1、Designation: F 473 09Standard Specification forBinding Mounting Area Dimensions on Alpine Skis andBindings1This standard is issued under the fixed designation F 473; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last
2、revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers2dimensions for bindingmounting areas for alpine skis and mounting-related dimen-sions on alpine s
3、ki bindings as part of an interface (“ski-binding-boot”) system, in order to optimize the compatibilityof the functional elements of the system. It contains dataneeded for the manufacture of alpine skis, and for manufac-turers of alpine ski bindings, specifically with respect to thebinding mounting
4、area. This specification is applicable toalpine skis of the following chord lengths (see TerminologyF 472 for the definition of chord length, LN):Group 1: LN$ 1700 mmGroup 2: 1400 mm # LN 1700 mmGroup 3: 1000 mm # LN 1400 mmGroup 4: 750 mm # LN 1000 mm1.2 The values stated in SI units are to be rega
5、rded asstandard. No other units of measurement are included in thisstandard.2. Referenced Documents2.1 ASTM Standards:3F 472 Terminology for Geometry of Alpine SkisF 944 Specification for Properties of Adult Alpine SkiBoots42.2 ISO Standard:58364 Alpine Skis and BindingsBinding MountingAreaRequireme
6、nts and Test Methods3. Terminology3.1 Definitions:3.1.1 binding mountingall the connections between theparts of the binding and the ski, especially those designed totransmit forces between binding and ski and that fulfill theminimum strength requirements determined for the function ofthe binding.3.1
7、.2 binding mounting areathat portion of the top sur-face of the ski that is intended for mounting bindings. Thestandardized binding mounting area establishes the area on theski within which the entire diameter of binding screws shouldbe placed.4. Significance and Use4.1 This specification defines th
8、e area wherein parts of thebinding may be mounted. Standard dimensions and location fora binding mounting area enable a ski designer to locatereinforcing elements within this area. Standard dimensions alsoenable the binding designer to determine all interface dimen-sions for binding unit size, screw
9、 locations, etc. Bindings andskis built in compliance with this specification are compatible.This specification does not apply to any bindings or skismanufactured prior to Jan. 1, 1979.5. Specifications of Binding Mounting Area5.1 TolerancesUnless otherwise indicated, the toleranceon all dimensions
10、specified is 61 mm.5.2 Indication of Mounting Point:5.2.1 The ski manufacturer shall be required to put a clearlyvisible mark at least on the left side or top surface, or both, ofthe ski, up to the left outer edge. This line corresponds with the1This specification is under the jurisdiction of ASTM C
11、ommittee F27 on SnowSkiing and is the direct responsibility of Subcommittee F27.30 on Skis and Boots.Current edition approved June 1, 2009. Published July 2009. Originally approvedin 1976. Last previous edition approved in 2003 as F 473 96 (2003).2This specification is meant to conform in all signif
12、icant aspects to thespecification for binding mounting area for alpine skis as set forth in ISO 8364.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards D
13、ocument Summary page onthe ASTM website.4Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.5Available from American National Standards Institute, 11 W. 42nd St., 13thFloor, New York, NY 10036.Available from American National Standards Institute (ANSI), 25
14、W. 43rd St.,4th Floor, New York, NY 10036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.mark on the side surface of the boot sole, or when noted, to theboot sole toe location (see Specification F 944).5.2.2 The location of the mark
15、 on the ski shall be deter-mined by the ski manufacturer in accordance with establishedtest procedures and results.5.3 Length of Binding Mounting Area (see Fig. 1)Thelength of the binding mounting area forwards and backwardsfrom the midsole mounting point shall be as follows:Group 1: 275 mmGroup 2:
