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Raytools BD08K Series User Manual
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Raytools BD08K Series User Manual

Raytools BD08K Series User Manual

8kw auto-focusing tube laser cutting heads
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BD08K SERIES
8KW Auto-Focusing Tube Laser Cutting Heads-User Manual

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Summary of Contents for Raytools BD08K Series

  • Page 1 BD08K SERIES 8KW Auto-Focusing Tube Laser Cutting Heads-User Manual...
  • Page 2 Please read this manual carefully before your actual use to help you effectively understand this laser head. The products may continue to be renewed. We apologize for the inconvenience caused by the information difference between the product the manual indicates and the actual product you get. RayTools AG Email: sales@raytools.com Website: www.raytools.ch...

  • Page 3: Table Of Contents

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Content Summary ..........................1 1.1 Product Features ................................2 1.2 Structure and Function ..............................2 Mechanical Installation ......................3 2.1 Mounting Holes ................................3 2.2 Connecting Gas and Water ............................3 2.2.1 Connecting the Cooling Water System ......................3 2.2.2 Connecting the Auxiliary Gas System ......................
  • Page 4 4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 5.1 Cleaning the Lens ..............................16 5.2 Replacing Lens ................................17 5.2.1 Replacing Middle/Bottom Protective Lens ....................17 5.2.2 Replacing the Upper Protective Lens ......................17 5.2.3 Replacing the Collimating Lens ........................18 5.2.4 Replacing the Focusing Lens ........................

  • Page 5: Summary

    Summary This manual includes the general description, basic installation, factory settings, operation and maintenance services, and other aspects of the BD08K series products, which have too many optical and mechanical customization configurations, so only the main parts will be introduced in this manual.

  • Page 6: Product Features

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 1.1 Product Features  Optimized optical configuration and smooth and efficient airflow design;  Automatic focusing range +12 ~ -16mm, adjustment accuracy 0.05mm;  Equipped with D37 composite lens groups, the maximum fiber power is up to 8KW; ...

  • Page 7: Mechanical Installation

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Mechanical Installation 2.1 Mounting Holes The size of the mounting holes and position of the BD08K tube laser cutting head are shown in Figure 2.1. To ensure high-quality cutting, we recommend that you install the laser head vertically into the processing area and lock it into place.

  • Page 8: Connecting The Auxiliary Gas System

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Figure 2.2 – Water cooling circuit and gas circuit Outer Diameter of Water Connector Min. flow rate 1.8L / min (0.48gpm) Entry pressure 170-520kPa (30-60 psi) Entry temperature ≥ room temperature / dew point Hardness (relative to CaCO3) 250mg/liter PH range...

  • Page 9: Cable Connection

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Purity Permitted water vapor (ppm) Permitted hydrocarbon (ppm) Oxygen 99.95% <5 ppm <1 ppm Nitrogen 99.99% <5 ppm <1 ppm Argon 99.998% <5 ppm <1 ppm Helium 99.998% <5 ppm <1 ppm Auxiliary Gas Pipe Diameter (Outer Diameter) 10mm Impurities can be filtered out in gas supply pipes, but oxygen and water vapor can permeate beam paths through non-metallic materials, which is the source of dust and...

  • Page 10: Connecting Cables To Servo Driver

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Figure 2.3 – Connecting cables to laser head 2.3.2 Connecting cables to Servo Driver Connect the power limit cable and encoder cable to the corresponding interfaces on driver according to the cable definition (see the cable). Note: The limit sensor is in low-level normally closed output mode (the sensor outputs a low- level signal when it is not triggered);...

  • Page 11: Connect The Laser Fiber To The Laser Head And Do Direction Adjustment

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 2.5 Connect the Laser Fiber to the Laser Head and do Direction Adjustment In this section, the connection method between fiber laser and laser head will be introduced by combining the case of QBH connector. Figure 2.4 - Installation: Laser fiber (e.g., QBH connector) First, align the red point at the end of the QBH connector with the red point of the handwheel;...

  • Page 12: System Installation And Commission

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual System Installation and Commission 3.1 Auto-Focus by Pulse(for FSCUT Controller) 3.1.1 Wiring Driver + Stepper Motor The motor is mixed stepper motor, which needs to connect 24V, 0V and earth to the Vdc, GND and PE of the driver respectively.

  • Page 13: Software Settings

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 3.1.2 Software Settings  Open the platform configuration tool and enter the value shown in Figure 3.1.  Set parameters as in Figure 3.1(only for reference).  Save the parameters and enter the interface. Figure 3.1 - Platform Configuration Tool 3.1.3 Interface Operation 1.
  • Page 14 4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 2. The direction of backing to origin is negative, and take lower limit as a sampling signal. 3. Pitch 2mm, 4000 pulses one turn. 4. Recommended to set the positioning speed to 50-100mm/s. Figure 3.2 - Operation interface Figure 3.3 —...

