Au3Tech ACutter A230E Manuel utilisateur

A230E 3000W Electric Fiber Laser

Cutting Head User Manual

Version V1.0

WUHAN AU3TECH TRADING CO., LTD

www.au3laser.com

Tel：027-82726630

Fax: ：027-82726630

Daijiashan Technology Park,

No.888 Hanhuang Road.

info@au3tech.com

 
 
CONTENT 
ABSTRACT ...........................................................................................................................................2
KEY POINTS............................................................................................................................................................... 2 
READER OBJECTS...................................................................................................................................................... 2 
MODIFICATION RECORDS......................................................................................................................................... 2 
INTRODUCTION................................................................................................................................3
PRODUCT HIGHLIGHTS ............................................................................................................................................. 3 
STRUCTURE................................................................................................................................................................ 3 
PRODUCT CONFIGURATION ...........................................................................................................5
TECHNICAL PARAMETERS ......................................................................................................................................... 5 
CONFIGURATION LIST............................................................................................................................................... 5 
THE APPEARANCE OF A230E ELECTRIC FIBER LASER CUTTING HEAD.................................................................... 6 
INSTALLATION OF MECHANICAL PARTS ......................................................................................7
INSTALLATION OF MAIN PARTS................................................................................................................................. 7 
INSTALLATION OF WATER COOLING........................................................................................................................ 8 
INSTALLATION OF GAS CIRCUIT................................................................................................................................ 9 
FIBER SOCKET ..........................................................................................................................................................10 
THE INSERTION AND LOCKING OF QBH FIBER ......................................................................................................10 
INSTALLATION OF ELECTRICITY AND GAS ..............................................................................................................11 
THE CENTERING AND ADJUSTMENT OF LASER BEAM ............................................................ 13 
THE CENTERING OF LASER BEAM ............................................................................................................................13 
FOCUS ADJUSTMENT.................................................................................................................................................14 
CARE AND MAINTENANCE............................................................................................................ 15 
OPTICAL LENS CLEANING ........................................................................................................................................16 
DISASSEMBLY AND INSTALLATION OF OPTICAL LENS: ............................................................................................17 
REPLACEMENT OF CAPACITIVE NOZZLE BODY.......................................................................................................21 
COLLIMATE LENS UNIT AND FOCUS LENS UNIT OF A230E ELECTRIC FIBER LASER CUTTING HEAD. ....................22 
 
 
 

2/ 22

Abstract

Key points

This user manual contains basic installation, factory settings, operation, maintenance

instructions and other descriptions of A230E fiber laser cutting head. Since mechanical parts

are too many, this manual will only introduce the main units.

A230E electric fiber laser cutting head, German brand A-cutter series, is designed for

laser power within 3000W, which is a wonderful solution for medium power of laser flat auto

focus cutting when working with motion control card MCC series and cutting software SC

series.

Reader Objects

This document mainly is applicable to the following personnel:

⚫Installation engineers

⚫Maintenance engineers

⚫Operators

Modification Records

Modification records accumulate the descriptions of the updating of the document. The

latest version includes the updating contents of previous versions.

Version V1.0 of Document (May, 2022)

Initial release.

3/ 22

Introduction

This user manual contains basic installation, factory settings, operation, maintenance instructions

and other descriptions of A230E fiber laser cutting head. Since mechanical parts are too many, this

manual will only introduce the main units.

A230E electric fiber laser cutting head was designed for flat cutting within 3000W by German

brand A-cutter in 2022. With motor driver unit inside, the position of focus lens unit in z axis can be

adjust automatically in the range of 24mm, so user can set “continues focus adjustment”in the cutting

software to accelerate the thick metal plate cutting speed and cut different metal plat with different

thickness and kind. With optical lens group in D30 and multi-interfaces design, A230E fiber laser

cutting head can be matched with different types of fiber laser sources. It’s much more stable during

longtime working in high laser power with its optimized optical system and water cooling system.

Product highlights

⚫A230E electric fiber laser cutting head has been integrated with the controlling unit for

adjusting the focus lens unit’s position in z axis. By interacting and controlling marshalling

with laser cutting controlling system, it largely reduced the system’s complexity and the

difficulty of installation and debugging.

⚫Adapting with light alloy materials and compact structure design, A230E electric fiber laser

cutting head has only 68mm in length and 3.5KG in weight, which has largely reduced the

load-bearing demands on the transom of the laser cutting machine so it can be used more

widespread.

⚫By working with SC series fiber laser cutting system, A230E can realize high speed drilling

and auto adjust different types of cutting parameters that have been set in the cutting software

in advance. Cutting software can monitor the focus position in real time. It also supports

manual adjustment to achieve the perfect cutting performance.

