Spectacle Frames Testing Machine Torsion Tester For endurance test eyeglass frame torsion tester

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The upper part of the eyeglass frame torsion instrument is the specimen fixture, and the eyeglass frame is clamped on both ends of the fixture for torsion test. The eccentric device is driven by a motor for angular deflection and twisting. After the designed number of torsions. Stop the operation of the apparatus, remove the specimen, observe the degree of wear to evaluate its folding resistance, to provide reference for material selection.