........................5 1.6 Chiller Safety Information ........................5 Disposal Safety Instructions ........................6 2 Introduction ......................
  • Page 5 4.8 Wire, Metal Thickness, & Parameters Table ..................35 5 Operation ......................37 Operation Overview ..........................37 5.2 Power On ..............................37 5.3 Typical Operation ............................39 5.3.1 Welding ............................39 5.3.2 Cutting ............................. 41 5.3.3 Weld Cleaning ..........................43 5.4 Quick Parameters Setting ........................

  • Page 6: Safety Information

    1 Safety Information 1.1 Disclaimer This manual may not cover all the possible scenarios that you may encounter using this device. Exercise extreme discretion and good judgement at all times. If you fail to understand any safety information below or those following operational steps, consult a welding professional or contact the customer service before attempting to use.

  • Page 7: General Safety Instructions

    1.3 General Safety Instructions • Your engraver should come with instruction labels in the following locations.

  • Page 8: Safety Information

    1 Safety Information • Use this fiber laser welding machine ONLY in accordance with all applicable local and national laws and regulations. • Use this device ONLY in accordance with this instruction manual. ONLY allow this device to be installed, operated, maintained, etc. by others who have also read and understood the manual.

  • Page 9: Laser Safety Instructions

    1.4 Laser Safety Instructions When used as instructed, this machine comprises a Class 1 laser system safe for users and bystanders. However, the laser, the welding gun, and its electrical connections remain EXTREMELY dangerous. Used or modified without care, they can cause serious property damage and personal injury including but not limited to the following: •...

  • Page 10: Electrical Safety Instructions

    1 Safety Information 1.5 Electrical Safety Instructions • ONLY use this device with a compatible and stable power supply with less than 5% fluctuation in its voltage. • DO NOT connect other devices to the circuit that is being used by the welding machine, as the welding machine draws a heavy load of current and it may trip the circuit breaker.

  • Page 11: 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 12: Introduction

    2 Introduction 2.1 General Information This manual is the designated user guide for the installation, setup, safe operation, and maintenance of your laser welding machine. ALL personnel involved in the installation, setup, operation, maintenance of this machine should read and understand this manual, particularly its safety instructions. Some components are extremely high voltage and/or produce powerful laser radiation.

  • Page 13: Specifications

    2.3 Specifications Laser Type Fiber Input Power AC 220–240 (V), 60 Hz Max. Laser Power 1500 W Cooling Type Water Cooling 5 ℃ –45 ℃ 41 ℉ –113 ℉ Operating Temperature Operating Humidity 10%–90% Max. Continuous Operating Time 24 hr. Data Transmission Max.
  • Page 14 2 Introduction Laser Model MFSC-1500W 62 ± 4 (lb.) 28 ± 2 (kg) Net Weight Dimension 19×19×6 (in.) 483×478×128 (mm) 1080 ± 10 (nm) Wavelength Max. Input Power 5000 W Maximum Output Power 1500 W Beam Parameters Product （ BPP ）...

  • Page 15: Product Diagram

    2.4 Product Diagram Laser Source: Generates a laser beam for welding, cutting, and cleaning laserable metals. Water Chiller: Regulates the temperature of the system. Refer to its separate manual for its use. Laser Source Water Chiller Control Panel: Switches on/off and allows for parameter settings. Emergency Shutoff Main Power Laser Gun Power...
  • Page 16 2 Introduction Welding Gun: used to achieve semi-automatic or automatic welds on laserable metals. Nozzle Unit Wireless Control Unit Galvanometer Mirror Unit Focusing Lens Unit Protective Lens Unit Collimating Lens Unit QBH Connector Cooling Water Outlet Cooling Water Inlet Protective Gas Channel Wire Feeder: Feeds the welding wire through the wire tube and to the welding gun.

  • Page 18: Package List

    2 Introduction 2.5 Package List...
  • Page 19 Item Qty. Welding Machine Welding Gun Wire Feeder Tool Box Welding Helmet Welding Gloves 1 Pair Safety Glasses Wire Feeder Cable RS232 Data Cables(1) Wire Feed Tube Gas Pipe Gas Pressure Gauge Protective Lenses Focusing Lens Collimating Lens Reflective Mirror Keys Wrench 1 Set...

  • Page 20: Installation

    3 Installation 3.1 Installation Overview A complete working system consists of the laser, cooling system, wire feeder, welding gun, all applicable connection cables and access keys. Use only the hardware, wiring, and power sources that came with or are compatible with this device. Using accessories incompatible or substandard can lead to poor performance, shortened service time, increased maintenance costs, property damage, and even personal injury.

