ASTM F504-05(2017)

Standard Test Method for Measuring the Quasi-Static Release Moments of Alpine Ski Bindings

SIGNIFICANCE AND USE
5.1 This test method involves simulation in the laboratory of potential injury-producing loads that can occur in skiing, without implying the frequency or the magnitude of the danger. This test method does not include the simulation of all or part of a skier, and care must be taken not to confuse the values of moments measured by the test shaft with the loads subjected to the tibia of a skier under the same conditions.
SCOPE
1.1 This test method covers a procedure for the measurement of release moments of ski bindings under conditions where inertia loadings of the ski binding system are not significant.  
1.2 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.

General Information

• Status: Historical
• Publication Date: 31-Dec-2016
• ICS: 97.220.20 - Winter sports equipment
• Technical Committee: F27 - Snow and Water Sports
• Drafting Committee: F27.10 - Binding Test Procedures

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F504 − 05 (Reapproved 2017)
Standard Test Method for
Measuring the Quasi-Static Release Moments of Alpine Ski
1
Bindings
ThisstandardisissuedunderthefixeddesignationF504;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
3.1 The following terminology is introduced with reference
1.1 This test method covers a procedure for the measure-
to the sketch of the boot-ski system shown in Fig. 1.
ment of release moments of ski bindings under conditions
3.1.1 Six points of load application to the standard test ski
where inertia loadings of the ski binding system are not
are required. With the adult boot sole (300 mm in length) the
significant.
mostforwardpoint,locatedataposition90 60.5cmfromthe
1.2 This standard does not purport to address all of the
centerline of the test shaft, shall be called the “forward point”
safety concerns, if any, associated with its use. It is the
andshallbedesignatedas F.Thesecondpoint,45 60.5cmin
responsibility of the user of this standard to establish appro-
front of the centerline of the test shaft, shall be designated the
priate safety and health practices and determine the applica-
“near point,” N. The third point, located 45 6 0.5 cm behind
bility of regulatory limitations prior to use.
thecenterlineofthetestshaft,shallbedesignated“rearpoint,”
R. The fourth point, located 35 6 0.5 cm in front of the center
2. Referenced Documents
line of the test shaft, shall be designated the “near preload
2
point,” NP. The fifth point, located 75 6 0.5 cm behind the
2.1 ASTM Standards:
centerline of the test shaft shall be designated the “far rear
F498Test Method for Center Spring Constant and Spring
point,” FRP.Thesixthpoint,the“alternatenearpreloadpoint,”
Constant Balance of Alpine Skis
ANP, is located 7.5 6 0.25 cm, in the minus y-direction from
F779Test Method for Torsion Characteristic of Alpine Skis
the point NP. For sole lengths longer than 300 mm the F and
F944Specification for Properties ofAdultAlpine Ski Boots
3
FR points are not changed from the location used for the 300
(Withdrawn 2004)
mm boot sole. For sole lengths shorter than 300 mm the N, R,
4
2.2 ISO Standard:
ANPand NPpoints are not changed from the location used for
ISO 9838Alpine Ski Bindings–Test Soles for Ski Binding
the300mmsole.Forbindingswhicharetobeusedexclusively
Tests
with skis shorter than the test ski, F and FR tests shall be
ISO 9462Alpine Ski Bindings–Safety Requirements and
performed at the N and R points. If the ski is too short for the
Test Methods
specifiedNandRpoints,NandRshallbemovedclosertothe
ISO 9465Alpine Ski Bindings–Lateral Release under Im-
z-axis by 10 cm each, and all tests performed using the new N
pact Loading-Test Method
and R points. The forces that are applied to the standard ski at
these six designated points may now be described by simple
vector notation. A laboratory-fixed axis designation shall be
1
This test method is under the jurisdiction of ASTM Committee F27 on Snow
usedwiththenumeral zdenotingtheverticalaxisnormaltothe
Skiing and is the direct responsibility of Subcommittee F27.10 on Binding Test
top face of the ski (in the region of the test shaft) and positive
Procedures.
in the direction outward from the ski; the numeral x denoting
Current edition approved Jan. 1, 2017. Published January 2017. Originally
approved in 1977. Last previous edition approved in 2012 as F504–05 (2012). the longitudinal axis, positive in the forward direction of the
DOI: 10.1520/F0504-05R17.
ski; and the numeral y denoting the lateral axis, the positive
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
