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Au3Tech HW970 User Manual

Handheld fiber laser welding head
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HW970 Handheld Fiber Laser
Welding Head User Manual
Version V2.3
Wuhan Au3tech Intelligent Technologies Co., Ltd.
www.au3tech.com
info@au3tech.com
www.au3laser.com
Daijiashan Science and Technology Park, Jiang'an District, Wuhan，China
Phone:027-82726630 Fax:027-82726630
1

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  • Page 1 HW970 Handheld Fiber Laser Welding Head User Manual Version V2.3 Wuhan Au3tech Intelligent Technologies Co., Ltd. Daijiashan Science and Technology Park, Jiang'an District, Wuhan，China www.au3tech.com www.au3laser.com Phone:027-82726630 Fax:027-82726630 info@au3tech.com...

  • Page 2: Table Of Contents

    Catalog Index Abstract ........................3 Overview ........................ 3 Product configuration ................... 9 III. Mechanical installation ..................11 Focus adjustment ....................14 Maintenance ......................15 1. Equipment installation and wiring ..............26 VII. 2. The main interface description ................ 31 VIII. 3.

  • Page 3: Abstract

    Abstract Key points This manual covers the safe use, basic installation, factory settings, operating instructions, and maintenance services of the HW970 (handheld welding) series products. Audience This manual is mainly applicable to the following staff: ⚫ Installation Engineer ⚫ Maintenance Engineer ⚫...
  • Page 4 products. There are many specific optical and mechanical custom configurations, and this manual only introduces its main unit components. Laser welding is a new welding method and handheld laser welding is more widely in used. The handheld laser welding head has the advantages of beautiful appearance, small and light weight, wide use range, simple operation, and fine weld seam, which greatly improves the welding efficiency and quality.
  • Page 5 6. Any repair or maintenance must be done by professionally trained personnel! Professionals must have received safety training, understand possible hazards and be familiar with safety measures to deal with hazards. Product appearance...
  • Page 6 Figure 1 - Appearance of HW970 Structure composition...
  • Page 7 Galvo-lens unit Collimator lens unit QBH connector Figure 2 - Structure of HW970 ⚫ QBH connector: complete the access and lock of the optical fiber connector. ⚫ Collimator unit: complete the fiber collimation function and collimate the incident laser into a parallel beam.
...
  • Page 8 ⚫ Wireless control unit: quickly adjust some high-frequency parameters.
 ⚫ Focus lens unit: Focus the reflected beam into a convergent beam with high power density.
 ⚫ Protection glass unit: The protective glass can protect the focusing lens from the damage of returning slag and prolong the service life of the focus lens.
 ⚫...

  • Page 9: Product Configuration

    Product configuration HW970 handheld laser welding head is mainly used for plane processing applications within 2000W, and has very high versatile. Standard configuration model: HW970-Z50- F150. Configuration parameter Parameter name Technical indicators Maximum applicable laser power 2000W Optical fiber interface type Focus lens specifications Dia.=20mm，F=150mm...
  • Page 10 1.Connect the circuit between the laser, the controller and the galvanometer driver. Connect the power cord. For the wiring method, refer to the electrical control section of the user manual.
 2. After getting the laser welding head, connect the optical fiber connector firstly, and then connect the air pipe, water pipe and switch circuit.

  • Page 11: Mechanical Installation

    Mechanical installation Cooling water loop installation The HW970 handheld welding head is equipped with a set of cooling water channels. It should be noted that when the laser power is greater than 500 watts, it is recommended to use water cooling. From Figure 3, you can see the position and number of the water cooling ports, and the table below lists the recommended water flow speeds in detail.
  • Page 12 Industrial pressure gauges will inhale air. If a rubber diaphragm is used, hydrocarbons will be generated due to aging and other reasons. HW970 provides 1 way welding gas connection. The outer diameter of the gas pipe is 6mm. As shown in Figure 4 below.
  • Page 13 QBH hand wheel clockwise to reach the right position when hearing the sound of "Da", then pull the handwheel upwards and turn it clockwise to the end again. As shown in Figure 6 below. Figure 6 HW970 QBH fiber rod insertion and locking diagram...

  • Page 14: Focus Adjustment

    There is a scale on the copper nozzle, which is convenient and quick to adjust, as shown in Figure 7: Locking ring Figure 7 HW970 Focus position adjustment knob Spot centering adjustment Adjust the light spot to the horizontal center position of the nozzle.
...

