Sensors and measurement technology

Robert Timmerberg M. A., Fachjournalist (DFJV),

Damping and measurement technology go hand in hand

Two German companies have been cooperating successfully in the field of measurement technology for many years in order to be able to precisely test industrial damping technology in the area of dynamic parameters for customer-specific projects. Here they provide insights into their collaboration.

In the course of customer-specific tuning of small shock absorbers for the best possible protection of the end positions of a handling system, ACE carries out test runs on its own test bench supported by high-quality measurement technology before delivery. © ACE Shock absorber GmbH

In many automated manufacturing processes, small and industrial shock absorbers are used as efficient, currentless hydraulic components for deceleration or the precise braking of mass forces to increase productivity and safety. ACE Stoßdämpfer GmbH provides a wide range of these machine elements as self-adjusting and adjustable types for a wide variety of applications, enabling designers to cover the most common force ranges with the company's standard components.

Sensors and simulations play a role when engineers want to precisely determine the actual damping characteristics of the respective ACE shock absorber types for their specific application in advance for particularly sensitive applications. This applies in special cases when handling or decelerating very high mass forces on machine tools or rotary tables. If the damping curves specified by the manufacturer are not sufficient for the customer's application, ACE's consulting engineers use in-house testing facilities to check the theoretical simulations from the designs with standard components in practice and validate them.

Measurement technology validates simulation and test results
Whether ACE components are tested in vertical or horizontal linear axes, the company uses a laser displacement measuring system to determine the damping travel and force sensors to determine the actual support force for all test benches. The company has been cooperating with Burat & Klein Datentechnik GmbH, based in Meckenbeuren in the Lake Constance district, since 2004. While the various sensors and displacement transducers are connected to a measuring system called MultiMessBOX, which is precisely adapted to the respective test point, the data determined in each test run can be evaluated using the MessMax® software programmed by Burat & Klein. This makes it possible to superimpose the curve measured during the real test with the theoretical curve determined on the computer and thus validate the theory in practice. Jörg Küchmann, ACE research and development engineer: "Burat & Klein offers us special evaluation software with which we can compare three parameters and automatically export the results to Excel as required. In this case, the maximum support force, the maximum damping travel and also the energy, i.e. the area under the force-travel curve, are evaluated and checked."

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ACE at automatica 2023 in hall 5, booth 518

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