Paragweld - Welding Machine Manufacturer in India

Parag Traders was established in GIDC, Vatva, Ahmedabad in 1980 by Mr.Parag Mashruwala to cater to the requirement of welding electrodes, equipments™ and accessories.

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Pulse TIG/MMA AC/DC Welder Series Machine

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Pulse TIG/MMA AC/DC Welder Series Machine Manufacturer

Pulse TIG welding switches the current between a high peak and a lower background level many times a second. The peak melts the joint and the background lets the pool cool slightly, so you get full fusion with less total heat. That means less distortion and burn-through on thin stainless steel and sheet, and a neat, even bead. An AC output adds a cleaning action that breaks up the oxide skin on aluminium and magnesium, which DC TIG cannot weld well. The MMA function lets the same machine run stick electrodes when TIG is not practical.

Paragweld offers five machines in this series, each combining TIG and MMA welding. The TIG 200p and TIG 200p AC/DC are listed for a single-phase 220 V supply, which suits smaller workshops. The TIG 400p, TIG 315p AC/DC and TIG 400p AC/DC run on three-phase 415 V and deliver up to 315 A or 400 A. Every model is rated at a 60% duty cycle.

TIG 200p
TIG 200p
TIG 400p
TIG 400p
TIG 200p AC/DC
TIG 200p AC/DC
TIG 315p AC/DC
TIG 315p AC/DC
TIG 400p AC/DC
TIG 400p AC/DC

frequently asked questions (FAQ)

Pulse is most useful when heat control matters more than speed. It helps on thin sheet that burns through easily, on stainless steel where you want to limit heat tint and distortion, on joints between parts of different thickness, and in vertical or overhead positions where the pool must freeze quickly. For thicker sections welded flat, standard DC TIG is often simpler.
Aluminium and magnesium alloys need an AC output for TIG welding, because the AC cycle breaks up the tough oxide skin on the surface. For this work choose one of the AC/DC models: the TIG 200p AC/DC, TIG 315p AC/DC or TIG 400p AC/DC. Steel, stainless steel and copper are welded on DC. Please confirm the exact output modes of the TIG 200p and TIG 400p with our team.
Yes. The TIG 200p and TIG 200p AC/DC are listed for a single-phase 220 V ±15%, 50/60 Hz input, so they can work where three-phase power is not available. The TIG 315p AC/DC, TIG 400p and TIG 400p AC/DC need a three-phase 415 V supply. Use a dedicated socket and cable of the right rating, and ask our team if you are unsure about your connection.
The TIG 200p covers 10-200 A, which is enough for most sheet metal and thin-wall tube. The TIG 315p AC/DC gives 10-315 A, and the TIG 400p and TIG 400p AC/DC go up to 400 A for thicker sections and heavier stick electrodes. All models are rated at a 60% duty cycle. Choose the machine by the thickest material you weld regularly, not the occasional job.
MMA (stick) welding lets you use the same power source for jobs where TIG is slow or not practical, such as tacking heavier steel, repair work on dirty or painted parts, or welding outdoors where wind would blow away the argon shield. You only need to connect an electrode holder and earth clamp and switch the mode, so one machine covers both processes.

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