SIASUN SA20A-20/0.80 (SA20A-20/0.80)

A payload of 20 kg and a vertical repeatability of ±0.01mm rarely sit comfortably on the same machine. Mass brings flex, and flex is the enemy of precision. The SIASUN SA20A-20/0.80 (SA20A-20/0.80) is SIASUN's answer to that problem within the fast, planar geometry of a SCARA arm. It pairs a heavy payload with an 800mm reach and a structure designed from the outset for high inertia, strong rigidity and high precision. For production lines whose parts have outgrown light-duty SCARA robots, yet whose tasks remain essentially horizontal pick, place and assemble movements, it offers a considered middle path.

Robots Middle East supplies the SIASUN SA20A-20/0.80 to manufacturers, system integrators and technical institutions throughout the Middle East. Our team prepares each quotation against your application, confirms the configuration with you, and coordinates delivery to your site. After installation, Robots Middle East remains your point of contact for support, so the questions that arise during commissioning and production have a single, accountable address.

Background

SIASUN and the SA20A series

SIASUN builds industrial robots and automation equipment, and its SCARA range spans several payload classes, from compact arms for light assembly to heavier models for demanding handling work. The SA20A series is a new generation of SCARA robots launched by SIASUN, and it sits at the heavy end of that range. The sources name two versions within the series: the SA20A-20/0.80 described on this page, and the SIASUN SA20A-20/1.00 (SA20A-20/1.00). Both share the same design philosophy. The SA20A-20/0.80 is the version whose figures appear below.

The series also adopts a modular design, intended to meet a wider range of automation scenarios while reducing maintenance costs. For a buyer, modularity matters less as a feature on a brochure than as a practical promise: a robot that can be adapted to new cells, and serviced without excessive downtime, tends to remain useful for longer on a changing production floor.

Rigidity as the core technology

The engineering emphasis of the SA20A is rigidity. Both the X and Y axes are equipped with a double-support structure, which further enhances rigidity where a conventional single-support arrangement would be more prone to deflection under load. This is the feature that allows a SCARA arm to carry substantial mass without surrendering the repeatability that makes the kinematics attractive in the first place.

A second design decision concerns the cabling. The SA20A uses internal wiring, which eliminates the need for corrugated tubes and reduces spatial constraints around the arm. In a crowded cell, external cable bundles can snag on fixtures, limit the working envelope and wear over time; routing them inside the arm keeps the robot's footprint clean and its movement unobstructed.

Technical Specifications

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

The manufacturer has not published the power supply requirements, the controller model, the communication interfaces, the operating temperature range, the mounting orientation or the package contents; these are confirmed with you at quotation.

How does the SIASUN SA20A-20/0.80 keep its precision under heavy loads?

Precision under load is a question of stiffness. When a SCARA arm carries a heavy part and accelerates it across the work area, every link and joint experiences forces that try to bend or twist the structure. On a lightly built arm, that deflection shows up as positional error at the tool, which is acceptable when handling small components but unacceptable when seating a heavy part into a tight fit.

The SA20A-20/0.80 addresses this through its double-support structure on both the X and Y axes, combined with an overall design built for high inertia. The result is reflected in its repeatability: ±0.025mm for J1 and J2 combined, ±0.01mm on the vertical J3 axis, and ±0.01° on the rotational J4 axis. These figures apply while the robot is rated for a payload of 20 kg (44 lbs), which is what makes the combination noteworthy.

The third joint also has a press-fit force of 250 N. This matters for assembly work in which the robot does not simply place a component but pushes it home, for example when inserting a part into a housing. A rigid vertical axis with a defined press-fit capability allows such operations to be carried out by the robot itself rather than by a separate press station, which can simplify cell layout.

How is the SIASUN SA20A-20/0.80 programmed?

SIASUN supports several programming and teaching methods on the SA20A, including a newly, independently developed programming software called SN, a physical teach pendant, a virtual teach pendant and drag-to-teach functionality. Each suits a different stage of a project and a different kind of user.

Offline programming in software allows engineers to prepare and refine motion sequences away from the production line, reducing the time the cell must stand idle. A teach pendant remains the familiar tool for technicians who prefer to jog the arm and record positions at the machine. A virtual teach pendant brings the same workflow to a computer screen, which is helpful for training and for preparing programs before the hardware arrives. Drag-to-teach, finally, lets an operator guide the arm by hand to the desired positions, a quick and intuitive way to set up or adjust simple paths. Having all four available means that a plant can match the method to the task and to the skills of its team.

