LORCH MX 350 EU Operation Manual Download | Manualshive

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Summary of Contents for MX 350 EU

Page 1: ...LORCH LORCH SchweiBtechnik GmbH Im Anwander 24 26 D 71549 Auenwald Telephone 49 0 71911503 0 Fax 49 0 71911503 199 Website www lorch biz Email info lorch biz Operation Manual MX 350 EU 909 1900 1 03 ...

Page 2: ...mentation including all its parts is protected by copyright Any use or modification outside the strict limits of the copyright law without the permission of LORCH SchweiBtechnik GmbH is prohibited and liable to prosecution This particularly applies to reproductions translations microfilming and storage and processing in electronic systems Technical changes Our machines are in a constant state of f...

Page 3: ...ing process 12 12 3 MIG welding process MIG MAG 12 12 4 Calling up the secondary parameters 13 12 5 Special functions 14 13 Graphs 15 13 1 Electrode 15 13 2 TIG 15 13 3 MIG MIX C02 15 14 Messages 16 14 1 Status messages 16 14 2 Error messages 16 15 Welding basics 18 15 1 Stick electrode welding 18 15 2 TIG welding 18 16 Fundamentals of the MIG MAG welding process 20 LORCH 16 1 Principle of the MIG...

Page 4: ...evere injuries or even death Danger of property damage Disregarding danger warnings can cause damage to workpieces tools and equip ment General note Indicates useful information about the product and equipment Explanation of symbols 9 Mains cable 10 Connecting socket wire feed case 7 pin version EU CD Some depicted or described accessories are not included in the scope of delivery Subject to chang...

Page 5: ...ork may only be carried out by a trained electrician 0 Ensure that there is good direct contact for the ground cable immediately beside the weld point Do not pass 10 13 the welding current through chains ball bearings steel cables grounding conductors etc as it could cause these to melt 0 Secure yourselfand the welding machine when work ing in elevated or inclined areas 0 The machine should be con...

Page 6: ...onsumption welding ma chines can cause problems in the public power grid The mains connection is therefore subject to require ments with regard to the maximum permissible sys tem impedance The maximum permissible system impedance Zmax of the interface to the power grid mains connection is indicated in the technical data If in doubt please contact your power grid operator D The machine is intended ...

Page 7: ...t r1_ _ I L I 1 I _ I Fig 3 Accessories belt 5 Accessories belt with fastener 12 Plastic slider 14 Closure 10 13 13 Thread the transportation belt into the welding ma chine and plastic slides See sequence of the num bering in the picture 14 Thread the accessories belt into the handle and plas tic slides See sequence of the numbering in the pic ture Plug the belt fasteners together 7 ...

Page 8: ...llet 18 collet body 20 and electrode 16 must have the same diameter 0 The gas nozzle 21 must be matched to the electrode diameter Connecting the TIG torch Connect the TIG torch to the minus 8 connection socket and secure it by turning it clockwise 8 Before start up Connecting the inert gas cylinder 23 28 I Fig 4 Gas connection Place the inert gas cylinder 28 in a suitable location and secure to pr...

Page 9: ... Connecting the ground cable Connect the ground cable to the free minus or plus 8 socket and secure the cable by rotating it clockwise Fastening the ground clamp T Fig 6 Attaching the ground clamp Correct Fasten the grounding clamp in the immediate vicinity of the welding area so that the welding current can not seek its own return path across machine parts ball bearings or electric circuitry Conn...

Page 10: ...ncapsulation suitable for vertical downward the standard e g in welding mode or if operating welding mode MSG welding LED 39 40 selected flashes if gouging operating mode selected 33 The Seconds LED lights up when a value is dis 44 welding process selector switch played in the 7 segment display 35 in sec serves for selecting the TIG operating mode 34 The LED lights up when a value is displayed in ...

Page 11: ...ns Electrode welding cur Range Factory set rent ting Welding current 1 1 10 to 350A 100 Tab 2 Electrode welding current LORCH Arc ignition Briefly touch the workpiece at the point to be welded using the electrode and lift the electrode a little The arc burns between the workpiece and the elec trode Hotstart 0 Ignition performance is improved by increasing the welding current Hotstart Press the ope...

Page 12: ...eed case can be selected at the welding unit 0 If you are using a wire feed case with its own control system you must set the case type lo external EXI O If you are using a wire feed case without its own con trol system with 6 or 7 pole connection plug you must set the case type to internal lnt Press the operating button 48 for 2 sees to call up the secondary parameters Select the case type second...

