SIASUN SN4A-4/0.58 (SN4A-4/0.58)

Space is the one thing a machine-tool cell or a compact electronics line never has enough of, and a robot that needs a wide berth is often the first thing to be cut from the plan. The SIASUN SN4A-4/0.58 (SN4A-4/0.58) is built for exactly that squeeze: a compact, lightweight industrial robot with internal wiring and a streamlined exterior, made to work where room is tight and the task is still demanding.

The SIASUN SN4A-4/0.58 is available through this page, by quotation.

Background

SIASUN and the SN4A-4/0.58

SIASUN is an industrial robot brand, and the SN4A-4/0.58 belongs to its range of articulated industrial robots. The model name is the identifier a buyer quotes when comparing it with the rest of the range.

Robots of this class are the small, fast, precise end of industrial automation. They do not move heavy castings or large panels. They pick, place, insert and tend: small parts, small fixtures, short distances, repeated many times over a shift. Their value lies in doing that work reliably in a footprint that a larger machine could not occupy.

For buyers across the Caribbean, where plants are often modest in floor area and every square meter is already assigned, a robot of this size is a practical way to bring automation into an existing line without redesigning the building around it.

Positioning and key technology

The SN4A-4/0.58 is positioned for scenarios with demanding space requirements, such as 3C factories and the inside of machine tools. Three design choices support that positioning.

First, the structure is compact and lightweight, with internal wiring and a streamlined exterior. Cables routed inside the arm do not snag on fixtures, doors or tooling, and a smooth outer form is easier to fit into a crowded workspace.

Second, the robot uses a variable acceleration algorithm. This approach fully exploits the mechanical performance limits of the arm, giving stable and efficient operation and maximized production efficiency.

Third, the design is modular, which makes application integration easier and more compact. Together with high-precision global error compensation, these choices define the character of the robot: small, accurate and straightforward to integrate.

Technical Specifications

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

The manufacturer has not published the weight, the dimensions, the power supply, the maximum speed, the axis motion ranges, the controller model, the contents of the package, the communication interfaces or the operating temperature range; they are confirmed at quotation.

What makes the SN4A-4/0.58 suited to tight spaces?

Compactness is more than a small arm. In a machine tool, the robot must work inside an enclosure that was designed for cutting, not for automation. In a 3C factory, which covers computer, communication and consumer electronics production, the robot often shares a bench or a cell with feeders, fixtures and inspection stations. In both settings the arm has a reach of 580mm to cover, and the surroundings leave it little margin.

The internal wiring matters here. When cables run inside the arm rather than along it, there is less to catch on a door frame, a clamp or a part tray, and less to wear through repeated motion. The streamlined exterior supports the same goal: fewer protrusions to plan around when the cell layout is drawn.

The modular design adds a further advantage at the integration stage. It enables easier and more compact application integration, which means the robot can be fitted into a cell with less rework around it. For an integrator working to a fixed footprint, that is often the deciding point.

The IP67 protection of the wrist is a figure worth noting for these environments. It speaks to a robot expected to work close to the process rather than behind a screen.

How does the SN4A-4/0.58 keep its positioning accurate?

Repeatability is ±0.02mm. That figure matters most in assembly and in precise loading, where a part must arrive at the same point cycle after cycle, and where a small drift can cause a jam or a rejected unit.

This accuracy comes from high-precision global error compensation. In plain terms, the robot's geometry is corrected across its working range, so that the accuracy does not hold only at a single favored pose. The repeat positioning accuracy reaches up to ±0.02mm.

Accuracy alone does not make a good cell, so the speed side matters as well. The variable acceleration algorithm is the answer: it pushes the arm toward the limits of its mechanical performance while keeping operation stable and efficient. A robot that is precise but slow wastes the cycle, and one that is quick but unsteady wastes the parts. This design aims at both together.

Who is the SIASUN SN4A-4/0.58 for?

The first group is machine-tool operators and job shops that want to automate loading and unloading without enlarging the machine or the cell. A robot that fits inside the available space, or beside it, is easier to justify than one that forces a new layout.

The second group is electronics and light-assembly manufacturers, the 3C factories named for this robot. Small parts, tight benches and repeated assembly steps are the natural territory of a 4kg robot with ±0.02mm repeatability.

The third group is system integrators. The modular design and the compact structure are aimed at people who build cells for others and need a robot that does not dictate the layout. They can pair the SN4A-4/0.58 with their own tooling, feeders and vision.

The fourth group is plant managers taking a first step into robotics. A compact robot for handling tasks is a measured way to begin, with a clear task and a modest footprint.

If your parts or your reach requirements are larger than a 4kg, 580mm robot can serve, the wider Industrial Robots category shows the other SIASUN models, and we can help you compare them with your quotation.

What is the SIASUN SN4A-4/0.58 used for?

1. Handling. Moving small parts between stations, trays and fixtures within a 580mm reach.
2. Assembly. Placing and inserting components where ±0.02mm repeatability keeps the fit consistent.
3. Loading and unloading. Feeding workpieces in and taking finished parts out, a stated application area of the robot.
4. Machine tool tending. Working in or beside a machine tool, where space is the limiting factor.
5. 3C factory production. Supporting computer, communication and consumer electronics lines that need compact automation.
6. Integrated compact cells. Serving as the core of a small, modular cell built by an integrator.

Pricing and Availability

The SIASUN SN4A-4/0.58 is supplied by quotation, so that the configuration and the scope you need are settled first. Delivery, customs and support are arranged with the quotation. Send us your application, your cell constraints and your quantity, and the quotation is the next step; the robot is available on this page.

Frequently Asked Questions

What payload and reach does the SIASUN SN4A-4/0.58 have?

The payload is 4kg and the reach is 580mm.

How precise is the robot?

Repeatability is ±0.02mm. High-precision global error compensation gives this repeat positioning accuracy.

What protection rating does it have?

The wrist is rated IP67. This rating applies to the wrist, not to the whole robot.

Where does the SN4A-4/0.58 fit best?

It is intended for scenarios with demanding space requirements, such as 3C factories and the inside of machine tools. Its application areas are handling, assembly, and loading and unloading.

Is the cabling external?

No. The robot features internal wiring and a streamlined exterior design, which helps it work in crowded spaces.

Are the weight, dimensions and interfaces listed?

Not on this page. Ask for them with your quotation, together with the controller model and the contents of the package.

Where can I buy the SIASUN SN4A-4/0.58 and what does it cost?

You can request it through this page, and the cost is provided by quotation. Tell us your application and quantity, and we will prepare the quotation with delivery, customs and support arranged.

Summary

The SIASUN SN4A-4/0.58 answers a common problem: the automation task is clear, but the room for the robot is not there. With a 4kg payload, a 580mm reach, ±0.02mm repeatability, an IP67-rated wrist, internal wiring and a modular design, it is made for handling, assembly, and loading and unloading in tight spaces such as machine tools and 3C factories. If that is the kind of cell you are planning, this page is the starting point.