BS EN 381-3-1996 Protective clothing for users of hand-held chain saws - Test methods for footwear《手持式链锯使用者防护服 靴鞋试验方法》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 381-3 : 1996 The Eu

2、ropean Standard EN 381-3 : 1996 has the status of a British Standard ICS 13.340.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Protective clothing for users of hand-held chain saws Part 3. Test methods for footwearThis British Standard, having been prepared under the direc

3、tion of the Health and Environment Sector Board, was published under the authority of the Standards Board and comes into effect on 15 September 1996 BSI 1996 The following BSI references relate to the work on this standard: Committee reference PH/3 Draft for comment 90/44679 DC ISBN 0 580 25879 3 BS

4、 EN 381-3 : 1996 Amendments issued since publication Amd. No. Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committee PH/3, Protective clothing, to Subcommittee PH/3/5, Clothing, upon which the following bodies

5、 were represented: Arboricultural Association Association of Professional Foresters British Chainsaw Association British Clothing Industry Association Building Employers Confederation Consumer Policy Committee of BSI Forestry and Arboriculture Safety and Training Council Forestry Commission Garden M

6、achinery Association Health and Safety Executive Hire Association Europe National Association of Glove Manufacturers National Farmers Union Royal Society for the Prevention of Accidents Safety Equipment Distributors Association SATRA Footwear Technology Centre Timber Growers AssociationBS EN 381-3 :

7、 1996 BSI 1996 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 381-3 3ii BSI 1996 BS EN 381-3 : 1996 National foreword This British Standard has been prepared by Technical Subcommittee PH/3/5 and is the English language version of EN 381-3 : 1996

8、Protective clothing for users of hand-held chain saws Part 3: Test methods for footwear, published by the European Committee for Standardization (CEN). Cross-references Publication referred to Corresponding British Standard EN 344 : 1992 BS EN 344 : 1993 Requirements and test methods for safety, pro

9、tective and occupational footwear for professional use EN 381-1 : 1993 BS EN 381-1 : 1993 Protective clothing for users of hand-held chain saws Part 1 Test rig for testing resistance to cutting by a chain saw Compliance with a British Standard does not of itself confer immunity from legal obligation

10、s.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members R

11、ef. No. EN 381-3 : 1996 E EUROPEAN STANDARD EN 381-3 NORME EUROPE ENNE EUROPA ISCHE NORM February 1996 ICS 13.340.10 Descriptors: Personal protective equipment, work clothing, accident prevention, protective clothing, foot (anatomy), boots, chain saws, shock resistance, tests, specifications English

12、 version Protective clothing for users of hand-held chain saws Part 3: Test methods for footwear Ve tements de protection pour utilisateurs de scies a cha ne tenues a la main Partie 3: Me thodes dessai des chaussures Schutzkleidung fu r die Benutzer von handgefu hrten Kettensa gen Teil 3: Pru fverfa

13、hren fu r Schuhwerk This European Standard was approved by CEN on 1995-11-02. 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 national standard without any alteration. Up-to-date lists and bibl

14、iographical 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 other language made by translation under the responsibility o

15、f 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal,

16、 Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 381-3 : 1996 BSI 1996 Foreword This European Standard was prepared by Technical Committee CEN/TC 162, Protective clothing including hand and arm protection and lifejackets, the Secretariat of which is held by DIN. This European Standard shall

17、be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 1996, and conflicting national standards shall be withdrawn at the latest by August 1996. This European Standard has been prepared under a mandate given to CEN by the Eur

18、opean Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). In accordance with the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greec

19、e, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 0 Introduction 3 1 Scope 3 2 Normative references 3 3 Definitions 3 3.1 Footwear with integral protection 3 4 Test specimen 3 5 Checking of protective co

20、verage 3 5.1 Apparatus 3 5.2 Procedure 3 6 Testing of resistance to cutting 3 6.1 Apparatus 3 6.1.1 Test rig 3 6.1.2 Footwear mounting devices 3 6.1.2.1 Base 3 6.1.2.2 Artificial shinbone 4 6.1.3 Material for filling footwear 4 6.2 Test procedure 4 6.2.1 General 4 6.2.2 Cuts on vamp area 4 6.2.3 Cut