Page 13: ...d the corresponding setting are displayed alternately in the 7 Segment display 35 Confirm the secondary parameter by pressing the control knob 48 The setting ean be adjusted by rotating the control knob 48 Confirm the setting by pressing the control knob 48 The previous or next secondary parameter is dis played by rotating the control knob 48 D Different secondary parameters are available de pendi...

Page 14: ...nd secondary parameters are reset to their factory settings master reset function Press buttons 44 and 47 simultaneously for at least 3 seconds The 7 segment display and the control panel indica tors light up briefly as confirmation Switching the Function lock on I off Press the control knob 48 and the button 44 simulta neously for at least 3 seconds 0 11 is briefly displayed in the 7 segment disp...

Page 15: ...me burn back CF Crater filling energy I Current 11 Welding current ICFU Current crater filling voltage t Time tCFt Crater filling time v Speed vCFF Speed crater filling feed rate vCSP Creep in speed t I IS St Fig 9 Electrode current routing diagram tI I lz IS I l tlu tSt I Fig 10 TIG current routing diagram t I A 11 I mfmin vCSP 11 LORCH 11 ICFU CF t t ICFt i I s tbb ___ ____ vCFF t s Fig 11 Curre...

Page 16: ...ature Duty cycle exceeded Allow switched on machine to cool down for a few minutes Dust filter contaminated Replace dust filter E02 Overvoltage Mains voltage too high Check mains voltage E04 1 Protective earth conductor Fault current to protective earth con Connect the welding earth lead monitoring ductor E06 Overvoltage secondary Initial voltage too high Inform Service E07 EEPROM Communication wi...

Page 17: ... Faulty or wrong pc board wrong Inform Service software system installed E31 Communications fault CAN bus communication faulty Switch the equipment off and on again E32 FPGA FPGA faulty Inform Service E33 Power section Power module not symmetrical Inform Service E34 Fans Fan current faulty Inform Service E40 Voltage detection Voltage measurement faulty at the Inform Service socket Tab 6 Errormessa...

Page 18: ...rch The arc burns be tween the tungsten electrode and the workpiece in an inert shielding gas atmosphere Thus the tungsten elec trode acts as an arc carrier The arc melts the workpiece point by point and forms the weld pool The shielding gas escapes through the gas nozzle This gas protects the tungsten electrode the arc and the molten pool against the surrounding air This prevents undesired oxidat...

Page 19: ...t depends on the welding current When AC welding ii is sufficient to sharpen the edge of the electrode slightly After a short time a round to slightly convex form is built If the electrode tip is polluted due to dipping into the weld pool or touching the filler wire the respective part of the electrode must be completely ground off Restore the original pointed shape Grind in longitudinal direction...

Page 20: ... size are very different according to the shielding gas being used 20 16 2 Arc types Short arc This type of arc is particularly suited to the welding of thin sheets in root layers and for welding in restricted locations because ofits relatively cold weld flow In this case the welding takes place with a very short arc at low arc voltage and at low current intensity Due to the surface tension of the...

Page 21: ...r increases with thicker materials or if the melt pool is very thin because the volt age is too high Weld direction pushing Weld direction dragging Fig 13 Torch position Avoid larger oscillating movements in order to prevent the melt pool from building up in front of the arc This can lead to incomplete fusion due to the forward melt pool Except in the vertical up position you should oscillate late...

Page 22: ...ption S kVA 13 6 Electrode welding A 10 350 Welding range min max v 20 4 34 0 Idle voltage peak value 1n accordance with EN 60974 1 V DC 113 Idle voltage VRD in accordance with rocr 12 2 007 8 V DC 12 Current setting Infinitely variable Slope characteristic falling Welding current al ED 100 A 230 Welding current at ED 60 A 280 ED at maximum welding current 35 Current consumption I at ED 100 A 16 0...

Page 23: ...cy I at 100 ED 87 Mains Mains voltage v 400 3 Mains frequency Hz 50 60 Positive mains tolerance 25 Negative mains tolerance 30 Negative mains tolerance temporary 40 Mains connection mm 4 x 2 5 Mains plug CEE32 Current consumption I 0 10 11 1 A 0 2 Mains fuse slow response TIG EL A 25 Power factor cos p 1 2 max cos p 0 99 Power factor J at 1 2 max 0 87 Max permissible system impedance Zmax in ace w...

