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V1.0 Shanghai Empower Technologies Co., Ltd. © Copy Right

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BM111 SERIES 3KW Auto-Focusing Laser Cutting Heads User Manual

7 | 28

2.3

Cutting Head Shape

2.4

Cutting Head Configuration Diagram

2.4.1

Interface Type

In

te

rf

ace

Ty

p

e

QBH-100mm

Fig 2.1 – Cutting head shape of BM111

Cable interface

QBH interface

Water-cooled
interface

Cutting gas
interface

Protective Lens

X-Y adjust

Nozzle-cooled
gas interface

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Summary of Contents for BM111 Series

Page 1: ...BM111 SERIES 3KW Auto Focusing Laser Cutting Heads User Manual Hotline 400 670 1510 Email sales empower cn Add 1500xinfei Road No 72 Shanghai China ...

Page 2: ...roducts This manual makes a detail introduction about the use of BM111 series auto focusing laser cutting heads including installation operation and maintenance instructions etc If you have other things need to know please contact us directly Please read the manual carefully before using the series cutting heads This will help you use it better Due to the continuous updating of product features pl...

Page 3: ...us length 8 3 Mechanical Installation 9 3 1 Mounting Holes 9 3 2 Connection of Water Pipe and Gas Pipe 9 3 2 1 Water cooled interface 9 3 2 2 Assist gas interface 10 3 3 Connection of Cutting Head Cable 11 3 3 1 Connection of Cutting Head and Cable 11 3 3 2 Connection of Cable and Driver 12 3 4 Fiber Input Interface 12 3 5 Fiber Insertion and Interface Direction Adjustment 13 4 ETC_F100 Installati...

Page 4: ...g Lens 21 6 2 Removal and Installation of Lens 21 6 2 1 Removal and Installation of Protective Lens 22 6 2 2 Removal and Installation of Collimating Lens 22 6 2 3 Removal and Installation of Focusing Lens 23 6 3 Replace Nozzle Connection Assembly 25 6 3 1 Replace Ceramic Structure 25 6 3 2 Replace Nozzle 26 6 4 Fault Analysis of ETC_F100 26 6 4 1 Alarm Information 26 6 4 2 Common Problems Analysis...

Page 5: ...ipped with D30 composite lens groups to integrate the beam Diversified interface configurations can be adapted to a variety of fiber lasers optimized optical and water cooled design allows the laser heads work under high power for a long time continuously and steadily 1 1 Product Features Optimized optical configuration and smooth and efficient airflow design Automatic focusing range 10 12mm adjus...

Page 6: ...s position is adjusted by the driving device automatically Protective lens module The protective lens protects the focusing lens from damage by the returning slag and prolongs the service life of the focusing lens Nozzle module Guide the focus beam to the work piece and produce high velocity jet cutting to achieve high quality cutting Fig 1 laser head structure Collimating module Focusing driver m...

Page 7: ...uct Configuration 2 1 Configuration Type Code Fiber interface type Collimating lens type Focus lens type BM111A01A QBH 100YYH 125YYH BM111A02A QBH 100YYH 155YYH 2 2 Packing List Name Quantity Laser cutting head 1 Driver 1 Controller 1 Power cable 1 Encoder cable 1 Control cable 1 Note The above form is only for standard factory configuration ...

Page 8: ... Cutting Heads User Manual 7 28 2 3 Cutting Head Shape 2 4 Cutting Head Configuration Diagram 2 4 1 Interface Type Interface Type QBH 100mm Fig 2 1 Cutting head shape of BM111 Cable interface QBH interface Water cooled interface Cutting gas interface Protective Lens X Y adjust Nozzle cooled gas interface ...

Page 9: ...Copy Right www empower cn BM111 SERIES 3KW Auto Focusing Laser Cutting Heads User Manual 8 28 2 4 2 Focus length Focus Length 125mm FL 155mm FL MODE BM111001A BM111002A CL mm 100 FL mm 125 155 H mm 393 417 8 Weight KG 6 28 6 3 Spacer parallel H ...

Page 10: ...able cutting effect Note The Z axis motor slide plate for fixing the laser cutting head should be connected with machine tools and make sure there is a good grounding 3 2 Connection of Water Pipe and Gas Pipe 3 2 1 Water cooled interface BM111 laser cutting head has 2 sets of water cooled channels the direction of water entry and exit can be arranged arbitrarily It is important to note that when t...

Page 11: ...ties in cutting gas such as hydrocarbons and water vapor can damage the lens and cause laser power fluctuation as well as inconsistencies between the sections of the work piece The following table is the recommended cutting gas specifications The higher the purity of the gas the better the quality of the cutting section Impurities can be filtered out in gas supply tube but Oxygen and water vapor c...

Page 12: ...ly do not use PTFE TAPE Otherwise the gas path will be blocked the normal cutting will not be possible and the laser head parts will be damaged at the same time 3 3 Connection of Cutting Head Cable 3 3 1 Connection of Cutting Head and Cable Connect the corresponding connector of cutting head with motor power cable encoder cable sensor cable respectively as shown in figure 3 3 After the proper leng...

Page 13: ...e connection between the end of the fiber and the cutting head is called fiber interface Commonly used fiber connectors include QBH QD and so on and every fiber interface has its unique fixation method Please refer to corresponding instruction of fiber interface Figure 5 shows the installation interface of QBH connector Note The optical devices must be kept clean and all dust must be removed befor...

