SIASUN SR270A-270/2.70 (SR270A-270/2.70)

Lifting a heavy load is the easy part. Bringing that mass to rest exactly where the next operation expects it, cycle after cycle, is where most heavy-duty automation earns or loses its keep. Inertia does not care about takt time. The SIASUN SR270A-270/2.70 is built around that problem: a large-payload industrial robot that pairs a stiff, gear-driven structure with motion-planning software, so that speed and stopping accuracy work together rather than against each other.

Robots Europa, based in Dublin, supplies the SIASUN SR270A-270/2.70 to manufacturers and integrators throughout the European Union and the DACH region. Robots Europa prepares each quotation, arranges delivery to your site and remains your point of contact for support once the robot is in production.

Background

SIASUN and two decades of engineering validation

SIASUN draws on more than two decades of engineering validation and thousands of completed projects. That background shapes how the company approaches its robots: not as stand-alone machines but as products combined with their applications, with services that connect the arm to the process it serves. For a buyer, this matters less as a heritage story than as a practical signal that the design decisions in the SR270A-270/2.70 have been tested against real production conditions across many industries.

The SR270A-270/2.70 sits in the Large Payload family within SIASUN's wider range of Industrial Robots, alongside other heavy-duty models aimed at different combinations of load and working envelope.

Rigidity and speed in one design

The robot adopts a high-performance design in which SIASUN's self-developed hardware and software significantly increase operating speed. All-new proprietary core components work with adaptive acceleration planning algorithms to deliver a 19% speed increase. At the same time, a gear-driven transmission improves overall machine rigidity by 172%. The result is a robot that combines rigidity with flexibility: it keeps its movement accurate and stops steadily even at high speed, under heavy load and with high inertia. Algorithm optimisation also makes continuous trajectory transitions smoother and more seamless, which is what keeps path-following work clean rather than jerky.

Technical Specifications

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

SIASUN has not published the weight, power supply, controller model, axis speeds, axis ranges of motion, mounting options, operating temperature range, communication interfaces or the contents of the delivery; Robots Europa confirms these with your quotation.

How does the SIASUN SR270A-270/2.70 stay accurate under heavy load at speed?

Accuracy at slow speed with a light tool is not difficult. The challenge with a 270 kg payload is that every acceleration and deceleration loads the structure, and any flex in the arm or slack in the drive train shows up as overshoot, vibration or a stop that wanders. The SR270A-270/2.70 addresses this from two directions.

Mechanically, the gear-driven transmission raises overall machine rigidity by 172%, so the arm deforms less as it carries and brakes a heavy part. In software, adaptive acceleration planning shapes each move to the load being carried, which is how the robot gains its 19% speed increase without giving up control. The combination allows the robot to maintain accurate movement and stable stopping under high speed, heavy load and high inertia, and to hold a repeatability of ±0.06mm across a 2700mm reach.

For process work that follows a path rather than moving point to point, the optimised trajectory algorithms make continuous transitions between segments smoother. That reduces the small hesitations at corners and blends that can mark a weld seam or unsettle a heavy gripper.

What do the IP54 and IP67 ratings mean in practice?

The SR270A-270/2.70 carries two protection ratings. The robot as a whole is rated IP54, which SIASUN pairs with long-term stable and reliable operation in harsh environments. The wrist, the part of the arm closest to the tool and the process, is rated IP67. In general terms, a higher rating at the wrist is valuable because that is where dust, coolant, spatter or washdown tend to concentrate. Buyers planning installation in foundries, machining cells or other demanding environments should still confirm the suitability of both ratings for their specific conditions with Robots Europa before ordering.

Who is the SIASUN SR270A-270/2.70 for?

The robot is aimed at manufacturers who handle heavy parts and cannot accept that heavy handling must be slow. Automotive and component suppliers moving body parts, castings or sub-assemblies are a natural fit, as are machine builders loading large workpieces into machine tools, and logistics operations stacking dense goods at the end of a line.

System integrators form a second group. For them, the integrated multi-industry process packages shorten the route from a bare arm to a working cell, because much of the process logic is already available rather than written from scratch for each project.

A third group consists of plant engineers replacing older heavy-duty robots, for whom the combination of rigidity, speed and repeatability over a long reach offers a way to raise throughput without redesigning the whole cell.

Where your application calls for a different balance of payload and working envelope, SIASUN's range includes neighbouring models such as the SIASUN SR270A-220/3.21 and the SIASUN SR360A-280/3.20; Robots Europa can compare the published datasheets with you and recommend the model that best fits your cell.

What is the SIASUN SR270A-270/2.70 used for?

1. Heavy part handling – transferring castings, forgings and large sub-assemblies between stations.
2. Machine tending – loading and unloading heavy workpieces in machining centres and presses.
3. Palletising – stacking dense, heavy goods at the end of production and packaging lines.
4. Automotive body work – positioning body panels and frames in assembly and joining cells.
5. Spot welding – carrying heavy welding guns along smooth, continuous trajectories.
6. Foundry and harsh-environment tasks – handling in dusty or demanding areas where a protected wrist is an advantage.

Pricing and Availability

Robots Europa supplies the SIASUN SR270A-270/2.70 on a quotation basis, so that the configuration, documentation and service scope match your project. Delivery, customs and support are arranged together with your quotation. To begin, send us your application details and the expected payload and cycle requirements; a quotation for the SIASUN SR270A-270/2.70 is available on this page.

Frequently Asked Questions

What payload can the SIASUN SR270A-270/2.70 carry?

The robot has a payload of 270 kg (595.2 lbs). Your tooling and part weight together should be checked against this figure during project planning.

What is the reach and repeatability?

The SR270A-270/2.70 offers a reach of 2700mm and a repeatability of ±0.06mm.

Is the robot suitable for harsh environments?

The robot carries an IP54 rating and the wrist an IP67 rating, which supports reliable operation in harsh environments. Robots Europa can help you assess whether these ratings suit your specific conditions.

What makes the robot faster than its predecessors?

New proprietary core components combined with adaptive acceleration planning algorithms deliver a 19% speed increase, while the gear-driven transmission improves overall rigidity by 172%.

Does the robot come with application software?

Yes, it integrates multi-industry process packages designed to make a wide variety of manufacturing tasks easier to set up.

What is the weight of the robot and which controller does it use?

SIASUN has not published the weight or the controller model. Robots Europa confirms both, together with power supply and interface details, at quotation.

Where can I buy the SIASUN SR270A-270/2.70 and what does it cost?

You can buy the SIASUN SR270A-270/2.70 from Robots Europa, which supplies the EU and the DACH region. Pricing depends on configuration and project scope, so please request a quotation through this page.

Summary

Heavy automation is ultimately judged by what happens at the end of each move: whether a large mass arrives on time and settles where it should. The SIASUN SR270A-270/2.70 answers that with a stiffer gear-driven structure, adaptive acceleration planning and smoother trajectory transitions, bringing a 270 kg payload, a 2700mm reach and ±0.06mm repeatability into the same package, protected to IP54 overall and IP67 at the wrist. Backed by SIASUN's two decades of engineering validation and supplied, delivered and supported by Robots Europa across the EU and the DACH region, it is a robot designed to make heavy handling fast without making it imprecise. For your quotation and project discussion, this page is the starting point.