BS EN 12543-4-1999 Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Edge method《无损检验 无损检验用工业X射线系统的焦点特性 边缘法》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12543-4:1999 The Eu

2、ropean Standard EN 12543-4:1999 has the status of a British Standard ICS 19.100 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Non-destructive testing Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing Part 4: Edge methodThis British

3、 Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 December 1999 BSI 12-1999 ISBN 0 580 35170 X BS EN 12543-4:1999 Amendments issued since publication Amd. No. Date Comments

4、 National foreword This British Standard is the English language version of EN 12543-4:1999. The UK participation in its preparation was entrusted to Technical Committee WEE/46, Non-destructive testing, which has the responsibility to: aid enquirers to understand the text; present to the responsible

5、 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 committee can be obtained on request to its secreta

6、ry. 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 using the “Find” facility of the BSI Standards E

7、lectronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages Thi

8、s 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.(8523($167$1$5 1250(8523e(11( (8523b,6UDVVWHPVIRUXVHLQQRQGHVWUXFWLYHWHVWLQJ 3DUW(GJHPHWKRG (VVD

9、LVQRQGHVWUXFWLIVUDWXEHV 3DJH (1 %6, ,QWURGXFWLRQ ,QRUGHUWRFRYHUWKHGLIIHUHQWUHTXLUHPHQWVIRUIRFDOVSRWVLHPHDVXUHPHQWILYHGLIIHUHQWPHWKRGVDUH GHVFULEHGLQ(1WR(1 7KHVFDQQLQJPHWKRG(1LVGHGLFDWHGWRWKRVHDSSOLFDWLRQVZKHUHTXDQWLWDWLYHYDOXHVIRUWKH LQWHQVLWGLVWULEXWLRQDQGVSRWVLHDUHQHHGHGLHFDOLEUDWLRQDQGLPDJHSURFHV

10、VLQJSXUSRVHV 7KHUDGLRJUDSKLFPHWKRGV(1DQG(1GHVFULEHWKHWUDGLWLRQDOWHFKQLTXHVDQGDUHGHGLFDWHG IRUFHUWLILFDWLRQSXUSRVHVDQGIRUILHOGDSSOLFDWLRQVXSWRN9 :KHUHQRSLQKROHRUVOLWFDPHUDVDUHDYDLODEOHLQWKHILHOGWKHHGJHPHWKRG(1PDEHDSSOLHG,W UHSUHVHQWVDYHUVLPSOHPHWKRGIRUILHOGDSSOLFDWLRQ ,QRUGHUWRFRYHUDOVRWKHPLFURIRFXVV

11、VWHPVDVSHFLILFPHWKRGLVSUHVHQWHGLQ(1 6 F R S H 7KLV(XURSHDQ6WDQGDUGVSHFLILHVWKHFKHFNLQJRIIRFDOVSRWGLPHQVLRQVDERYHPPRI;UDVVWHPVXSWR DQGLQFOXGLQJN9WXEHYROWDJHEPHDQVRIUDGLRJUDSKVRIVKDUSHGJHV 7KHLPDJHTXDOLWDQGWKHUHVROXWLRQRI;UDLPDJHVGHSHQGKLJKORQWKHFKDUDFWHULVWLFVRIWKHIRFDOVSRW7KH LPDJLQJTXDOLWLHVRIDIRFD

12、OVSRWDUHEDVHGRQWKHWZRGLPHQVLRQDOLQWHQVLWGLVWULEXWLRQLQWKHREMHFWSODQH 7KHHGJHPHWKRGLVHVSHFLDOOXVHIXOIRUWKHFKHFNLQJRIIRFDOVSRWVXQGHUILHOGFRQGLWLRQVLQRUGHUWRILQG FKDQJHVRIWKHIRFDOVSRW,WFDQQRWEHXVHGIRUDQDEVROXWHPHDVXUHPHQWRIWKHIRFDOVSRW)RUDEVROXWH PHDVXUHPHQWVWKHPHWKRGDFFRUGLQJWRDQQH$LVDSSOLHG 1RUPDWLYH

