NASM 1312 13 Test Fixture
NASM 1312 13 Test Fixture 1 1
NASM 1312 13 Test Fixture 2 1
NASM 1312-13 Test Fixture
NASM 1312 13 Test Fixture 1 1
NASM 1312 13 Test Fixture 2 1

NASM 1312-13 Test Fixture

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The Aerospace Industries Association publishes NASM 1312-13, Fastener Test Methods for Double Shear Tests.

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Description

NASM 1312-13, Fastener Test Methods for Double Shear Tests

 

The Aerospace Industries Association publishes NASM 1312-13, Fastener Test Methods for Double Shear Tests.

This standard is focused on the details surrounding double shear testing of fasteners. It also replaced MIL-STD-1312-13A.

The test described in this standard can be difficult because the test rate is specified in terms of stress and load, but the rate needs to remain constant throughout

the entire test.

In addition, total failure of the fastener is undesirable, so break detection and stopping machine movement is critical.

Double Shear Fixture for Fasteners
The double shear fixture is made of a high strength tool steel to accommodate the high stress involved in a double shear test.
It is a compression type fixture, consisting of a mandrel and an anvil, both with U-shaped cutouts.
The anvil supports the fastener during the test and the mandrel applies the compressive force.
The mandrel and anvil of the fixture are precision machined as a matched set for a specific size fastener.
A separate fixture must be purchased for each size fastener being tested.

*** Before conducting NASM 1312-13 , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.

 

***PARSROS  offers several types of grips and fixtures which will enable you to perform a variety of tests

  that are accurate and repeatable.

Max. specimen diameter :  6.3 mm

Steel, nickel-plated, hardened

Compression platens are not included in the scope of delivery  and should be ordered seperately

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