Instron 4400 Series Operator's Manual page 216

Universal testing system
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Selection Of Grips
Table A-1.
SPECIMEN
MATERIAL
Paper
Plastic Films
Rigid Plastics
Wire and
Sheet Metal
Cord and Yarn
Fabrics
Elastomers
A-6
Gripping Techniques
SPECIMEN
MAX. BREAK
GEOMETRY
LOAD (LB)
25 mm (1 in.)
100
wide
25 mm (1 in.)
100
wide
25 mm wide x
1000
12.5 mm thick
(1 in. wide x
.5 in. thick)
.50 to 1.5 mm
200
diameter
(.002 to .060 in.)
.50 to 4.8 mm
350
diameter
25 mm or 100
1000
mm wide strip
(1 in. or 4 in.)
mm to 6 mm
150
wide (.125 to
.250 in.)
M10-94400-1
TYPES OF GRIPS
AND FACES
Screw-action or
Pneumatic (25 x 50 mm
flat faces)
Same as above.
Also, line contact faces
can be used.
Wedge-action or
screw-action with
serrated faces.
Screw-action or
pneumatic-action with
25 mm x 50 mm flat or
serrated faces.
Pneumatic cord and
yarn grips.
Screw-action or
pneumatic-hydraulic
with flat faces.
Elastomeric

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