13、5HIHUHQFHV 7KLV(XURSHDQ6WDQGDUGLQFRUSRUDWHVEGDWHGRUXQGDWHGUHIHUHQFHSURYLVLRQVIURPRWKHUSXEOLFDWLRQV7KHVH QRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKHWHWDQGWKHSXEOLFDWLRQVDUHOLVWHGKHUHDIWHU)RU GDWHGUHIHUHQFHVVXEVHTXHQWDPHQGPHQWVWRRUUHYLVLRQVRIDQRIWKHVHSXEOLFDWLRQVDSSOWRWKLV(XURSHDQ 6WDQGDUGR

14、QOZKHQLQFRUSRUDWHGLQLWEDPHQGPHQWRUUHYLVLRQ)RUXQGDWHGUHIHUHQFHVWKHODWHVWHGLWLRQRI WKHSXEOLFDWLRQUHIHUUHGWRDSSOLHV (1 1RQGHVWUXFWLYHWHVWLQJUDVVWHPVIRUXVHLQQRQ GHVWUXFWLYHWHVWLQJ3DUW6FDQQLQJPHWKRG (1 1RQGHVWUXFWLYHWHVWLQJ,QGXVWULDOUDGLRJUDSKLFILOP3DUWUDHPLWWLQJDUHDRQWKHDQRGHRIWKH;UDWXEHDVVHHQIURPWKHPHD

15、VXULQJGHYLFH (1 7 H V W P H W K R G 3ULQFLSOHDQGHTXLSPHQW 7KLVPHWKRGLVEDVHGRQLQGLUHFWPHDVXUHPHQWRIWKHIRFDOVSRWVLHEPHDVXULQJWKHJHRPHWULFXQVKDUSQHVV )RUWKLVSXUSRVHDVKDUSHGJHLVLPDJHGRQDILOPXVLQJDUHODWLYHOKLJKJHRPHWULFPDJQLILFDWLRQ3DJH (1 %6, 7KHIROORZLQJHTXLSPHQWLVUHTXLUHGIRUWKHPHDVXUHPHQW ILOPVZLWKDPL

16、QLPXPOHQJWKRIFPZLWKRXWVFUHHQV ILOPFDVVHWWHVPDGHRIWKLQSODVWLFPDWHULDORUDOXPLQLXP OHDGOHWWHUV/DQG: DFROOLPDWLQJGLDSKUDJPLQIURQWRIWKHWXEHZLQGRZFRPSDWLEOHZLWKWKHVLHRIWKHILOP DVWHHOFOLQGHURUDWKLFNZDOOHGSLSHRIPPWRPPGLDPHWHUDQGDERXWPPOHQJWK DVXSSRUWWULSRGWRFDUUWKHVWHHOFOLQGHU DVKHHWRIOHDGDSSURLPDWHOPPPPPPW

17、KLFNRUWKLFNHU DILOPSURFHVVVLQJXQLW DQLOOXPLQDWRUZLWKDXQLIRUPDQGFRQVWDQWEULJKWQHVVDFFRUGLQJWR(1 DQRSWLFDOGHQVLWRPHWHUFDSDEOHRIUHDGLQJGHQVLWLHVRI 7KHGHQVLWRPHWHUVKDOOSHUPLWFRQWUDVW PHDVXUHPHQWVRI ,WVLQSXWGLDSKUDJP G L VKDOOEHPPRUVPDOOHU $FOLQGULFDOVXUIDFHLVSODFHGDVDQHGJHLQWKHEHDPGLUHFWLRQILJXUH$QRUGLQ