  • Page 21: Unpacking

    • It is also advisable to use a windowless room or to use blinds and/or curtains to avoid exposure to the potential additional heat of direct sunlight. • The location should be free of dust and other airborne pollutants and well ventilated enough to process any fumes produced by the welding process in accordance with all applicable laws and regulations.

  • Page 22: Connecting The Power Supply

    3 Installation 3.4 Connecting the Power Supply You need to connect the power supply yourself. During the connection process, you MUST take safety protection measures throughout the process and connect the cables to the appropriate location. If unsure about the connection, have the wire and circuit breaker installed by a trained electrician.

  • Page 23: Connecting The Gas Source

    3.5 Connecting the Gas Source Check and ONLY use one of the following Welding Gas Purity three gases (not included) as protective Nitrogen 99.99% gases. Argon 99.998% Helium 99.998% 2. If your gas source does not have a pressure gauge, install the provided pressure gauge to you gas source.

  • Page 24: Connecting The Wire Feeder

    3 Installation 3.6 Connecting the Wire Feeder Insert the wire feeder cable into the port on the wire feeder. 2. Tighten the nut that came with the cable. 3. Connect the other end of the cable to the welding machine and tighten the nut that came with the cable.
  • Page 25 2. Use a Phillips screwdriver to loosen the bolts. 3. Insert the end of the wire feed tube as shown through the round hole of the wire feeder. 4. Use the Phillips screwdriver to fasten the bolts.

  • Page 26: Replacing The Wire Feed Roll

    3 Installation 3.7.2 Replacing the Wire Feed Roll There are two different sets of wire feed rolls designed for different wire diameters. One set, suitable for 1.2 mm and 1.6 mm wires, is already installed on the machine, while the other set, which accommodates 0.8 mm and 1.0 mm wires, is stored at the side of the machine.

  • Page 27: Installing The Welding Wire Reel

    2. Loosen the screws and nuts to exchange the two sets of wire feed rolls. Screws Nuts The numbers marked on one side of the wire feed rolls correspond to the diameter of the wire groove on the opposite side. Number Wire Groove 3.7.3 Installing the Welding Wire Reel...
  • Page 28 3 Installation 3. Push the welding wire reel into the roller. • When finished with a welding task, tuck the welding wire into the small hole on the welding wire reel to prevent the wire from loosening. • Cut off the bent tip of the welding wire using the wire cutter before each use.
  • Page 29 5. Feed the welding wire to the slivery metal port as shown. 6. Keep feeding until the welding wire threads into the wire feeder tube. 7. When the wire reaches the wire feeder tube, lift the handles upwards. 8. Replace the thumb screw and close the cover of wire feeder.

  • Page 30: Installing The Nozzles

    3 Installation 3.8 Installing the Nozzles 3.8.1 Overview Welding (With Wire Feeding) Welding Gun Welding Nozzles: AS-12, BS-16, CS-12, FS-16 Wire Feeding Nozzles Welding (No Wire Feeding) Cutting Welding Gun Welding Gun Welding Nozzles Cutting (No Wire Feeding) Nozzles Cleaning Welding Gun Cutting Nozzles...

  • Page 31: Installing The Welding/Cutting Nozzles

    3.8.2 Installing the Welding/Cutting Nozzles Make sure the laser is turned off and the laser head is not pointed at any living thing before or during installation and replacement. If you have installed the cleaning nozzle, replace the welding nozzle with the cleaning nozzle in the reverse process instructed §...

  • Page 32: Installing The Wire Feeding Tube

    3 Installation 3.8.3 Installing the Wire Feeding Tube Make sure the laser is turned off and the laser head is not pointed at any living thing before or during installation and replacement. Remove the hex bolt from the welding gun nozzle.

  • Page 33: Installing The Cleaning Nozzle

    3.8.4 Installing the Cleaning Nozzle Make sure the laser is turned off and the laser head is not pointed at any living thing before or during installation and replacement. Loosen the locking ring and remove the connecting tube. 2. Insert the cleaning nozzle to the position 0 on the scale tube.

  • Page 34: Display Interface Introduction

    4 Display Interface Introduction 4.1 Homepage This interface shows when the power key is turned to the ON position. 4.2 System Setting Interface System Update Currently unavailable. Sets the language, which includes simplified Chinese, traditional Language Switch Chinese, English, Japanese, Korean and so on. Activates the device by a password (The device has been Product Activation activated by the factory).