21、s on throat area 4 6.2.4 Cuts on leg region 4 6.2.5 Additional cuts for footwear with non-metallic toecaps 5 7 Test report 5 Annex A (informative) Relationship between this European Standard and the EC-Directive for Personal Protective Equipment 9Page 3 EN 381-3 : 1996 BSI 1996 1) prEN 190 and prEN

22、191 were submitted to Formal Vote respectively as prEN 344-2 and prEN 345-2. EN 344 will be renumbered into EN 344-1 further to their publication. 0 Introduction This European Standard forms part of a series concerned with personal protective equipment designed to protect against the risks arising f

23、rom the use of hand-held chain saws. No personal protective equipment can ensure 100 % protection against cutting from a hand-held chain saw. Nevertheless, experience has shown that it is possible to design personal protective equipment which offers a certain degree of protection. Different function

24、al principles may be applied in order to give protection. These include: chain slipping: on contact, the chain does not cut the material; clogging: fibres are drawn with the chain into the drive sprocket and block chain movement; chain braking: fibres have a high resistance to cutting and absorb rot

25、ational energy, thereby reducing the chain speed. Often more than one principle is applied. 1 Scope This Part of this European Standard specifies test methods to be used to assess the resistance of footwear to cutting by hand-held chain saws. Methods for other forms of foot and leg protection e.g. g

26、aiters against hand-held chain saws will be covered in other standards. This standard only covers footwear with integral protection. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at

27、the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of t

28、he publication referred to applies. prEN 190 1) Additional requirements and test methods for safety, protective and occupational footwear for professional use prEN 191 1) Additional specifications for safety footwear for professional use EN 344 : 1992 1) Requirements and test methods for safety, pro

29、tective and occupational footwear for professional use EN 381-1 : 1993 Protective clothing for users of hand-held chain saws Part 1: Test rig for testing resistance to cutting by a chain saw ISO 3386-1 : 1986 Polymeric materials, cellular flexible Determination of stress-strain characteristics in co

30、mpression Part 1: Low-density materials 3 Definitions For the purposes of this standard the following definition applies: 3.1 footwear with integral protection Footwear in which the chain saw protective material either comprises the material of the footwear or is permanently attached to the footwear

31、. 4 Test specimen For footwear with metallic toe-caps : Three pairs, size 42 (Paris points), size 8 (UK). For footwear with non-metallic toe-caps : Four pairs, size 42 (Paris points), size 8 (UK). 5 Checking of protective coverage 5.1 Apparatus Sizing body for laced footwear : A cylindrical conical

32、cylindrical body with total height minimum 500 mm and Ankle cylinder : height (76 1) mm : diameter (84 1) mm. Conical section : height (274 1) mm. Upper cylinder : height minimum 150 mm : diameter (110 1) mm. (See figure 1.) 5.2 Procedure Insert the sizing body for laced footwear into the leg of the

33、 footwear and tighten any fastenings (e.g. laces or straps) about it. Check that the coverage requirements given in prEN 190 and prEN 191 are fulfilled. 6 Testing of resistance to cutting 6.1 Apparatus 6.1.1 Test rig The test rig is described in EN 381-1 with additional elements to fulfil 6.2. 6.1.2

34、 Footwear mounting devices 6.1.2.1 Base A base for mounting the footwear, capable of holding the footwear in the required positions. The base may have holes (for bolts) or devices for fixing the footwear. Such devices shall not interfere with the chain saw protective material of the footwear.Page 4

35、EN 381-3 : 1996 BSI 1996 6.1.2.2 Artificial shinbone Artificial shinbone (see figure 2). Material: Hardwood or similar covered with a (14 2) mm thick layer of flexible cellular material of copolymer foam of ethylene vinyl acetate with specific density (50 2) kg/m 3 and a compression stress value at

