The preload level determines the capacity of a bolted joint.

5: Coatings – “Consider coatings to improve your bolted joint

In short-term : observe an assembly’s performance in real-time.

This produces a secure screw connection between the piston base body (4) and the annular element (6).

In the long-term : monitor an assembly’s performance over 1 year, 5 years, 10 years.

The TRAXX method allows you to monitor changes to an assembly over time.

The vertical fastening flange (3) is connected to the outside (23) of the vertical section (22) by means of a screw connection.

The TRAXX method allows you to monitor changes to an assembly over time.

By the individual unlocking of selected locking means (23), the unscrewing of the tie-rod (8) in the region of any screw connection (15) can subsequently be enabled.

The hub (7) of the rotor disk (2, 3) is durably connected to the shaft (4) by way of a screw assembly (5, 6).

The invention relates to a holder for a profiled rail, comprising a main body (1), a clamping element (2) and a screw connection (3, 4).

The invention relates to a method and a device for checking a screwed connection and to special screws to implement said method.

This drive design is intended for designing a screw connector in such a way that it can be tightened once, but cannot be loosened any longer.

The connection of the assembly group to the support (5) occurs, for example, by means of a conventional screw connection through the attachment bore (44) in the support (5).

The invention can be preferably used for controlling a screw connection in industrial production, in workshop operations or for monitoring purposes in plant engineering.