JIG FOR MOUNTING SAMPLES IN A TEST DEVICE FOR MATERIAL CONTACT FATIGUE TESTS

摘要

The jig (1) for mounting test samples (8) in a testing device for material contact fatigue tests equipped with at least a rolling drum (3) and a testing set (4), which contains both a drive unit (41) whose entry shaft (411) for coupling with the bearing shaft (5) of the jig (1) is mounted coaxially with the rotating axis of the rolling drum (3), and the pressure unit (42) which is mounted displaceably in the direction perpendicular to the rotating axis of the rolling drum (3). The essence of the invention is that the jig consists of a bearing ring (101) and a pressure ring (102), which consist of flat circular discs of the same diameter adapted to ensure mutual concentric placement and clamping in the direction of the axis of the bearing shaft (5), where the bearing (101) and the pressure ring (102) are equipped with a set of at least two circumferentially spaced and mirrored semi-circular beds (103), which create an upwardly open cylindrical cavity (104) for inserting test samples (8) into on completion.