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Troubleshooting

Chapter

‎

MN049 / v1.0.0

3-Axis Subsystem AS-50 for Laser Beam Deflection

TROUBLESHOOTING

Warning:

The laser beam can cause severe injury to the eyes and the skin.



Never look directly or indirectly into the laser beam during troubleshooting.



Do not disable any safety precautions to protect against laser radiation.



Wear protective clothing and/or goggles appropriate for the relevant laser

class.

In case of malfunctions, check whether the symptom and a possible remedy are included in
the following checklist.

Problem

Possible cause and remedy

Poor marking
quality

Defective power supply

Incorrect marking parameters

Marking quality
has deteriorated

Dirty optical
system



page 23, Instructions for cleaning protection windows



page 23, Instructions for cleaning focusing lenses and mirrors

Laser power
decreasing

The RAYLASE "weldMARK

™

" marking software can compen-

sate for a loss of laser power.
Menu: System > Global adjustments

Marking parameters changed

Beam expander changed

Laser spot
changed

Dirty optical
system



page 23, Instructions for cleaning protection windows

Dirty or dam-
aged mirrors



page 23, Instructions for cleaning focusing lenses and mirrors

Send deflection unit in for repair

Laser system out of adjustment

No laser beam,
although pro-
cess started
from PC.

Beam path
blocked.

Remove protective cover from beam input and/or output

Fault in laser drive

Fault in laser system

The deflection
unit only de-
flects the laser
beam in one
direction or not
at all.

Data cable defective

X and Y axis
reversed

Incorrect cabling

If the fault cannot be resolved, contact RAYLASE Customer Service for further assistance.

Содержание AXIALSCAN-50

Страница 1: ...3 Axis Subsystem AS for Laser Beam Deflection AXIALSCAN 50 ...

Страница 2: ...the infor mation contained therein without prior notice The software included in the product and this manual itself are protected by copyright All rights are reserved Duplication of this manual in whole or in part particularly by photocopy ing scanning or imaging and reproduction by any means are forbidden without the prior writ ten consent of RAYLASE ...

Страница 3: ...RIPTION 12 4 1 Subsystem 12 4 2 Functional principle 13 4 3 Protection window 14 4 4 Interfaces of the subsystem 15 4 4 1 Digital Interface 15 4 4 2 Power supply 15 5 INSTALLATION 16 5 1 Mount subsystem 17 5 2 Checking the beam coupling 17 5 2 1 Preparation 17 5 2 2 Checking procedure 18 5 2 3 Assembly 19 5 3 Adjustment Procedure 20 5 3 1 Preparation 20 5 3 2 Adjusting the field size 21 6 CLEANING...

Страница 4: ...gns may not be removed Signs that have become illegible must be replaced The rating plates and the identification codes printed on them can be used to determine the type of the subsystem page 11 Rating plate code The serial number and the item number are also used to identify the subsystem The ground symbol identifies the ground connection on the subsystem This connection can be connected to the l...

Страница 5: ...on is in the visible spectrum from 400nm to 700nm Short term exposure up to 0 25s is not dangerous to the eyes as long as the cross section is not re duced by optical instruments magnifying glasses lenses telescopes Additional radiation components outside the wavelength range from 400nm 700nm meet the requirements for class 1M 3R The accessible laser radiation is in a wavelength range of 302 5nm t...

Страница 6: ...exposed to the radiation as a result Note that even apparently diffuse surfaces can reflect laser radiation and a laser beam that has been reflected several times can still be dangerous The laser area must be indicated by corresponding warning signs or lamps and protected by appropriate shading and interlock switches No flammable or explosive objects or liquids should be located in the laser area ...

Страница 7: ...on on qualified and safe handling of the subsystem You should therefore familiarize yourself with the content of this manual before using the subsystem for the first time In case of any queries please contact RAYLASE The operating manual must be accessible to anyone who will be involved in developing in stalling or using a laser device featuring the RAYLASE subsystem If the subsystem is sold on th...

Страница 8: ...d Driver for RAYLASE control cards Software RAYLASE weldMARK or customer specific software PC Laser System Power Supply RAYLASE Subsystem RAYLASE RLC USB unit PC Laser system USB port Power Supply RAYLASE Subsystem Driver for RAYLASE control cards Software RAYLASE weldMARK or customer specific software RS232 PC RAYLASE SP ICE control card Stand alone hardware Laser system RAYLASE Subsystem Driver ...

Страница 9: ...fied cleaning of the optical areas Note No implicit guarantee or warranty of suitability for specific purposes has been made RAYLASE is not responsible for damages arising from use of the product Individual assemblies or other assemblies manufactured by RAYLASE may be subject to separate warranty conditions Refer to the corresponding manuals for further information 2 5 Manufacturer RAYLASE AG Arge...

Страница 10: ...of the deflection unit LED arrangement Name Color Meaning D1 red CLK error Data transmission faulty Cable defective D2 red Parity error Z D3 not used D4 green Temp status Z Temperature status availa ble if LEDs are lit D5 not used D6 orange New data Z New data is being trans ferred if status LEDs are lit D7 not used D8 red Error Z Galvanometer scanner or driver electronics defective Power supply d...

Страница 11: ...ives The subsystem conforms to the requirements of the following directives EU Directive 2004 108 EG or German law on electromagnetic compatibility EMVG EU Directive 2002 95 EC or German law on electrical equipment ElektroG For details of conformity with other directives contact RAYLASE 3 2 Rating plate code The subsystem is equipped with rating plates The following type designation is used in the...

Страница 12: ...ted with one or two focusing lenses An additional lens with linear movement allows the focusing length to be adjusted In these systems the lens with linear movement is moved within a small range by a galva nometer unit This so called linear translator allows the focusing length to be adjusted to the relevant deflection angle of the deflection unit Compared to an F Theta lens this provides a relati...

