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5.1 Safety notes

5 - 40

© Precitec GmbH & Co. KG • EN 09/2019

5

Maintenance

5.1

Safety notes

General safety regulations

We assume that you know and observe the following generally accepted
safety regulations:

• VDE

Regulations, especially VDE 0100/ 0837

• BGV A1

General regulations

• BGV A3

Electrical systems and equipment

• BGV B2

Laser radiation accident prevention regulations

Personnel requirements

Any repair work and any work relating to troubleshooting require special
knowledge and must only be carried out by trained specialist staff. Precitec
shall not be liable for any damage caused by not complying with or having
insufficient knowledge about the information contained in the operating
instructions.

Specialist staff must be instructed in accordance with the regulations and
safety notes and informed of potentially hazardous situations.
In addition to this, the machine manufacturer's regulations must be observed.
The prescribed protective equipment must be used.

Precitec does not assume any liability for damage caused by improper
maintenance or improper intervention from unauthorised individuals.

Caution – Dangerous electrical voltage!

The system must be switched off and protected against being switched on
again before carrying out any maintenance or repair work on the laser head.

Caution – Danger of crushing!

During all maintenance and repair work, no hands or other body parts should
be in the proximity of the linear drive or under the laser head.

Caution – Laser beam!

The machine must be switched off before carrying out any maintenance or
repair work on the laser head. During commissioning the machine may operate
in

laser class 4

:

• Avoid radiation to eyes or skin caused by direct or scattered radiation.
• Do not look directly at the laser beam even using optical instruments.
• Use laser goggles complying with DIN EN 207 and BGV B2 that are

designed for the wavelength of the connected laser.

Attention – Sensitive optics!

Dust and firmly adhering dirt can lead to burn marks on the optics or damage
them. Therefore, only touch the non-sensitive parts on the optical components.

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Содержание Lasermatic LightCutter

Страница 1: ...Precitec GmbH Co KG EN 09 2019 D 159195 LightCutter Lasermatic Cutting head for fibre coupled lasers Operating Instructions...

Страница 2: ...tten permission of Precitec We reserve the right to change technical details of the descriptions information and illustrations in this documentation All in Light Lasermatic LaserPathFinder LWM the Pre...

Страница 3: ...ec GmbH Co KG EN 09 2019 iii Document History Date Chapter page Topic revision action taken 08 2017 revision technical data 01 2018 revision versions 05 2018 revision nozzle electrodes 11 2018 revisio...

Страница 4: ...Notes LightCutter iv Precitec GmbH Co KG EN 09 2019 D 159195 Notes...

Страница 5: ...7 Storage and transport 1 7 1 8 What to do in emergency situations 1 7 2 Product description 2 8 2 1 Product overall view 2 8 2 1 1 Design and functions 2 9 2 1 2 Distance controller 2 10 2 1 3 Prote...

Страница 6: ...gas system trained personnel only 3 31 3 4 2 Connecting the cooling water system trained personnel only 3 32 3 4 3 Connecting the distance sensor system trained personnel only 3 33 4 Commissioning 4 3...

Страница 7: ...trained personnel only 6 57 6 2 3 1 Laser head hole pattern 6 57 6 2 3 2 Grounding the laser head 6 58 6 2 3 3 Aligning the sensor insert HF socket sensor system 6 59 6 3 Maintenance 6 60 6 3 1 Repla...

Страница 8: ...3 28 Fig 3 5 Installation Laser head Grounding 3 29 Fig 3 6 Fitting Protective window COL first time installation fibre replacement 3 30 Fig 3 7 Installation Connections Cutting gas 3 31 Fig 3 8 Insta...

Страница 9: ...6 7 Installation Laser head grounding 3D version 6 58 Fig 6 8 Installation Sensor insert Alignment HF socket 3D version 6 59 Fig 6 9 Installation Sensor insert Alignment 4x90 3D version 6 59 Fig 6 10...

Страница 10: ...ailable LightCutter 3D 6 62 Table 7 1 Error analysis Electrical malfunctions 7 63 Table 7 2 Error analysis Mechanical malfunctions 7 64 Table 8 1 Appendix Units Conversion table 8 65 Table 8 2 Appendi...

