Delivering the required quality is a matter of course for us. Our QM system is certified in accordance with ISO 9001:2015 by Intertek (Northbrook, USA site) and ITAF 16949:2016 as well as ISO 9001:2015 (Esslingen). The daily work is supported by an innovative CAQ program.
Checking the spring force is a demanding task for specialists. The following downloads contain interesting details on the theory and practice.
Uncertainty of measurement of load testers: Definitions and requirements
to DIN EN ISO 7500-1
A practical example how to calibrate a load tester and to find its uncertainty of measurement
How to detect the “true” load reading
Or: What to do with test discrepancies?
Why should diameter be measured in flat position?
You can find detailed information here about the theoretical principles of the design and application of disc springs and wave springs. Instructions for producing drawings are also provided. Simply download the relevant PDF file to your computer.
General information about standard and special diaphragm springs, spring characteristic options, slotted diaphragm springs, diaphragm spring seats and centering; dynamic load including setting and relaxing; hysteresis; application examples.
Information on the intended use and technical properties of wave springs and diphagrams.
The most important features and how to define them in your drawing.
Here you can download HÄUSSERMANN’s general terms and conditions of sale and purchase. Learn more about our terms and conditions to ensure a transparent and reliable cooperation.
