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Field Method for Torsion Stiffness Measurement of Complete Vehicles
Technical Paper
2003-01-2754
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The following paper describes how to measure the global torsional stiffness of a complete car under field-like conditions. All that's needed are lifting devices, two stands of equal height, three glide planes or equivalent, three scales and two inclinometers, a spirit level, some pieces of aluminum and a glue gun. The results from four measured cars are presented and a comparison is made with values obtained with laboratory equipment and data from manufacturers. The method is a fast and economic means to find the most interesting cars that then can be selected for measurement by traditional methods, giving the stiffness as a function of the vehicles long axis, and thus minimizes the cost of benchmarking. Time for measuring one car with all equipment readily available and with personnel having some experience of the method is about two hours. Only the sway bars have to be disconnected. Absolutely no damage to the measured car means that rented cars can be used.
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Citation
Bylund, N. and Fredricson, H., "Field Method for Torsion Stiffness Measurement of Complete Vehicles," SAE Technical Paper 2003-01-2754, 2003, https://doi.org/10.4271/2003-01-2754.Also In
References
- Ford Static Torsion and Bending Test - Body and Vehicle Engineering Standards & Systems Engineering (ESSE)
- Forssell Jonas Matning av vridstyvhet - komplett bil Volvo Car Corporation dept. Painted Body Engineering 1995
- Mikael Holmsbo Metodutvecklingsprojekt - matning av vridstyvhet, kompl. Bil Volvo Car Corporation 1995