Grips for Yarn

These pneumatic grips for yarn and tire cord are single-actuator grips for clamping fibrous or filamentary tensile specimens.

The load-reduction curve with 180° deflection gently reducesthe 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.

Grips employing deflection_capstan grips

Key Advantages and Features

  • With pneumatic end clamping the gripping force remains constant, allowing high specimen throughput.
  • Automatic centering of specimens via guide grooves in the load reduction curve.
  • No transverse forces are transmitted to the load cell via the specimen grips.
  • The symmetrical weight distribution allows the center of gravity of the grips to be near the tensile axis.
Grips employing deflection (capstan grips)

Grips for Yarn

  • Specimen material:
    textiles, plastics, metals, glass fiber
  • Specimen shape:
    high-strength yarns, multifilaments, cord, metal strand, wire
  • Type of loading:
    tensile

Advantages and features (yarn)

  • Secure holding of the specimen ensures reliable test results, even with specimens prone to shrinkage.
  • High specimen throughput thanks to quick specimen insertion and centering via 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.
  • Interchangeable load reduction curves enable optimum adaptation of the specimen grips to accommodate different specimen materials.
  • The jaws can be changed quickly and easily for different applications - no tools required. The jaws are centered automatically.

Technical data, Fmax 2.5 kN

Type

8297

Item No.

353413

Test load Fmax

2.5

kN

Operating principle/identification

Pneumatic, single-side closing

Gripping force, max. at 6 bar

16

kN

Gripping force, max. at 10 bar

27

kN

Operating pressure

1.5 ... 10

bar

Dimensions

Height

254

mm

Width

358

mm

Depth

100

mm

Opening width, max. with jaws

5

mm

Connection, stud

Ø 20

mm

Weight per specimen grip, approx.

7.5

kg

Ambient temperature

+10 ... +35

°C

Scope of delivery

2

pieces

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