SIASUN MGH Truss Robot (MGH Truss Robot)

Look up in a busy machining hall and the most productive machine is often the one overhead: a frame of beams and columns carrying parts from one spindle to the next while the floor below stays clear. The harder question has always been how that frame is built. Many gantries are one-off constructions, drawn and welded for a single line and difficult to change once installed. The SIASUN MGH Truss Robot takes the opposite route. It is a standardised, modular product, assembled from defined functional modules, with an X-axis that can be extended to fit the hall rather than forcing the hall to fit the robot.

Robots Europa, based in Dublin, supplies the SIASUN MGH Truss Robot to customers across the European Union and the DACH region. Robots Europa prepares the quotation, coordinates delivery to your site and remains your point of contact for support after installation, so that technical questions, configuration choices and spare modules are handled through one supplier.

Background

SIASUN and the M series

SIASUN was founded in 2000 and is based in Shenyang, China. Its modular truss robot range, the M series, is a standard product line developed in response to market demand, and it comprises six sub-series intended for different applications. The MGH belongs to this family, alongside the MGI Truss Robot and the MGA Truss Robot. SIASUN regards the MGH as one of the most widely used and efficient industrial robots in the field of machining, which places it firmly in the world of machine tools, workpiece transfer and production cells rather than in general-purpose handling alone.

Rectangular guide rails and a clamped frame

Two engineering decisions define the MGH. The first is the X-axis: across all series, SIASUN uses a rectangular guide rail of its own design, combined with driving roller bearings, to achieve ultra-high-speed movement. The X-axis subassembly, supported by these rectangular rails and roller modules, offers high rigidity and high environmental adaptability, and it maintains high-speed operation even over long strokes. The second is the frame itself. The connection between beams and columns has been upgraded from bolting to fixing by clamping, which allows the structure to adapt flexibly to the distances between the equipment already standing on the customer's site.

Technical Specifications

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

The manufacturer has not published the dimensions, weight, repeatability, power supply, motor type, control system model, stroke ranges per size, acceleration, operating temperature, protection rating, software or the contents of the delivery; all of these are confirmed at quotation.

What makes the MGH different from a bespoke gantry?

A bespoke gantry is designed around one layout. That can work well on day one, but it ties the structure to a single arrangement of machines, and every later change becomes a small engineering project. The MGH starts from the other end: it is a standardised modular product, flexible in combination, easy to install and highly adaptable. Each part with a fixed function is treated as a module, so the robot is configured from known building blocks rather than designed from scratch.

The clamped beam-and-column connection reinforces this. Because columns are fixed by clamping rather than bolted at predetermined points, their spacing can follow the real distances between machines on the shop floor. Combined with an X-axis stroke that can be extended to meet user requirements, this means a line of machine tools can be served by one continuous travel axis, and the robot can be adapted when that line grows.

Performance is not traded away for this flexibility. The standard product covers loads from 1 to 1000 kg and reaches a maximum speed of 240 m/min along the X-axis and double Z-axis. The rectangular guide rails and roller modules give the X-axis subassembly its rigidity and allow high-speed operation even when the stroke is long, which is exactly where a lightly built gantry tends to struggle. Where the process needs more than linear motion, additional A-axis and C-axis external axes can be added, and the control system can be chosen to match how the customer's team already works.

How does the modular design affect maintenance and spare parts?

For a production manager, downtime matters more than a brochure figure. Here the modular approach has a practical consequence: because all products share a modular design, they offer good interchangeability and versatility, which makes installation and replacement straightforward. A worn or damaged module can be exchanged as a unit rather than repaired in place, and the same logic that speeds up commissioning also speeds up maintenance.

SIASUN supports this with what it calls a parts supermarket, which can supply the modules customers require at any time. For plants running several truss robots, interchangeable modules also simplify the stock of spares that maintenance teams need to hold. Robots Europa can advise which modules are sensible to keep on site.

Who is the SIASUN MGH Truss Robot for?

The clearest fit is the machining sector: manufacturers operating CNC lathes, machining centres or grinding machines who want to automate the loading and unloading of workpieces and link several machines into a cell. The broad standard load range means the same product family can be considered for small components and for heavy castings or forgings.

System integrators form a second group. A standardised, modular truss robot with a selectable control system is easier to build into a turnkey cell than a custom gantry, and the clamped frame helps when the integrator must work around machines that are already installed. Plant engineers planning a phased expansion are a third: the extendable X-axis and interchangeable modules allow the structure to follow the line as it grows.

SIASUN also offers the MGI Truss Robot and the MGA Truss Robot within the same M series, and Robots Europa can advise which of the three versions suits your application best. Related equipment can be found in our Special Robots category and across the wider SIASUN range.

What is the SIASUN MGH Truss Robot used for?

1. Machine tending: loading raw parts into machine tools and removing finished workpieces without manual intervention.
2. Linking machining cells: moving parts between consecutive operations along a single extended X-axis.
3. Heavy part handling: transferring large or awkward workpieces that would be unsafe or slow to move by hand.
4. Workpiece reorientation: turning or rotating parts between operations when optional A-axis or C-axis external axes are fitted.
5. Buffering and staging: placing parts into and out of storage positions to decouple machines with different cycle times.
6. Line retrofits: automating existing production lines where the clamped frame can adapt to the spacing of installed equipment.

Pricing and Availability

Every MGH installation is configured around load, stroke, optional external axes and the chosen control system, so Robots Europa provides pricing by individual quotation. Tell us about your machines, parts and layout, and we will return a tailored proposal. Delivery, customs clearance and support are arranged together with the quotation. To begin, use the quotation request available on this page.

Frequently Asked Questions

What load can the SIASUN MGH Truss Robot handle?

The standard product covers a load range of 1 to 1000 kg.

How fast does the MGH move?

It reaches a maximum speed of 240 m/min along the X-axis and double Z-axis.

Can the X-axis be made longer to suit my line?

Yes. The X-axis stroke can be extended infinitely to meet user requirements, and the rectangular guide rails allow high-speed operation even over long strokes.

Can rotary axes be added?

Additional external axes, namely an A-axis and a C-axis, can be added where the process requires them.

Which control system does the MGH use?

The control system is selected according to the customer's usage habits, so it can match the platform your team already works with.

How easy is the MGH to maintain?

Each functional part is a module, which supports quick installation and easy maintenance, and modules are interchangeable. SIASUN's parts supermarket can supply the required modules at any time.

Where can I buy the SIASUN MGH Truss Robot and what does it cost?

Robots Europa supplies the SIASUN MGH Truss Robot across the EU and the DACH region. The cost depends on your configuration and is set out in an individual quotation, which you can request from this page.

Summary

The overhead frame in a machining hall has traditionally been the least flexible part of the line. The SIASUN MGH Truss Robot changes that by treating the gantry as a set of standard modules: a rigid, fast X-axis on rectangular guide rails, a frame clamped to suit the real spacing of your machines, a stroke that extends with the line, and optional A-axis and C-axis motion where parts must turn. With a standard load range of 1 to 1000 kg, a maximum speed of 240 m/min and interchangeable modules backed by a parts supermarket, it is built for machining plants that expect to change. If you are planning to automate machine tending or link a row of machine tools, this page is the starting point.