SIASUN Dual-Lift Automotive Assembly Mobile Robot (Dual-Lift Automotive Assembly Mobile Robot)

On an automotive assembly line, the most delicate seconds are rarely the fastest ones: a front axle, a rear axle and a chassis have to arrive beneath the body together, at the right height and within millimetres of where the tooling expects them. The SIASUN Dual-Lift Automotive Assembly Mobile Robot takes that choreography off fixed conveyors and puts it on wheels. It carries the load on two scissor lifts that rise in step and dock with the station, rather than leaving the station to adapt to the load. For plants that build more than one model on the same line, the gap between fixed and mobile handling is where flexibility is either won or lost.

Robots Europa, based in Dublin, supplies the SIASUN Dual-Lift Automotive Assembly Mobile Robot to manufacturers across the European Union and the DACH region. Each quotation is prepared around the customer's line layout and process requirements, and Robots Europa remains your point of contact for delivery, integration questions and after-sales support once the robot is working on site.

Background

SIASUN and its roots in industrial automation

SIASUN Robot & Automation is a Chinese robotics manufacturer headquartered in Shenyang, with its origins in the Shenyang Institute of Automation of the Chinese Academy of Sciences. Its portfolio covers industrial robots, automation systems and an extensive family of mobile robots for factory logistics, ranging from transport units to heavy-duty platforms. The automotive assembly series belongs to that mobile robot family, and the manufacturer names four versions of it: the Single-Lift, Dual-Lift, Triple-Lift and Four-Lift Automotive Assembly Mobile Robots. The wider range is presented in our Mobile Robots category.

Scissor lifts in place of fixed lifting stations

In conventional chassis marriage, lifting is handled by hoists, skillets or conveyors built into the plant floor, which fixes both the route and the geometry of the process. The Dual-Lift robot moves that function onto an autonomous vehicle. Its lifting mechanism is a dual-lift scissor structure, and the distance between the two lift points is variable between 2450 and 3100 mm, so the support points can be set to suit the assembly being carried. Each lift offers a stroke of 1000 mm, and the lift platform floats by X ±125 mm, Y ±50 mm and ±2° in angle, allowing it to give way slightly as it meets the body or fixture. SIASUN designed the robot for chassis and front and rear axle assembly, with synchronised multi-point lifting and precise docking as its central functions.

Technical Specifications

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

SIASUN has not published the dimensions, the vehicle weight, the battery type and capacity, the operating time, the travel speed, the safety sensors, the navigation method, the charging time, the contents of the delivery or the IP rating; all of these are confirmed at quotation.

Why choose a dual-lift robot for chassis and axle assembly?

A chassis or an axle pair is long, heavy and rarely balanced around a single point. Supporting it on two lifts that rise together keeps the assembly level throughout the stroke, which is precisely what synchronised multi-point lifting is meant to deliver. With a total load of up to 3000 kg shared between the two scissor structures, the robot can carry substantial running-gear assemblies to the marriage point and present them from below.

Precision at the docking moment comes from two complementary features. The vehicle itself navigates to ±10 mm / ±1°, and the floating lift platform then absorbs the remaining offset of up to ±125 mm in X, ±50 mm in Y and ±2° in angle. In practice, this means the robot does not have to stop with perfect accuracy for the parts to meet correctly; the platform yields where the fixture guides it. The dual steering-wheel drive gives the vehicle the manoeuvrability that docking beneath a body requires.

The other versions in the series exist for processes that call for a different number of lift points. If your process might suit one of them better, Robots Europa will compare the options against your requirements before quoting.

How does the Dual-Lift robot handle a mixed-model line?

Mixed-model production is where fixed lifting equipment struggles most, because every variant in length or mounting geometry puts pressure on a station designed around a single layout. SIASUN states that the Dual-Lift robot supports mixed-model assembly lines and is customisable for multi-model process requirements. The variable lift spacing of 2450–3100 mm is the physical basis for this: the support points can be adapted rather than the line being rebuilt.

