SIASUN Industrial Robot Arm (SR210A-210/3.05-DW)

Most robot arms are admired for how far they reach outward, but many plants struggle with the opposite problem: getting a heavy tool down into a deep car body or a deep cavity and working there with precision. The SIASUN Industrial Robot Arm (SR210A-210/3.05-DW) is a Reach-Down Robot, built for the places where a conventional arm runs out of room.

The product is available through this page, by quotation.

Background

The SIASUN brand and the heavy-load family

SIASUN is an industrial robot brand, and its arms are offered in a range of payload classes, from small handling robots to very large machines. The SR210A-210/3.05-DW sits in the large-payload end of that range. Buyers who want to see the whole group can browse the Large Payload category, or look at the wider Robot Arms category for smaller models.

The model code carries the main idea. The 210 refers to the payload in kilograms, and 3.05 refers to the reach in meters. The remainder of the code identifies the series and the variant, and it should always be quoted exactly as written when you ask for a quotation: SR210A-210/3.05-DW.

Positioning: a robot designed to work downward

This model is an industrial robot for heavy-load and deep-cavity working environments. Its forward-extending design increases the downward reach of the upper and lower arms. In practice, that means the arm can extend into narrow or deep spaces for precise operations, with a maximum downward reach of 3050 mm.

Advanced servo drives and a high-rigidity structure keep the robot stable and accurate when fully loaded. That combination matters because a long arm carrying a heavy load is exactly where flex and drift appear in lesser designs. The arm can also be mounted on top of machine tools, which saves valuable workspace on the floor.

Technical Specifications

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

The manufacturer has not published the weight, the axis speeds, the axis ranges of motion, the power supply, the controller model, the contents of the box, the wrist moment ratings, the operating temperature or the communication interfaces; they are confirmed at quotation.

What makes a reach-down robot different from a standard industrial arm?

A standard arm is usually laid out to cover a wide area around its base. It is happy picking parts off a table or a pallet. When the work is below the base, inside a hollow part or deep in a fixture, the geometry of a standard arm works against it, because the upper and lower arms cannot fold down far enough without the wrist colliding with the workpiece.

The reach-down layout answers that problem. The forward-extending design increases the downward reach of the upper and lower arms, so the wrist and tool can travel a long way below the mounting point. The maximum downward reach is 3050 mm, which is very close to the 3053mm reach figure. The arm is therefore not just a long-reaching robot; it is one whose motion range is shaped around deep work.

This also changes how a cell can be planned. Because the robot can be mounted on top of machine tools, it does not have to take up floor area beside the machine. A plant short on space can place the arm above the equipment it serves and let it reach down into the work zone. That is a practical benefit for crowded workshops in any market, including island facilities where every square meter counts.

How does the SR210A-210/3.05-DW handle heavy loads accurately?

Payload and precision are often traded against each other, so it is worth looking at both numbers together. The arm carries 210 kg (463 lbs) and has a repeatability of ±0.06mm. Advanced servo drives and a high-rigidity structure keep it steady, and stability and positioning accuracy are maintained even when the robot is fully loaded.

For the buyer, this means a heavy gripper, a large casting or a welding package can be carried without the arm being the weak link in the cell. The wrist is rated IP67, which is useful where the tool end of the robot meets dirt, splashes or process residue. Heavy tools with a long offset should be reviewed with us at quotation before the design is fixed.

Who is the SIASUN SR210A-210/3.05-DW for?

The first group is automotive and body-in-white manufacturers. Welding inside automobile bodies is a typical task, and that is the textbook case for a robot that must enter a deep, narrow space with a heavy tool.

The second group is foundries and plants that handle large castings. Lifting a heavy part out of a deep fixture or placing it into a machine is a job that is typically challenging, and a reach-down layout with a 210 kg payload is aimed squarely at it.

The third group is machine shops that want to keep floor space free. Since the arm can be mounted on top of machine tools, it suits operators who are loading or serving a machine from above rather than from the side.

Not every buyer needs this much arm. Where the parts are lighter, a smaller model such as the SIASUN Industrial Robot Arm (SR50A-50/2.15) may be a better fit. Where the load is still heavier, the SR500A-360/2.83 belongs in the comparison. Buyers who like the 3053 mm reach but have a lighter load can look at the SR210-120/3.05. We are glad to help you decide between them.

What is the SIASUN SR210A-210/3.05-DW used for?

1. Welding inside automobile bodies. The reach-down design lets the arm extend into the body shell and hold a heavy welding tool steady.
2. Handling large castings. The 210 kg (463 lbs) payload carries heavy cast parts into and out of machines and fixtures.
3. Working in deep cavities. The downward reach of up to 3050 mm lets the tool operate well below the mounting point.
4. Working in narrow spaces. The arm can extend into narrow openings for precise operations where a standard arm could not fit.
5. Serving machine tools from above. Top mounting on machine tools saves floor space and keeps the work area clear.
6. Heavy-load work in demanding conditions. A high-rigidity structure and an IP67 wrist suit tough production environments.

Pricing and Availability

We do not print prices on this page. Please request a quotation, and tell us about your application, the tools you plan to carry and the machines the arm will serve. Delivery, customs and support are arranged together with the quotation, so you know the full picture before you commit. The SIASUN Industrial Robot Arm (SR210A-210/3.05-DW) is available on this page.

Frequently Asked Questions

What payload can the SR210A-210/3.05-DW carry?

The payload is 210 kg (463 lbs).

How far can the arm reach?

The reach is 3053mm, and the maximum downward reach is 3050 mm. The reach-down design is what makes the second figure possible.

How accurate is it?

The repeatability is ±0.06mm. The arm keeps its stability and positioning accuracy even when fully loaded.

What protection rating does it have?

The wrist is rated IP67.

Can it be mounted on a machine tool?

Yes, it can be mounted on top of machine tools, which saves valuable workspace.

Which tasks is it best suited to?

Welding inside automobile bodies and handling large castings are typical tasks. It is designed for heavy-load and deep-cavity environments.

Where can I buy the SR210A-210/3.05-DW and what does it cost?

You can request it through this page, by quotation. We do not list prices; the quotation covers the robot, delivery, customs and support.

Summary

The question with this robot is not how far it stretches outward but how deep it can work. A reach-down layout, a 210 kg (463 lbs) payload, ±0.06mm repeatability and an IP67 wrist make the SR210A-210/3.05-DW a focused answer for body welding, casting handling and other deep-cavity jobs. If that sounds like your application, this page is the starting point.