direction of which is determined by the right-hand rule. The
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
z-axis is coincident with the centerline of the test shaft. The
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
origin of the XYZ coordinate system is a point 230 mm along
3
The last approved version of this historical standard is referenced on
theaxisofthetestshaftfromthebearingsurfaceofthetestsole
www.astm.org.
4 for 300 mm test soles. The location is changed proportionally
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036. forsolesotherthan300mm.Thedirectionofanyforceapplied
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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F504 − 05 (2017)
momentsmeasuredbythetestshaftwiththeloadssubjectedto
the tibia of a skier under
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: F504 − 05 (Reapproved 2012) F504 − 05 (Reapproved 2017)
Standard Test Method for
Measuring the Quasi-Static Release Moments of Alpine Ski
1
Bindings
This standard is issued under the fixed designation F504; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method covers a procedure for the measurement of release moments of ski bindings under conditions where inertia
loadings of the ski binding system are not significant.
1.2 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.
2. Referenced Documents
2
2.1 ASTM Standards:
F498 Test Method for Center Spring Constant and Spring Constant Balance of Alpine Skis
F779 Test Method for Torsion Characteristic of Alpine Skis
3
F944 Specification for Properties of Adult Alpine Ski Boots (Withdrawn 2004)
4
2.2 ISO Standard:
ISO 9838 Alpine Ski Bindings–Test Soles for Ski Binding Tests
ISO 9462 Alpine Ski Bindings–Safety Requirements and Test Methods
ISO 9465 Alpine Ski Bindings–Lateral Release under Impact Loading-Test Method
3. Terminology
3.1 The following terminology is introduced with reference to the sketch of the boot-ski system shown in Fig. 1.
3.1.1 Six points of load application to the standard test ski are required. With the adult boot sole (300 mm in length) the most
forward point, located at a position 90 6 0.5 cm from the centerline of the test shaft, shall be called the “forward point” and shall
be designated as F. The second point, 45 6 0.5 cm in front of the centerline of the test shaft, shall be designated the “near point,”
N. The third point, located 45 6 0.5 cm behind the centerline of the test shaft, shall be designated “rear point,” R. The fourth point,
located 35 6 0.5 cm in front of the center line of the test shaft, shall be designated the “near preload point,” NP. The fifth point,
located 75 6 0.5 cm behind the centerline of the test shaft shall be designated the “far rear point,” FRP. The sixth point, the
“alternate near preload point,” ANP, is located 7.5 6 0.25 cm, in the minus y-direction from the point NP. For sole lengths longer
than 300 mm the F and FR points are not changed from the location used for the 300 mm boot sole. For sole lengths shorter than
300 mm the N, R, ANP and NP points are not changed from the location used for the 300 mm sole. For bindings which are to be
used exclusively with skis shorter than the test ski, F and FR tests shall be performed at the N and R points. If the ski is too short
for the specified N and R points, N and R shall be moved closer to the z-axis by 10 cm each, and all tests performed using the
new N and R points. The forces that are applied to the standard ski at these six designated points may now be described by simple
vector notation. A laboratory-fixed axis designation shall be used with the numeral z denoting the vertical axis normal to the top
face of the ski (in the region of the test shaft) and positive in the direction outward from the ski; the numeral x denoting the
longitudinal axis, positive in the forward direction of the ski; and the numeral y denoting the lateral axis, the positive direction of
which is determined by the right-hand rule. The z-axis is coincident with the centerline of the test shaft. The origin of the XYZ
coordinate system is a point 230 mm along the axis of the test shaft from the bearing surface of the test sole for 300 mm test soles.
1
This test method is under the jurisdiction of ASTM Committee F27 on Snow Skiing and is the direct responsibility of Subcommittee F27.10 on Binding Test Procedures.
Current edition approved June 1, 2012Jan. 1, 2017. Published July 2012January 2017. Originally approved in 1977. Last previous edition approved in 20052012 as
F504 – 05.F504 – 05 (2012). DOI: 10.1520/F0504-05R12.10.1520/F0504-05R17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is refere
...