Страница 11: ...ents that are subject to normal wear and tear and require maintenance or setup work unless expressly stated otherwise in this documentation We cannot accept any warranty claims or liability if unautho...

Страница 12: ...surfaces can result in damage or destruction of electronic components Attention Clean workplace indicates that any work on the product or any fitting or maintenance work must only be carried out in a...

Страница 13: ...her units the whole system must comply with the current EMC Directive so that a general operating permit can be granted 1 4 Basic standards Below you will find a summary of basic German and internatio...

Страница 14: ...ration safety measures Only use the parts supplied or original spare parts and do not connect any other units or cables If it has been decided that safe operation is no longer possible the product uni...

Страница 15: ...erfect condition Any connecting elements such as screws and nuts must be tightened firmly 1 6 4 Risk of injury from laser radiation The laser head does not emit any laser radiation However laser radia...

Страница 16: ...To avoid any corrosion the instructions and maintenance intervals prescribed by the machine manufacturer laser source manufacturer or cooling unit manufacturer must be observed To protect the water c...

Страница 17: ...served by the operator 1 7 Storage and transport To prevent damaging the unit during storage or transport the following basic rules must be observed Keep the storage temperature within the range speci...

Страница 18: ...LC BA oAs oAa 5 2 6 7 3 10 1 9 8 11 2 1 3 10 straight design angled design 4 1 Fibre socket e g QBH 7 Ceramic part KT 2 Collimating module COL 8 Nozzle DE nozzle electrode 3 Adjustment module focal po...

Страница 19: ...l adjustment range is 1 5 mm Focusing lens Focusing lenses with focal lengths from F100 to F200 can be used The maximum clear optical diameter clear aperture is 24 mm Focal position adjustment module...

Страница 20: ...system Lasermatic For distance controlled cutting the laser head is equipped with the capacitive Lasermatic distance sensor system sensor cable max 20 m Together with the other control loop component...

Страница 21: ...ent ranges horizontal 3 mm vertical 8 mm 1 5 mm 5 to 3 mm Installation Threaded holes lateral Pin holes lateral 4 x M6 14 5 mm deep 2 x 4F7 8 mm deep Media connections Cutting gas Water cooling inlet...

Страница 22: ...limator OG COL75 e g QBH 7 Protective window module G1 8 left 2 Collimator OG COL100 e g QBH 8 Ceramic part KT 3 Collimator COL75 e g QBH 9 Nut MU 4 Collimator COL100 e g QBH 10 Nozzle DE nozzle elect...

Страница 23: ...2 4 Straight versions without protective window COL dimensions straight design 2 4 1 Focal lengths 100 125 Fig 2 3 Mechanical dimensions focal lengths 100 125 straight LCutter 13z 10z fc FC100 FC75 3...

Страница 24: ...nsions straight design LightCutter 2 14 Precitec GmbH Co KG EN 09 2019 D 159195 2 4 2 Focal length 150 Fig 2 4 Mechanical dimensions focal length 150 straight LCutter 15z 10z fc FC100 FC75 364 8 389 8...

Страница 25: ...D 159195 Precitec GmbH Co KG EN 09 2019 2 15 2 4 3 Focal length 200 Fig 2 5 Mechanical dimensions focal length 200 straight LCutter 17z 10z fc FC100 FC75 402 2 427 2 Length depends on the fibre socke...

Страница 26: ...mbH Co KG EN 09 2019 D 159195 2 5 Straight versions with protective window COL dimensions straight design 2 5 1 Focal lengths 100 125 Fig 2 6 Mechanical dimensions focal lengths 100 125 straight with...

Страница 27: ...195 Precitec GmbH Co KG EN 09 2019 2 17 2 5 2 Focal length 150 Fig 2 7 Mechanical dimensions focal length 150 straight with OG COL LCutter 16z 10z fc FC100 FC75 365 3 390 3 Length depends on the fibre...

