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Pneumatic side acting tensile grips 2712-04x and 27120-5x provide a repeatable and constant gripping force, making them a great choice for high volume QC testing, especially when testing specimens that thin with axial extension. These grips are widely used for polymer testing and in the biomedical industry.
Wedge grips are a long-standing workhorse in materials testing; Instron uses the moving body design which avoids unnecessary compressive stresses being applied to specimens as the grips are tightened. Instron hydraulic and precision mechanical wedge grips are well suited to the rapidly developing composite market meeting Industry standards. For static testing see 2716 series and for dynamic testing see 2742 series.
Meeting industry standards and maximizing specimen testing to minimize production downtime can be helped by using an Instron Auto X extensometer, which has the accuracy to meet stringent standards requirements and is easy to use for operators.
Are you using the right grips? Instron recommends an incorporated capstan design which reduces stress concentrations at the jaw face specimen interface, promoting failure away from the specimen jaw face interface.