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1、BRITISH STANDARD BS EN957-4:2006Stationary training equipment Part 4: Strength training benches, additional specific safety requirements and test methodsThe European Standard EN 957-4:2006 has the status of aBritish StandardICS 97.220.30 BS EN 957-4:2006National forewordThis British Standard is the
2、official English language version ofEN 957-4:2006. It supersedes BS EN 957-4:1997 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee SW/136, Sports, playground and other recreational equipment, to Subcommittee SW/136/4, Stationary training equipment, whic
3、h has the responsibility to:aid enquirers to understand the text;present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed;monitor related international and European developments and promulgate them in the
4、 UK.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “Internation
5、al Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British St
6、andard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amd. No.Date
7、CommentsThis British Standard was published under the authority of the Standards Policy and Strategy Committeeon 31 July 2006 BSI 2006ISBN 0 580 48923 XAmendments issued since publicationEUROPEAN STANDARD NORME EUROPENNEEUROPISCHE NORMEN 957-4June 2006ICS 97.220.30Supersedes EN 957-4:1996English Ver
8、sionStationary training equipment - Part 4: Strength training benches, additional specific safety requirements and test methodsAppareils dentranement fixes - Partie 4 : Bancs pour haltres, exigences spcifiques de scurit et mthodes dessai supplmentairesStationre Trainingsgerte - Teil 4: Kraft-Trainin
9、gsbnke, zustzliche besondere sicherheitstechnische Anforderungen und PrfverfahrenThis European Standard was approved by CEN on 22 May 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a nation
10、al standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any o
11、ther language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland,
12、France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T EUR O P EN DE NOR M A L I S A TI ON EUR
13、O P I S C H ES KOM I TEE F R NOR M UNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 957-4:2006: EEN 957-4:2006 (E)ContentsPageForeword. 3Introduction . 41Scope . 52Normat
14、ive references . 53Terms and definitions . 54Classification. 55Safety requirements . 56Test methods. 77Additional instructions for use. 98Marking . 99ForewordThis document (EN 957-4:2006) has been prepared by Technical Committee CEN/TC 136 “Sports, playground and other recreational equipment”, the s
15、ecretariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006.This document
16、 supersedes EN 957-4:1996.This standard EN 957 Stationary training equipment consists of the following parts:Part 1: General safety requirements and test methodsPart 2: Strength training equipment, additional specific safety requirements and test methodsPart 4: Strength training benches, additional
17、specific safety requirements and test methodsPart 5: Pedal crank training equipment, additional specific safety requirements and test methodsPart 6: Treadmills, additional specific safety requirements and test methodsPart 7: Rowing machines, additional specific safety requirements and test methodsPa
18、rt 8: Steppers, stairclimbers and climbers - Additional specific safety requirements and test methodsPart 9: Elliptical trainers, additional specific safety requirements and test methodsPart 10: Exercise bicycles with a fixed wheel or without freewheel, additional specific safety requirements and te
19、st methodsThe design of strength training benches need not comply with the figures in this part of EN 957.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following coun- tries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czec
20、h Republic, Denmark, Esto- nia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.IntroductionThis part of EN 957 concerns the saf
21、ety of strength training benches.It amends and supplements EN 957-1. The requirements of this specific standard take priority over those in the general standard.1ScopeThis part of EN 957 specifies safety requirements for stationary strength training benches and free-standing barbell racks used to pe
22、rform exercises during use in addition to the general safety requirements of EN 957-1 and should be read in conjunction with it.This part of EN 957 is applicable to stationary training equipment type benches (type 4) (hereinafter referred to as benches) with the classes S, H and I.2Normative referen
23、cesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 957-1:2005, Stationary training equipment Pa
24、rt 1: General safety requirements and test methodsEN 957-2:2003, Stationary training equipment Part 2: Strength training equipment, additional specific safety re- quirements and test methods3Terms and definitionsFor the purposes of this document the terms and definitions given in EN 957-1:2005 apply
