Grips for High-Strength Plastic Yarns

The specimen grip for yarn and tire cords

The pneumatic grip for yarn and tire cords is a single actuator grip used on filamentary tensile specimens.

The force reduction curve employing 180° deflection carefully reduces the tensile force on the clamping position. The pneumatic clamping ensures a constant gripping force and can be easily and reproducible set. The specimen is held securely and jaw breaks are prevented during the test.

Advantages & features

Function description

The load-reduction curve with 180° deflection gently reduces the tensile force before the clamping point. Pneumatic clamping ensures constant gripping force with easy, reproducible adjustment. The specimen is held securely and jaw breaks during the test are avoided.

Advantages

Secure holding of the specimen ensures reliable test results, even with specimens prone to shrinkage.

High specimen throughput thanks to quick specimen insertion and exact centering with insertion aid and guide groove.

Fast, easy two-handed specimen change - grips operated via foot control unit.

The load-reduction curve ensures gentle gripping with no jaw breaks.

The symmetrical weight distribution of the grips ensures accurate force measurement.

Technical overview

Type	8297
Item No.	070255
Operating principle/identification	Pneumatic, single-side closing
Test load F_max	2.5	kN
Gripping force at 6 bar	16	kN
Operating pressure	3 ... 10	bar
Opening width, max. with jaws	4	mm
Dimensions
Height	183	mm
Width	232	mm
Width with pneumatic connection	267	mm
Depth	100	mm
Depth with insertion aid	116	mm
Depth with insertion aid and connection unit	126	mm
Connection, stud	Ø 20	mm
Weight per specimen grip, approx.	6.1	kg
Ambient temperature	+15 ... +35	°C
Scope of delivery	2	pieces

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Downloads

Product information: Specimen grips for high-performance fibers, Fmax 2.5 kN PDF 604 KB
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