Who is the SIASUN SA20A-20/0.80 for?

The clearest audience is manufacturers handling large or heavy components in a largely planar workflow. SIASUN names lithium battery and automotive parts manufacturing as typical sectors, and both fit the profile well: battery production involves repeated handling of substantial cells and modules, while automotive supply chains are full of heavy brackets, housings and sub-assemblies that must be placed and joined consistently.

System integrators form a second group. For an integrator designing a cell around a heavy pick-and-place or assembly task, the combination of rigidity, internal wiring and multiple programming methods reduces the engineering effort around the robot itself. The modular design also suits integrators who deploy similar cells across several sites or customers.

Technical colleges and research laboratories with an interest in heavy-duty SCARA automation may find the range of teaching methods valuable, since the same robot can be programmed offline, by pendant or by hand.

Buyers whose work envelope extends beyond 800mm should look at the SIASUN SA20A-20/1.00 (SA20A-20/1.00), the other version in the series; please ask us for its details. Where the parts are light and small, a smaller arm from our SCARA range may prove the better fit, and the wider Industrial Robots category covers other SIASUN configurations.

One consideration applies to every buyer: the protection rating is IP20, so the robot is intended for clean, dry indoor environments rather than for areas exposed to water, coolant spray or heavy dust.

What is the SIASUN SA20A-20/0.80 used for?

1. Large component pick-and-place — transferring bulky parts between conveyors, fixtures and trays with consistent positioning.
2. Heavy handling — moving loads up to the rated payload within the cell under high-load conditions.
3. Mechanical assembly — joining heavy sub-assemblies where rigidity keeps the tool on target.
4. Press-fit operations — using the 250 N press-fit force of the third joint to seat components into housings.
5. Lithium battery manufacturing — handling cells and modules in production and assembly lines.
6. Automotive parts manufacturing — placing and assembling brackets, housings and other heavy parts in supplier plants.

Pricing and Availability

Robots Middle East prepares a written quotation for each enquiry, so that the configuration, accessories and integration requirements match your application rather than a generic list. Please share a brief description of your parts, cycle requirements and cell layout, and our team will respond with a tailored proposal. Delivery, customs clearance and after-sales support are arranged together with the quotation. The quotation request for the SIASUN SA20A-20/0.80 (SA20A-20/0.80) is available on this page.

Frequently Asked Questions

What payload does the SIASUN SA20A-20/0.80 carry?

The SA20A-20/0.80 carries a payload of 20 kg (44 lbs). This places it at the heavy end of SIASUN's SCARA range.

What is the reach of the SA20A-20/0.80?

The reach is 800mm. If your application requires a longer reach, please ask us about the SA20A-20/1.00.

How repeatable is the robot?

Repeatability is J1+J2/±0.025mm, J3/±0.01mm and J4/±0.01°. The double-support structure on the X and Y axes contributes to holding these figures under load.

Can the SA20A-20/0.80 be used in wet or dusty areas?

The protection rating is IP20, which suits clean, dry indoor environments. For harsher conditions, please discuss protective measures with our team before ordering.

Which programming methods are supported?

SIASUN supports its own SN programming software, a teach pendant, a virtual teach pendant and drag-to-teach functionality. You may use whichever method suits your team and the task.

Which controller and interfaces does it use?

Robots Middle East confirms the controller model and communication interfaces with you as part of the quotation.

Where can I buy the SIASUN SA20A-20/0.80 and what does it cost?

You can buy the SIASUN SA20A-20/0.80 from Robots Middle East, which supplies it across the Middle East. The cost depends on your configuration and is set out in a written quotation, which you can request on this page.

Summary

The SIASUN SA20A-20/0.80 (SA20A-20/0.80) exists to reconcile two qualities that usually pull in opposite directions: the ability to carry a heavy load and the ability to place it with precision. Its double-support structure on the X and Y axes, its design for high inertia and rigidity, and its press-fit capability on the third joint all serve that aim, while internal wiring, a modular design and four programming methods make it practical to deploy and maintain. For lithium battery producers, automotive parts suppliers and the integrators who build their cells, it extends the speed and simplicity of SCARA automation into heavier work. If that is the balance your line requires, this page is the starting point.