BS EN 1371-1-1997 铸造 液体渗透检验 第1部分:砂铸、重力压模铸和低压模铸法.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1371-1 : 1997 The E
2、uropean Standard EN 1371-1 : 1997 has the status of a British Standard ICS 77.040.20; 77.140.80; 77.150.99 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Founding Liquid penetrant inspection Part 1. Sand, gravity die and low pressure die castings This British Standard, having
3、 been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 November 1997 BSI 1997 ISBN 0 580 28601 0 BS EN 1371-1 : 1997 Amendments issued since publication Amd. No.DateText affected National foreword This
4、British Standard is the English language version of EN 1371-1 : 1997. It supersedes BS 4080 : Part 2 : 1989 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee ISE/NFE/9, Foundry Technology, which has the responsibility to: aid enquirers to understand the
5、 text; present to the responsible international/European committee 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 comm
6、ittee can be obtained on request to its secretary. Cross-references 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 usi
7、ng the Find facility of the BSI Standards Electronic Catalogue. 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 26, an inside back cover and a ba
8、ck cover. 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 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN
9、 1371-1 : 1997 E EUROPEAN STANDARDEN 1371-1 NORME EUROPE ENNE EUROPA ISCHE NORM June 1997 ICS 77.140.80; 77.150.99 Descriptors: Foundry engineering, castings, steels, cast iron, surface condition, inspection, nondestructive tests, liquid penetrant tests, surface defects, acceptability English versio
10、n Founding Liquid penetrant inspection Part 1: Sand, gravity die and low pressure die castings Fonderie Contro le par ressuage Partie 1: Pie ces moule es au sable, en coquille, par gravite et basse pression Gieereiwesen Eindringpru fung Teil 1: Sand- , Schwerkraftkokillen- und Niederdruckkokillengus
11、tu cke This European Standard was approved by CEN on 1997-06-02. 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 bibliographical r
12、eferences 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 of a CEN membe
13、r 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, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portug
14、al, Spain, Sweden, Switzerland and United Kingdom. Page 2 EN 1371-1 : 1997 BSI 1997 Foreword This European Standard has been prepared by Technical Committee CEN/TC 190, Foundry technology, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standar
15、d, either by publication of an identical text or by endorsement, at the latest by December 1997, and conflicting national standards shall be withdrawn at the latest by December 1997. Within its programme of work, Technical Committee CEN/TC 190 requested CEN/TC 190/WG 4.20, Surface inspection, to pre
16、pare the following standard: EN 1371-1Founding Liquid penetrant inspection Part 1: Sand, gravity die and low pressure die castings This is one of two European Standards for liquid penetrant inspection. The other standard is: prEN 1371-2 Founding Liquid penetrant inspection Part 2: Investment casting
17、s According to the CEN/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, P
18、ortugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword2 Introduction3 1Scope3 2Normative references3 3Conditions for liquid penetrant inspection3 4Method of inspection3 4.1Operating mode3 4.2Qualification of the operators3 4.3Surface preparation3 4.4Conditions of inspecti
19、on4 5Acceptance criteria4 5.1Indications of discontinuities4 5.2Definition of liquid penetrant inspection indications4 5.3Severity levels4 6Classification of the indications and interpretation of results5 7Ordering5 8Retesting5 9Post-examination cleaning procedures5 10Inspection documentation5 Table
20、s 1Nature of discontinuities and types of corresponding liquid penetrant inspection indications6 2Severity levels for liquid penetrant inspection Non-linear indications isolated (SP) or clustered (CP)6 3Severity levels for liquid penetrant inspection Linear (LP) and aligned (AP) indications7 4Recomm
21、ended surface finish for liquid penetrant inspection8 Annexes A(informative) Bibliography9 B(informative) Reference figures Non-linear isolated indications designated SP9 C(informative) Reference figures Non-linear indications designated SP and CP14 D(informative) Reference figures Linear and aligne
22、d indications designated LP and AP17 E(informative) Model of a liquid penetrant inspection document24 ? Page 3 EN 1371-1 : 1997 BSI 1997 Introduction This European Standard complements the general principles of liquid penetrant inspection given in EN 571 for the additional requirements of the foundr
23、y industry. Liquid penetrant inspection, as well as any other non destructive examination method, is part of a general or specific assessment of the quality of a casting to be agreed between the manufacturer and the purchaser at the time of acceptance of the order. Penetrant testing examination of c
24、astings is standardized in two parts: EN 1371-1: Sand, gravity die and low pressure die castings prEN 1371-2: Investment castings 1 Scope This European Standard applies to the liquid penetrant testing of all castings (except copper-tin and/or copper-tin-lead alloy castings, where copper is the major
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- BS EN 1371-1-1997 铸造 液体渗透检验 第1部分:砂铸、重力压模铸和低压模铸法 1371 1997 液体 渗透 检验 部分 砂铸 重力 压模铸 低压 模铸法
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