Page 14: ... straight to bottom Then turn the QBH handwheel clockwise It is in place when you hear the Da sound then pull the handwheel up and turn clockwise again see Figure 3 4 When the fiber interface insert into the QBH connector the red point on fiber is too far away from the red point on laser head interface causing an out of alignment insertion users can refer to these steps below to adjust the positio...

Page 15: ...es CON3 Interface to 24V DC power supply CON4 Interface to connect external IO devices 2 Signal Pin signals of the CON1 Interface Pin Description 1 OUT_Servo_DA Drive speed command 2 Servo_TGON Drive brake signal 3 Servo_CLR Drive alarm clear signal 4 Servo_OS Drive zero speed clamp used to control motor lock shaft 5 PGND Power ground 6 E1_A_N Encoder A negative 7 E1_B_N Encoder B negative 8 E1_C_...

Page 16: ... include focus set input focus feedback output Focus set input The input signal of setting the focus height analog Focus feedback output Output the current focus height analog Clasp brake Brake signal cable of the brake function motor the negative pole is connected to the negative pole of the power supply ETC F100 comes with internal relay which can be connected with brake cable directly Note N A ...

Page 17: ...input signal active low Upper limit The upper limit of the input signal active low Note N A is an interface without definition please leave it blank The above table shows the ETC F100 controller only for factory default settings To adapt the external circuit there is a jumper cap inside the ETC_F100 to select the active low or active high input signal The output signal is selected active low or ac...

Page 18: ...V1 0 Shanghai Empower Technologies Co Ltd Copy Right www empower cn BM111 SERIES 3KW Auto Focusing Laser Cutting Heads User Manual 17 28 4 2 Wiring Fig 4 1 ETC_F100 Wiring Instructions ...

Page 19: ...V1 0 Shanghai Empower Technologies Co Ltd Copy Right www empower cn BM111 SERIES 3KW Auto Focusing Laser Cutting Heads User Manual 18 28 4 3 ETC_F100 Dimensions Fig 4 2 ETC_F100 Dimensions Unit mm ...

Page 20: ...n The adjusting screws are located on the top of the cutting head as shown in Figure 5 1 By using inner hexagon spanner users can loosen or tighten the adjusting screw until the beam spot is located in the center of nozzle Make sure the laser beam output from the center of nozzle A method commonly used tape dotting method Pick a scotch tape flatten it and stick it to the nozzle end face Open the i...

Page 21: ... details about operating system parameters please refer to the system instructions Manual dotting can refer to the following steps 1 The laser head scale is displayed to the maximum and the laser power range is set to 80 100w 2 Then within each moving 0 5mm as small as possible activate the laser to make a hole in the textured paper 3 Dotting several times finally compare and find out the scale co...

Page 22: ...nger wear the finger sleeves 2 Spray ethanol onto the polyester fibers cotton stick 3 Hold the slide edge of the lens with left thumb and forefinger gently note avoid the fingertip touching the surface of the lens 4 Put the lens in front of eyes hold the polyester fibers cotton stick with the right hand Wipe the lens gently in single direction from bottom to top or from left to right Should not be...

Page 23: ...ealing ring The elastic sealing ring should be replaced if damaged Install the new cleaned lens Regardless of the front or back side into the drawer type lens mount Put the pressure ring of the protective lens back Insert the protective lens mount back to the laser cutting head and tighten the locking screws Note Do not directly pull the edge of the elastic sealing ring out so that it is easy to d...

Page 24: ...ng lens components in sequence Note that the spring pressure ring is tightened properly and re screwed into the collimating component Tighten the locking screws of collimating component Check the focus position is at the center of the nozzle or not before using if not the position should be reset 6 2 3 Removal and Installation of Focusing Lens Removal and installation of focus lens refer to the st...

Page 25: ...ens with a lens removing tool Replace or clean the focusing lens As the direction shown in figure 6 7 put the focusing lens and the spring pressure ring in the lens mount carefully and tighten the pressure ring properly Fig 6 5 Remove the protective lens and the nozzle component Laser head body Slag Block plate Protective lens module Nozzle module M4 screws M4 screws M4 screws Fig 6 6 Remove and i...

Page 26: ...ection Assembly During the laser cutting the laser head will inevitably be hit so users need to replace the nozzle connector 6 3 1 Replace Ceramic Structure Unscrew the nozzle Hand pressing the ceramic structure so that it is not skewed and then unscrew the pressure sleeve Align the pinhole of the new ceramic structure with the 2 locating pins and press the ceramic structure by hand then screw the...

Page 27: ...ly this possibility is extremely small The limit signal is disturbed At this time the corresponding limit signal may flicker in the function test especially after the motor is enabled The ETC F100 and the 24VDC limit signal can be independently powered A power filter is needed for the 220V AC of the Servo driver and to ensure that the ground wire grounding well 2 Zero returning Alarm After the sys...

Page 28: ...ear the upper limit The dial position near the upper limit about 1mm this error will occur in servo calibration In this condition please move the dial to the middle of the stroke more than 1mm and then take the servo calibration 2 The screen is abnormal displayed The external interference may cause the screen to display abnormally please reboot the ETC F100 when this abnormality occurs 3 Z axis co...

Page 29: ...connected to the corresponding input port if the corresponding number is inverted then the board is normal After ensure the board is normal access the input signal If the number is jittering the input signal may be unstable Please make sure that the 24V power of the input signal is in common ground with the ETC F100 power supply and then remove the interference and test again If the number is not ...

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