How to Use This Document Thank you for purchasing our Direct Diode Laser ML-5020BW. This operation manual explains its method of operation and precautions for use. Before using, read this operation manual carefully; after reading, save it in a proper place for your future reference.
This product incorporates parts containing gallium arsenide (GaAs). Do not look into or reach into the light path while the LD is turned on . Fluorescence emission can cause burn or blindness. Wear protective glasses while the LD is turned on. ML-5020BW...
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Those who use a pacemaker must not approach the Laser or walk around the processing shop while the Laser is in operation, without being permitted by his/her medical doctor. The Laser generates a magnetic field and has effects on the operation of the pacemaker while it is turned ON. ML-5020BW...
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Surface flash and expulsion can burn the skin if they touch the skin. Keep a fire extinguisher nearby. Keep a fire extinguisher in the processing shop in case of fire. Maintain and inspect the Laser periodically . Maintain and inspect the Laser periodically, and repair any damage before starting operation. ML-5020BW...
* For other information on managing laser equipment or the MPE level, refer to the follow- ing standards. Japanese Industrial Standards JIS C 6802 “Safety of Laser Products” Notification by the Ministry of Labor No. 0325002 “Laser Damage Prevention Mea- sures” ML-5020BW...
For Disposal This product incorporates parts containing gallium arsenide (GaAs). At the time of disposal, separate it from general industrial waste or domestic waste and carry out the disposal in accordance with applicable laws and regulations. ML-5020BW...
For details, please visit the Security Export Control’s website or contact the Security Export Licensing Division, Ministry of Economy, Trade and Industry directly. Security Export Control’s website of Ministry of Economy, Trade and Industry http://www.meti.go.jp/policy/anpo/index.html Security Export Licensing Division, Ministry of Economy, Trade and Industry Phone: +81-3-3501-2801 ML-5020BW...
When the output unit is provided with a CCD camera, cross lines are generally displayed on the monitor and the cross point of these cross lines is an irradiation point. In this laser, a red point appears on the workpiece when guide light is output. ML-5020BW...
Laser light can be transferred to a place remote from the main unit by opti- cal fiber, so that only the optical fiber and output unit can be mounted in the manufac- turing line for processing. Direct Diode Laser Configuration Optical fiber FC-LD Output unit Workpiece Power supply ML-5020BW...
3 . Functions of the ML-5020BW 3 . Functions of the ML-5020BW ⇒ Direct diode laser oscillation function ■ The laser is capable of processing workpieces under a small spot diameter. ■ The laser employs an LD, which significantly reduces the number of required maintenance operations.
For the latest parts information, contact a near- est sales office. Product name Model No . Q’ty Direcr Diode Laser ML-5020BW Cable with a round-type connector (2 m) *1 AS1178984 Protective glasses YL-717 Fiber Laser Operation manual...
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Main unit Provided with optical fibers. Model Specification Length of optical fiber ML-5020BW Simultaneous output to 2 fibers Output unit The output unit with the specification that you selected at the time of purchase is con- nected to the main unit.
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W 1 : 5 . 0 0 W 2 : 5 . 0 0 s e c W 1 : 1 1 . 5 0 A W 2 : 1 1 . 5 0 A CONTROL POWER CURR2 CURR1 LASER START/STOP MENU READY LASER ERROR Direct Diode Laser EMISSION ML-5020BW Output Unit FOCH-30C series ML-5020BW...
RESET (clockwise), the button is reset to STOP Button the initial state. (5) READY Lamp Lights up when laser is ready for outputting. (6) LASER Lamp Indicates that laser is being output. (7) ERROR Lamp Indicates that an error occurs. ML-5020BW...
If you press the button while the READY lamp is lighting up, laser light is START/STOP output. If the button is pressed again while laser light is output, the output (Button) is stopped. EMISSION When the LD is turned on, the EMISSION lamp comes on. ( Lamp) ML-5020BW...
Outputs an analog signal input to the TH connector between 0 to 5 V. (BNC) nector (8) LDMON Con- BNC connector used to output an analog signal representing the LD current waveform. When viewing the current waveform, connect to an oscilloscope. nector (1 A = 0.33 V) ML-5020BW...
For the power supply side, we earnestly recommend using a leakage breaker with the rated current of 5 A or more, which is applicable to harmonics and surg- ⇒ Perform class D grounding work (Ministry of Economy, Trade and Industry "Tech- nical Standards for Electric Equipment"). ML-5020BW...
Avoid such a sudden temperature change if possible. When there is a possibility of condensation, turn ON the power supply of the laser. In about 2 hours, start to operate the laser. ML-5020BW...
The L-shaped bracket at the right and left sides of the front of the laser main unit is for preventing displacement. The laser main unit cannot be supported with the L-shaped bracket only. Be sure to install the L-shaped bracket or the floor panel to receive. ML-5020BW...
