SIASUN Sheet Metal Welding Machine Set

A thin steel panel gives a welder no room to hide. Too much heat and it warps, and a restless arc leaves spatter that turns a finished part into a grinding job. The SIASUN Sheet Metal Welding Machine Set is built for that narrow margin. It combines a SIASUN SR-series robot, a digital welding power source and a welding process package into one working cell.

The product is available through this page, by quotation.

Background

SIASUN and its robotics lineage

SIASUN builds industrial robots, and this set is centered on its independently developed SR-series robots. The company does not sell the robot alone. It pairs the arm with a next-generation intelligent welding control system and digital welding equipment, so the buyer receives a coordinated welding solution instead of separate parts that must be matched on site.

SIASUN also plans for a global footprint. It has overseas branches and regional hubs in Singapore, Thailand, Malaysia, Germany, Mexico, Japan and beyond. For a buyer in the Caribbean, that international presence is useful context when thinking about a long-term equipment relationship.

Positioning and key technology

The set is listed as Sheet Metal Welding Machine Set [M350]. Its focus is thin carbon steel sheet, where ultra-low spatter welding is achieved on sheets from 1 to 3mm thick. Its central idea is that the robot, the welding system and the process know-how work as a trinity on an intelligent robotics platform, which is meant to give a stable and efficient fusion of the three.

The welding side rests on three technical choices. A 110kHz high-frequency hardware system, together with proprietary algorithms, provides precise “chopping” control. An all-digital control system governs the arc and the droplet and stabilizes the weld pool. Soft-switching inverter technology supports equipment reliability and energy efficiency.

Technical Specifications

Specifications as published by the manufacturer; confirmed against the datasheet at quotation.

The manufacturer has not published the welding power source rated output current, the rated input power, the set weight, the set dimensions, the robot payload, repeatability and reach for this set, the IP rating, the contents of the box or the wire feeding speed; they are confirmed at quotation.

What makes the SIASUN Sheet Metal Welding Machine Set good at thin sheet?

Spatter on thin sheet comes mostly from the moment the molten droplet detaches from the wire. When the liquid bridge between wire and weld pool ruptures, and when electromagnetic repulsion acts on the droplet, material is thrown outward. This set addresses that moment directly. The 110kHz high-frequency hardware system and the proprietary algorithms give precise “chopping” control over the transfer, and spatter is reduced by 60%.

Heat is the second problem. Heat input can be finely adjusted and is decreased by 10%-20%, which makes thin sheet welding easier to manage with minimal distortion. The all-digital control system keeps the arc and droplet under close control, which steadies the weld pool. For a fabricator, that means less rework at the grinder and fewer panels rejected for warping.

The standard functions also suit production work. Flying Welding and Continuous Spot Welding cover different seam patterns. Rotational Mirror Translation is on the list for repeating a program in another orientation. The Reservation Function and the Breakpoint Recovery Feature help a cell carry on after an interruption. Optional seam finding, weld seam tracking and multi-pass welding can be added where the parts call for them.

How does it differ from the Medium and Thick Plate set?

The sources name two versions: the Sheet Metal Welding Machine Set [M350], described on this page, and the Medium and Thick Plate Welding Machine Set [M500]. The first is tuned for carbon steel sheets from 1 to 3mm, with spatter and heat input as the main concerns. If your parts are heavier plate, look at the SIASUN Medium And Thick Plate Welding Machine Set instead. We do not carry over any figure from one version to the other. Each set is quoted with its own configuration.

Who is the SIASUN Sheet Metal Welding Machine Set for?

The set suits fabricators whose work is mostly thin carbon steel: enclosures, panels, brackets, frames and similar formed parts. It is a good fit where the finish matters, because low spatter means less cleaning. It also suits workshops that struggle with distortion on thin material and want finer control over heat.

It is a sensible step for a shop moving from manual welding to a robotic cell, since the robot, the power source and the process are supplied as one matched system. Integrators and plant engineers who want a welding package built around one robot family will find the same logic useful. Buyers with heavier plate should consider the medium and thick plate version linked above. Those who want to compare other robot types can browse Welding Robots and the wider range of Industrial Robots. For programming without manual teaching, the SIASUN Teach-Free Welding Robot is another page to review.

What is the SIASUN Sheet Metal Welding Machine Set used for?

1. Thin carbon steel welding. Ultra-low spatter welding on carbon steel sheets from 1 to 3mm thick.
2. Distortion-sensitive parts. Finely adjusted heat input, decreased by 10%-20%, for panels that must stay flat.
3. Spot-style sequences. Continuous Spot Welding and Flying Welding for repeated weld points along a part.
4. Seam-critical work. The optional seam finding and weld seam tracking functions help where part position varies.
5. Multi-pass joints. The optional multi-pass welding capability extends the cell to joints that need more than one pass.
6. Continuous production. The Reservation Function and Breakpoint Recovery Feature help the cell restart after a stop.

Pricing and Availability

We do not publish prices on this page. Quotation is the way to proceed: tell us your parts, your sheet thickness and the optional functions you need, and we will prepare a quotation for the set. Delivery, customs and support are arranged together with the quotation. The SIASUN Sheet Metal Welding Machine Set is available on this page.

Frequently Asked Questions

Which robots come with the set?

The robot types listed are SR12A-12/1.46 and SR25A-12/2.01. The robot is chosen as part of the quotation.

Which welding machines and torches are used?

The listed welding machines are MEGMEET Dex2 350LDR and Aotai NBC350RL. The listed torches are Loyee GL350N-HDA and TRM 352P.

What sheet thickness does it handle?

It achieves ultra-low spatter welding on carbon steel sheets from 1 to 3mm thick.

How much does it reduce spatter and heat?

Spatter is reduced by 60%, and heat input can be finely adjusted and is decreased by 10%-20%.

Which functions are optional?

The optional functions are the Seam Finding Function, Weld Seam Tracking and Multi-Pass Welding Capabilities. Flying Welding, Continuous Spot Welding, Rotational Mirror Translation, the Reservation Function and the Breakpoint Recovery Feature are standard.

Is there a version for thicker plate?

Yes. The Medium and Thick Plate Welding Machine Set [M500] is the version for heavier material. See the SIASUN Medium And Thick Plate Welding Machine Set page.

Where can I buy the SIASUN Sheet Metal Welding Machine Set and what does it cost?

You can request it through this page. The cost is given in a quotation prepared for your configuration, so no price is shown here.

Summary

Thin sheet leaves little margin, and this set is designed around that margin. A robot from SIASUN’s SR series, a digital welding source with 110kHz chopping control and a stable all-digital arc work together to cut spatter by 60% and lower heat input by 10%-20%. For shops welding carbon steel from 1 to 3mm, that means cleaner parts and less distortion. To discuss your parts and receive a quotation, this page is the starting point.