Test specimen is to withstand not less than 107 cycles with frequency 20 - 50 Hz without
leakage or damage.
b) Grip type and Machine grooved type joints
Grip type joints and other similar joints containing elastic elements are to be tested in
accordance with the following method.
A test rig of cantilever type used for testing fatigue strength of components may be used. The
test specimen being tested is to be arranged in the test rig as shown in Fig. 2.
Fig. 2