Страница 28: ...straight design LightCutter 2 18 Precitec GmbH Co KG EN 09 2019 D 159195 2 5 3 Focal length 200 Fig 2 8 Mechanical dimensions focal length 200 straight with OG COL LCutter 18z 10z fc FC100 FC75 402 7...

Страница 29: ...019 2 19 2 6 Angled versions dimensions angled design Fig 2 9 Mechanical dimensions angled FC100 FC75 L length LCutter 19z 10z fc Cutting head 90 L R L mm LightCutter F100 125 with FC75 220 6 LightCut...

Страница 30: ...0 Media connections laser head 1 Cutting gas G 1 8 3 BNC connection sensors 2 Water connection M5 2x LC BA oMed 2 3 1 Attention Media connections Please note the connection dimensions and the permitte...

Страница 31: ...apter 6 page 6 51 LightCx3D_oCHL _oCHR 1 3 7 8 9 10 4 2 5 6 6 12 11 8 9 10 1 Protective window cartridge 7 Sensor insert SE F150 2 Focusing unit FF focusing lens 8 Nut MU 3 Collimating unit FC collima...

Страница 32: ...ing optics P0001 000 Q0002 8010 BA005 The adjust box EG8030 is the analysing electronics for the tried and tested Lasermatic sensors The adjust box optionally delivers an analogue control voltage or a...

Страница 33: ...bed protective equipment must be used Precitec does not assume any liability for damage caused by improper installation or improper intervention from unauthorised individuals Caution Dangerous electri...

Страница 34: ...optics collimating and focusing lenses protective window and sensor insert SE pre assembled version as stated on the delivery note Ceramic part KT and nozzle electrode DE Sensor cable Analysing electr...

Страница 35: ...e g LightCutter 100 When fitting check that the protective window is installed and that the beam path has not been opened up 1 Sensor insert SE 3 Nut MU 2 Ceramic part KT 4 Nozzle DE nozzle electrode...

Страница 36: ...ibre when the optics are in a horizontal position 292 1060 01pc Locking area A B 1 Remove the protective film protective cap from the fibre socket 2 Insert the correctly aligned fibre plug into the un...

Страница 37: ...lug fibre socket interface to be sealed We recommend that you use flexible silicone free adhesive tape that removes cleanly without any residue 3 4x 92 1061 QBHo3 o4 Firmly wrap the adhesive tape arou...

Страница 38: ...5 mm deep at the back Two pin holes 4F7 8 mm deep aligned in a diagonal pattern are used to position the unit precisely and in such a way that this position can be reproduced Attention Risk of vibrat...

Страница 39: ...ns and damage to the system caused by moving parts jerky or vibrating guidance of the laser head Fig 3 5 Installation Laser head Grounding threaded holes Make sure that the system and the laser head a...

Страница 40: ...if necessary Attention Clean workplace Only carry out any maintenance and repair work on the laser head in a clean workplace Do not allow dust and dirt to get into the laser head Precitec recommends c...

Страница 41: ...can get into it 1 LC BA oGas G1 8 8 mm deep 1 Cutting gas G 1 8 connection Attention Cutting gas Only clean dry cutting gas can be used Cutting gas quality in compliance with ISO 8573 1 2010 Solid pa...

Страница 42: ...65 The maximum pressure for the cooling water is 5 bar 0 5 MPa A minimum cooling water flow rate of 1 5 l min must be guaranteed The supply lines should have an external internal diameter of 6 4 mm 2...

Страница 43: ...on Connection diagram analysing electronics Connecting the sensor cable SPS 2 1 I O Analysing electronics LC BA oBnc 1 BNC connection 1 label 2 Sensor cable max 20 m Connect the sensor cable 2 to the...

Страница 44: ...ibed protective equipment must be used Precitec does not assume any liability for damage caused by improper setup or improper intervention from unauthorised individuals Caution Dangerous electrical vo...

Страница 45: ...machine manufacturer Prior to commissioning the laser head must be checked to ensure that it is firmly connected and does not have any play When adjusting the laser beam position the system must not...

Страница 46: ...cted laser 3 Trigger a low power laser pulse and judge the penetration in the sample The penetration must be round and in the centre of the nozzle opening If not the lens must be centred 4 Centre alig...