18、DUVWHHOFOLQGHURUDWKLFN ZDOOHGSLSHZLWKDGLDPHWHURIPPWRPPDQGZLWKDOHQJWKRIDERXWPPLVXVHGIRUWKLVSXUSRVH$ VKHHWRIOHDGZLWKDWKLFNQHVVRIPPRUODUJHULVWREHZUDSSHGDURXQGWKHFOLQGHU 6FDWWHULQJVKDOOEHDYRLGHGDVIDUDVSRVVLEOH$FROOLPDWLQJGLDSKUDJPZLWKDQRSHQLQJFRPSDWLEOHWRWKHVLH RIWKHILOPVKDOOEHSODFHGLQIURQWRIWKHWXEHZLQG

19、RZ $QXVHRIDGGLWLRQDO;UDSUHILOWHULQJVKDOOEHDYRLGHG )RUWKHFKDUDFWHULDWLRQRIWKHIRFDOVSRWLWVVLHVKDOOEHPHDVXUHGLQWZRSHUSHQGLFXODUGLUHFWLRQV7KHWZR PHDVXUHPHQWVVKDOOEHPDGHVRWKDW WKHWXEHDLVDQGFOLQGHUHGJHVKDOOEHSHUSHQGLFXODUIRURQHPHDVXUHPHQWOHDGOHWWHU/RQILOPDQG WKHWXEHDLVDQGFOLQGHUHGJHVKDOOEHSDUDOOHOWRHDFKRW

20、KHUIRUWKHRWKHUPHDVXUHPHQWOHDGOHWWHU: RQILOP 7KHLPDJHRIWKHOHDGOHWWHUVVKDOOEHLQWKHGDUNSDUWRIWKHILOP 7KHILOPVKDOOEHSRVLWLRQHGDOZDVZLWKLWVORQJHUGLPHQVLRQSHUSHQGLFXODUWRWKHFOLQGHUDLV$VDUHVXOWWKH XQVKDUSLPDJHRIWKHHGJHVKDOOEHFURVVZLVHRQWKHILOPLQHLWKHUFDVH 6HOHFWLRQRIGLVWDQFHVDQGHSRVXUHWLPH 5HIHUULQJWRILJXU

21、HWKHGLVWDQFHV IDQGVUHSUHVHQWUHVSHFWLYHOWKHVRXUFHWRHGJHDQGWKHHGJHWRILOP GLVWDQFHVDQGG F LVWKHGLDPHWHURIWKHVWHHOFOLQGHULQFOXGLQJWKHOHDGFRYHULQJ$QHVWLPDWHIRUWKHUHODWLRQ EHWZHHQIDQG VPDEHGHULYHGIURPDJLYHQQRPLQDOYDOXHRIWKHIRFDOVSRWVLH7KHUHODWLRQ VIVKDOOEH ODUJHUWKDQRUHTXDOWRWHQWLPHVWKHGLDPHWHURIWKHGHQVLW

22、PHWHULQSXWGLDSKUDJP G L GLYLGHGEWKHIRFDOVSRW VLH G Q SURYLGHGEWKHPDQXIDFWXUHUVHHHTXDWLRQ VI G L G Q 127( ,IWKHGLVWDQFH VJHWVLPSUDFWLFDOOORQJWKHGLDPHWHURIWKHGHQVLWRPHWHULQSXWGLDSKUDJP G L VKRXOG EHGHFUHDVHGWRPPRUEHORZ 7KHUDWLR IG F VKDOOEHODUJHUWKDQ $VDQHDPSOHDILOPWRIRFXVGLVWDQFH I VRIDERXWPHWHUVLVDS

23、SURSULDWHIRUDN9P$;UDWXEH3DJH (1 %6, LPHQVLRQVLQPLOOLPHWUHV .H VRXUFHIRFDOVSRW HGJH PPOHDGVKHHW ILOP )LJXUH6HWXSIRUPHDVXULQJWKHIRFDOVSRWVLH ,IWKHQRPLQDOIRFDOVSRWVLHLVQRWNQRZQWKHUHODWLRQEHWZHHQ VDQGI KDVWREHIRXQGHSHULPHQWDOOED SUHOLPLQDUGHWHUPLQDWLRQRIWKHIRFDOVSRWVLHXVLQJWKHSUHVHQWHGJHPHWKRG 7KHSDUWRI