  • Page 35: Controller Configuration Interface

    4.3 Controller Configuration Interface To enter this interface, put in the unchangeable default passcodes (2000). Laser Alarm Sets the sensitivity of laser alarm signal (default: Low). Blow Alarm Sets the sensitivity of blow alarm signal (default: Low). Water Cooler Alarm Sets the sensitivity of water-cooling alarm signal (default: Low).

  • Page 36: Welding Work Interface

    4 Display Interface Introduction 4.4 Welding Work Interface This interface shows up after Start in the homepage is tapped. WireSpd: Adjusts the speed of feeding wire. BlowBef: Pre-blowing time before welding. BlowAft: Delay-blowing time after welding. Wire Mode: Selects auto or inch mode. Wire Direct: Controls wire feed or wire return.

  • Page 37: Processing Parameter Interface

    Guide Laser: Enables the red light dot. Equivalent to the guide spot. Laser Swing: Enables the scan light spot, and its width is adjustable. With the correct parameters set, the included nozzle(s) can be used for small-area laser ablation (cleaning). Larger area cleaning, however, with this machine poses a serious hazard and is thus disabled.

  • Page 38: Advanced Interface

    4 Display Interface Introduction 4.6 Advanced Interface Tap Advanced at the welding interface to enter the process interface, which is password-protected. The password is 2000. Fac delay: Sets the delay time for the motor to continue rotating after welding is completed. The maximum is 999s.

  • Page 39: Alarm Information

    Pulse-Time: Sets the laser emitting time at once mode, up to 1000 milliseconds. RedRatio: Controls the gear ratio used for the stepper motor to achieve precise control of the wire. Blow Switch: Opens/closes the gas protection. Off-Centering: Adjusts the off-centering of light spot. Back Feed: Sets the length the welding wire automatically returns after the laser stopped.

  • Page 40: Wire, Metal Thickness, & Parameters Table

    4 Display Interface Introduction 4.8 Wire, Metal Thickness, & Parameters Table The parameter settings listed in the table are provided as a guide. Adjust these based on test outcomes or material thickness as needed. Welding Material Thickness Wire Dia. (mm) WireSpd (mm/s) PwrPeak PWMWid...
  • Page 41 Cutting Material Thickness Wire Dia. (mm) WireSpd (mm/s) PwrPeak PWMWid PWMFre Sweep Speed (HZ) Width (mm) 1000 Materials Above 1000 1000 The welding wire is not needed during cleaning, cutting, and welding without wire feeding; therefore, Wire switch on the welding work interface must be set to OFF before starting the laser.

  • Page 42: Operation

    5 Operation 5.1 Operation Overview Operate this laser welding machine only in accordance with all the instructions provided in this manual. Failure to follow them may result in property damage and personal injury. Wear safety glasses or welding helmet, and welding gloves during operation! This section only addresses some of the features provided by the operation software.
  • Page 43 4. Turn the red emergency shutoff button clockwise so that it pops up. 5. Press the chiller power button near the key. The button should glow green. 6. Press the laser power button near the emergency shutoff and the button should glow green.

  • Page 44: Typical Operation

    5 Operation 5.3 Typical Operation Wear safety glasses or welding helmet, and welding gloves during operation! 5.3.1 Welding Set the gas pressure to 29 psi–43.5 psi (0.2 MPa–0.3 MPa) for welding. 2. Prepare the welding gun. a. Replace the nozzle with the welding nozzle. See §...
  • Page 45 b. Set the process parameters WireSpd, PwrPeak, PWMWid, PWMFre, Sweep Speed, Width. The maximum value of WireSpd (wire feed speed) is 50mm/s. For recommended settings, § 4.8 Wire, Metal Thickness, & Parameters Table on Page 35. You can also custom your settings in the Param interface and save them for convenience routine use.

  • Page 46: Cutting

    5 Operation 10. If the laser does not work, check against the list below and adjust as needed to make sure the laser can work properly. • The Laser En is set to ON. • The clamp is fastened to the workpiece. •...
  • Page 47 3. Set parameters. a. Set control parameters in the welding interface following the table below. Parameters Set Value Wire switch Laser mode Cont Mode Laser En Guide laser Laser swing b. Set the process parameters PwrPeak, PWMWid, PWMFre, Sweep Speed, Width to the recommended value below.

  • Page 48: Weld Cleaning

    5 Operation 5.3.3 Weld Cleaning Set the air pressure to 29 psi–43.5 psi (0.2 MPa–0.3 MPa). 2. Prepare the welding gun. § 3.8.4 Installing the Cleaning Nozzle a. Replace the nozzle with the cleaning nozzle. See Page 28. b. Remove the wire feed tube from the welding gun and power off the wire feeder. See the §...

