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ISO9001:2000
2012
．
0 9
Inverter DC MMA Arc Welding Machine
SKYARC ULTRA 3140
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.
INTRODUCTION
OPERATORS' MANUAL
I
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Table of Contents
Troubleshooting
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Summary of Contents for Sweiss SKYARC ULTRA 3140
- Page 1 OPERATORS’ MANUAL Inverter DC MMA Arc Welding Machine ISO9001:2000 SKYARC ULTRA 3140 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.
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Page 2: Table Of Contents
INTRODUCTION CONTENT §1 SAFETY............................1 §1.1 S ..............................1 IGNAL XPLANATION §1.2 A ..............................1 ELDING AMAGE §1.3 T ....................4 HE KNOWLEDGE OF LECTRIC AND AGNETIC IELDS §2 SUMMARY............................ 6 §2.1 B ..............................6 RIEF NTRODUCTION §2.2 W ...............................7 ORKING RINCIPLE §2.3 V ............................7 MPERE HARACTERISTIC... - Page 3 CONTENT...
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Page 4: Safety
SAFETY §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 5 SAFETY insulate hands. 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 6 SAFETY ARC RAYS CAN BURN. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Use suitable clothing made from durable flame-resistant material to protect your skin and that of your helpers from the arc rays.
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Page 7: The Knowledge Of Electric And Magnetic Fields
SAFETY inside. They can cause an explosion even though they have been “cleaned”. Vent hollow castings or containers before heating, cutting or welding. They may explode. Sparks and spatter are thrown from the welding arc. Wear oil free protective garments such as leather gloves, heavy shirt, cuff less trousers, high shoes and a cap over your hair. - Page 8 SAFETY EMF is still ongoing. Before any conclusion, we should minimize exposure to EMF as few as possible. In order to minimize EMF, we should use the following procedures: Route the electrode and work cables together – Secure them with tape when possible. All cables should be put away and far from the operator.
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Page 9: Summary
This operation manual is suitable for the models of §2.1 Brief Introduction SKYARC ULTRA 3140 | ULTRA POWER | 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 10: Working Principle
PWM——Pulse-Width Modulation; IGBT——Insulation Gate Bipolar Transistor; TIG——Tungsten Inert Gas welding. §2.2 Working Principle The working principle of SKYARC ULTRA 3140 | ULTRA POWER |welder is shown as the following figure. Single phase work frequency (50/60 Hz) AC is rectified into 208V 4 60V±10%... - Page 11 SUMMARY When I ≤600A，U ＝20＋0.04 I （V） ；When I ＞600A，U ＝44（V） （ ） Volt-ampere characteristic The relation of the rated loading Working voltage&welding current point （ ）...
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Page 12: Installation & Adjustment
INSTALLATION AND ADJUSTMENT §3 Installation & Adjustment §3.1 Parameters SKYARC ULTRA 3140 Model Power Supply 1~110/208/220/230/240±10% 1~380/400/440/460±10% 3~220/230/240±10% 3~380/400/440/460±10% Voltage(V) Frequency(Hz) 50/60 50/60 50/60 50/60 Rated input 6.25 12.8 Power （ ） Rated input 28.4 31.8 23.4 24.7 23.4 24.7 13.5... -
Page 13: Duty Cycle & Over Heat
INSTALLATION AND ADJUSTMENT §3.2 Duty cycle & Over heat The letter “X” stands for duty cycle, which is defined as the proportion of the time that a machine can work continuously within a certain time (10 minutes). The rated duty cycle means the proportion of the time that a machine can work continuously within 10 minutes when it outputs the rated welding current. -
Page 14: Welding Polarity Connection Way
INSTALLATION AND ADJUSTMENT The relation between duty cycle and The relation between duty cycle and welding current for GM -3150 welding current for GM -3150 ％ ％ （ ） （ ） Input: three phase 220V M MA Input: three phase 220V The relation between duty cycle and The relation between duty cycle and welding current for GM -3150... -
Page 15: Tig
INSTALLATION AND ADJUSTMENT §3.3.2 TIG SKYARC ● When TIG operation, the shielded gas is inputted to welding gun directly, and W e l d i n g g u n the method of lifting arc is scraping arc. W o r k p i e c e D C E N 1、... -
Page 16: Operation Control And Connectors
OPERATION CONTROL AND CONNECTORS §4 Operation control and connectors §4.1 Layout for front & rear panel 315 AMP 108 - 440V / 1ph & 3ph 108-440V 1ph & 3ph 200 A 250 A 315 A SKYARC 3140 Imax M MA S c h w e i s s t e c h n i k SWEISSWELD.COM Welding current display... - Page 17 OPERATION CONTROL AND CONNECTORS VRD pilot lamp Choose the switch as shown below to choose VRD model. Model Condition “on” turn on No load “off” turn off “on” turn off Choose “1” Welding “off” turn on “on” turn on No load/Welding “off”...
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Page 18: Welding Current Adjustment
Choose “ON”, power through; Choose “OFF”, power cut off. §4.2 Welding current adjustment SKYARC ULTRA 3140 welder has the function of welding current pre-setting. Before welding, adjusting welding current, the welding current display will show the ampere. It is convenient to set parameters and adjust accurately. -
Page 19: Manipulation Of Electrode
OPERATION CONTROL AND CONNECTORS §4.3.2 Manipulation of electrode In MMA welding, there are three motions to being matched in the end of electrode: the electrode moving to the electrode molten pool along axes; the electrode weld swing right and left; the electrode moving workpiece along welding way. -
Page 20: Arc Welding Defect And Prevent Method
OPERATION CONTROL AND CONNECTORS Factor/K ～ ～ ～ Notice: the above parameters originate from《Welding Dictionary》P66～P67, Volume 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. -
Page 21: Operation Environment
OPERATION CONTROL AND CONNECTORS drying Strictly to dry the electrode according to Under current or over speed in the welding manual The arc is too long or lean burning, the Correctly to choose parameters and to operate molten pool protection is not good Using the short arc operation Over current, the coating of electrode falls Welding operation in the field should have... - Page 22 When power switch shuts off protectively because of failure. Don’t restart it until ● problem is resolved. Otherwise, the range of problem will be extended. In case of problems, contact your local dealer if no our authorized maintenance ● man. SWEISS...
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Page 23: 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 24: Troubleshooting
MAINTENANCE AND TROUBLESHOOTING Using the dry compressed air to clear the inside of arc welding machine. Especially for clearing up the dusts on radiator, main voltage transformer, inductance, IGBT module, the fast recover diode and PCB, etc. Monthly examination Check up the bolt in arc welding machine, if it is loose, please screw down it. - Page 25 MAINTENANCE AND TROUBLESHOOTING If there are some simple troubles of SKYARC ULTRA 3140 | ULTRA POWER | welding machines, you can consult the following overhauling chart: Troubles Reasons Solutions The power light damaged or connection is Test and repair the inside circuit of...
- Page 26 MAINTENANCE AND TROUBLESHOOTING Over current Unusual current in the Test and repair the main circuit and protection main circuit drive PCB (Pr1)
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Page 27: Electrical Principle Drawing
MAINTENANCE AND TROUBLESHOOTING §5.3 Electrical principle drawi... - Page 28 NOTES...
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