Static Tensile Grips - Pneumatic Side Action Grips from Instron

Instron's pneumatic side action grips offer a versatile and effective solution for gripping a broad range of materials and specimen types. Fibers, sheet, wires, foils, textiles, film, elastomers, plastics, and components can all be effectively tested. Repeatable gripping force and speed of operation make pneumatic grips the suitable choice for a broad range of testing applications.

Instron’s 2712-04x and 2712-05x Series grips have many improved features to additionally optimize ease of use, repeatability, and operator safety including super-quick jaw face changes, jaw face shields, and an optional specimen centering device.

A broad range of interchangeable jaw faces in different sizes and selection of surfaces are available including rubber coated, smooth ground, and serrated. Wave profile, line contact, brake-lining faces are also available.

Principle of Operation

Pneumatic action grips clamp the specimen through a dual lever arm, actuated by an air cylinder integrated into the grip body. Gripping force can be regulated by modifying the input air pressure and remains constant even if the specimen contracts in the gripped area providing the maximum in 'follow-up' action. Pneumatic grips can be worked by a footswitch or by grip mounted air-valves (most models) making them faster and simpler to run than screw-action grips.

Application Range

  • Type of loading: static, tensile, tension-tension cyclic tests. Not ideal for high cycle fatigue tests.
  • Specimen material: thin sheets, foils, films, threads, fine wires, plastic tapes, and soft materials
  • Specimen shapes: round (wires) and flat specimen with/without shoulder tab ends
2712-04x Pneumatic Side Action Grips

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