Eccentricity control type tension testor

摘要

PURPOSE: An eccentricity controlling tension test apparatus is provided to adjust the location of a test sample and to easily fasten the test sample to an upper jig and a lower jig due to the upper and the lower jigs freely moves to multi-direction. CONSTITUTION: An eccentricity controlling tension test apparatus comprises: an upper jig(200) which is fixed and installed at the lower part of an upper rack and includes a first pivot axis(220) installed at the lower part of an upper fixed piece(210) and an upper connecting piece(230) rotated according to the first pivot axis with being installed at the lower part of the first pivot axis; and a lower jig(400) which includes a lower fixed piece(410), a ball bearing(420), and a lower connecting piece(430). The upper part of a test sample is united to the upper connecting piece.