36、40 % compression (CV 40) of (75 10) kPa as tested in accordance with ISO 3386-1 : 1986. Length at least 700 mm, circular cross section diameter (50 1) mm plus the thickness of the cellular material. 6.1.3 Material for filling footwear Dried peas of diameter approximately 7 mm. Bag containing (2 0,1)

37、 kg of lead shot or similar. 6.2 Test procedure 6.2.1 General Calibration procedures are as in EN 381-1. After calibration the following changes are introduced. a) The chain saw unit is arranged as in Part 1, but the load shall be 30 N 0,5 N instead of 15 N (5.3.5 in EN 381-1 : 1993). b) The horizon

38、tal distance from the point of contact to the centre of the sprocket shall be (300 2) mm (see figure 3 in EN 381-1 : 1993). Test cuts are performed on both right and left footwear at the positions shown in figure 3, i.e: on the left side of the vamp (position 1) at the throat (position 2) at the leg

39、 front (position 3) on the toecap (position 4) (footwear with non- metallic toe-caps) Where possible, avoid cutting into any fastenings which may be fitted to the footwear as this could lead to anomalous results. Should this not be possible, such cutting should be recorded in the test report. A tota

40、l of six cuts, or eight cuts for footwear with non-metallic toecaps, should be made for each complete test, with no more than one cut being made on any one sample. Test cuts according to this standard may be carried out with the following chain speeds: Class 0 : 16 m/s NOTE. Class 0 is valid until 1

41、999-12-31. Class 1 : 20 m/s Class 2 : 24 m/s Class 3 : 28 m/s After each test the specimen is checked for cut through and the result is reported. 6.2.2 Cuts on vamp area The footwear is first securely fixed to the base in such a way that: a) the sole of the footwear is in contact with the base in bo

42、th the heel and the forepart without changing the natural shape of the footwear; b) the test axis, as defined in EN 344 : 1992, 5.3.2.1, coincides with that of the base. The base is then tilted at 30 2 to the horizontal in such a manner that the right side of the footwear is lowermost and nearest th

43、e pivot of the test rig, and the test axis of the footwear is at an angle of 90 3 to the guide bar (see figure 4). Sufficient dried peas are poured into the footwear to completely fill the foot section and at least half of the leg. The peas are kept in place with the bag of lead shot described in 6.

44、1.3. Test cuts are performed in the positions indicated in figure 3, Position 1 (i.e. on the left side of the footwear (15 5) mm to the rear of the toecaps. 6.2.3 Cuts on throat area The footwear is securely fixed to the base as in 6.2.2. The base is then tilted 45 2 to the horizontal in such a mann

45、er that the heel of the footwear is lowermost, and the test axis of the footwear is vertical and at an angle of 90 3 to the guide bar of the test rig. The right side of the footwear shall be nearest to the pivot (see figure 5). Test cuts are performed in the position marked in figure 3, position 2.

46、6.2.4 Cuts on leg region If the leg of the footwear is fitted with any fastening devices (e.g. laces or straps), fasten these around sizing body for laced footwear (see 5.1). Remove sizing body for laced footwear from the footwear. If necessary cut away the heel and as little as possible of the quar

47、ter region of the footwear taking care not to damage nor interfere with any of the chain saw protective material. If the protective material is damaged or interfered with, report this. Mount the leg of the footwear over the artificial shinbone taking care that any damage caused to the footwear does

48、not interfere with the chain saw protective material. If such damage does occur, report this. Securely fasten the footwear to the artificial shinbone. The fastening should be on the left side of the footwear. An example of a suitable fastening system is shown in figure 6, but alternative systems are

49、 also allowed. A line loading of (50 1) N/m shall be applied. The artificial shinbone is then positioned so that the front of the leg of the footwear is uppermost, and the central plane of the footwear is vertical and at an angle of 90 2 to the guide bar of the test rig. The left side of the footwear shall be opposite to the pivot (see figure 6). Carry out the test cut at a distance of (150 30) mm from the upper surface of the insock of the middle of the heel and at an angl