米勒350焊機手冊

1、OM-2247212 857T201010ProcessesMultiprocess WeldingDescriptionArc Welding Power SourceXMT 350 CC/CVRAuto-LineFile: MULTIPROCESSFrom Miller to YouThank you and congratulations on choosing Miller. Now you can getthe job done and get it done right. We know you dont have time to doit any other way.Thats

2、why when Niels Miller first started building arc welders in 1929,he made sure his products offered long-lasting value and superiorquality. Like you, his customers couldnt afford anything less. Millerproducts had to be more than the best they could be. They had to be thebest you could buy.Today, the

3、people that build and sell Miller products continue thetradition. Theyre just as committed to providing equipment and servicethat meets the high standards of quality and value established in 1929.This Owners Manual is designed to help you get the most out of yourMiller products. Please take time to

4、read the Safety precautions. Theywill help you protect yourself against potential hazards on the worksite.Weve made installation and operation quickand easy. With Miller you can count on yearsof reliable service with proper maintenance.And if for some reason the unit needs repair,theres a Troublesho

5、oting section that willhelp you figure out what the problem is. TheMiller is the first weldingequipment manufacturer inparts list will then help you to decide thethe U.S.A. to be registered toexact part you may need to fix the problem.the ISO 9001 Quality SystemStandard.Warranty and service informat

6、ion for yourparticular model are also provided.Miller Electric manufactures a full lineof welders and welding related equipment.For information on other quality Millerproducts, contact your local Miller distributor to receive the latest fullline catalog or individual specification sheets. To locate

7、your nearestdistributor or service agency call 1-800-4-A-Miller, or visit us atwww.MillerW on the web.Mil_Thank 200909TABLE OF CONTENTSSECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING.1-1.Symbol Usage.1-2.Arc Welding Hazards.1-3.Additional Symbols For Installation, Operation, And Maintenance.1-4.Cal

8、ifornia Proposition 65 Warnings.1-5.Principal Safety Standards.1-6.EMF Information.SECTION 2 CONSIGNES DE SÉCURITÉ LIRE AVANT UTILISATION.2-1.Symboles utilisés.2-2.Dangers relatifs au soudage à larc.2-3.Dangers supplémentaires en relation avec linstallation, le fonctionnemen

9、t et la maintenance.2-4.Proposition californienne 65 Avertissements.2-5.Principales normes de sécurité.2-6.Informations relatives aux CEM.SECTION 3 INTRODUCTION.3-1.Specifications.3-2.Volt-Ampere Curves.3-3.Duty Cycle And Overheating.SECTION 4 INSTALLATION.4-1.Serial Number And Rating Labe

10、l Location.4-2.Selecting a Location.4-3.Connecting 1-Phase Input Power.4-4.Connecting 3-Phase Input Power.4-5.Electrical Service Guide.4-6.Weld Output Receptacles And Selecting Cable Sizes*.4-7.Remote 14 Receptacle Information.4-8.Optional 115 Volts AC Duplex Receptacle And Supplementary Protectors.

11、4-9.Optional Gas Valve Operation And Shielding Gas Connection.SECTION 5 OPERATION.5-1.Front Panel Controls.5-2.Meter Functions.5-3.Mode Switch Settings.5-4.Lift-Arc TIG Procedure.5-5.Optional Low Open Circuit Voltage (OCV) Welding Modes.SECTION 6 MAINTENANCE & TROUBLESHOOTING.6-1.Routine Mainten

12、ance.6-2.Blowing Out Inside Of Unit.6-3.Voltmeter/Ammeter Help Displays.6-4.Troubleshooting.SECTION 7 ELECTRICAL DIAGRAM.SECTION 8 PARTS LIST.WARRANTY111344455578991111111213131314151617181819202021212222232323242526287Protect yourself and others from injury read and follow these precautions.1-1.Sym

13、bol UsageDANGER! Indicates a hazardous situation which, ifnot avoided, will result in death or serious injury. Thepossible hazards are shown in the adjoining symbolsor explained in the text.Indicates a hazardous situation which, if not avoided,could result in death or serious injury. The possiblehaz

14、ards are shown in the adjoining symbols or ex-plained in the text.NOTICE Indicates statements not related to personal injury.Indicates special instructions.SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-bols and related instructions below for necessary actions to avoid thehazards.1-2.Arc We

15、lding HazardsThe symbols shown below are used throughout this manualto call attention to and identify possible hazards. When yousee the symbol, watch out, and follow the related instructionsto avoid the hazard. The safety information given below isonly a summary of the more complete safety informati

16、onfound in the Safety Standards listed in Section 1-5. Read andfollow all Safety Standards.Only qualified persons should install, operate, maintain, andrepair this unit.During operation, keep everybody, especially children, away.DAlways verify the supply ground check and be sure that inputpower cord