  • Page 15: Maintenance

    Figure 8 Adjusting the optical core offset parameters Maintenance Welding head cleaning and maintenance When the welding head is used, a layer of black ash is attached to the copper nozzle. This is the spark sputtering after the metal is heated, and then attaches to the nozzle.
  • Page 16 Figure 9 HW970 protection glass module split diagram ■ Lens cleaning tools： PE gloves or finger cots, polyester cotton swabs, absolute ethanol, rubber air blower (clean compressed air), etc. ■ Lens cleaning method and matters needing attention:
 （1）Wear finger cots on the thumb and index finger of the left hand;
...
  • Page 17 (6) Reinsert the protective glass holder back into the welding head, and tighten the locking screw. Protection glass drawer Protection glass cover Sealing ring Protection glass Picture 10 HW970 protection glass split diagram ■ Disassembly and assembly of the upper protective glass and focusing lens:...
  • Page 18 Protective lens D20X3 Focusing lens D20-F150 Figure 11 Split diagram of upper protective glass and focusing lens on HW970 Replace the copper nozzle: In the process of laser welding, the nozzle will touch the welding pieces and rub against the metal parts. Nozzle is consumable accessory and needs to be replaced after a...
  • Page 19 stainless steel bottom tube and a copper nozzle. The copper nozzle has different styles and can be used in different scenarios. The corresponding copper nozzle is required to use different thickness of welding wire. Refer to Figure 12. ■ Replace nozzle： （1）...
  • Page 20 Switching to cleaning mode Replace with cleaning parts Loosen the screw, then replace the nozzle module with a dustproof light transmission frustum. Replace the focus lens module (D20-F150) with the focus lens module (D20-F600) Dustproof frustum focus lens module - F600 screw copper nozzle module focus lens module - F150...
  • Page 21 Enter the password “5000” in the pop-up window. Enter the cleaning interface. After switching to the cleaning mode, the light can be emitted only when the ground wire clamp is clamped on the wire feeding assembly. Click "switch to welding mode" in the upper right corner of the cleaning interface to switch to the welding interface.
  • Page 22 The wireless receiving module is inserted into the DB9 female socket of the HWS2000 controller through the USB Touch screen interface operation Click the "Home" button Click the "controller config" button to enter the controller configuration interface:...
  • Page 23 Check "enable" to turn on the wireless control function of the welding head. The wireless communication address needs to be consistent with the communication address of the wireless controller on the welding head. Instructions for Handheld Welding Wireless Control unit Operating Instructions for Wireless Communication Module Display screen Left...
  • Page 24 press in the non-editing state to trigger the power slow-down function, release it to stop the power slow-down. 3. Left button: Press to decrease parameter value or switch function state in parameter editing state. Long press in the non-editing state to turn on the wire feeding function, release it to stop the wire feeding.
  • Page 25 Set the running speed of the wire feeder corresponding to the "Wire feeding speed" parameter on the touch screen. 8. Wireless pairing: (Status: On\Off) Cooperate with "Enter Pairing" in the "Controller Configuration" interface of the touch screen to achieve wireless pairing. 9.

  • Page 26: 1. Equipment Installation And Wiring

    HWS5000 Welding System Controller User Manual Manual For Welding System Equipment (control part) Version: V5.0 1. Equipment installation and wiring 1.1 Wiring instructions for touch screen terminals Touch screen wiring terminal Terminal wiring instructions: Power terminal: The screen uses 24V DC power supply. The terminals from right to left are: power supply positive, power supply negative, and ground wire.
  • Page 27 1.2 Controller wiring terminal description Controller wiring terminal For detailed description of the controller terminals, please refer to the table below. Controller terminal description Port Input/ screen Pin Pin Definition Terminal description Output printing RS485 IN/OUT RS485 Touch screen communication interface RS232 interface (wireless control RS232 IN/OUT...
  • Page 28 0～10V(0～4V) 0～10V\0～4V analog output signal (The output range can be configured) AGND LA-EN+ DC24V laser enable output signal LA-EN- CON2 GAS+ DC24V output connected to solenoid valve to control blowing GAS- (Drive current Max 2A) LA-ALM+ Laser alarm input port (DC24V high level valid) LA-ALM- LA-ON+...
  • Page 29 RS485-A Stepping wire feeder communication port RS485-B Reserved DC24V DC24V power output Stepping wire feeder green indicator LED-G light CON7 DRV-SON Stepping wire feeder enable LED-B Stepping wire feeder blue indicator light CTRL1 Reserved CON8 CTRL2 Reserved DRV-STEP CON9 Reserved DRV-DIR DIR-EN Reserved...
  • Page 30 Definition of controller wiring terminal In order to improve the safety performance of the product, the hand-held welding head adopts the method of contacting light, that is, the welding head and the welding workpiece must be in contact, and the light can be emitted after pressing the light switch of the hand-held welding head.

