This is a rotating beam type machine in which load is applied in reversed bending way. The standard specimen is held in special holders at its ends and loaded such that it experiences a uniform bending moment. The specimen is rotated at 4200 RPM by a motor. A complete cycle of reversed stresses in all fibres of the specimen is produced during each revolution. The bending moment is applied with a lever system and can be easily changed by moving a weight over the lever. Total number of revolutions at which the specimen fails are recorded by a Digital counter. An interlocking system puts off the motor at specimen failure. The machine meets requirements of IS 5075-1969 and consisting of the followings-
Note – High capacity machine up to 400kgcm bending moment can also be supplied on request.
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