24、WKHILOPFRPSOHWHOHSRVHGVKDOOKDYHDGHQVLWRI 7KHHSRVXUHWLPHVKDOOHFHHG V 0HDVXUHPHQWDQGGHWHUPLQDWLRQRIWKHIRFDOVSRWVLH 0HDVXUHPHQW 6XEVHTXHQWOWKHGHQVLWSURILOHRQWKHSURFHVVHGILOPILJXUHLVHYDOXDWHGLQRUGHUWRPHDVXUH X J ,IRQHFRQVLGHUVWKHILOPWREHGLYLGHGLQWRWKUHHRQHVRIGLIIHULQJGHQVLWQDPHOWKHOLJKWRQHWKHWUDQVLWLRQ

25、RQHDQGWKHGDUNRQHWKHQWKHGHQVLWSURILOHVLQWKHOLJKWDQGWKHGDUNRQHVVKDOOEHDVXQLIRUPDV SRVVLEOHLHQRVKDUSIOXFWXDWLRQV,IWKHGHQVLWYDULDWLRQRYHUWKHOHQJWKRIHLWKHURQHLHDORQJWKHOHQJWKRI WKHILOPLVPRUHWKDQRIWKHWRWDOFRQWUDVWWKHQLWLVQHFHVVDUWRFKHFNWKHSURWHFWLRQDJDLQVWVFDWWHUHG UDGLDWLRQDQGWRUHSHDWWKHHSRVXUH 7KHJHRPHW

26、ULFXQVKDUSQHVV X J ZLOOEHGHWHUPLQHGLQWHUPVRIWKHFRQWUDVWZKLFKLVWKHGLIIHUHQFHLQGHQVLW PHDVXUHGDWWKHGDUNHVWDQGWKHEULJKWHVWUHJLRQRQWKHILOP,IDKDQGKHOGGHQVLWPHWHULVXVHGWKHGHQVLW VKDOOEHPHDVXUHGDWDILHGSRLQWRQWKHLOOXPLQDWRUZKHUHWKHHURDGMXVWPHQWRIWKHGHQVLWRPHWHUZDVPDGH ,QWKLVFDVHLWLVQHFHVVDUWRVOLGHWKHILOPLQV

27、WHDGRIPRYLQJWKHGHQVLWRPHWHU 7KHHURDGMXVWPHQWRIWKHGHQVLWRPHWHUVKDOOEHFKHFNHGEHIRUHDQGDIWHUWKHPHDVXUHPHQW,QFDVHRI GHYLDWLRQVWKHPHDVXUHPHQWKDVWREHUHSHDWHG )LUVWWKHWRWDOFRQWUDVWEHWZHHQGDUNDQGEULJKWRQHLVPHDVXUHG7KHQWKHWZRSRLQWVRIDQGRIWKH FRQWUDVWDUHPDUNHGRQWKHILOP7KHGLVWDQFHEHWZHHQWKHVHSRLQWVLVWKHJHRPHWU

28、LFXQVKDUSQHVV X J ,QRUGHUWRLOOXVWUDWHWKHSURFHGXUHIRUWKHPHDVXUHPHQWRIWKHJHRPHWULFXQVKDUSQHVVDGHQVLWSURILOHLV VKRZQLQILJXUHDQGWKHSRLQWVZLWKDQGRIWKHWRWDOFRQWUDVWDUHSURMHFWHGRQWKHDEVFLVVD7KH3DJH (1 %6, OHQJWKRIWKLVSURMHFWLRQLV X JO RU X JZ GHSHQGHQWRQWKHRULHQWDWLRQRIWKHWXEHDLV 7KHIRFDOVSRWVLHVKDOOEHGHWH