Energy and logistics are treated in the same spirit. The robot is compatible with multiple charging methods, and its charging and transfer options are configurable, which SIASUN presents as a route to scalability. A plant can therefore begin with a small fleet on one line and extend it as volumes or model counts grow, choosing the charging and transfer arrangement that fits the existing process instead of designing the process around the robot. High-precision navigation and multi-layer safety protection are part of the design for efficient, stable and safe operation alongside people and other equipment.

Who is the SIASUN Dual-Lift Automotive Assembly Mobile Robot for?

The primary audience is vehicle manufacturers running final assembly, particularly those whose chassis marriage and axle stations need to cope with several models on one line. Planners modernising an existing hall often favour mobile assembly robots because they avoid deep floor works and leave the layout open to later change.

Suppliers who assemble chassis modules or axle systems for automotive manufacturers form a second group, as do system integrators designing flexible assembly cells for European plants. For integrators, the configurable charging and transfer options and the customisable process set-up are the points to examine early in a project.

Where the task is transporting heavy loads rather than assembling running gear, other platforms in our Factory Robots category may be the better starting point. Where a process requires a different number of lift points, the Single-Lift, Triple-Lift and Four-Lift versions are the alternatives to discuss with Robots Europa.

What is the SIASUN Dual-Lift Automotive Assembly Mobile Robot used for?

1. Chassis marriage: bringing the chassis beneath the body and lifting it into position for joining.
2. Front axle assembly: presenting the front axle to the body at the correct height and alignment.
3. Rear axle assembly: carrying and docking the rear axle with synchronised lifting for an even approach.
4. Mixed-model production: serving several vehicle variants on one line through adjustable lift spacing.
5. Replacing fixed lifting stations: moving assembly lifting onto mobile robots to keep line layouts adaptable.
6. Transfer between assembly stations: moving running-gear assemblies between cells with configurable transfer options.

Pricing and Availability

The SIASUN Dual-Lift Automotive Assembly Mobile Robot is supplied on a quotation basis, because the configuration depends on your line layout, the models you build and the charging and transfer arrangement you choose. Send us a description of your process, and Robots Europa will prepare a quotation that reflects your requirements. Delivery, customs and support are arranged together with the quotation. To begin the process, use the quotation request available on this page.

Frequently Asked Questions

What load can the SIASUN Dual-Lift Automotive Assembly Mobile Robot carry?

The total load is up to 3000 kg, carried on the dual-lift scissor structure.

How accurately does the robot position itself?

Navigation accuracy is ±10 mm / ±1°. The floating lift platform then compensates by X ±125 mm, Y ±50 mm and ±2° during docking.

Can the distance between the two lifts be adjusted?

Yes. The lift spacing is variable between 2450 and 3100 mm, which allows the robot to be set up for different assemblies on a mixed-model line.

What lifting stroke and drive system does the robot have?

Each lift has a stroke of 1000 mm, and the vehicle uses a dual steering-wheel drive.

How is the robot charged?

It is compatible with multiple charging methods, and the charging and transfer options are configurable to match the process on site.

How does it differ from the Single-Lift, Triple-Lift and Four-Lift versions?

The versions differ in the number of lift points their names indicate. Robots Europa compares them with your process on request.

Where can I buy the SIASUN Dual-Lift Automotive Assembly Mobile Robot and what does it cost?

Robots Europa supplies the robot across the EU and the DACH region. The cost depends on the configuration, so it is set out in a quotation prepared for your line.

Summary

The hardest part of chassis and axle assembly is not moving heavy parts, but having them arrive level, aligned and on time beneath a body that will not wait. The SIASUN Dual-Lift Automotive Assembly Mobile Robot addresses that moment with two synchronised scissor lifts, a total load of up to 3000 kg, navigation to ±10 mm / ±1° and a floating platform that absorbs what remains of the offset. Its adjustable lift spacing, configurable charging and transfer options and support for mixed-model lines turn a fixed station into a mobile one that can follow the plant as it changes. For manufacturers in the EU and the DACH region who want to bring that flexibility to their assembly lines with Robots Europa, this page is the starting point.