17、 ground wire is properly connected to ground terminal indisconnect box or that cord plug is connected to a properlygrounded receptacle outlet.DWhen making input connections, attach proper grounding conduc-tor first double-check connections.DKeep cords dry, free of oil and grease, and protected from

18、hot metaland sparks.DFrequently inspect input power cord for damage or bare wiring replace cord immediately if damaged bare wiring can kill.DTurn off all equipment when not in use.DDo not use worn, damaged, undersized, or poorly spliced cables.DDo not drape cables over your body.DIf earth grounding

19、of the workpiece is required, ground it directlywith a separate cable.DDo not touch electrode if you are in contact with the work, ground,or another electrode from a different machine.DDo not touch electrode holders connected to two welding ma-chines at the same time since double open-circuit voltag

20、e will bepresent.DUse only well-maintained equipment. Repair or replace damagedparts at once. Maintain unit according to manual.DWear a safety harness if working above floor level.DKeep all panels and covers securely in place.DClamp work cable with good metal-to-metal contact to workpieceor worktabl

21、e as near the weld as practical.DInsulate work clamp when not connected to workpiece to preventcontact with any metal object.DDo not connect more than one electrode or work cable to anysingle weld output terminal.DWear dry, hole-free insulating gloves and body protection.DInsulate yourself from work

22、 and ground using dry insulating matsor covers big enough to prevent any physical contact with the workor ground.DDo not use AC output in damp areas, if movement is confined, or ifthere is a danger of falling.DUse AC output ONLY if required for the welding process.DIf AC output is required, use remo

23、te output control if present onunit.DAdditional safety precautions are required when any of the follow-ing electrically hazardous conditions are present: in damplocations or while wearing wet clothing; on metal structures suchas floors, gratings, or scaffolds; when in cramped positions suchas sittin

24、g, kneeling, or lying; or when there is a high risk of unavoid-able or accidental contact with the workpiece or ground. For theseconditions, use the following equipment in order presented: 1) asemiautomatic DC constant voltage (wire) welder, 2) a DC manual(stick) welder, or 3) an AC welder with redu

25、ced open-circuit volt-age. In most situations, use of a DC, constant voltage wire welderis recommended. And, do not work alone!DDisconnect input power or stop engine before installing orservicing this equipment. Lockout/tagout input power according toOSHA 29 CFR 1910.147 (see Safety Standards).DProp

26、erly install and ground this equipment according to itsOwners Manual and national, state, and local codes.SIGNIFICANT DC VOLTAGE exists in inverter weld-ing power sources AFTER removal of input power.DTurn Off inverter, disconnect input power, and discharge inputcapacitors according to instructions

27、in Maintenance Sectionbefore touching any parts.wear heavy, insulated welding gloves andclothing to prevent burns.OM-2247 Page 1DKeep your head out of the fumes. Do not breathe the fumes.DIf inside, ventilate the area and/or use local forced ventilation at thearc to remove welding fumes and gases.DI

28、f ventilation is poor, wear an approved air-supplied respirator.DRead and understand the Material Safety Data Sheets (MSDSs)and the manufacturers instructions for metals, consumables,coatings, cleaners, and degreasers.DWork in a confined space only if it is well ventilated, or whilewearing an air-su

29、pplied respirator. Always have a trained watch-person nearby. Welding fumes and gases can displace air andlower the oxygen level causing injury or death. Be sure the breath-ing air is safe.DDo not weld in locations near degreasing, cleaning, or spraying op-erations. The heat and rays of the arc can

30、react with vapors to formhighly toxic and irritating gases.DDo not weld on coated metals, such as galvanized, lead, orcadmium plated steel, unless the coating is removed from the weldarea, the area is well ventilated, and while wearing an air-suppliedrespiratorcan give off toxic fumes if welded. The

31、 coatings and any metals containing these elementsDWear an approved welding helmet fitted with a proper shade offilter lenses to protect your face and eyes from arc rays andsparks when welding or watching (see ANSI Z49.1 and Z87.1listed in Safety Standards).DWear approved safety glasses with side sh

32、ields under yourhelmet.DUse protective screens or barriers to protect others from flash,glare and sparks; warn others not to watch the arc.DWear protective clothing made from durable, flame-resistantmaterial (leather, heavy cotton, or wool) and foot protection.burns. Accidental contact of electrode

33、to metal objects can causesparks, explosion, overheating, or fire. Check and be sure the area issafe before doing any welding.DRemove all flammables within 35 ft (10.7 m) of the welding arc. Ifthis is not possible, tightly cover them with approved covers.DDo not weld where flying sparks can strike f

34、lammable material.DProtect yourself and others from flying sparks and hot metal.DBe alert that welding sparks and hot materials from welding caneasily go through small cracks and openings to adjacent areas.DWatch for fire, and keep a fire extinguisher nearby.DBe aware that welding on a ceiling, floo

