Lincoln Electric MEC 4 Скачать руководство пользователя | Manualshive

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B - DESCRIPTION

8695 9007 / F

B-8

MEC 4

5 - DELIVERY CONDITION



Versions W000315606, W000315607, W000315611 and W000315612

The

MEC 4

torch is supplied in operating condition along with:



5 clamps for the electrode, 1.6 - 2.4 - 3.2 - 4.0 - 4.8 mm



3 shield nozzles, diameter 11 - 13 - 18 mm



1 auxiliary strike electrode



3 NERTAL 2% lanthanated tungsten electrodes, 150 mm long,
diameter 2.4 - 3.2 - 4.0 mm



1 electrode pre-adjustment rod with 10 mm spanner.



Version W000315610

The

MEC 4

torch is supplied in operating condition only with:



1 clamp for the electrode, 3.2 mm



1 shield nozzle, diameter 18 mm



1 auxiliary strike electrode



1 NERTAL 2% lanthanated tungsten electrode, 150 mm long,
diameter 3.2 mm



1 electrode pre-adjustment rod with 10 mm spanner.

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Содержание MEC 4

Страница 1: ...ORCH MEC 4 SAFETY INSTRUCTIONS FOR USE AND MAINTENANCE DEVICE No W000315606 W000315607 W000315610 W000315611 W000315612 EDITION EN Instructions for use REF 8695 9007 REVISION F DATE 06 2018 Original instructions ...

Страница 2: ... Please refer to the enclosed CE declaration to identify the directives applicable to it The manufacturer will not be held responsible where items not recommended by themselves are associated with this product For your safety there follows a non restrictive list of recommendations or requirements many of which appear in the employment code Finally we would ask you kindly to inform your supplier of...

Страница 3: ...10 2 SHARPENING OF ELECTRODES 10 3 SHARPENING ANGLE 10 4 ADJUSTING THE ELECTRODE IN THE MEC4 TORCH 11 5 OPTION FOR TUNGSTEN 6 6 4 7 MM 12 6 NOZZLES 12 7 MEC4 TRAILING SHIELD OPTION W000315603 13 8 MAGNETIC POLES OPTION 14 D CONNECTION OF THE MEC4 TORCH 17 1 CONNECTION OF MEC4 W000315606 W000315607 17 2 CONNECTION OF MEC4 W000315611 W000315612 18 3 CONNECTION OF MEC4 W000315610 20 E MAINTENANCE 21 ...

Страница 4: ...8695 9007 II MEC 4 REVISIONS REVISION D 01 15 DESIGNATION PAGE Complete update REVISION E 03 15 DESIGNATION PAGE Update E 25 REVISION F 06 18 DESIGNATION PAGE To change logos ...

Страница 5: ...ay not be discharged in large quantities in the natural environment Please comply with local discharge regulations regarding COD Before any discharge contact the water department for the rules applicable in your region They will need to know the COD of Freezcool 741000 mg kg the quantity to be discharged in kg The water department will let you know what you must do particularly the following place...

Страница 6: ...Alternating Non pulsed 300 A 50 Hz Nac 70 69 2 to 73 6 dB A 102 6 dB C 90 dB A Welding TIG Alternating Non pulsed 300 A 80 Hz Nac 70 68 6 to 75 3 dB A 101 8 dB C 97 dB A Welding TIG Alternating Pulsed 300 A 50 Hz Nac 70 pulsé 5 Hz 69 3 to 72 1 dB A 99 8 dB C 95 dB A Welding TIG Direct Non pulsed 200 A 68 7 to 71 4 dB A 103 7 dB C 87 dB A Welding TIG Direct Pulsed 200 A 68 4 to 70 4 dB A 98 7 dB C ...

Страница 7: ...oy steels Stainless steels Light alloys Copper Titanium Zirconium etc It comes in straight version bundle parallel to the torch body bent version bundle perpendicular to the torch body offering maximum accessibility to the assembly work to be carried out STRAIGHT VERSION W000315606 Version with screw on fittings W000315611 Quick Connector QC version W000315610 Version for manual power source BENT ...