29、UPLQHGDFFRUGLQJWRWKHIROORZLQJHTXDWLRQV O X JO IV Z X JZ IV ZKHUH OIRFDOVSRWOHQJWK ZIRFDOVSRWZLGWK IGLVWDQFHEHWZHHQIRFDOVSRWDQGHGJHILJXUH VHGJHWRILOPGLVWDQFH )LJXUH(DPSOHIRUDGHQVLWSURILOHRQWKHILOPDQGLWVHYDOXDWLRQ HWHUPLQDWLRQ (DFKIRFDOVSRWVLHLVGHILQHGELWVVLH OOHQJWKLQWKHGLUHFWLRQRIWKHWXEHDLVDQGLWVVLH

30、 ZZLGWKLQWKH SHUSHQGLFXODUGLUHFWLRQ 7KHODUJHURIWKHVHVLHVVKDOOEHXVHGDVWKHIRFDOVSRWVLH G ,IWKHODUJHURIWKHYDOXHV ORU ZHFHHGVWKHYDOXHG Q JLYHQZLWKLQWKHVSHFLILFDWLRQRIWKHWXEHDPRUHSUHFLVH PHWKRGIRUWKHPHDVXUHPHQWRIWKHIRFDOVSRWVLHVKDOOEHDSSOLHGEHIRUHIXUWKHUXVHRIWKHWXEHVHHIRU HDPSOH$QQH$ ,IWKHIRFDOVSRWVLHZLO

31、OEHFHUWLILHGWKHPHDVXUHPHQWUHVXOWKDVWRPHHWWKHYDOXHVRI(1ZLWKLQDQ XQFHUWDLQWRI3DJH (1 %6, $QQH$ LQIRUPDWLYH DWDDQDOVLV 7KHUDGLRJUDSKVFDQEHXVHGIRUDPRUHSUHFLVHIRFDOVSRWVLHGHWHUPLQDWLRQ,IWKLVVKRXOGEHQHFHVVDUWKH IROORZLQJSURFHGXUHLVDSSOLHG 6FDQWKHGHQVLWSURILOHIURPWKHILOPGRFXPHQWXVLQJDPLFURGHQVLWRPHWHU &DOF

32、XODWHWKHILUVWGHULYDWLYHDFFRUGLQJWRHTXDWLRQ$ G V G V $ ZKHUH G V LVWKHVWHSZLGWKRIWKHPLFURGHQVLWRPHWHU HWHUPLQHWKHJHRPHWULFXQVKDUSQHVV X J IURPWKHFURVVSRLQWVRIWKH FXUYHZLWKWKHOLQH$% DFFRUGLQJWRILJXUH$ZLWK BB X J () $ &DOFXODWHWKHIRFDOVSRWOHQJWK ODQGWKHIRFDOVSRWZLGWK ZXVLQJHTXDWLRQDQGHTXDWLRQ 127( 7KLV

33、PHWKRGLVRQODSSOLFDEOHLIHDFWYDOXHVRI VDQG IDUHNQRZQ 127( 7KLVPHWKRGUHTXLUHVDKLJKVLJQDOQRLVHUDWLR7KHUHIRUHDILOPVVWHPFODVV&RUEHWWHULVXVHG DFFRUGLQJWR(1DQGVHYHUDOVFDQVDUHDYHUDJHGDFURVVWKHHGJHSURMHFWLRQ 127( )RUWKHGHWHUPLQDWLRQRIWKHIRFDOVSRWVLHDERYHN9WXEHYROWDJHWKHFOLQGHUGLDPHWHUVKRXOG KDYHDGLDPHWHURI PPZLWK I G F !7KHILOPVVWHPFODVVVKRXOGEHDWOHDVW& )LJXUH$)LUVWGHULYDWLYHRIWKHGHQVLWSURILOH