Страница 13: ...put 6 Galvanometer scanner with mirror 7 Operating field 8 Power supply of subsystem 9 Digital interface of deflection unit 10 Input coolant 11 Output coolant 12 Status LEDs Important information When connecting the water cooling make sure that no coolant gets into the subsystem The units are not waterproof and liquids can damage both the optical system and the electronics Fig 3 Functional descrip...

Страница 14: ...g Installation instructions o Before installation check the protection window for dirt scratches or cracks If the protection window is dirty it must be cleaned page 23 Instructions for cleaning protection windows If the protection window is scratched or cracked it must be replaced o Screw the protection window and mount into the beam output on the deflection unit until it is positioned securely Fi...

Страница 15: ...14 PCH 6 XCH 15 Status2 7 YCH 16 Status2 8 YCH 17 GND 9 ZCH I Diff Input nc not connected O Diff Output Specifications Diff Input Diff Input Diff Output Diff Output Input voltage 5V Output low max 0 6V max 40mA Input threshold 200mV Output high min 2V 50Ω max 40mA Hysteresis typ 45mV ESD protection 10kV Input impedance 120Ω ESD protection 15kV 4 4 2 Power supply The 6 pin EPIC connector provides t...

Страница 16: ... an appropriate working chamber If this is not possible appropriate protective measures for the laser class must be implemented The mirrors in the deflection unit must move freely after installation of the deflection unit No components of the laser device may protrude into the deflection unit The laser device must be of sufficient quality that the laser beam can only be emitted at the beam output ...

Страница 17: ... screws Note The subsystem may only be installed using the pins and screws specified by RAYLASE Follow the installation drawing supplied 5 2 Checking the beam coupling 5 2 1 Preparation In order to be able to check the beam coupling all components located in the beam path must be removed Take note of the following steps o Remove the Focusing lens 1 o Open the cover 2 o Mark the position of linear ...

Страница 18: ...ial to the linear translator If this is not the case the input point and if necessary the input angle of the laser beam must be adjusted as described below Warning The laser beam can cause severe injury to the eyes and the skin Make sure that all personnel in the laser area are wearing appropriate protective goggles and if necessary protective clothing Fig 6 Checking the beam coupling ...

Страница 19: ...the lens holder in its slot o Turn on the laser at low power for just long enough for a clearly visible effect to appear on the thermo transfer paper o Check the beam diameter It must be smaller than the input aperture specified in the data sheet If the beam diameter at the beam output is greater than that measured at the beam input this indicates excessive divergence of the laser beam In this cas...

Страница 20: ...ired operating field size Make sure that you use the following identification code The following identification code is used for AXIALSCAN 50 type subsystems Type AS 50 AXIALSCAN 5ß Aperture mm Coating code Wavelength nm Laser Y 1064 Nd YAG C 10600 CO2 Field size range min max Type st standard Operating field size XX XX XX_XXXX XXXXxxx_XXXX gcd o Create all electrical connections for the power sup...

Страница 21: ...beam can cause severe injury to the eyes and the skin Make sure that all personnel in the laser area are wearing appropriate protective goggles and if necessary protective clothing o Place a target of the same size as the operating field at the specified working distance from the deflection unit o In turn use the laser to mark a square in the center of the field and at one corner o Check that the ...

Страница 22: ...hed on Dirty optical surfaces result in increased absorption of the laser radiation This can cause the dirt to heat up sufficiently for it to burn into the optical surfaces and permanently damage them The following circumstances can cause increased accumulation of dirt The ambient atmosphere is contaminated with dirt grease or other particles Vapors and particles are produced while working Talking...

Страница 23: ...for cleaning focusing lenses and mirrors Warning The laser beam can cause severe injury to the eyes and the skin Before clean ing make sure that the laser device is switched off and secured against acci dentally being switched on The optical surfaces are extremely sensitive and may only be cleaned by experienced per sonnel The procedure for cleaning the focusing lenses in the linear translator is ...

Страница 24: ... in structions below Damage to anti reflex coating Possible causes Coating coming into contact with water acids or alkalis Mechanical damage due to improper cleaning or handling Action Pack the optical elements in an airtight sealed plastic container Return the container to your supplier The supplier is responsible for professional disposal of the material Damage to optical element Possible causes...

Страница 25: ... with a damp cloth and pack the cleaning cloths in a sealed plastic container Return the containers to your supplier The supplier is responsible for professional disposal of the material Warning Because of the risks outlined zinc selenide optical elements must be cleaned with special care and is performed entirely at your own risk ...

Страница 26: ...is Subsystem AS 50 for Laser Beam Deflection MN049 v1 0 0 7 MAINTENANCE The subsystem does not contain any user serviceable parts Repairs may only be carried out by RAYLASE as special know how and comprehensive testing methods are required ...

Страница 27: ...cleaning protection windows page 23 Instructions for cleaning focusing lenses and mirrors Laser power decreasing The RAYLASE weldMARK marking software can compen sate for a loss of laser power Menu System Global adjustments Marking parameters changed Beam expander changed Laser spot changed Dirty optical system page 23 Instructions for cleaning protection windows Dirty or dam aged mirrors page 23 ...

Страница 28: ...Service 9 Customer Support 9 D Digital Interface 14 E Earth symbol 4 F Functional description 11 Functional principle 12 I Identification code 10 Installation 15 L Laser area 6 Laser safety 4 M Maintenance 25 Manufacturer 9 Module overview 8 Mounting 16 P Package contents 7 Power supply 14 Protection window 13 S Safety instructions 4 Seal label 4 Shutter 4 Signs 4 Subsystem 11 T Technical data 10 ...

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