Structure

From figure 1, we can see that A230E fiber laser cutting head contains six basic units: QBH

interface, collimate unit, focus unit, protection unit, nozzle tips unit and motor driver unit.

4/ 22

Figure 1. The structure of A230E electric fiber laser cutting head.

⚫Fiber socket: Connect with fiber laser source.

⚫Collimate unit: turn the incident laser beam into parallel beam，which can be adjust for

centering the laser beam.

⚫Focus unit: turn the parallel beam into gathered beam with high energy, and adjust the focus

position in real time by regulating the focus unit.

⚫Protective unit: avoid the focus lens being polluted by the dust from the surface of the metal

sheet and by the metal dregs produced during cutting which can increase the service life of

focus lens.

⚫Nozzle tips unit: lead the gathered beam into the meal sheet and at the same time jet out

high-speed gas flow to make sure the perfect cutting quality.

⚫Motor driver unit: adjust the position of focus lens unit in z axis.

5/ 22

Product configuration

A230E electric fiber laser cutting head was designed for flat cutting within 3000W, its

standard configuration is: A230E-Z100-F125/ A230E-Z100-F150.

Technical parameters

Parameter name

Parameter

Max Power

3000W

Fiber Socket

QBH

Focus Lens

Dia=30mm，F=125mm/150mm

Collimate Lens

Dia=30mm，F=100mm

27mm

Laser Wavelength

1064nm

Head Weight

≤3.5kg

Head Max Dia.

77mm

Nozzle Tip Diameter

1mm-4mm

X-Y Adjust

±1mm

Z Adjust

-12mm~+12mm

Configuration list

Name

Quantity

A230E Cutting head

1 pcs

Nozzle tip(Backup)

2 pcs

Protective windows(Backup)

1 pcs

PS: The list is our standard configuration.

6/ 22

The appearance of A230E electric fiber laser cutting head.

Figure 2. The appearance of A230E electric fiber laser cutting head.

7/ 22

Installation of mechanical parts

Installation of main parts

The size of installation hole of A230E showed as figure 3. Please make sure the fiber

laser cutting head is perpendicular to the metal sheet when installing and at the same time to

makesure the cutting head has been lockedstably onthecutting machine for getting a stable

cutting quality.

Figure 3. The size and position of installation hole of A230E fiber laser cutting head.

PS: The Z axis motor’s slide table for fixing the cutting head must be conducted with the

cutting machine and must be in ground connection properly.

8/ 22

Installation of Water cooling

A230E electric fiber laser cutting head has two water cooling circuits, you could self-configure the

direction of water in and out. Kindly suggest you to use water cooling once the laser power is above

500w. The position and quantity of water cooling interface showed as below (Figure 4). The water

cooling interface is a closed-loop design, but the cooling water can also be provided from the external

and must be following the instructions showed as below:

Figure 4. The interface of water cooling of A230E electric fiber laser cutting head.

Parameters

Value

The outside diameters of water-cooling tube

6mm±0.1mm

The minimum water velocity

1.8L/min（0.48gpm）

The water pressure of inlet

170-520kPa(30-60 psi)

The temperature of inlet

≥room temperature/＞dew point

Hardness（compare with CaCO3）

＜250mg/liter

PH range

6 to 8

The size of particulate that allowed passing

Dia<200 μm

9/ 22

Installation of gas circuit

The dregs like hydrocarbon and vapor contained in the cutting gas will damage the optical lens,

and fluctuate the power of gathered laser beam which will result in the differences of the cutting section

from the up to the bottom. Here are the suggested cutting gas and its purity (Figure 5). The higher the

gas purity is, the better the cutting quality of section will be.

The dregs can be filtered in the gas providing pipes while O2 and vapor can easily enter into the

optical system by permeating nonmetal parts, which is the reason why dust and hydrocarbon appear

inside the cutting head. So we kindly suggest you to use accessories in stainless steel and to use

purifier that can filter particulate minimum in 0.01 μm. And suggest you to use diaphragm pressure

gage in stainless steel, if you use diaphragm pressure gage in rubber, once the rubber aged, it can

easily react with the air inhaled by the industrial pressure gage and generate hydrocarbon. A230E

fiber laser cutting head has 1 cutting gas circuit, the outside diameter of gas pipe is 10mm. (Figure 5)

Figure 5. The interface of cutting gas of A230E electric fiber laser cutting head.

Type of gas

Purity

99.95%

99.99%

Air

99.998%

PS: Please don’t change the gas connector randomly, especially don’t use PTFE tape to

seal the gas connector or it may block the gas circuit thus affect the cutting quality and

damage the cutting head.

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