static tests - PJM EN

PJM in "Eisenbahn-Ingenieur" Magazine: The Future of Vehicle Development

In the current issue of the trade journal Eisenbahn-Ingenieur (EI), February 2026, a technical article examines the increasing complexity in the development and maintenance of rolling stock. Authors Marius Müller (Specialist in Calculation, Fatigue Strength, and Welding Technology) and Wolfgang Konrad (Head of Calculation) from PJ Messtechnik demonstrate how modern engineering firms use interdisciplinary approaches to bring vehicles to the tracks safely and efficiently for a service life of 30 years or more.

Article Highlights:

Interdisciplinary Integration: The traditional authorization process according to the fourth railway package is significantly accelerated through the close integration of railway approvals management, calculation, simulation, design, and measurement technology. PJM operates as an accredited testing laboratory according to EN ISO/IEC 17025.

Focus on Welding Technology: A key success factor is the integration of welding design as early as the conceptual phase. PJM provides welding consultancy according to EN 15085-2, approval, and engineering from a single source, which massively reduces project effort for manufacturers.

Modern Verification Methods: In addition to the classic nominal stress approach, PJM increasingly relies on the notch stress concept. This allows for better utilization of structural reserves and ensures the reliable realization of the intended 30-year service life.

Practical Example – Bogie: PJM recently proved the efficiency of this approach during the development of a bogie frame, completed in early 2025. Through the cooperation of all departments, the goals of weight reduction and full robotic weldability were achieved within an ambitious two-year timeline.

Holistic Support: PJM supports customers throughout the entire life cycle—from the initial concept and authorization to maintenance and repair.

Certified Quality: Alongside accreditation according to ISO/IEC 17025 and welding certification according to EN 15085-2 for calculation and design, PJM’s membership in NAFEMS underscores the high standards for the validity and quality of its simulation processes.

The Experts' Conclusion: The tasks for engineering firms are becoming increasingly extensive. Only through motivated teams covering all areas—from simulation to final approval—can the complex requirements for modern rolling stock be met today.

General - 03/16/2026

High-profile visit to PJM: Exchange with Josef Doppelbauer

We recently had the honor of welcoming Josef Doppelbauer—one of the most influential figures in the European railway world—to our offices in Graz.

As the long-standing Executive Director of the European Railway Agency (ERA, 2015–2024), he has been instrumental in driving forward the Fourth Railway Package and the harmonization of the European rail area. The exchange was correspondingly exciting: topics ranged from innovations and safety in freight transport to the testing and approval of rail vehicles and the current situation of European rail transport.

A particular highlight was the visit to the connecting railway in Mellach, where INFRATRACK is currently implementing Austria's unique test and innovation center for railway technologies on a former industrial track.

Photo 01 from left to right: Alexander Schimanofsky (CEO RCC), Christoph Lorenzutti (COO PJ Monitoring), Josef Doppelbauer (former Executive Director ERA) and Martin Joch (CEO PJ Messtechnik)

Photo 02 from left to right: Martin Joch (CEO PJ Messtechnik), Andreas Schaller (CEO BOOM Software), and Josef Doppelbauer (former Executive Director ERA)

General - 03/03/2026

PJ Messtechnik strengthens engineering expertise through NAFEMS Membership and new welding certification

The Engineering division of PJ Messtechnik is setting new standards: With the successful completion of the EN 15085-2 certification and admission into the international association NAFEMS, the company reinforces its competence in the design and calculation of railway vehicle components.

As an accredited testing center to ISO/IEC 17025, PJ Messtechnik GmbH performs worldwide tests for the rail vehicle authorization in the areas of fatigue strength, vehicle dynamics, brake tests, acoustics, aerodynamics, and pantographs. Furthermore, the company is a specialist in railway engineering and was the first to apply topology optimization – originally a space technology – to freight wagons. The most recent achievements – joining NAFEMS and obtaining the EN 15085-2 certification – underscore this deep-seated expertise.

NAFEMS and welding certification highlight high quality standards

Structural calculation is a core pillar of PJ Messtechnik’s engineering services. Through its NAFEMS membership, the company's expertise in technical analysis and simulation is now visible on an international scale. NAFEMS connects over 1,500 organizations worldwide dedicated to excellence in simulation and innovative analysis technologies. The membership badge signals that PJM pursues the highest quality standards.

PJ Messtechnik also demonstrates its strength in structural manufacturing. The certification in Activity Level D (Design, Calculation, Documentation) and Classification Level CL 1 (highest safety level) according to EN 15085-2 – the standard for welding railway vehicles and components – documents the company's outstanding competence in welding technology. Given the stringent safety requirements and the public importance of railway vehicles, this proof is indispensable for manufacturers and suppliers. The audit and certification were conducted by the Styrian company SteelCERT.

High competence in simulation, design, and manufacturing

“With our engineering team, we are setting benchmarks,” says Martin Joch, CEO of PJ Messtechnik GmbH, with pride. “The recently achieved EN 15085-2 certification is a visible signal that we meet the highest requirements in welding technology. Together with the NAFEMS membership, we demonstrate our quality in simulation, design, and manufacturing at an internationally recognized level. This is how we create maximum safety, cost-effectiveness, and innovative power for our customers.”