  • Page 15: Auto-Focus By 0-10V(With F050)

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 3.2 Auto-Focus by 0-10V(with F050) 3.2.1 Interface Description of F050 Connector Function Description Remark focus setting 0-10V to focus position setting analog ground analog signal ground alarm output 0V: normal 24V: abnormal focus-reached 0V: focus-unreached 24V: focus-reached focus enabling...

  • Page 16: Auto-Focus By Ethercat

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 3.3 Auto-Focus by EtherCAT 3.3.1 Wiring Driver + Stepper Motor The motor is mixed stepper motor, which needs to connect 24V, 0V and earth to the Vdc, GND and PE of the driver respectively. A+, A-, B+, B- are the power lines of the stepper motor. Please follow the line label instructions (24V power supply is provided by customer).
  • Page 17 4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 13 / 25...

  • Page 18: Beam Adjustments And Focusing

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Beam Adjustments and Focusing 4.1 Adjusting the Laser Beam (QBH interface) The cutting quality depends largely on whether the lens is centered or not. If not, the laser beam may fall on nozzle inside to produce high temperature deformation. Lens centering operation should be carried out when nozzle is replaced or the cutting quality is decreased.

  • Page 19: Focus Position Adjustment

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Repeat the above steps until you find the best centering position. Basically, this beam  centering operation requires several adjustments. 4.2 Focus Position Adjustment The BD08K is an auto-focus laser cutting head, but manual doting must be taken into consideration when carrying out any adjustments (factory setting performing, lens replacement, laser source replacement, etc.).

  • Page 20: Maintenance

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Maintenance 5.1 Cleaning the Lens Regular maintenance of the lens is required considering the processing technology of laser cutting. We recommend that you clean the protective lens once a week. The protective lens holder has a drawer structure to facilitate lens maintenance. (Figure 5.1) Lens cleaning: a.

  • Page 21: Replacing Lens

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 5.2 Replacing Lens Maintenance and replacement work of lens must be carried out in a clean workplace, and dust-proof gloves or fingerstalls must be worn when replacing the lenses. 5.2.1 Replacing Middle/Bottom Protective Lens The protective lens is a wearing part and needs to be replaced when damaged.

  • Page 22: Replacing The Collimating Lens

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Undo the screws on the lens holder with 3mm inner hexagon spanner (as shown in figure  5.3); Pull out the lens holder by pinching the two edges, use a textured paper to seal the opening ...

  • Page 23: Replacing The Focusing Lens

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Take out the collimating lens assembly, and use a lens tool to remove the pressing ring  and collimating lens; Clean or replace the collimating lens;   Reassemble the collimating lens assembly in order (see Figure 5.6), pay attention to tighten the pressing ring properly, and re-screw it into the collimating lens assembly;...
  • Page 24 4kw Auto-Focusing Tube Laser Cutting Heads-User Manual As shown in Figure 5.8, use a lens tool to remove the focusing lens holder, and take off  the pressing ring and focusing lens; Figure 5.7 – Remove the screws Figure 5.8 – Remove Focusing Lens Assembly ...

  • Page 25: Replacing The Nozzle Connector

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 5.3 Replacing the Nozzle Connector During the laser cutting, the laser head will inevitably be hit. So, you need to replace the nozzle connector if necessary. 5.3.1 Replacement of Ceramic Part  Unscrew the nozzle; ...
  • Page 26 4kw Auto-Focusing Tube Laser Cutting Heads-User Manual If the motor is moving normally, this value will change in real time according to the position  of the motor, and the value will be 0 after the motor is stable; it means that the wiring is correct and the server is working properly;...

  • Page 27: Mechanical And Optical Overview

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual Mechanical and Optical Overview 6.1 Mechanical Dimension 23 / 25...

  • Page 28: Schematic Diagram Of Cutting Head Configuration

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual CL/mm FL/mm H/mm 468.7 6.2 Schematic Diagram of Cutting Head Configuration 6.2.1 Focal Length Collimating focal length QBH-100mm Focusing focal length 200mm 6.3 Part No. of Spare Parts 6.3.1 Fiber Connector Fiber Connector Part.

  • Page 29: Protective Lens

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual 6.3.3 Protective Lens Protective Lens Specifications Part No. D24.9 x 1.5 (top) 211LCG0086 D37 x 7(middle) 211LCG0078 D37 x 7(bottom) 211LCG0078 6.3.4 Nozzles Name Size Part No. 1.0mm 120GJT0910 1.2mm 120GJT0912 1.5mm 120GJT0915 2.0mm 120GJT0920 Single Nozzle...

  • Page 30: Ceramic Part And Ttw Cable

    4kw Auto-Focusing Tube Laser Cutting Heads-User Manual ELN0NA3215M00028B Power cable ELN0NA3220M00049B 30 M ELN0NA3230M00055B Control cable—For FSCUT Position Mode 2.0M ELNAB102M00045 EtherNet cable 0.5M 3570050025 Extension cable(for encoder cable) 0.5M 3620030013 6.3.6 Ceramic Part and TTW Cable Name Part No. Ceramic part M8 120515093A TTW cable...