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Quality

Tested Quality
for more safety

MORE POWER FOR LONGER UNCOMPROMISING QUALITY

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.

Load Testing

Uncertainty of measurement of load testers: Definitions and requirements

Calibration of diaphragm spring testing machine

to DIN EN ISO 7500-1

The HÄUSSERMANN load tester

A practical example how to calibrate a load tester and to find its uncertainty of measurement

The HÄUSSERMANN Interlaboratory test:

How to detect the “true” load reading

Cross-checking spring loads

Or: What to do with test discrepancies?

Measuring the diameters of diaphragm springs

Why should diameter be measured in flat position?

Technical Information

Technical Information:
Physics of the disc springs

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.

Kurvenschar

DIAPHRAGM SPRINGS

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.

WAVED SPRINGS AND DIAPHRAGMS

Information on the intended use and technical properties of wave springs and diphagrams.

THE DIAPHRAGM SPRING DRAWING

The most important features and how to define them in your drawing.

GCP and GCT

General conditions of purchase and general conditions of trade

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.