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Infrastructures that connect lives

We are your machining supplier for the machining and supply of mechanical parts and equipment manufacturing

+ Machining
+ Welding and metal sheet working
+ Welding recoveries
+ Surface treatment
+ Detailed engineering and manufacturing



We have the technology and know-how to be able to manufacture the most demanding components in terms of quality and precision.

We have extensive experience in the serial machining and surface treatment of bogies and sleepers.  

We manufacture with the highest quality, complying with all the regulations and standards required in each of the sectors in which we operate.

In addition, if it is a very old component for which no manufacturing drawings are available, we analyse the material from the sample and carry out reverse engineering in order to manufacture a new component.

Successful Cases

Together with our customers, we have participated in important international projects supplying components for the metro, train or tram of different cities. 

Serial machining and surface treatment of chassis and trams 

  • Machining of Auckland frames
  • Chassis machining Mallorca
  • Machining of sleepers Barcelona
  • Machining and surface treatment of chassis Mexico


We have also participated in unique projects, such as the manufacture and assembly of vehicles for the maintenance of railway tracks: 

Country: Colombia.


  • Complete manufacture: welding and metal sheet working, surface treatment
  • Assembly
  • Manufacturing and quality tests

Repair and Mainteinance

We have a highly qualified team and the technical means to carry out repairs and maintenance, both at our plant and at the customer’s premises, where we perform services of: 

  • Refurbishment and reconditioning of equipment
  • Balancing
  • Machining
  • Special refurbishing
  • Welding and metal sheet working
  • Surface treatments

In addition, if it is a very old component for which no manufacturing drawings are available, we analyse the material from the sample and carry out reverse engineering in order to manufacture a new component.

Quality Assurance

We work to very high quality standards in terms of tolerances and precision. In order to meet these standards, we have temperature-controlled workshops and CNC machines during our manufacturing process.

We have all the high-precision measuring tools necessary to guarantee the measurements of machined parts:

  • Vantage laser tracker.
  • Three-dimensional.
  • Adjustment Bench.
  • Balancing machine

In the surface treatment process we have highly qualified and certified FROSIO painters (Norsok 501) and a NACE International inspector (CIP Level 2) to guarantee the highest levels of quality and control.

Our manufacturing processes are certified according to EN1090-1:2009 /A1:2011 and UNE EN ISO 3834-2:2006 and we have a highly qualified engineering and product quality department:

  • International Welding Engineer (IWE)
  • Welded construction inspectors.
  • NDT technicians

Industry 4.0

At Acebron Group we are committed to Industry 4.0 and to the complete digitalisation of the value chain.

Our 4 factories and all our machining equipment are connected to the production engineering department via industrial communications software.

We can send programs directly from the CAM department to all machines, improving productivity and increasing the reliability of the different processes. Through our virtual machines we are able to generate a simulation of the machining process, thus improving the efficiency, times and quality of our procedures.

We use these programmes and systems to machine complex and large components such as gearbox housings or bushings, ensuring precision and compliance with the necessary tolerances and geometries.

We also make use of Industry 4.0 tools to reverse engineer components through which we can proceed to the creation of new parts from used parts.




Do you want to know about our projects?

Have a look at our accomplishments.

acebron energias renovables 1

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