16、240 mmGroup 3: 210 mmGroup 4: 190 mmor about the boot sole toe location shall be as follows:Forward RearwardGroup 1: 110 mm 440 mmGroup 2: 100 mm 380 mmGroup 3: 90 mm 330 mmGroup 4: 80 mm 300 mm5.4 Width of Binding Mounting Area (see Fig. 1)Theminimum width of the binding mounting area, symmetricala
17、bout the longitudinal axis of the ski, shall be as follows:Groups 1 and 2: 50 mmGroups 3 and 4: 48 mm5.5 Center-to-Center Distances for Binding MountingScrews:5.5.1 Maximum Center-to-Center Distance:5.5.1.1 The maximum center-to-center distance perpendicu-lar to the center line of the ski shall be s
18、uch that the screws arelocated entirely within the binding mounting area.5.5.1.2 If ski binding screws of nominal diameter 5.5 mmare used, the maximum center-to-center distance of the bindingmounting screws shall be as follows:Groups 1 and 2: 42.5 mmGroups 3 and 4: 40.5 mm5.5.2 Minimum Center-to-Cen
19、ter Distance:5.5.2.1 For screws that are used for mounting of parts of thebinding and retention devices, the center-to-center distanceshall not be less than as follows:Groups 1 and 2: 25 mm in the longitudinal direction;20 mm in all other directionsGroups 3 and 4: 20 mm in the longitudinal direction
20、;15 mm in all other directions5.6 Surface of the Binding Mounting Area:5.6.1 Transverse Profile (Convexity) of the Surface:5.6.1.1 Deviations of straightness of the transverse profilefrom a flat profile are only permissible in the form of a constantcurve across the width of the mounting area. The to
21、lerance onstraightness within this area is given in Fig. 2.5.6.1.2 There shall be no step in the profile within a width ofthe following, symmetrical to the longitudinal axis.Groups 1 and 2: 55 mmGroups 3 and 4: 50 mmOutside the binding mounting area, steps are allowed onlyinto the body of the ski.5.
22、6.2 Longitudinal Profile of the SurfaceDeviations fromstraightness of the longitudinal profile from a flat profile areonly permissible in the form of a constant convex curve in thelength of the mounting area. The tolerance on straightness inthis area, with the ski base pressed against a flat surface
23、, is (seeFig. 1) as follows:Groups 1 and 2: 5 mmGroups 3 and 4: 4 mm5.6.3 Side WallsSide walls shall be designed so thatbinding mounting with commonly used mounting devices isensured. The basic requirement is that the clamping elementsof the mounting device reach at least to the running surface ofth
24、e ski.5.7 Minimum Thickness of Binding Mounting AreaWithin the total binding mounting area, a drill hole of depth d8(see Fig. 3) shall be available as follows, so as to accommodatescrew penetrations of 8 6 0.5 mm and 6 mm 6 0.5 mm,respectively.Groups 1 and 2: 9.5 mmGroups 3 and 4: 7.5 mm6. Specifica
25、tions of the Binding6.1 The hole-pattern shall be in accordance with the geo-metrical requirements of 5.3-5.5.6.2 In order to ensure the required penetration depth, themanufacturer of the binding shall select a suitable length ofbinding screw so that after binding mounting the shaft of thescrew pene
26、trates the ski (see Fig. 3) to a depth of the following:Groups 1 and 2: d =8mm6 0.5 mmGroups 3 and 4: d =6mm6 0.5 mm6.3 To avoid damaging the top layers (causing damage tothe adhesive bond) the diameter of the mounting plate holes orcountersink facing the ski shall not exceed 7 mm. Thecountersink dr
27、ill shall be designed in such a way that itspenetration into the top surface of the ski does not exceed 0.6mm.7. Keywords7.1 alpine skis; mounting area; screw depth; ski bindings;ski profileNOTE 1Tolerance in millimetres.FIG. 1 Longitudinal ProfileF473092NOTE 1Tolerance in millimetres.FIG. 2 Transve
28、rse ProfileFIG. 3 Penetration Depth, d, and Drill Hole Depth, d*, of Mounting ScrewsF473093ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination
29、 of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdraw
30、n. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your co
31、mments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).F473094
