FIBER FILAMENT TENSILE GRIPS
Lever Action Grips and O-Ring Type
Fibers and filaments tend to be relatively thin materials compared to most, but within these types of materials there can be a wide range of thicknesses and tensile strengths that determines the appropriate gripping method. To properly hold onto these materials, Instron offers two types of grips: a lever action style and an O-ring type.
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Catalog no. 2711-007
The O-Ring type of grip is designed to hold very small diameter fiber specimens during tension testing. The rubber v-groove provides a gradually increased frictional hold on the specimen and helps reduce grip face pinching and subsequent specimen jaw breaks. Special considerations are built into the design, where the U-shaped bend provides sufficient area for specimen loading.
Principle of Operation
The O-Ring fiber grip utilizes two rubber o-rings sandwiched between two knurled wheels. These wheels thread on a stud and compress the o-rings to achieve desired gripping force on the specimen.
- Type of loading: tensile
- Specimen materials: fine wires, filaments
- Specimen shapes: round, flat
|Specimen Diameter||1 to 25 microns|
|Temperature Range||-10 °C to 100 °C|
|Upper and Lower Fittings||Type Om (12 mm connection with 6 mm clevis pin)|
|Misc.||Includes a Type A (hook) for the upper grip|