Page 24: ... Declaration of conformity We herewith declare that this product was manufactured in conformance with the following standards or official documents EN 60 974 EN 61 000 3 2 EN 61 000 3 3 in conformance with the guidelines 2006 95 EG 2004 108 EG 2011 65 EU c 2012 Wolfgang Grob Managing Director Lorch SchweiBtechnik GmbH 24 Declaration of conformity Check the dust filter for pollution Replace the dus...

Page 25: ...Ersatzteilliste I spare parts list I Cm1coK AeTaneiil LORCH 22 Ersatzteilliste I spare parts list I Cm1coK AeTaneM 22 1 MX 350 EU 990 4472 6 00 MX 350 EU 10 1 3 9 1 3 1 42 39 8 10 19 25 ...

Page 26: ...rofil LORCH Profil Profil 12 606 2027 0 Aufkleber Netzstecker ziehen sticker pull mains plug 30 mm HaKneliiKa Bb1Ta 1 1Tb B 111KY 30mm blau blue 30mm C 1HRR 13 608 5004 0 Folientastatur MX350 keypad MX350 MeM6paHHaR K11ae1 1arypa MX350 14 610 2530 0 Zugentlastungsverschraubung cable gland PG 13 5 Ka6enbHbllii BBOA PG 13 5 PG 13 5 15 610 3032 0 Dichtring SchaumstoffAD16xl Foam spacer AD 16xl08xH6 n...

Page 27: ...eHi te rung 36 663 0207 0 lsolierbuchse M7 09 2 insulating bush M7 09 2 i IJOJlR 10HHaR MyQ ra M7 09 2 H2 5 7 5mm AD25 h2 5 7 5mm AD25 H2 5 7 5mm AD25 37 663 2508 0 lsolierfolie 260x85x0 35 ge insulation foil 260x85x0 35 pier i 1Jo nrnl HKa260x85x0 35wraMn stanzt OMROS ced DMR05 DMR05 38 665 0519 0 Nebenwiderstand 350A 35mV Shunt resistance 350A 35mV WyHT 350A 35mV 0 1m0hrn 0 1m0hm 4 8mm 0 1mOhm 4...

Page 28: ... L ___n _ ____ _ Jt_____ rf2 r f r l 1 r f f 11 x 1 r f 1 I XX t AJ _ A Ml I I I I I N I Oll U X 2J2 I f _ T M I I rrrr _ I lfULHL __ l rTl _ i i RRJ 16 t i r 1 I A6 CCOI 1 I x o X l X x i a XS 8 g XS 6 I XS 7 r I AS I I flO f r I A12 I I _ J C XS 2 I l X5 l A Ml l I 10 I 161 X2 X2 X o I I I 16I 0 1 X 6 7 I I 1r 1 I I X4 II HR33 X6 l 9 11 I II X6 2 10 11 II I X 3 I X6 4 c I I X6 5 r o llJ II II II...

Page 29: ...Netzkabel 4x2 5 CEE 32 3C 1RO 40 C Net cable 4x2 5 CEE 32 3C 1RO 40 C X 2 665 7020 0 Einbau Buchsenteil BEB 35 50 mm2 insert sleeve BEB 35 50 X 3 665 7020 0 Einbau Buchsenteil BEB 35 50 mm2 insert sleeve BEB 35 50 X 4 661 8210 9 Kabelbaum AMP14B Minifrt 12p 400mm Cable loom AMP14B Minifit 12p 400mm X 5 661 8306 1 Buchse Orahtvorschubkoffer socket wire feeder Schutzvermerk nach DIN 34 ISO 160 16 We...

Page 30: ...MaTM leCKMM 23 2 Drahtvorschubkoffer I wire feeder I 6noK noAa IM npoeonoKM MF 07 EURO 2 52 T Xth I Rl 3 J 53 Inching 10K 2W R3 4 7K 2W c Ta N WI R4 01 4 RV24YN205 15A502 IN 4007 ol e R5 02 RV24YN205 B502 IN 4007 S 6 7 51 Gastest 30 10 13 ...

Page 31: ...enseite View Plug and socket side B111A co cropOHbl pa3beMa 111 rne3Aa Bezelchnung Motor motor 5 designation Magnetventil solenoid valve Brennertaster Orahteinlauhaster torch swtch wire insert switch Potentiometer Schwei pannung potentiometer welding voltage Potentiometer Drahtvorschub potentiometer wire feed GND GND Gastest Taster gas test switch 2 2 5 Ha3eaHi te Morop MarHlffHbll 1U1anaH KHonKa ...

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