(3) Turn the outer-side nut of the plug in the direction of the arrow to fix the optical fiber. ⇒ Tighten the nut by hand without using a tool. ⇒ The connector section cannot be bent. Take care not to give excessive force to this section. ML-5020BW...
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2 . Connecting the Optical Fiber Output unit Approx . 40mm Optical fiber Connector section ⇒ Keep the recover cap in a clean place in custody. If a dirty cap is mounted again, this will cause seizure. ML-5020BW...
TH1 and that of the output unit connected to the fiber 2 to TH2. EXT. I/O RS-485(1) M A I N E-STOP RS-485(2) A C I N P U T ( 1 φ ,A C1 00 -2 20 V, 5 0 - 6 0 Hz ) THMON2 THMON1 LDMON2 LDMON1 ML-5020BW...
CTRL to PANEL on the SYSTEM screen. Control by External Input/Output Signals (EXT) When the PLC or the like is connected to the main unit and CTRL on the SYSTEM screen is set to EXT, the control by external input/output signals (EXT) is selected. ML-5020BW...
How to Stop the Laser Operating Procedure (1) Turn OFF the LD. (2) Turn OFF the CONTROL keyswitch and pull out the key. (3) Turn OFF the MAIN switch. ⇒ The laser safety supervisor takes charge of the key of the CONTROL keyswitch. ML-5020BW...
Pressing the MENU key switches the screen on the control panel over to the SCH screen, MONITOR screen, COUNTER screen, SYSTEM screen, and LD screen in this order. SCH 1 Screen When the MENU key is pressed SCH 2 Screen MONITOR Screen COUNTER Screen SYSTEM Screen LD Screen ML-5020BW...
Sets the down-sloping (the laser output becomes gradually weaker) for the last FLASH. Sets the LD current value for W1 in the range of 00.75 to 11.50 A. Sets the LD current value for W2 in the range of 00.75 to 11.50 A. LD current value LD current time ML-5020BW...
When the temperature change is large and hard to read, increase the setting to smooth the variation. Moving average Moving average Setting Setting time time 0.001 s 0.05 s 0.002 s 0.1 s 0.005 s 0.2 s 0.01 s 0.5 s 0.02 s 1.0 s ML-5020BW...
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⇒ The time between the start signal and the LD current output is about 80 ms. However, it becomes 130 ms at the first shot after the power supply is turned on or after the sensor setting is changed. ML-5020BW...
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Temperature level sensor Current output is turned off by temperature upper limit alarm after WELD2. LD current output (LD1,LD2) UP SLOPE WELD1 SLOPE WELD2 DOWN SLOPE LD current 100ms Solder feeding signal * Similarly in CURR and STOP controls 100ms ML-5020BW...
GOOD Displays the appropriate number of laser light outputs. Move the cursor to the beginning of the value and press the + key for 3 seconds to reset the value. Displays the accumulated emission time of LD. ML-5020BW...
Refer to page 53.) 1or2: LD2 in the external control (Refer to page 54.) GID1/GID2 Sets the guide light of LD1/LD2 to ON or OFF. When laser light is output with guide light ON, guide light is turned off automatical- ML-5020BW...
(50.0 to 100.0%*) to adjust the output. * The lower limit should be more than 0.75 A. To measure the later output, install the power meter at the end of the output. ML-5020BW...
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2 reaches the target temperature 1or2 OK, stopping laser outputs from both LDs when either of the heat detector 1 LD1, LD2 and 2 reaches the target temperature KEEP CURR operation CURR operation 1&2 CURR operation 1or2 CURR operation ML-5020BW...
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Occurrence of an error for LD to which the heat detector is not connected, E12 when both LDs are connected 1&2 OK (independent control) LD1, LD2 1or2 OK, independent control when LD1 and LD2 are simultaneously used LD1, LD2 ML-5020BW...
GID1/GID2 (guide light output) Screen PRE: ON (LD power supply ON) SCH 1/2 Screen SCHEDULE number input MONITOR Screen Pressing the LASER START/STOP button Laser light output MONITOR LD average current check Screen CONTROL keyswitch OFF MAIN switch OFF ML-5020BW...
If you press the button while the READY lamp is lighting up, laser light is START/STOP output. If the button is pressed again while laser light is output, the output (Button) is stopped. EMISSION When the LD is turned on, the EMISSION lamp comes on. (Lamp) ML-5020BW...
It is convenient if you enter the set output schedules in the Appendix “Output Schedule Data Entry Table” in advance. ⇒ For the details of setting items, refer to “Welding Schedule Setting Screen” on page 37. ⇒ The unit of time setting depends on the setting of “TIME” on the SYSTEM screen. ML-5020BW...
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(6) Press the ENT key to establish the set value. <No te> The set welding schedule is not established until ENT key is presssed . When com- pleting setting, be sure to press the ENT key . ML-5020BW...