25、.4ClassificationClause 4 of EN 957-1:2005 applies.5Safety requirements5.1GeneralDepending on the design of the piece of training equipment the following requirements shall apply as appropriate.5.2Benches with fixed barbell supports5.2.1Rotational stability of the barbellOverturning of the barbell by
26、 an unequal load shall be prevented either by the distance between the supports or safety device.Test in accordance with 6.2.5.2.2Rotational stability of benches with fixed barbell supportsBenches with fixed barbell supports shall be stable when loaded with unequal load at right angles to the longit
27、udi- nal axis.Test in accordance with 6.3.5.2.3Longitudinal stabilityBenches with fixed barbell supports shall be stable in the longitudinal direction. Test in accordance with 6.4.5.3Free-standing barbell supports in conjunction with benchesFree-standing barbell supports in conjunction with benches
28、shall have a device for connecting to the ground. Test in accordance with 6.1.2.5.4Dimensions of the barbell supportThe front part of the support (yoke), when measured with a 30 mm diameter bar, shall have a vertical height of20 mm to 40 mm (a) above the lowest point of the resting bar and the rear
29、part shall be at least 80 mm higher than the top of the front of the support (yoke) (see Figure 1).Dimensions in millimetresKeya) Vertical height of the barbell support, 20 mm to 40 mmFigure 1 Dimensions of the barbell supportTest in accordance with 6.1.1.5.5Barbell support strengthThe rear part of
30、the barbell support shall absorb the loads of normal use without impairment of the performance and without breakage.Test in accordance with 6.5.5.6LoadingLoading for benches types H, S and I shall comply with 5.2 of EN 957-2:2003.5.7Barbell supportAny part of the equipment intended to support free w
31、eights, shall be easily accessible to the user while accepting or replacing the barbell.Test in accordance with 6.1.4.6Test methods6.1General6.1.1Dimensional check6.1.2Visual examination6.1.3Tactile examination6.1.4Performance test6.2Testing of rotational stability of the barbellPlace a solid steel
32、bar (1 600 50) mm long and a diameter of 30 mm max.) centrally on the barbell supports. Then place one weight disk (10 kg for class H, 20 kg for class S) on one side of the steel bar with mid-plane of the disk positioned 200 mm from the end of the steel bar, see Figure 2. If the bench is designed fo
33、r use with an Olym- pic size steel bar use instead of the (1 600 50) mm steel bar an Olympic steel bar of (2 200 50) mm and follow the procedure above.Dimensions in millimetresFigure 2 Stability test under unequal load6.3Testing of rotational stability of benches with fixed barbell supportsTest as s
34、pecified in 6.2, but with the barbell fixed.6.4Testing of longitudinal stabilityPosition the bench on a 10 slope (see Figure 3) and place a barbell loaded in accordance with the manufacturers maximum load, but with a minimum of 50 kg, on the barbell support in the highest position.Figure 3 Stability
35、 test in longitudinal direction6.5Testing of barbell support strengthHit the back part of the yoke in a distance of (40 10) mm from the top of that part with the pendulum (see detailFigure 4).Dimensions in millimetresKeya)Test pendulum with maximum weight load as specified by the manufacturer but a
36、minimum of 40 kg for class H and 50 kg for classes S and Ib)Variable lengthc)100 kg surface load distributed evenly over the bench1GroundFigure 4 Load test of the barbell supportRepeat the test procedure (see Figure 4) 10 times.6.6Test reportThe test report shall include at least the following infor
37、mation:a)name and address of testing laboratory and location where the test was carried out when different from the address of the test laboratory;b)unique identification of report (such as serial number) and of each page, and total number of pages of the report;c)name and address of client;d)descri
38、ption and identification of the test item;e)date of receipt of test item and date(s) of performance of test;f)identification of the test specification or description of the method or procedure;g)description of sampling procedure, where relevant;h)any deviations, additions or exclusions from the test
39、 specification, and any other information relevant to a spe- cific test;i)measurements, examinations and derived results, supported by tables, graphs, sketches and photographs as appropriate, and any failures identified;j)statement on measurement uncertainty (where relevant);k)signature and title or
40、 an equivalent marking of person(s) accepting technical responsibility for the test report and date of issue;l)statement to the effect that the test results relate only to the items tested.7Additional instructions for useIn addition to the instructions for use in EN 957-1 the manufacturer shall provide instructions for the safe use of free-standing barbell support.8MarkingThe maximum users body weight and the maximum lifting load shall be indicated on each barbell support.BS EN957-4:2006