Страница 8: ...hes may be instantly fitted with the following additions Nozzle with electromagnetic circuit for welding with arc oscillation or deviation Large diameter 6 0 6 4 or 7 mm electrode holder for high intensity AC welding of light allows Trailing shield additional to the nozzle for all applications requiring a high degree of gas shielding for the melted metal That trailing shield option is compatible w...

Страница 9: ...ectrical resistivity pH close to 7 CAUTION while using water RISK OF FREEZING If the ambient temperature is below 5 C with the equipment halted the torch cooling system must be protected from freezing during that period To avoid freezing the cooling unit should be made to run including overnight and on weekends by adding an electric water warming system to the water circuit To that end you can con...

Страница 10: ...e inner wall of the shielding nozzle The electrode holder is made up of a knurled fastening cap A that rotates freely on the body of the electrode holder B The electrode clamp D is fitted inside the opposite end of the electrode holder and thanks to the thread the clamp seat E As soon as the seat E is tightened onto the body F the inner taper of the clamp seat E applies pressure on a split taper o...

Страница 11: ...8695 9007 F B DESCRIPTION MEC 4 B 7 ...

Страница 12: ...3 18 mm 1 auxiliary strike electrode 3 NERTAL 2 lanthanated tungsten electrodes 150 mm long diameter 2 4 3 2 4 0 mm 1 electrode pre adjustment rod with 10 mm spanner Version W000315610 The MEC 4 torch is supplied in operating condition only with 1 clamp for the electrode 3 2 mm 1 shield nozzle diameter 18 mm 1 auxiliary strike electrode 1 NERTAL 2 lanthanated tungsten electrode 150 mm long diamete...

Страница 13: ...8695 9007 F B DESCRIPTION MEC 4 B 9 6 DIMENSIONS AND FASTENING STRAIGHT TORCH BENT TORCH ...

Страница 14: ... use Sharpening should also be finished with fine grain abrasive because the resistance of the electrode during use is improved when the surface of the emissive part is carefully finished Make sure that the grinding wheel is not a multi purpose one which could deposit polluting particles on the electrode To eliminate a deformed or polluted tip before sharpening the electrode should not be held in ...

Страница 15: ...MEC 4 torch should be adjusted so that the electrode emerges out of the nozzle by 2 to 3 mm Once the tool is adjusted electrode replacements can be made rapidly with no adjustment with the certainty of finding the same position Proceed as follows immobilise the electrode adjustment tool in a vice for example position the electrode in the electrode holder without tightening the clamp seat too firml...

Страница 16: ...ed outside the torch Adjustment and tightening is done directly in the body of the torch 12 Clamp holder 13 Clamp diameter 6 6 4 7 14 Electrode diameter 6 6 4 7 6 NOZZLES The nozzles of the MEC 4 torch are of five types characterised by the inner diameter of the shielding orifice Ø 11 must not be used at over 150A to allow satisfactory shielding Ø 13 limited to 250A Ø 18 may be used up to 500A ...

Страница 17: ... extends gas shielding for materials that are liable to be oxidised or for achieving better quality with stainless steel Only the Ø18 nozzle allows the use of the additional trailing shield It is cooled by an additional water circuit which is connected directly to the torch interface 48 Cooling 49 Gas ...

Страница 18: ...penetration is reduced compared to stable TIG arcs that can be of particular benefit when the aim is to deposit precious materials with low dilution or when multi pass welding is needed or even only a second pass with a very fine finish is required on visible welds in rust proof boilerwork The magnetic deviation of the TIG arc towards the front extends its impact and helps increase the electrical ...

Страница 19: ... The line of the poles is aligned with the line of the seam to weld Deviation The line of the poles is perpendicular to the line of the seam to weld Arc deviation must precede welding otherwise reverse the direction of flow of current in the inductor by reversing the two lugs A and B ...

