Steel Construction
Permanent strain, but also load and temperature fluctuations present special challenges for the joining qualities and screws and bolts of steel structures, as e.g. bridges, large buildings, and masts and pylons.
In addition the EU has introduced and specified new trans-European and harmonized standards for steel constructions changed and partially enhanced or completely new standards and requirements for bolted connections.
Whichever effect this may have on your operations, with alkitronic products you are ready to cope with these new requirements and meet the specifications.
Dialogue to the perfect solution
You are facing the application challenge – we have the expertise and competence to advise you in a dialogue to find the perfect solution meeting your requirements.
With alkitronic as your system partner you will be able to collaborate on a high technical level: anything concerning tightening and bolting in your steel construction, including calibration and documentation. We know your facility type and applications. This way we can provide you with the right tool package to meet all your requirements. Through our high level of service we always achieve long-lasting partnerships. Check us out and just inquire.
The right procedures
When the EU standards were updated, higher joint quality was an essential criterion. The previously used torque pre-tightening procedure according to DIN-18800 was the standard to attaining the proper and specified pre-tightening forces as a control value.
The combination of pre-fastening torque and the target value of assembly torque was basically a function of the friction. For this the simple torque procedure was insufficient; Much better is the torque / angle procedure (combined procedure according to DIN EN 1090-2), as this reduces the influence of friction considerably when comparing it with the assembly effort.
Advantages at a glance
Your applications
Working speed, easy handling, precision but also restricted space, technical specifications and requirements influence your selection of the right tool. Alkitronic provides the right solution for any challenge.
Electrical or rechargeable battery-driven power torque multipliers of the series EFCip and EA provide optimum precision, high speeds and easy of handling at the same time. In restricted spaces the alkitronic ECWip as well as the EAW with the angled gear and reduced size are first choice. In case of even more tight spots and difficult to access areas we recommend the use of the alkitronic AS-/AX hydraulic wrenches.
Application of the combined torque procedure
When pre-tightening, now or in the future, according to EN 1090-2 and using the combined torque procedure, alkitronic offers with EFCip/ECWip models the perfect modular software solution. These provide everything for tightening procedures such as, for example, toque / angle fastening or the possibility to amend documentation. For devices of the new models this is available as an additional option. In addition there are factory solutions for the required torque values and high precision settings as required for your high quality bolting and screwing issues. With alkitronic EFCip/ECWip you will always be standard-compliant and ready for the future.
