Ronch 200 TIG AC/DC
The Ronch 200 TIG AC/DC is an inverter-type machine with multifunction capabilities that includes TIG AC/DC and MMA (STICK), meeting both precision and versatility requirements.
- Download the Specs Sheet
- Download the User's Manual
- Request the service manual
Compatible with 110 V and 220 V networks, this equipment is suitable for urban workshops, field work, the energy and manufacturing industries, among others.
Below, we present a detailed description of the equipment, its benefits, the industrial sectors that use it most, answers to frequently asked questions from buyers, and recommendations for choosing good TIG welding equipment.
Technical specifications of the Ronch 200 TIG AC/DC
| Feature | Parameter | |||
|---|---|---|---|---|
| Frequency (Hz) | 50/60 | |||
| Input power (V) | 1~110/120/130 (±10%) | 1~220/230/240 (±10%) | ||
| Nominal input power (KW) | 4.2 (Stick) | 3.6 (TIG) | 6.6 (Stick) | 4.7 (TIG) |
| Rated input power (A) | 40 (Stick) | 32 (TIG) | 28 (Stick) | 21 (TIG) |
| Work cycle (40ºC 10min) | Stick 130A 30% 110A 60% 80A 100% | TIG 160A 60% 125A 100% | DC 200A 35% 140A 60% 110A 100% | AC 200A 60% 155A 100% |
| Current range (A) | 5~130 | 5~160 | 5~200 | |
| Pre/post flux (S) | 0.1~10 / 1~10 | |||
| No-load voltage (V) | 67 | |||
| Power supply voltage (A) | 90~275 | |||
| Up/down slope | 0 - 10 | |||
| Net weight kg (lb) | 15 (33) | |||
| Shipping dimensions (mm) | 492x189x350 | |||
| Pulse width range (%) | 5~95 | |||
| Efficiency (%) | 80 | |||
| AC Frequency (Hz) | 50~250 | |||
| Pulse frequency (Hz) | 0.5~200 | |||
| Isolation class | H | |||
| Protection class | IP23 | |||
| Refrigeration | Forced air | |||
Key benefits of having reliable, state-of-the-art TIG welding equipment
- Excellence in weld quality: TIG is one of the cleanest processes: minimal smoke, no spatter, excellent finish. For finished products, visibility, aesthetics, sanitation, etc., it becomes essential.
- Versatility in metals and applications: For steel, stainless steel, aluminum, and light alloys; AC allows aluminum to be worked and DC offers better penetration in steels. For mixed workshops or plants with a variety of materials, this flexibility reduces the need for multiple pieces of equipment.
- Long-term cost reduction: Less material waste, less rework, lower energy consumption—modern inverter equipment makes better use of electrical energy—and longer equipment and consumable life.
- Precision, less distortion, and better finish: In sectors where compliance with quality standards, aesthetics, tolerances, etc. is required, TIG welding allows for precise, controlled welds that ensure strong, aesthetic, and inspection-ready structures.
- Higher productivity when used properly: Although TIG can be slower than MIG in some cases, properly sized equipment with a good duty cycle, good accessories, and trained operators allows for high yields with quality.
- Better performance in demanding environments: In applications involving corrosion, chemical exposure, and humidity (aluminum, aerospace, exposed structures)—a well-done TIG weld extends service life and reduces maintenance.
- Regulatory compliance: Some industries require certified welds with low defect levels, no porosity, and an aesthetic finish: food, pharmaceutical, chemical industries, etc.
- Local technical support and availability of spare parts: Having the backing of brands with a service network guarantees maintenance, warranty, and availability of specific consumables such as tungsten electrodes, nozzles, etc.
Industrial sectors that most commonly use TIG welding
Oil and energy industry: maintenance of pipes, steel containers, tanks, refinery facilities, hydroelectric plants, solar energy, etc. Where welds must withstand corrosion and pressure.
Aerospace and aerostructures: although this is a more specialized sector, there is growth in components, maintenance, aluminum and stainless steel parts that require high precision.
Automotive industry/heavy transport: special bodywork, aluminum or stainless steel parts, cosmetic repairs that require clean welding.
Metalworking: machinery, assemblies, metal structures, bevel welding, tool manufacturing.
Food and pharmaceutical equipment manufacturing: tanks, pipes, chambers, machinery that must meet hygiene standards, where stainless steel material and clean welding are crucial.
Construction: visible metal structures, facades, aluminum or steel frames, architectural finishes.
Metal furniture and decorative works: for fine details, urban art, metal furniture that must have a good finish.
Frequently asked questions about the Ronch 200 TIG AC/DC welding equipment
1. What is the advantage of using AC/DC TIG equipment over DC only?
AC/DC adds the ability to clean oxides (AC) when welding metals such as aluminum, which cannot be achieved with pure DC. If you only work with steel, DC may be sufficient, but you would lose quality and the ability to work with light metals.
2. What is the duty cycle and how is it interpreted for use?
It means the current that can be maintained for a certain percentage of the time. For example, if your work environment has a higher than recommended ambient temperature, it can affect the duty cycle: the equipment will heat up faster.
3. Can it operate with typical electrical networks without problems?
Yes, as it supports both 110 V and 220 V, you can use it in different regions without the need for special transformers, always ensuring that the installation is properly sized with adequate cables.
4. What shielding gas should be used?
Pure argon is the most common. For some alloys, an argon-helium mixture can be used. It is important that the gas be of good purity to avoid porosity.
5. Is it necessary to have a supply of filler material?
It depends on the application. In some repairs or root passes, filler material may not be required; in others, filler rod suitable for the base metal is used.
6. What kind of maintenance does AC/DC TIG equipment require?
Cleaning nozzles, torches, replacing tungsten, checking electrical connections, cooling fans, adjusting AC balance and other parameters, verifying the integrity of the equipment body.
7. What accessories are needed in addition to the basic equipment?
TIG torch with AC/DC capability, gas and regulator (flow meter), tungsten electrodes, filler rods, personal safety equipment (mask, gloves, apron, eye protection), good ventilation.
8. What is the difference between a smooth AC current waveform and a rougher or “hard” waveform?
The shape of the AC wave affects oxide cleaning and arc stability. Smoother waves can provide less turbulence and less noise around the arc. Harder waves tend to offer better performance at certain angles or conditions, but can generate more spatter if not adjusted properly. Modern equipment allows you to select or adjust the waveform for the appropriate use.
9. How much does it cost to operate AC/DC TIG equipment in terms of electricity, gas, and maintenance consumption?
It will depend on usage, but with efficiency ≥ 85%, good duty cycle, and good gas usage, the costs are offset by less rework and better quality. It is important to estimate electricity consumption (amperage, hours of operation), gas usage, and tungsten and rod wear.
10. Where can I obtain warranty, technical support, and spare parts for Ronch?
At authorized Ronch distributors and specialized technical centers. Verify that the seller offers an official warranty, original spare parts, customer service, etc.
