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Inverter DC MMA Arc Welding Machine
IMPORTANT: Read this Owner's Manual Completely before attempting to use this
equipment. Save this manual and keep it handy for quick reference. Pay particular
attention to the safety instructions we have provided for your protection. Contact your
distributor if you do not fully understand this manual.
SUMMARY
I
YT-81352
YT-81353
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Table of Contents
Troubleshooting
Related Manuals for YATO YT-81352
Summary of Contents for YATO YT-81352
- Page 1 SUMMARY YT-81352 YT-81353 Inverter DC MMA Arc Welding Machine IMPORTANT: Read this Owner’s Manual Completely before attempting to use this equipment. Save this manual and keep it handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection. Contact your...
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Page 2: Table Of Contents
§3.3 Welding polarity connection way....................8 §3.3.1 MMA (take YT-81352 for an example) ................8 §4 Operation control and connectors ....................9 §4.1 Layout for front & rear panel (example for YT-81352) ............... 9 §4.2 parameters adjustment ....................... 10 §4. 3 Welding operation ........................10 §4.3.1 Striking arc way ........................ -
Page 3: Safety
SUMMARY §1 SAFETY §1.1 Signal Explanation The above signals mean warning! Notice! Running parts and getting an electric shock or thermal parts will take damage for your body or others. The corresponding notices are as follows. It is quite a safe operation after taking several necessary protection measures. §1.2 Arc Welding Damage The following signals and word explanations are to some damages for your body or others happening on the welding operation. - Page 4 SUMMARY In semiautomatic or automatic wire welding, the electrode, electrode reel, welding head, nozzle or semiautomatic welding gun are also electrically “hot”. Always be sure the work cable makes a good electrical connection with the metal being welded The connection should be as close as possible to the area being welded. Maintain the electrode holder, work clamp, welding cable and welding machine in good, safe operating condition.
- Page 5 SUMMARY of your helpers from the arc rays. Protect other nearby personnel with suitable, non-flammable screening and /or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal. SELF-PROTECTION Keep all equipment safety guards, covers and devices in position and in good repair. Keep hands, hair, clothing and tools away from V-belts, gears, fans and all other moving parts when starting, operating or repairing equipment.
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Page 6: The Knowledge Of Electric And Magnetic Fields
SUMMARY Connect the work cable to the work as close to the welding area as practical. Work cables connected to the building framework or other locations away from the welding area increase the possibility of the welding current passing through lifting chains, crane cables or other alternate circuits. -
Page 7: Summary
SUMMARY §2 Summary This operation manual is suitable for the model of YT-81352, YT-81353. §2.1 Brief Introduction YT-series welders are general MMA arc welder which adopts the latest pulse width modulation (PWM) technology and the insulated gate bipolar transistor (IGBT) power module. -
Page 8: Volt-Ampere Characteristic
SUMMARY technology to insure current output stably. Meanwhile, the welding current parameter can be adjusted continuously and steplessly to meet with the requirements of welding craft. Medium Medium Single phase, AC Rectify Inverter frequency frequency Hall device 220/230V 50/60Hz transformer rectify Current positive- feedback control... -
Page 9: Installation & Adjustment
(10 minutes). The rated duty cycle The relation between duty cycle and welding current for YT-81352,YT-81353 supplied by 230V/50Hz means the proportion of the time that a machine can work continuously within 10 minutes when it outputs the rated welding current. -
Page 10: Welding Polarity Connection Way
INSTALLATION AND ADJUSTMENT §3.3 Welding polarity connection way §3.3.1 MMA YT-81352 YT-81353 Welding holder electrode workpiece DCEP Connection DCEP is only supported. -
Page 11: Operation Control And Connectors
OPERATION CONTROL AND CONNECTORS §4 Operation control and connectors §4.1 Layout for front & rear panel (example for YT-81352 YT-81352 and YT-81353 have the same penal; 1) Alarm lamp Over-heat or over-current. 2) MMA lamp 3) LIFT TIG lamp 4) Welding mode key... -
Page 12: Parameters Adjustment
OPERATION CONTROL AND CONNECTORS §4.2 parameters adjustment Take example for YT-81352. Welding current range is 20A 210A at 220-240V, 20A~130A at 100V~120V. Hot start current range is 0%~100%. Arc force value range is 0%~100%. YT-series welder has the pre-setting function of welding current, hot start current, arc force value. -
Page 13: Manipulation Of Electrode
OPERATION CONTROL AND CONNECTORS Lifting arc: take the electrode to scrape the workpiece for striking arc. But it may cause the arc scratch, so must to lift arc in the groove. §4.4.2 Manipulation of electrode In MMA welding, there are three motions to being matched in the end of electrode: the electrode moving to the molten pool along axes;... -
Page 14: Arc Welding Defect And Prevent Method
OPERATION CONTROL AND CONNECTORS 1 of Edition 2. Electrode should be drying according to user manual before using. For reducing the hydrogen of the molten pool and welding seam, and avoiding the blowhole and cold crack. In the welding process, the arc must not be too long; otherwise, it will cause unstable arc burning, large spatter, light penetration, undercut, blowhole, etc. -
Page 15: Operation Environment
OPERATION CONTROL AND CONNECTORS Defect name Caused reasons Prevent methods Welding The groove angle is not proper Choosing the proper groove angle & assembly seam doesn’t The root face and assembly gap is not equal gap, improve the assembly quality meet the Welding technics parameters are unreasonable Choosing the proper welding parameters... -
Page 16: Operation Notices
OPERATION CONTROL AND CONNECTORS ·The content of dust, acid, corrosive gas in the surrounding air or substance can not exceed normal standard. ·Take care that there is sufficient ventilation during welding. There is at least 30cm free distance between the machine and wall. §4.7 Operation Notices ·Read §1 §4.2 carefully before attempting to use this equipment. -
Page 17: Maintenance & Troubleshooting
MAINTENANCE AND TROUBLESHOOTING §5 Maintenance & Troubleshooting §5.1 Maintenance In order to guarantee that arc welding machine works high-efficiently and in safety, it must be maintained regularly. Let customers understand the maintenance methods and means of arc welding machine more , enable customers to carry on simple examination and safeguarding by oneself, try one's best to reduce the fault rate and repair times of arc welding machine, so as to lengthen service life of arc welding machine .Maintenance items in detail are in the following table. -
Page 18: Troubleshooting
MAINTENANCE AND TROUBLESHOOTING Check up the bolt in arc welding machine, if it is loose, please screw down it. If it is skid, please replace. If it is rusty, please erase rust on bolt to ensure it works well. Whether the actual current accords with the displaying value. If they do not Quarter- accord, they should be regulated. - Page 19 If there are some simple troubles of YT-series welding machines, you can consult the following overhauling chart: Troubles Reasons Solutions The power light damaged or Test and repair the inside connection is not good circuit of power light Pr3 Turn on the power source, and fan works, but the power light is not on.
- Page 20 Over welding Induce the welding current current output Over heat protection Working time Induce the duty cycle (interval The alarm light is on too long work) Unusual Over current Test and repair the main circuit current in the protection and drive PCB (Pr1) main circuit...
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Page 21: Electrical Principle Drawing
§5.3 Electrical principle drawing YT-81352... - Page 22 YT-81353...
- Page 23 Important parts of YT-81352 Important parts of YT-81353 Serial Serial Name TEM NO. Name TEM NO. Nmber Nmber ZY8135201 Metal back panel ZY8135301 Metal back panel ZY8135202 ZY8135302 ZY8135203 Switch ZY8135303 Switch ZY8135204 IGBT ZY8135304 IGBT ZY8135205 Main PCB ZY8135305...
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