- Hold Down Mechanism are used for the fixation of movable subsystems of a satellite during the launch phase
- the inertia forces caused by the launch are mainly supported by the mechanism instead of the potentially sensitive subsystem support
- in the performed test, the mechanical strength of the mechanism with respect to different combinations of axial and lateral forces and moments was verified
- in addition to the mechanical stability, also the functionality of load transferring frictional connections was investigated
- for the realisation of the load combinations in a standard tensile testing machine, a complex load introduction element has been designed
- using with appropriately positioned and oriented pulleys, a resulting rope force was applied to the load introduction elementso that the specified load combination was achieved
- the correct application of the force and moment combinations has been verified by a 6-axis load cell
Project details
Core competencies: Space-
Fatigue Tests and Determination of the Mechanical and Thermal Properties of Electro-Deposed Copper for the Accelerator Grid (SPIDER) -
CTE Measurement of CFRP Tapes -
Sandwich Panel Thermal Cycling Test -
Permeability Test for CFRP Membranes in Cryogenic Conditions -
Design and Manufacturing of a Mock-Up of the ITER Vacuum Vessel Support and Performance of a Vertical Load Test -
Specification of the Random Vibration Spectrum for the MERTIS Bolometer -
Multi angle loading test on tie down fittings of a transport airplane
KRP Mechatec GmbH is an engineering services provider specialized in structural tests and analyses in the field of space, aviation, experimental research and other high-tech industries, certified according to DIN EN ISO 9001:2015.
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