The combination of Finite Element Analysis (FEA) and welding technology allows PJM to take a holistic approach to projects. This results in component solutions that excel in quality and can be implemented economically. With this integrated approach, which closely interlocks theory and practice – design and manufacturing – PJM ensures the high quality and future viability of its products in the rail sector while simultaneously proving its competence as an accredited testing laboratory and engineering partner.

Photo from left to right:
Martin Joch (CEO, PJM), Clemens Holler (Lead Auditor, SteelCERT), Wolfgang Konrad (Head of Calculation, PJM), Marius Müller (Project Management, PJM), Gerald Pudgar (Quality Management, PJM)

NAFEMS-Mitgliedschaft-PJ-Messtechnik-Schweisszertifizierung

General - 01/14/2026

Looking back and moving forward: Together into a great 2026

An eventful 2025 has come to a close – our highlight video takes you on a journey through the most significant milestones and achievements of the past 12 months.

Now it's time to look forward: We are entering the new year with full energy and fresh ideas. We look forward to realizing new visions together with you, strengthening future-oriented collaborations, and continuing our shared success story!

General - 01/07/2026

The new Koralm Tunnel is here! PJM was already in action for test and measurement runs.

December 12 is a big day: the Koralm Tunnel is officially open, bringing Graz and Klagenfurt much closer together! We congratulate everyone involved on this milestone, which will strengthen Austria's position in international freight and passenger transport in the long term.

We have also already been in action in the tunnel: our team carried out important test and measurement runs in advance to collect essential data for technical conformity and approval. The video provides a brief insight into this.

We are delighted to have been part of the success story of this high-performance corridor and look forward to our future assignments on this extraordinary route!

General / News - 12/12/2025

Double future momentum: PJM sets the tone at important industry meetings

The PJM team was represented at two major rail transport events in Aachen and Vienna, hence making a contribution to the most important future topics in the industry: digitalization, efficiency, and coping with rising demand.

IRSA Aachen: Focus on infrastructure and digitalization

The 5th International Railway Symposium Aachen (IRSA) took place from November 19 to 20. The renowned forum, which brought together around 250 international experts, focused on the effects of climate change and the mobility transition on the rail system.

Matthias Zelinka (PJ Messtechnik) enriched the discussion with an exciting presentation on a simulation model for the interaction between pantographs and overhead lines.

VPI Vienna: Freight transport of the future

At the same time, an information event organized by VPI Austria (an Association of Private Freight Wagon Interested Parties) in Vienna also addressed the challenges in rail transport and logistics.

For almost 100 participants from Austria and abroad, there were numerous presentations, one of which was given by Günter Petschnig (CEO PJ Monitoring). He showed how digital train functions enhance rail freight’s safety and cost-effictiveness, attractiveness and sustainability.

General / News - 11/28/2025

INFRATRACK – a new company in the PJM Group

PJM und Boom Software utilising the connecting railway of a decommissioned coal-fired power station as a test site for innovations in the rail industry. This purpose has led to the foundation of the joint venture INFRATRACK Solutions.

The two railway specialists Boom Software AG and PJ Messtechnik GmbH have taken over the connecting railway line at the Mellach Verbund power plant site. This cooperation will allow the existing rail infrastructure of the decommissioned coal-fired power plant to be used more intensively, particularly for testing purposes.

Located in the immediate vicinity of Graz and the new Koralmbahn railway line, as well as the two Styrian companies, the site will be home to innovations and further developments in the railway sector, particularly in the fields of measurement and testing technology and software.

The optimally located and equipped connecting railway line provides an ideal environment for testing rail vehicles and components. The range of activities extends from physical asset inspections to sensor- and software-based testing.

Image:
The new company's managing directors Andreas Schaller (left) and Martin Joch (right)

Press release

General / News / Presseberichte - 11/13/2025

PJM tested MPV®-VentuS® of WINDHOFF

WINDHOFF relied on PJM's experience and expertise to test an innovative, modular multi-purpose vehicle within a short time frame.

The German specialist for rail vehicles, railway and shunting technology has developed the next generation of a multi-purpose vehicle. WINDHOFF Bahn- und Anlagentechnik GmbH had commissioned the Austrian system specialist PJM to carry out the test runs for approval on the German rail network. As an accredited test center in accordance with ISO/IEC 17025, PJM carried out vehicle tests in the areas of braking and running characteristics as well as static tests to determine derailment safety and wheelset torsional vibrations.

MPV®-VentuS® is a modular system that can be used to create a wide variety of vehicle configurations. The range of working modules includes various cranes, platforms, contact wire pusher, but also containers or contact wire measuring systems. The power system also has a modular design so that adjustments can be made very easily over the course of the vehicle's service life and, for example, a vehicle that is currently diesel-electric with a generator and electric motor can be converted to all-electric at a later date. The MPV®-VentuS® vehicle family is designed on the basis of DIN EN 14033 and authorized with the European TSI homologation. The MPV®-VentuS® type GAF, which was tested together with PJM in Austria last year, is a track maintenance vehicle for Deutsche Bahn (DB). The vehicle was officially presented at InnoTrans 2024, and in February 2025 Windhoff and DB received authorisation to place the MPV VenuS GAF modular ancillary vehicle on the market. The vehicle is approved on the basis of the European TSI from the 4th railway package.

‘It is important to us, to complete our customers’ projects just in time and successfully. For WINDHOFF too, we were able to carry out the vehicle tests and analyses within a short time frame,’ says Martin Joch, CEO of PJ Messtechnik GmbH.

Press release