Raytools BM111 Series User manual

BM111 SERIES
3KW Auto-Focusing Laser Cutting Heads User Manual
Hotline: [phone]
Email: [e-mail]
Add: 1500xinfei Road No.72, Shanghai, China

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Historical Version：
Historical
Version
Date of
Relase
Brief description of
alteration
Editor
Date of
Edit
Reviewer
Date of
Review
V1.0
2017/12/22
Establish BM111 User
Manual
Luyuan
2017/12/19
Alex Li
2017/12/22
Thank you for choosing our products!
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, please note the product you have
received may differ in some aspects from the illustrations in this manual. We apologize for the
inconvenience to you.
Version：
V1.0
Date：
2017/12/22

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Index
1Introduction ............................................................................................................................. 4
1.1 Product Features ...................................................................................................................4
1.2 Structure & Function .............................................................................................................4
2Product Configuration..............................................................................................................6
2.1 Configuration Type ................................................................................................................6
2.2 Packing List ............................................................................................................................6
2.3 Cutting Head Shape...............................................................................................................7
2.4 Cutting Head Configuration Diagram ....................................................................................7
2.4.1 Interface Type.......................................................................................................7
2.4.2 Focus length .........................................................................................................8
3Mechanical 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
3.5Fiber Insertion and Interface Direction Adjustment ...........................................................13
4ETC_F100 Installation.............................................................................................................14
4.1 Interface and Signal.............................................................................................................14
4.2 Wiring ................................................................................................................................17
4.3 ETC_F100 Dimensions .........................................................................................................18
5Adjustment of Beam Center and Focus Position ...................................................................19
5.1 Beam Center Position Adjustment (QBH interface) ............................................................19

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5.2 Beam Focus position Adjustment........................................................................................20
6Maintenance.......................................................................................................................... 21
6.1 Cleaning 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...............................................................................27

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1Introduction
This manual includes the general description, basic installation, factory settings, operation and
maintenance services and other aspects of BM111 series products, which have too many optical
and mechanical customization configurations, so only the main parts will be introduced in this
manual.
The BM111 series laser heads are auto-focusing cutting heads for fiber laser, which are
released by Switzerland RAYTOOLS AG in 2017. The products are equipped with internal servo
motor drive units, which use the linear mechanism to drive the focusing lens to change position in
the range of about 22mm automatically. Users can use the program settings to achieve continuous
adjustment of the focus position to complete the rapid perforation of thick plates and automatic
cutting of different thickness, material plates. The products can be equipped 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, adjustment accuracy 0.05mm;
Equipped with D30 composite lens groups, the maximum fiber power is up to 3KW;
Maximum acceleration of focus lens driver 10m / s2, maximum speed 10m / min;
The drawer-type of lens mount makes the replacement of protective lens more quickly and
easier;
The composite lens groups are used for beam collimating and focusing to obtain the best
optical quality and cutting effect;
Equipped with QBH, QD and other fiber interfaces can match with various fiber lasers.
1.2 Structure & Function
As shown in Figure 1, the laser head consists of four basic units, such as collimating module,
focusing driver module, protective lens module and nozzle module.
Collimating module: Can collimate the incident laser into a parallel beam and adjust the beam
spot from the center of the nozzle;

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Focusing driver module: The collimating beam is focused into a small beam spot which has high
power density, and the focus 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 module
Protective Lens module
Nozzle module
QBH interface

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2Product 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.

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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

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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

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3Mechanical Installation
3.1 Mounting Holes
The mounting holes size and position of the BM111 laser cutting head are shown in Figure 3.1,
which can be used to fix the laser head and machine tool. We strongly recommend customers to
install the laser head perpendicular to the process material surface as requested and make sure the
laser head is locked, this is one of the preconditions to ensure the follow-up stable 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 the laser power is greater than 500
watt, we recommend users to use water-cooled. As you can see from Figure 3.2, the position and
quantity of the water interfaces, and the table below details the recommended water flow rate.
The design of this water-cooled interface is closed loop water-cooled system, and it also can be
Fig 3.1 - mounting holes position