ASTM F1648-95
(Test Method)Standard Test Methods for Archery Bowstring Component-Serving String Material
Standard Test Methods for Archery Bowstring Component-Serving String Material
SCOPE
1.1 These test methods cover the classification and testing of serving string as a component material used in the fashioning of archery bowstrings.
1.2 These test methods are not intended to provide information beyond any evaluation of the serving string material that would determine its fitness for use other than in the fabrication of the completed bowstring.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Standards Content (Sample)
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Designation: F 1648 – 95
Standard Test Methods for
Archery Bowstring Component—Serving String Material
This standard is issued under the fixed designation F 1648; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.5 standard condition—a condition reached by material
when in moisture equilibrium with a standard atmosphere of a
1.1 These test methods cover the classification and testing
given temperature and relative humidity.
of serving string as a component material used in the fashion-
3.1.6 strength—the maximum force applied to a serving
ing of archery bowstrings.
string material causing it to break.
1.2 These test methods are not intended to provide informa-
tion beyond any evaluation of the serving string material that
4. Significance and Use
would determine its fitness for use other than in the fabrication
4.1 These test methods are intended to provide basic infor-
of the completed bowstring.
mation for evaluation and procurement for the user of serving
1.3 This standard does not purport to address all of the
string materials for bowstrings.
safety concerns, if any, associated with its use. It is the
4.2 These test methods are not meant to be all inclusive
responsibility of the user of this standard to establish appro-
since special circumstances may occur that dictate the use of
priate safety and health practices and determine the applica-
nonconforming procedures for evaluation. These special cir-
bility of regulatory limitations prior to use.
cumstances and the requirements they establish cannot be
2. Referenced Documents totally anticipated and therefore must be considered on an
individual basis.
2.1 ASTM Standards:
D 76 Specification for Tensile Testing Machines for Tex-
5. Test Methods
tiles
2 5.1 Refer to Practice D 1776 for standard condition require-
D 123 Terminology Relating to Textiles
ments.
D 204 Test Methods for Sewing Threads
2 5.1.1 Standard Conditions—70 6 2°F (21 6 1°C), 65 6
D 1776 Practice for Conditioning Textiles for Testing
2 % relative humidity.
D 2256 Test Method for Tensile Properties of Yarns by the
2 5.2 Refer to Test Method D 2256 for strength and elonga-
Single-Strand Method
tion requirements.
3. Terminology 5.2.1 Set CRE-type testing machine at 12 6 0.5-in. (305 6
10-mm)/min draw rate with gage length as follows:
3.1 Definitions:
5.2.1.1 10 6 0.1 in. (250 6 3 mm) from nip for pneumatic
3.1.1 bowstring—completed assembly constructed in part
flat-faced clamps, or
from multiple strands of cord materials lashed at the center or
5.2.1.2 5 6 0.1-in. (125 6 3-mm) free gage length for
the loop ends with serving string materials and used to connect
capstan-type clamps.
the limbs of a bow by which to launch an arrow.
5.2.1.3 Report test results as the average of five test speci-
3.1.2 diameter—a measure of the thickness of the serving
mens per sample and the average of three test samples.
string material.
5.2.2 Elon
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