Bossard Academy

Secure screw connections

22nd September 2026 | Bossard Academy in Zug

Close-up of a metal valve with a push button, showcasing the device's functionality and design.

By familiarising them with the most important factors influencing secure bolted joints, they will know what is important in the future. The Bossard specialist seminar ‘Secure bolted joints’ provides basic knowledge: mechanical properties of fasteners and components, as well as the most important physical principles of action.

The seminar day is aimed at people in design and planning, as well as assembly and maintenance personnel. Cost: CHF 550 per person, excluding VAT.

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Seminar agenda - your overview of the day's topics

8:30 - 9:00 a.m.
Arrival & coffee

9:00 - 9:15 a.m.
Welcome
We are looking forward to the start of the ‘Secure bolted joints’ seminar and will begin with a brief introduction to the seminar programme and an introduction to Bossard.

9:15 - 10:20 a.m.
Basic knowledge of bolted joints I
You will learn how bolted joints work, the most important mechanical properties and the most important physical operating principles.  

10:20 - 10:35 a.m.
Coffee break ☕

10:35 - 10:55 a.m.
Workshop ‘Assembly accuracy’
In the workshop on assembly accuracy, you can directly apply what you have just learnt.

10:55 - 11:35 a.m.
Basic knowledge of screw connections II
We show when and why the assembly force can scatter. After this session, you will be familiar with the effects of settling and friction. We will also show you some cases of damage in practice.

11:35 - 12:30 p.m.
Workshop ‘Friction’
In our accredited test laboratory, we will show you how friction coefficient tests are carried out. In addition ... Workshop on the subject of friction.

12:30 - 13:30 p.m.
Lunch break 🍝

13:30 - 14:45 p.m.
Basic knowledge on the topic of securing methods for bolted connections
In addition to the previous sessions, we will look at various ways of securing bolted joints.

Practical demo of loosening behaviour under vibration load
In the neighbouring practice room, we use the ‘vibrating table’ to compare the function of various locking elements.

14:45 - 15:00 p.m.
Coffee break ☕

15:00 - 16:00 p.m.
Expertise to supplement what has been learned so far
Whilst we have already dealt with individual questions during the day, there is now time to reflect on what we have learnt and/or to address additional topics.

16:00 - 16:30 p.m.
Conclusion
Following the seminar, you will have the opportunity to take a 45-minute tour of the Bossard Technology and Logistics Centre. (optional)

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A group of men stand around a workbench with tools and discuss together.

Your speakers

A man with glasses and a blue suit smiles warmly at the camera.
Dani Meier is a certified mechanical engineer TS (HF) with over 15 years of experience in the design of systems and elevator systems, effectively contributing to the team.
A man with glasses and a blue suit smiles warmly at the camera.
Dominik Schmid is our expert for screw connections. The more complex the load cases, the more he enjoys taking on the design. After his training as a metalworker and mechanical engineer, he gained experience in steel construction.
A young man in a blue suit smiles warmly at the camera.
Jean-Claude Théraulaz is an expert in friction tests, tensile tests, and material analysis. With 5 years of Bossard experience, he knows the accredited testing lab well.
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A man with glasses and a blue suit smiles warmly at the camera.
Dani Meier is a certified mechanical engineer TS (HF) with over 15 years of experience in the design of systems and elevator systems, effectively contributing to the team.
  • A man with glasses and a blue suit smiles warmly at the camera.
  • A man with glasses and a blue suit smiles warmly at the camera.
  • A young man in a blue suit smiles warmly at the camera.

Quality has a name – Impressions from the Bossard Academy

In a classroom, people sit at tables and engage in a group discussion.
Classroom with tables and chairs arranged in front of a window providing light.
A classroom with blue workbenches and white walls, creating a bright and inviting learning environment.
A room with a workbench and tools, representing a productive work environment.
A room with blue chairs and tables that exudes an inviting and modern atmosphere.
A group of people stands around a workbench, using tools and a cordless screwdriver on the workbench.
A man operates a machine to cut a piece of metal.
A person uses a drill to make a hole in a piece of metal.
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1

/8
In a classroom, people sit at tables and engage in a group discussion.
  • In a classroom, people sit at tables and engage in a group discussion.
  • Classroom with tables and chairs arranged in front of a window providing light.
  • A classroom with blue workbenches and white walls, creating a bright and inviting learning environment.
  • A room with a workbench and tools, representing a productive work environment.
  • A room with blue chairs and tables that exudes an inviting and modern atmosphere.
  • A group of people stands around a workbench, using tools and a cordless screwdriver on the workbench.
  • A man operates a machine to cut a piece of metal.
  • A person uses a drill to make a hole in a piece of metal.

For more than 10 years, the Bossard Academy's specialised seminars have combined the theory and practice of fastening technology. With a holistic, yet always application-oriented approach, we cover all aspects of modern fasteners - from the physical principles to the materials used and their application in development, design and production in a wide range of industries.