Ulbrich spring test machines are developed specifically for the railroad-industry. They are in the use in workshops as well as at spring manufacturers. Beside the classic coil spring, leaf springs, parabolic-feathers and also rubber springs be tested a the same machine. According to implementation, the axial stiff-ness as well as the transversal (horizontal) stiff-ness and its direction can be measured.ir direction. An individual test-programs can be in simply way produced with our software.