Pincer Grips

These grips are primarily used for testing highly ductile plastics and elastomers. The pincer principle produces a strong increase in gripping force during the test.
Pincer Grips

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Key Advantages and Features

Advantages and features

  • The closing force is proportional to the tensile force (self-gripping).
  • The lateral mobility of the pincer grip allows specimens to always be loaded centrically to the test axis.
  • Its design ensures fast, easy gripping.
  • High temperature resistance and low overall height make the specimen grip ideal for use in temperature chambers.
  • The specimen grip is often used as the upper grip for tear growth or pull-off tests.

Applications

  • Specimen material:
    Elastomers, soft plastics, components
  • Specimen shape:
    Flat specimens, primarily dumbbells
  • Type of loading:
    Tensile

Operating principle

The grips are opened and closed via a lever.

A spring holds the specimen grip open for the specimen to be inserted. The shearing action creates the closing force at the beginning of the test. Per the shearing principle, automatic retightening occurs as the tensile force increases, which is advantageous for specimens that decrease in section during testing.

Pincer Grips
Pincer Grips

Technical Overview

Technical Overview of pincer grips in test loads Fmax 500 N / 2.5 kN / 5 kN / 10 kN

Fmax 500 N

Item No.

316268

316294

Type

8122

8122

Test load, max. (Fmax)

0.5

0.5

kN

Height

65

64.5

mm

Height (when open)

41

40.5

mm

Width

111

111

mm

Width (when open)

124

124

mm

Depth

41

41

mm

Opening width, max.

15

15

mm

Specimen thickness, max.

15

15

mm

Gripping of the specimen

The specimen must be gripped above at least 3/4 of the jaw height.

Jaws

Not supplied

not supplied

Gripping area (H x W)

12 x 30

12 x 30

mm

Hardness

700 HV

700 HV

Weight per specimen grip, approx.

0.35

0.35

kg

Connection

Ø 8

Ø 8

mm

Ambient temperature

-40 to +250

-40 to +250

°C

Scope of delivery

2

1

pieces

Fmax 2.5 kN

Item No.

316286

316296

Type

8222

8222

Test load (Fmax)

2.5

kN

Dimensions

Height

97

mm

Height (when open)

61

mm

Width

157

mm

Width (when open)

178

mm

Depth

49

mm

Opening width, max.

20

mm

Specimen thickness, max.

15

mm

Dimensions:

Height

97

mm

Height (when open)

61

mm

Width

157

mm

Width (when open)

178

mm

Depth

49

mm

Opening width, max.

20

mm

Specimen thickness, max.

Gripping of the specimen

The specimen must be gripped above at least 3/4 of the jaw height.

Weight per specimen grip, approx.

1.2

1.2

kg

Connection

Ø 20

Ø 20

mm

Ambient temperature

-40 to +250

-40 to +250

°C

Scope of delivery

2

1

pieces

Fmax 5 kN

Item No.

069915

069914

Type

8322

8322

Test load, max. (Fmax)

5

5

kN

Height

128

128

mm

Height (when open)

88

88

mm

Width

224

224

mm

Width (when open)

236

236

Depth

66

66

mm

Opening width, max.

26

26

mm

Gripping of the specimen

The specimen must be gripped above at least 3/4 of the jaw height.

Weight (with jaws), approx.

3.6

3.6

kg

Connection

Ø 20

Ø 20

mm

Ambient temperature

-40 to +250

-40 to +250

°C

Scope of delivery

2

1

pieces

Jaws supplied

Gripping area (H x W)

26 x 60

26 x 60

mm

Hardness

700 HV

700 HV

Fmax 10 kN

Item No.

314615

314950

Type

8322

8322

Test load, max. (Fmax)

10

10

kN

Height

128

128

mm

Height (when open)

88

88

mm

Width

224

224

mm

Width (when open)

236

236

mm

Depth

66

66

mm

Opening width, max.

26

26

mm

Gripping of the specimen

The specimen must be gripped above at least 3/4 of the jaw height.

Weight (with jaws), approx.

3.6

3.6

kg

Connection

Ø 20

Ø 20

mm

Ambient temperature

-40 to +250

-40 to +250

°C

Scope of delivery

2

1

pieces

Jaws supplied

Gripping area (H x W)

26 x 60

26 x 60

mm

Hardness

700 HV

700 HV

X

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