Summary of Contents for Wholesale Digi-Multi 250 ACDC
- Page 1 THANKS FOR PURCHASING OUR PRODUCT DC INVERTER AC TIG/DC TIG DC MMA/CUT WELDING MACHINE OPERATION INSTRUCTIONS （ BE SUITABLE FOR 1x220V~240V ）...
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Page 2: Safety Precautions
SAFETY PRECAUTIONS Follow these precautions carefully. Improper use of any welder can result in injury or death. 1. ONLY CONNECT WELDER TO A POWER SOURCE FOR WHICH IT WAS DESIGEND. The specification plate on the welder lists this information. When welding outdoors only use an extension cord intended for such use. -
Page 3: Main Usage And The Range Of Usage
MAIN USAGE AND THE RANGE OF USAGE ， Digi-Multi 250 ACDC Welder is triple functional machine used as DC MMA/CUT AC TIG, DC/PULSE TIG Welder. All ferrous metals copper, Aluminium ,titanium and stainless steel material can be omnibearing welding in all position.The welding current is stable and stepless adjustable.The welding seam is nice. - Page 4 Ⅲ. OPERATING CONDITION AND WORK SURROUNDING 1. Operating condition: 。 Voltage of power source: 1 xAC 220~240 V Frequency: 50/60Hz Reliable grounding protection 2.Work surrounding ① ℃ . relative humidity: not more than 90 %( average monthly temperature not more than 20 ) ②...
- Page 5 Digi-Multi 250 ACDC 1.Memory chanel LED 2. Data Display meter 3. Parameter Select function 4.indicating light of power 5. S -- unit of up & downslope time & pre& post flow time % -- unit of AC balance &peak time on Hz-- unit of pulse freq.&AC freq.
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Page 6: Argon Arc Welding(Tig)
Ⅵ.METHOD OF THE OPERATION 1.ARGON ARC WELDING(TIG) a. FRONT OF WELDER b. BACK OF WELDER switch Digi-Multi250 ACDC flow meter gas inlet pipe argon bottle 15 17 torch workpiece 1.1 CLEARING BEFORE WELDING Tungsten argon an welding is very sensitive to surface contamination of filled metal. Therefore before welding is carried out, grease, paint and coating on the surface,lubricant for machining and oxidized film should be removed. -
Page 7: Pulse Argon Arc Welding
⑥ . Tungsten electrode end is 2-3mm away from the welding workpiece. Press the torch switch,arc striking will occur. Notice: During welding, when the" 12. 2T/4Tswitch"on "2T", switch of the torch must be pressed and can not be released.otherwise the arc will be broken. ⑦... -
Page 8: Ac Argon Arc Welding
resistance of molten seam and preservation of bath. It is easy to obtain even fusing deepness. This process is specially applicable to omni-bearing welding of sheet and formation to be done with both sides through one side welding. b. Heating and cooling of each welding point is very fast,.Therefore,the process is applicable for the workpiece with great difference of heat conductivity and thickness. -
Page 9: Hand Welding With Electrode
5. The Method of the welding same as 1.1 2.Hand welding with electrode ① .selector "9" onto the position " DC+ " or "DC-" ② . select right welding current select empiric formula:I=40d, d is dia. of the electrode. ③ .Notice positive and negative connection during welding. WELDER WELDER ELECTRODE... - Page 10 (1). Connect the machine correctly according the sketch. And switch on the air compressor until to its rated pressure. It will be turned off automatically to adjust the air pressure-reduced valve to the proper value.(0.25-0.5MPa generally) ( 2). Join the power switch of the cutting machine. The power indication lamp lights.The cooling fan begins working.
- Page 11 Ⅷ. This product is sold subject to the understanding that if any defect in manufacture or material shall appear within 12 months from date of consumer sale, the manufacturer will arrange for such defect to be rectified without charge on the sales invoice and warranty card (except for any personal trouble).
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Page 12: Packing List
─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ Certificate of quality Name of product: AC/DC/PULSE TIG WELDING Type of product: Digi-Multi 250 ACDC Packing Test results of this welder fulfils_____________ _________technical requirements and its release from the works is granted. - Page 13 Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. WARNING electrode with skin or wet clothing. Insulate yourself from work and ground. Spanish No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el AVISO DE bajo carga con la piel o ropa moja-...
- Page 14 Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. WARNING remove fumes from breathing zone. Spanish Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o AVISO DE...
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