Страница 47: ...nder pressure no cutting gas and the distance controller must be switched off 1 Adjusting screw vertical adjustment 5 mm 3 mm 1 mm 1 size 5 LC BA oTcp Modify the focal position Turn the adjusting scre...

Страница 48: ...r laser pulse and judge the penetration in the sample 3 Change the nozzle standoff distance to find the smallest penetration 4 For the smallest penetration determine the standoff distance d between th...

Страница 49: ...istance is the nominal value to be used by the adjust box EG The standoff distance can only be selected on the adjust box EG8030 if PaSelct is enabled 1 Enable Automatic mode 2 Select nominal distance...

Страница 50: ...protective equipment must be used Precitec does not assume any liability for damage caused by improper maintenance or improper intervention from unauthorised individuals Caution Dangerous electrical...

Страница 51: ...intervals prescribed by the machine manufacturer laser source manufacturer or cooling unit manufacturer must be observed To protect the water cooling circuit stainless steel against electro chemical c...

Страница 52: ...recitec GmbH Co KG EN 09 2019 D 159195 5 3 Maintenance recommendations Fig 5 1 Maintenance Maintenance recommendations Care cleaning Check Replace parts Measure Standoff distance Maintenance cleaning...

Страница 53: ...Clean the ceramic part 2 replace if necessary Note When replacing the ceramic part KT the supplied O ring 26 00 x 1 50 Viton must be replaced too The nozzle and the nut must only be tightened by hand...

Страница 54: ...idge If no second protective window cartridge is available we recommend that you order one from Precitec see Appendix or immediately affix a suitable protective film over the aperture to cover it see...

Страница 55: ...amping ring 1 from the protective window frame cartridge and remove the protective window 2 Clean the protective window 2 using a cleaning pad soaked in methanol Then blow away any dirt with clean air...

Страница 56: ...ial gasket P0580 53353 2 Cartridge LC BA oRig 1 Coolant spray 2 To keep the laser head working reliably in normal operation Precitec recommends that the radial seal 1 is replaced once a year Regularly...

Страница 57: ...work on the laser head in a clean workplace Do not allow dust and dirt to get into the laser head Dust and firmly adhering dirt can damage or destroy the components 1 3 80 2 4 4 5 6 6 LC BA oSE1k 1 N...

Страница 58: ...t is damaged it must be replaced 5 Attach the sensor insert 4 to the connection head and tighten the four cylinder head screws 4 x Allen screws SW5 with a torque of 10 Nm Note the locating pins on the...

Страница 59: ...hook spanner size 40 42 available as an accessory can be used for easy removal of the nut F200 2 x VA SE100 6 LC BA oSE1 1 2 3 4 5 F150 1 x VA 1 Nozzle DE CON ceramic partKT 4 Sensor insert SE100 2 O...

Страница 60: ...sed The order numbers for the fixing screws can be found in the Tab 8 4 page 8 67 2 Screw the spatter protection plate 3 on firmly using the two screws hexagonal screws SW7 We recommend that you insta...

Страница 61: ...t HF socket can be aligned 20 see chapter 6 2 3 3 page 6 59 LightCx3D_oCHL _oCHR 1 3 7 8 9 10 4 2 5 6 6 12 11 8 9 10 1 Protective window cartridge 7 Sensor insert SE F150 2 Focusing unit FF focusing l...

Страница 62: ...ed Jolt laser head max 1000 m s3 Adjustment range horizontal 3 mm vertical 1 5 mm 5 3 mm Installation Threaded holes back Pin holes back 4 x M6 14 5 mm deep 2 x 4F7 8 mm deep Media connections Cutting...

Страница 63: ...6 Specific characteristics of the 3D version D 159195 Precitec GmbH Co KG EN 09 2019 6 53 6 1 3 Mechanical dimensions QBH version F150 Fig 6 2 Mechanical dimensions QBH 3D version LightCx3D_o8Q...

Страница 64: ...s 3D version 1 HF connection sensor system 2 Water connection hose 6 cooling circuit 3 Cutting gas connection G1 8 LightC_3D_oMED 3 2 1 Attention Media connections Please note the connection dimension...