35、r, bulkhead, or partition cancause fire on the hidden side.DDo not weld on closed containers such as tanks, drums, or pipes,unless they are properly prepared according to AWS F4.1 (seeSafety Standards).DDo not weld where the atmosphere may contain flammable dust,gas, or liquid vapors (such as gasoli

36、ne).DConnect work cable to the work as close to the welding area aspractical to prevent welding current from traveling long, possiblyunknown paths and causing electric shock, sparks, and firehazards.DDo not use welder to thaw frozen pipes.OM-2247 Page 2DRemove stick electrode from holder or cut off

37、welding wire atcontact tip when not in use.DWear oil-free protective garments such as leather gloves, heavyshirt, cuffless trousers, high shoes, and a cap.DRemove any combustibles, such as a butane lighter or matches,from your person before doing any welding.DAfter completion of work, inspect area t

38、o ensure it is free of sparks,glowing embers, and flames.DUse only correct fuses or circuit breakers. Do not oversize or by-pass them.DFollow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51Bfor hot work and have a fire watcher and extinguisher nearby.shields even under your welding helmet.and

39、 the device manufacturer before going near arc welding, spotwelding, gouging, plasma arc cutting, or induction heatingoperations.high.DProtect compressed gas cylinders from excessive heat, mechani-cal shocks, physical damage, slag, open flames, sparks, and arcs.DInstall cylinders in an upright posit

40、ion by securing to a stationarysupport or cylinder rack to prevent falling or tipping.DKeep cylinders away from any welding or other electrical circuits.DNever drape a welding torch over a gas cylinder.DNever allow a welding electrode to touch any cylinder.DNever weld on a pressurized cylinder explo

41、sion will result.DUse only correct shielding gas cylinders, regulators, hoses, and fit-tings designed for the specific application; maintain them andassociated parts in good condition.DTurn face away from valve outlet when opening cylinder valve.DKeep protective cap in place over valve except when c

42、ylinder is inuse or connected for use.DUse the right equipment, correct procedures, and sufficient num-ber of persons to lift and move cylinders.DRead and follow instructions on compressed gas cylinders,associated equipment, and Compressed Gas Association (CGA)publication P-1 listed in Safety Standa

43、rds.1-3.Additional Symbols For Installation, Operation, And Maintenanceproperly sized, rated, and protected to handle this unit.DIf using lift forks to move unit, be sure forks are long enough toextend beyond opposite side of unit.DKeep equipment (cables and cords) away from moving vehicleswhen work

44、ing from an aerial location.DFollow the guidelines in the Applications Manual for the RevisedNIOSH Lifting Equation (Publication No. 94ally lifting heavy parts or equipment.110) when manu-DSparks can cause fires keep flammables away.DHave only qualified persons remove doors, panels, covers, orguards

45、 for maintenance and troubleshooting as necessary.DReinstall doors, panels, covers, or guards when maintenance isfinished and before reconnecting input power.section.DUse only genuine replacement parts from the manufacturer.DPerform maintenance and service according to the OwnersManuals, industry st

46、andards, and national, state, and localcodes.electronic equipment perform this installation.DThe user is responsible for having a qualified electrician prompt-ly correct any interference problem resulting from the installa-tion.DIf notified by the FCC about interference, stop using theequipment at o

47、nce.DHave the installation regularly checked and maintained.DKeep high-frequency source doors and panels tightly shut, keepspark gaps at correct setting, and use grounding and shielding tominimize the possibility of interference.DBe sure all equipment in the welding area iselectromagnetically compat

48、ible.DTpossible, close together, and down low, such as on the floor.o reduce possible interference, keep weld cables as short asDLocate welding operation 100 meters from any sensitive elec-tronic equipment.DBe sure this welding machine is installed and groundedaccording to this manual.DIf interferen

49、ce still occurs, the user must take extra measuressuch as moving the welding machine, using shielded cables,using line filters, or shielding the work area.OM-2247 Page 31-4.California Proposition 65 WarningsWelding or cutting equipment produces fumes or gaseswhich contain chemicals known to the Stat

50、e of California tocause birth defects and, in some cases, cancer. (CaliforniaHealth & Safety Code Section 25249.5 et seq.)Battery posts, terminals and related accessories contain leadand lead compounds, chemicals known to the State ofCalifornia to cause cancer and birth defects or otherreproduct

51、ive harm.Wash hands after handling.This product contains chemicals, including lead, known tothe state of California to cause cancer, birth defects, or otherreproductive harm. Wash hands after use.For Gasoline Engines:Engine exhaust contains chemicals known to the State ofCalifornia to cause cancer, birth defects, or other reproduc-tive harm.For Diesel Engines:Diesel engine exhaust and some of its constituents areknown to the State of California to cause cancer, birthdefects, and other reproductive harm.1-5.Principal Safety StandardsSafety in Welding,