Страница 20: ...poles integrated in the nozzle receive a magnetic circuit which in turn receives the induction coil This type of nozzle with poles is compatible with the optional trailing shield system It only allows the magnetic oscillation position ...

Страница 21: ...through the unit S92576544 torch with screw in connectors which acts as the interface between the bundle of the torch and that of the equipment HF cable Annular gas HF electrode m23 95 less Water return Water inlet Near torch Near bundle Water outlet 14x100 Trailing shield gas 12x100 Annular gas 12x100 Water inlet 14x100 ...

Страница 22: ...ion is made directly on the BRT 450 or the Quick Connector interface according to the following diagram Case of a Quick Connector QC interface This connection is made through the unit W000315574 for torches with Quick Connectors it acts as the interface between the bundle of the torch and that of the equipment ...

Страница 23: ... MEC4 TORCH MEC 4 D 19 BRT 450 The BRT 450 unit is used as part of a NERTAMATIC 450 or HPW installation Connection near the torch 12 Annular gas 13 Trailing shield gas 16 Electrode water outlet 17 Electrode water inlet HF connection ...

Страница 24: ...OF THE MEC4 TORCH 8695 9007 F D 20 MEC 4 3 CONNECTION OF MEC4 W000315610 This connection is made by a quarter turn connection with annular gas If the gas is separated near the power source use the adapter W000306140 ...

Страница 25: ...fe from mechanical chemical and thermal damage Monitor the condition of the sleeve covering the bundle If it is defective explore the condition of the various conduits that make up the bundle Also check the cable to the piece ground cable Work for maintaining and repairing insulating sleeves pipes and enclosures may not be carried out in a haphazard manner Regularly check all the connections and m...

Страница 26: ...t before and during welding Strike difficulties Check the connection of the electrical cable to the piece ground cable Check the electrode circuit Check the auxiliary electrode circuit The electrode is rapidly worn or destroyed Increase the annular gas output Check the post gas time Check the cooling circuit Intensity too high for the electrode diameter ...

Страница 27: ... duly completed Please specify in the Order column the number of parts desired and indicate the type and the serial number of your equipment For items noted on the photos or sketches but not in the tables send a copy of the page concerned highlighting the particular mark For example normally in stock not in stock on request Item Ref Stock Order Designation 1 W000XXXXXX Machine interface board 2 W0...

Страница 28: ...E MAINTENANCE 8695 9007 F E 24 MEC 4 ...

Страница 29: ...mm S91211116 Electrode clamp Ø3 2mm S91211117 Electrode clamp Ø4 0mm S91211118 Electrode clamp Ø4 8mm 7 S92579701 MEC4 nozzle Ø11mm 8 S92579698 MEC4 nozzle Ø13mm 9 S92579696 MEC4 nozzle Ø18mm 10 S03710176 MEC4 nozzle clamping ring 11 W000315760 Auxiliary strike electrode 12 S92579146 Electrode clamp holder Ø6 0 to 7 0mm 13 W000315631 Electrode clamp Ø6 0mm S92579144 Electrode clamp Ø6 4mm S9257914...

Страница 30: ...tock on request Item Ref Stock Order Designation 30 S92579723 Water electricity conduit 31 Electrode water inlet conduit 32 Shield gas inlet conduit 33 HF cable 34 S04080936 Water electricity fitting protection 35 Water electricity fitting 36 S07300001 Olive S07301001 Nut 37 W000352152 Olive S33760211 Nut W000147372 Seal ...

Страница 31: ...15611 W000315612 normally in stock not in stock on request Item Ref Stock Order Designation 40 W000235282 Water electricity conduit 41 Shield gas inlet conduit 42 Electrode water inlet conduit 43 HF cable 44 Serial coupler 21 9223 2106 45 Serial end piece 23 9085 2306 ...

Страница 32: ...E MAINTENANCE 8695 9007 F E 28 MEC 4 PERSONAL NOTES Lincoln Electric France S A S Avenue Franklin Roosevelt 76120 Le Grand Quevilly 76121 Le Grand Quevilly cedex www lincolnelectriceurope com ...

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