DIN ISO 8061-2016 Alpine ski-bindings - Selection of release torque values (ISO 8061 2015)《高山雪橇扣拴 释放扭矩值的选择(ISO 8061-2015)》.pdf

1、May 2016 English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 97.220.20!%SMD“2484233www.din.deDIN I

2、SO 8061Alpine ski-bindings Selection of release torque values (ISO 8061:2015),English translation of DIN ISO 8061:2016-05Skibindungen fr den alpinen Skilauf Auswahl von Auslsedrehmomentwerten (ISO 8061:2015),Englische bersetzung von DIN ISO 8061:2016-05Fixations de skis alpins Slection des valeurs d

3、u couple de dclenchement (ISO 8061:2015),Traduction anglaise de DIN ISO 8061:2016-05Together with DIN 11088:2016-05,supersedesDIN ISO 8061:2007-04See start of applicationwww.beuth.deDocument comprises 10 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be

4、considered authoritative.04.16 A comma is used as the decimal marker. Start of application The start of application of this standard is2016-05-01. For DIN ISO 8061:2007-04 there is a transition period ending on 2016-10-31. National foreword 3Introduction 51 Scope . 62 Symbols 63 Release force .74 We

5、ight method .74.1 Calculation of release torques 74.2 Release torques corresponding to users maximum recommended mass 84.3 Correction of the release torque 8Annex A (normative) Definition of skier type . 10Contents PageNational Annex (infomative) Bibliography .4DIN ISO 8061:2016-052 National forewor

6、d This standard includes safety requirements within the meaning of the Produktsicherheitsgesetz (ProdSG) (German Product Safety Act). This document (ISO 8061:2015) has been prepared by Technical Committee ISO/TC 83 “Sports and other recreational facilities and equipment”, Subcommittee SC 4 “Snowspor

7、ts equipment” (Secretariat: ASI, Austria). The responsible German body involved in its preparation was DIN-Normenausschuss Sport- und Freizeitgert (DIN Standards Committee Sports Equipment), Working Committee NA 112-03-01 AA Ski- und Snowboardsportgerte. Where this standard has been identified by th

8、e Ausschuss fr Produktsicherheit (German Committee for Product Safety) and reference to it has been published in the Gemeinsames Ministerialblatt (German Joint Ministerial Gazette) by the Bundesanstalt fr Arbeitsschutz und Arbeitsmedizin (BAuA) (German Federal Institute for Occupational Safety and H

9、ealth), it is to be presumed that alpine ski-bindings which comply with this standard fulfil the relevant health and safety requirements. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN and/or DKE shall not be held responsible

10、 for identifying any or all such patent rights. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 9462 DIN ISO 9462 ISO 9465 DIN ISO 9465 According to current practice in Germany, release torque values may also be selected according to th

11、e tibia method specified in DIN 11088:2016-05, in addition to the weight method specified in the present standard. Amendments This standard differs from DIN ISO 8061:2007-04 as follows: a) the previous Annex B “Tibia method” is now covered in DIN 11088:2016-05; b) the standard has been editorially r

12、evised. Previous editions DIN ISO 8061: 1992-04, 2007-04 DIN ISO 8061:2016-053 National Annex NA (informative) Bibliography DIN 11088, Alpine ski bindings Selection of torque values with the tibia-width method DIN ISO 9462, Alpine ski-bindings Requirements and test methods DIN ISO 9465, Alpine ski-b

13、indings Lateral release under impact loading Test method DIN ISO 8061:2016-054 IntroductionThis International Standard is one of a series of International Standards dealing with the safety of ski bindings; the other International Standards of this series are ISO 9462 and ISO 9465.National standards,

14、 complying with legal regulations, may be more extensive regarding, for example, the following: combined loading; deflexion of the ski.International Standards covering these aspects are being prepared.To verify the safety of ski-bindings, it is necessary to use all three International Standards of t

15、he series and also national standards covering aspects which are not yet standardized internationally.DIN ISO 8061:2016-055 Alpine ski-bindings Selection of release torque values1 ScopeThis International Standard specifies methods for the selection of the release torques for alpine ski-bindings. It

16、gives information necessary to determine the release torques; these are to be recommended for use by ski-binding manufacturers in their instructions for installation and use, and by ski shops for the adjustment of already mounted ski-bindings.It applies to alpine ski-bindings in current use.It might

17、 be inappropriate for non-mechanical bindings or bindings used with boots which reach more than half-way up the lower leg.Manufacturers may use either of the two specified methods, or a combination of the two, as the basis for their recommended release torques.The methods apply to torque-measuring b

18、inding test machines. If force-measuring test machines are used, it is necessary to report the release force, calculated as shown in Clause 3.In recommending the release torques, it is necessary to take into account the abilities of the skier concerned by applying skier-type correction factors. For

19、this purpose, three types of skier are defined, as described in Annex A.2 SymbolsSee Figure 1.sxyzFg1054, Mg1054Fg1053, Mg1053Fg1052, Mg10520sFigure 1 SymbolsAll imaginable loads on the ski boot can be referred to as force F acting along the x, y, or z axes of a system of coordinates, and a moment o

20、f rotation M about that axis.The origin of the system of coordinates is fixed at approximately the bottom of the boot sole.The torques and forces shown in Figure 1 are positive. Torques and forces in the opposite directions are negative.DIN ISO 8061:2016-056 3 Release forceThe release force, Fr, in