  • Page 49: Quick Parameters Setting

    5.4 Quick Parameters Setting Display Screen Left Right Display Displays the welding and cutting parameters. Used to edit parameters and as a quick access to laser power slowdown. To edit parameters: Quick press OK to enter the parameter menu. 2. Press OK to go to the next parameter, with each subsequent press, the next parameter flashing.

  • Page 50: Shutting Down

    5 Operation 5.5 Shutting Down Press the button on the laser gun to turn it off, or raise the laser head to stop the laser automatically. 2. Press the chiller power button to turn off the chiller. 3. Press the emergency shutoff red button. 4.
  • Page 51 5. Set the switch on the back of the welding machine to the “OFF” position. 6. Cut off the air source. If the machine will not be in use for an extended period, disconnect the neutral, live, and ground wires from the power source.

  • Page 52: Adjustment

    6 Adjustment 6.1 Aligning the Laser Guiding Spot The guiding spot is an indicator for where the laser beam is, since the laser beam is invisible to naked eyes. If the guiding spot has become off-centered, follow the steps below to realign. 6.1.1 Focusing the Spot In continuous mode (Laser mode is set to Cont Mode), lower the laser power PwrPeak...

  • Page 53: Centering The Guiding Spot

    6.1.2 Centering the Guiding Spot Set the Width to 0mm on the welding work interface. 2. Tap Advanced. 3. Enter the password “2000”, and the interface as shown shows up. 4. Set off-centering to 0. 6.2 Adjusting the Nozzles Use the locking ring (1) to adjust the scale tube to focus the spot. 2.

  • Page 54: Maintenance

    7 Maintenance 7.1 Cleaning 7.1.1 Cleaning the Welding Head Cleaning During operation, the copper nozzle of the welding head may accumulate a layer of black ash, which results from spark sputtering as the metal is heated. Airborne dust may also settle on the nozzle.
  • Page 55 Instructions Refer Removing and Installing the Lens on Page to remove the lens before cleaning and install the lens after cleaning. Wear finger cots on the thumb and index finger of your left hand. 2. Spray ethanol onto a polyester cotton swab. 3.

  • Page 56: Removing And Installing The Lens

    7 Maintenance 7.2 Removing and Installing the Lens The entire process must be completed in a clean place. PE gloves or finger cots must be worn when removing and installing the lenses. 7.2.1 Replacing the Protective Lens Tools and Parts •...

  • Page 57: Replacing The Focusing Lens

    7.2.2 Replacing the Focusing Lens Tools and Parts • An M3 Allen wrench • A Phillips screwdriver • A cotton swab • Gloves or finger cots • A focusing lens Instructions Wear gloves or finger cots. 2. Use an M3 Allen wrench to remove the hex Focusing Lens Drawer Hex Bolts bolts and pull out the focusing lens drawer.

  • Page 58: Troubleshooting

    8 Troubleshooting 8.1 Common Problems Problems Causes Solutions The two-core wire joint on the welding head is loose. Fasten the joint. Laser spot does not oscillate. The motor or controller is Contact our customer service. damaged. The optical lens is dirty or Clean or replace the focusing lens.

  • Page 59: Alarm Codes

    8.2 Alarm Codes Check the table below for the solutions to common alarms codes. Alarm Codes Solutions Verify the normal connection of the RS485 communication Err-E001: line between the touchscreen and the controller. Ensure that the controller is powered on and has started up Controller communication failure.

  • Page 60: Appendix Controller Wiring Diagram

    9 Appendix Controller Wiring Diagram PGND AU3-MARS9000 Signal Cable-5M RS485-8 RS485-A AU3-Welding Head ON/OFF Signal Cable-10M LA-ON+ AU3-Welding Head ON/OFF RS232 Signal Cable-10M Touch Wireless Screen Receiver Chiller Alarm Input Laser Red Light Ground Clamp(Clamps LA-ON+ to welding workpiece) Laser Alarm Input DC24V Air Valve Laser Enable Output Laser DA(0-10V) Signal...
  • Page 61 Port Input/Output Pin Definition Terminal Description RS485 IN/OUT RS485 Connects to the touch screen. RS232 IN/OUT RS232 Connects to welding gun through Bluetooth. IN/OUT USB port. Currently disabled POWER PGND Controller 24V DC power input PWM+ PWM- CON1 Supplies a modifiable power output (0 V–10 V) 0–10V AGND LA-EN+...
  • Page 62 Fiber Laser Welding Machine User Manual F C M -1 5 C W - U S R e v. 2 7 J u n . 2 0 2 4...

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