Страница 65: ...ied by Precitec Fig 6 4 Installation Ceramic part nozzle LightCutter 3D When fitting check that the protective window is installed and that the beam path has not been opened up 1 Sensor insert SE 3 Nu...

Страница 66: ...nd that you connect the laser fibre when the optics are in a horizontal position 292 1060 01pc Locking area A B 1 Remove the protective film protective cap from the fibre socket 2 Insert the correctly...

Страница 67: ...Laser head back The laser head is fixed using the four threaded holes M6x1 14 5 mm deep located at the back Two pin holes 4F7 8 mm deep aligned in a diagonal pattern are used to position the unit pre...

Страница 68: ...tem malfunctions may occur and the machine may be damaged by moving parts jerky guidance of the laser head vibra tions Fig 6 7 Installation Laser head grounding 3D version Gewindebohrungen Make sure t...

Страница 69: ...the connecting flange 20 using the screws 4 x M4x14 If the HF socket sensor system position on the machine is not suitable the sensor insert can be aligned 4 x 90 using the connecting holes on the las...

Страница 70: ...ramic part KT KN 4 Nozzle DE KN nozzle electrode 2 3 LightCx3D_oKT 4 1 Clean the ceramic part 2 replace if necessary Note Note the locating pins on the ceramic part when doing this they must engage in...

Страница 71: ...replacement sensor insert SE ready at hand before you start removing the old one SE LightCx3D oSE 1 2 4 3 1 Nozzle DE KN 3 Nut MU 2 Ceramic part KT KN 4 Sensor insert SE Unscrew the nozzle undo the n...

Страница 72: ...not use any tools Otherwise the ceramic part could be damaged In addition to this make sure that the contact surfaces on these parts are clean 2 Screw the ceramic part to the sensor insert 4 hand tig...

Страница 73: ...work on the laser head During commissioning the machine may operate in laser class 4 Avoid radiation to eyes or skin caused by direct or scattered radiation Do not look directly at the laser beam even...

Страница 74: ...ter 3 4 1 page 3 31 chapter 3 4 3 page 3 33 Gases and liquids escape at other places Send the laser head back for repair Beam position centring device difficult to turn Adjusting screw threads damaged...

Страница 75: ...arts US 0 88 qt quarts Imp 0 0284 l 1 0 fl oz fluid ounce Class Solid particles residual dust Water pressure dew point Oil aerosol liquid vapour Max concentration mg m3 Max size m C mg m3 1 0 1 0 1 70...

Страница 76: ...ections Cables must not be bent below the minimum bending radius specified in the technical data sheet Cables must not be twisted in such a way that the maximum angle of twist specified in the technic...

Страница 77: ...0580 54460 Protective window OG OG Y D30 d5 P 0795 1201 Nozzles DE nozzle electrodes see next page Sensor insert F100 F200 SE LightCutter F100 200 P 0580 65003 Fixing screws SE ZM LightCutter F100 125...

Страница 78: ...DE HP1 5 2 0 CON DD DE HP1 5 2 3 CON DD DE HP1 5 2 5 CON DD DE HP1 5 3 0 CON DD DE HP1 5 3 5 CON DD DE HP1 5 4 0 CON DD DE HP1 5 5 0 CON DD P P P P P P P P P P P 0591 0591 0591 0591 0591 0591 0591 05...

Страница 79: ...bsorbs heat The fibre socket mounting ring can be aligned 30 If the fibre socket is fitted to the machine in such a way that it cannot be accessed easily the mounting ring can adjusted turned using th...

Страница 80: ...ed water must be used conductivity 20 to 50 S cm The temperature inside the water cooling circuit must be set in such a way that condensation cannot form on the optics Use an Allen key size 2 and loos...

Страница 81: ...Notes Precitec GmbH Co KG...

Страница 82: ...epublic of Germany Weltweit f r Sie erreichbar Bitte finden Sie die Kontaktdaten unserer Tochtergesellschaften und Vertretungen unter www precitec com Within reach all over the world Please find the c...

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