21、newtons, is given by Formula (1):FMlr= (1)whereM is the release torque, in newton metres;l is the lever arm, in metres (i.e. the distance from the point of force application by the test ma-chine to the point about which the boot or plate pivots).The value of l should be determined empirically by mea

22、suring Frfor several values of M.4 Weight method4.1 Calculation of release torques4.1.1 A range of release torques based on the mass of the skier can be calculated from the formulae given in 4.1.2 to 4.1.4 for both twist release, Mz, and forward lean release, My.Ski-binding manufacturers shall not r

23、ecommend release torques higher than the upper limit of this range; they may recommend torques below the lower limit. Manufacturers may provide additional information to guide the fitter and user in the selection of such values.4.1.2 The upper limit for Mz, in newton metres, is given by Formula (2)

24、and Formula (3):a) if the mass of the skier is less than 70 kg:Msmzs,mNm=+084422(2)b) if the mass of the skier is equal to or greater than 70 kg:Msmzs,mNm=+0691522(3)wheremsis the mass of the skier, in kilograms.4.1.3 The lower value for Mz, in newton metres, is given by Formula (4) and Formula (5):

25、a) if the mass of the skier is less than 75 kg:Msmzs,m=07122(4)DIN ISO 8061:2016-057 b) if the mass of the skier is equal to or greater than 75 kg:Msmzs,mNm=+059922(5)wheremsis the mass of the skier, in kilograms.4.1.4 The release torque My, in newton metres, is given by Formula (6):MM Myz z, Nm=+()

26、36 0006 5 (6)4.2 Release torques corresponding to users maximum recommended massIf the actual mass of the skier is greater than the maximum recommended mass for his height, h, then the release torque values shall be calculated using the maximum recommended mass, mT, max, which is given by Formula (7

27、):mhT, max=()100 1 (7)for h 1,50 m, where h is the height of the skier, in metres.4.3 Correction of the release torque4.3.1 The recommended release torque values shall be corrected for skier-type (see Annex A) and age (see 4.3.2 and 4.3.3, respectively).The result may be eventually lowered or raised

28、 upon request of the skier (see 4.3.4 and 4.3.5).4.3.2 The skier-type correction factor should be as follows: for skier type 1: 15 % for Mzand My; for skier type 2: 0; for skier type 3: +15 % for Mzand My.4.3.3 The age correction is determined as follows: skiers under 10 years: 15 % for Mzand My; sk

29、iers in the age of 50 years and older: 15 % for Mzand My.4.3.4 Release torque values other than recommended above may be used in the following cases.a) Skiers who have satisfactory experience with lower settings regarding these recommendations may request settings based on their experience.b) Skiers

30、 who have skiing experience without inadvertent releases may request a setting up to 15 % lower than recommended above.c) Skiers having certain characteristics like neutral skiing technique, defensive attitude, high degree of control, etc. may request a setting up to 15 % lower than recommended abov

31、e.DIN ISO 8061:2016-058 d) Skiers who have experienced inadvertent releases may request a setting up to 15 % higher than recommended above.4.3.5 Skiers may request settings that are different for twist and forward lean.4.3.6 If the skiers style requires greater corrections than indicated above, the

32、skier may change the setting at his own risk.DIN ISO 8061:2016-059 Annex A (normative) Definition of skier typeA.1 Skier typesA.1.1 It is the responsibility of the skier to determine his skier-type classification as used in Table A.1.A.1.2 Skiers are classified by type of skiing into three categorie

33、s, 1, 2, and 3. The definitions are as follows. Type 1: cautious skiing on smooth slopes of gentle to moderate pitch. This type also applies to entry level skiers uncertain of their classification. Skiers who designate themselves as type 1 receive lower than average release/retention settings. This

34、corresponds to an increased risk of inadvertent binding release, in order to gain increased capacity for release in a fall. Type 2: skiers not classified in type 1 or 3. Type 3: fast, aggressive skiing on slopes of moderate to steep pitch. Skiers who designate themselves as type 3 receive higher tha

35、n average release/retention settings. This corresponds to decreased capacity for release in a fall, in order to gain a decreased risk of inadvertent binding release.These designations, 1, 2, and 3 should not be used by equipment manufacturers to categorize their products.A.1.3 The information given

36、in Table A.1 is an example of the kind of layout which may be used to assist the skier in determining his skier-type classification.Table A.1 Determination of skier type classificationType 1 2 3Speed Slow to moderateSkiers that do not meet all the de-scriptions of either 1 or 3FastTerrain Gentle to

37、moderate SteepStyleCautious (or smooth)AggressiveA.1.4 The information given in A.2.1 and A.2.2 can be used to assist the skier in determining the appropriate skier-type classification and to make him aware of the risks related to each classification.A.2 Discretionary settingsA.2.1 Skiers 10 years o

38、f age and older of any type who desire a higher or lower setting than the setting of their skier type according to 4.3.4 a), 4.3.4 b), 4.3.4 c), or 4.3.4 d) may designate their preference with a + or next to their skier type designation.A.2.2 The use of these definitions in determining the release setting may be inappropriate for some types of competition skiing.DIN ISO 8061:2016-0510