BS EN 1612-1-1997 Rubber and plastics machines D Reaction moulding machines Part 1. Safety requirements for metering and mixing units.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1612-1 : 1997 The E
2、uropean Standard EN 1612-1 : 1997 has the status of a British Standard ICS 83.200 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Rubber and plastics machines Reaction moulding machines Part 1. Safety requirements for metering and mixing units This British Standard, having bee
3、n prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 December 1997 BSI 1997 ISBN 0 580 28909 5 BS EN 1612-1 : 1997 Amendments issued since publication Amd. No.DateText affected National foreword This Brit
4、ish Standard is the English language version of EN 1612-1 : 1997. The UK participation in its preparation was entrusted to Technical Committee MCE/3/2, Rubber and plastics machines Safety, which has the responsibility to: aid enquirers to understand the text; present to the responsible European comm
5、ittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-refe
6、rences The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogu
7、e. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover. CEN European Committee for Standardization Comite Eu
8、rope en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1612-1 : 1997 E EUROPEAN STANDARDEN 1612-1 NORME EUROPE ENNE
9、EUROPA ISCHE NORM August 1997 ICS 83.200 Descriptors: Safety of machine, plastic-working machines, rubber-working machines, moulding equipment, determination of content, mixing, accident prevention, hazards, safety measures, verification, utilization, information English version Rubber and plastics
10、machines Reaction moulding machines Part 1: Safety requirements for metering and mixing units Machines pour le caoutchouc et les matie res plastiques Machines de moulage par re action Partie 1: Prescriptions de se curite relatives aux unite s de dosage et de me lange Gummi- und Kunststoffmaschinen R
11、eaktionsgiemaschinen Teil 1: Sicherheitsanforderungen an Misch- und Dosiereinheiten This European Standard was approved by CEN on 1997-07-11. 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 nat
12、ional 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 a
13、ny other 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, Czech Republic, Denmark, Finland, France, Germ
14、any, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Page 2 EN 1612-1 : 1997 BSI 1997 Foreword This European Standard has been prepared by Technical Committee CEN/TC 145, Rubber and plastics machines Safety, the secretariat o
15、f which is held by UNI. 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 February 1998, and conflicting national standards shall be withdrawn at the latest by February 1998. This European Standard
16、has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard. According to the CEN
17、/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden
18、, Switzerland and the United Kingdom. Contents Page Foreword2 Introduction3 1Scope3 2Normative references3 3Definitions3 4List of hazards3 5Safety requirements and/or measures4 6Verification of the safety requirements and/or measures5 7Information for use6 Annex ZA (informative) Clauses of this Euro
19、pean Standard addressing essential requirements or other provisions of EU Directives7 Page 3 EN 1612-1 : 1997 BSI 1997 Introduction This European Standard is a type C Standard as defined in EN 292. The extent to which hazards are covered is indicated in the scope of this standard. In addition, machi
20、nery shall comply as appropriate with EN 292 for hazards which are not covered by this standard. 1 Scope This standard specifies the health and safety requirements for the design of metering and mixing units for reaction moulding machines. The significant and specific hazards are listed in clause 4
21、and are dealt with in this standard. This standard does not cover completely the hazards arising from the use of highly flammable additives, for example pentane used as a blowing agent (see 4.7), because these hazards depend to a large extent on the additives and processes used. This standard does n
22、ot cover the hazards arising from the assembly of separate units not supplied at the same time by the same manufacturer. This standard does not cover the hazards arising from the movement of powered mixing heads; for these, see prEN 1612-2. This standard applies to metering and mixing units manufact
23、ured after the date of publication of this standard. 2 Normative references This standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at appropriate places in the text and the publications are listed hereafter. For dated referen
24、ces, 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 the publication referred to applies. EN 292-1 : 1991 Safety of Machinery Basic concepts, general
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