  • Page 31: The Main Interface Description

    2. The main interface description 2.1 Homepage After the system is powered on and initialized, the welding work interface is entered by default. Click the "Home" button to enter the home page interface. Under the home page interface, you can enter the system settings, start welding, and controller configuration interfaces.
  • Page 32 Spanish, Portuguese, Slovenian, Croatian, French, German. After clicking Language Switch, click the required language, and the language will be displayed on all system interfaces. "Version Information": Display the current system's touch screen version, controller software version, and controller hardware version. "Product Activation": Query the current device ID and encryption status.
  • Page 33 Wireless controller configuration: Choose to enable or disable the wireless communication module (users who use our HW970 series handheld laser welding head, please set this option to enabled). Wireless controller matching: To communicate and match with the wireless control module.
  • Page 34 After the system is powered on, it will enter the welding work interface by default, as shown in the figure below: The welding work interface is the most commonly used interface for users. Under this interface, users can set parameters, turn on/off enable control, switch working modes, and light emitting methods.
  • Page 35 light will be emitted only once per press. The light emission time is determined by the spotting time. If you need to spot the light again, you need to release the switch and press the light switch again. Scaly welding line: after the laser is enabled, the light emitting conditions are met, the light spot swings slowly to achieve the effect of scal pattern.
  • Page 36 Description of welding interface parameters: "scanning frequency”: Set the oscillation frequency of the galvanometer motor of the gun head. The higher the scan frequency is set, the faster the light spot moves. This parameter is limited by the scan width parameter: Scanning width≤2mm, scanning frequency≤600HZ;...
  • Page 37 The process of power change during light emission is shown in the following figure. 功率 Power Peak Power 峰值功率 Starting Power 起步功率 Ceasing Power 截止功率 Power ramp down Power ramp up Time 缓降 缓升 时间 时间 时间 停止出光 开始出光 start emitting light stop emitting light Schematic diagram of power changes 2.5 Common process interface...
  • Page 38 Click the "PARAM" button under the welding interface to enter the process selection interface. The process interface can store 4 materials, 18 thicknesses, and 6 types of processes. After selecting a group of processes, click "Apply" to directly export the process parameters of this group to the welding work interface.
  • Page 39 After selecting a certain group of processes, click "Apply" to directly export the process parameters of this group to the welding work interface. Click "Import" to store the parameters of the welding interface into this group of processes. The process parameters in the process interface can be permanently saved even in the power failure situation.
  • Page 40 the peak power to the cut-off power). Note: Only the system with optional wireless control module has the power slow down function! 5) Power start: Show the power when the light starts. 6) Power off: Show the power when the light is stopped. 7) WireMoment: If the control system is equipped with a stepping wire feeder, the torque of the stepping wire feeder can be adjusted according to the load of the stepping wire feeder.

  • Page 41: 3. Equipment Alarm And Treatment

    14) Off light wire feeding When the light off wire feeding delay is completed, the length of the wire feeded by wire feeder is determined by this parameter to facilitate wire breakage. 15) Off light wire feeding speed After the light emission ends, the running speed of the back feed and off light wire feed.
  • Page 42 Check whether the RS485 communication line between the touch Alarm Err-E001: The screen and the controller is properly controller is not connected! connected, and check whether the controller is normally powered on and started. Alarm Err-B001: The air Check whether the air pressure is pressure is too low! normal.

  • Page 43: Program Update

    check detailed fault information! There is no alarm when The current device is operating the equipment is running normally. normally! 4. Program update 4.1 Touch screen program update Note: The U disk uses the USB2.0 interface and has a capacity smaller than 16GB. The format of U disk is FAT32.
  • Page 44 Please follow the steps below to update the controller program: After inserting the U disk with the updateable file into the USB port of the controller, click the "Start Update" button. If an updateable file is detected, the automatic update program will start.

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