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Laser light is output. Guide light stops automatically. (8) Press the MENU key to display the MONITOR screen, and check the LD average current value (A) of the output laser light. ° ML-5020BW...
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(3) Turn OFF the MAIN switch. The power supply is turned OFF and the POWER lamp goes out. ⇒ Return the key of the CONTROL keyswitch to the laser safety supervisor so that it can be kept in custody. ML-5020BW...
(PANEL) Switch the control method. Control by external input/output signals (EXT) Output schedule input Guide light output LD power supply ON Laser light output/stop (Emergency stop) End of operations CONTROL keyswitch OFF MAIN switch OFF ML-5020BW...
E-STOP A-03376-001 ⇒ Prepare a program and its development environment for laser control on the cus- tomer side. ⇒ Do not connect the shielded portion to FG (frame ground) inside the laser equip- ment when using the shielded cable. ML-5020BW...
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0 V (pin No.17). 0 V OUT When using the internal power source, connect it to +24 V OUT (pin No.16). When using the external power source, connect it to +24 V. Input COM Input COM ML-5020BW...
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Do not connect anything. Unused Do not connect anything. Unused Do not connect anything. Unused Do not connect anything. Output COM Output COM Type of output: Photo MOS relay output Rating of output: 24 V DC, 20 mA max. ML-5020BW...
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When the section between pin No.2 (emergency stop input) and pin No.7 (emer- gency stop input) is put in an open circuit, the laser is put in an emergency stop status and the power supply of the laser is cut off. E-STOP connector Inside of the laser Emergency stop +24V 15mA ML-5020BW...
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The section between pin No .2 and pin No .7 of the attached connector is short-circuit- ed by soldering before shipment . Be sure to mount the connector even when not us- ing the emergency stop input . E-STOP connector Inside of the laser 24V DC Contact rating 30 V DC, 3 A ML-5020BW...
Example Connections of External Input/Output Signals An example of external input/output signal connections is explained below . Ex.: When using the internal power source Connect between 16 and 17. Inside of ML-5020BW +24V OUT (16) Ex.: When using the external power source...
■ Turning ON the power supply for a operation check during maintenance puts the laser in oscillation . Take extreme care about it . ■ The operator and those who may receive laser light during maintenance must put on protective glasses . ML-5020BW...
M A I N E-STOP RS-485(2) A C I N P U T ( 1 φ ,A C1 00 -2 20 V, 5 0 - 6 0 Hz ) THMON2 THMON1 LDMON2 LDMON1 Side (similarly also on the opposite side) ML-5020BW...
The thermostat of the LD unit is actuated. Turn off the CONTROL keyswitch and turn it on LD OVER HEAT again to reset. If the trouble will continue even after the above measures, write down the error No. and consult us. ML-5020BW...
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The output voltage of the LD power supply 2 is 7 V or more. Turn off the CONTROL keyswitch and turn it on LDPS2 OUTPUT OPEN again to reset. If the trouble will continue even after the above measures, write down the error No. and consult us. ML-5020BW...
If the laser does not improve though the set- ting is adjusted, optical axis of resonator may Laser output decreases though monitor displays normal value. have been dislocated. For adjusting the axis, (When processing is not performed or weld strength is not consult us. enough.) ML-5020BW...
4.9 m/s (0.5 G) max. Impact during transport 49 m/s (5 G) max. Vibration during operations 10 to 60 Hz: 0.98 m/s (0.1 G) max. Intermittent vibration during opera- Less than 2 Hz: 4.9 m/s (0.5 G) max. tions ML-5020BW...
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Dimensions Without rubber foot and rack mounting plate: 199 (H) × 420 (W) × 563 (D) mm Others A; Weighted equiva- lent continuous sound 75 dB (A) max. pressure level Noise level C; Sound pressure 0.3 Pa max. level ML-5020BW...
Laser start (2nd time or later) *1: At start-up of laser or when the setting related to temperature is changed: approx. 300 ms *2: 150 ms or more of the irradiation time. The next laser start is disabled dur- ing this period. ML-5020BW...
Live. → P.29 LASER is an abbreviation of Light Amplification by Stimulated Emission of Radiation, which is Laser light artificially generated by laser oscillator. Laser is classified into solid laser, liquid laser, and gas laser by medium. ML-5020BW...
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Electric resistance generally used as a scale to indicate the hardness of current flow for a mate- Resistivity rial. Its unit is ohm (Ω). The value that indicates this resistance by unit volume (1 cm x 1 cm x 1 cm) is volume resistivity and its unit is ohm centimeter (Ωcm). ML-5020BW...
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This single phase is used as a 100 V power supply for electric lamps and plug sockets. Surge Abnormal overvoltage or overcurrent applied momentarily to the electric circuit. → P.29 Work distance Distance from the laser light output position to the target workpiece for laser processing. ML-5020BW...
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