【BS英國標(biāo)準(zhǔn)】BS EN 869-2006 Safety of machinery. Safety requirements for pressure metal diecasting units.doc

british standardbs en 869:2006safety of machinery safety requirements for pressure metal diecasting unitsthe european standard en 869:2006 has the status of a britishstandardics 25.120.30 bs en 869:2006national forewordthis british standard was published by bsi. it is the uk implementation ofen 869:2006. it supersedes bs en 869:1998 which is withdrawn.the uk participation in its preparation was entrusted by technical committee mce/3, safeguarding of machinery, to subcommittee mce/3/10, foundry machinery safety.a list of organizations represented on mce/3/10 can be obtained on request to its secretary.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 standard cannot confer immunity from legal obligations.amd. no.datecommentsthis british standard was published under the authority of the standards policy and strategy committeeon 31 october 2006 bsi 2006isbn 0 580 49036 xamendments issued since publicationeuropean standard norme europenneeuropische normen 869september 2006ics 25.120.30supersedes en 869:1997english versionsafety of machinery - safety requirements for pressure metal diecasting unitsscurit des machines - prescriptions de scurit pour les chantiers de moulage des mtaux sous pressionsicherheit von maschinen - sicherheitsanforderungen anmetall-druckgieanlagenthis european standard was approved by cen on 6 august 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 national 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 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, cyprus, czech republic, denmark, estonia, 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.european committee for standardization c o m i t eur o p en de nor m a l i s a ti on eur 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 869:2006: een 869:2006 (e)contentspageforeword.5introduction .61scope .62normative references .63terms and definitions .84list of significant hazards .114.1general.114.2mechanical hazards .114.3electrical hazards/control system.124.4thermal hazards .124.5fire hazards .124.6noise hazards.134.7hazards caused by gases, vapours, fumes and dusts .134.8hazards generated by neglecting ergonomic principles in machinery design.134.9setting-up the diecasting machine .144.10falls from heights .144.11particular hazards with regard to cold-chamber diecasting machines .144.11.1 bursting of slugs .144.11.2 injection drive area .144.12particular hazards of diecasting machines with vertical closing movement .144.13particular hazards with regard to hot-chamber diecasting machines .144.13.1 nozzle.144.13.2 initiation of the casting process due to a fault in the control system.144.14hydraulics and pneumatics .145safety requirements and/or protective measures .145.1general.145.2mechanical.155.2.1general.155.2.2guards and protective devices for die area (see also 5.4.1) .155.2.3guards for the die closing mechanism area .175.2.4additional requirements for movable guards and access doors .175.2.5diecasting units .185.3electric equipment and control systems .185.3.1electric equipment.185.3.2safety related parts of the control system: general .185.3.3emergency stop functions.195.3.4safety related control system of the dangerous movements of the die .195.3.5safety related control system of the dangerous movements with closing safety device .195.3.6control of ancillary equipment .205.4measures against thermal hazards .205.4.1spurting of molten metal .205.4.2contact with hot surfaces .205.5hydraulics, pneumatics, combustible fluids .205.5.1hydraulics, pneumatics .205.5.2pressure fluids .205.5.3spray systems for release agents.205.5.4heat exchanger media.205.6noise .215.6.1noise sources .21415.6.2noise reduction as a safety requirement . 215.6.3noise emission measurement and declaration .215.7gases, vapours, fumes and dusts . 215.8ergonomic aspects . 225.9protective measures when setting-up diecasting machines, inserting and removalappliances, tie bar pulling devices, and other ancillary equipment . 225.9.1setting-up without protective devices for the die area . 225.9.2movement of core pullers and ejectors. 225.9.3movement of tie bar pulling devices . 225.9.4movement of the plunger of cold chamber machines . 225.10elevated working places . 235.11additional protective measures for cold-chamber diecasting machines. 235.11.1 bursting and removal of slugs. 235.11.2 guards for the plunger area with vertical shot sleeve .235.11.3 guards for the plunger area with horizontal shot sleeve . 235.12additional protective measures for diecasting machines with vertical closing movement. 235.13additional protective measures for hot-chamber diecasting machines . 235.13.1 metal spraying between nozzle and die . 235.13.2 movement of the injection piston . 246verification of the safety requirements and/or protective measures . 247information for use . 257.1general . 257.2signals and warning devices . 257.3accompanying documents. 257.3.1instruction handbook . 257.4marking . 28annex a (informative) examples . 29annex za (informative) relationship between this european standard and the essentialrequirements of eu directive 98/37/ec . 41bibliography. 42figuresfigure a.1 example of a hot chamber diecasting machine (can be manufactured with a horizontal or a vertical die closing system) .29figure a.2 example of a horizontal cold-chamber diecasting machine (can be manufactured with a horizontal or a vertical die closing system) .29figure a.3 example of a vertical cold-chamber diecasting machine with vertical shot-end (can be manufactured with a horizontal or a vertical die closing system).30figure a.4 examples of mechanical hazards and danger zones .30figure a.5 examples of danger zones for metal spraying at horizontal cold-chamber machines.31figure a.6 examples of danger zones for metal spraying at vertical cold-chamber machines with vertical shot-end.31figure a.7 examples of danger zones for metal spraying at hot-chamber machines .32figure a.8 distance between the guard and machine frame according to .32figure a.9 example of guarding the hazardous area of a diecasting cell .33figure a.10 example for a closing safety device with positively actuated hydraulic valve, see a). 34figure a.11 example for a closing safety device with positively actuated pilot valve, see b) . 35figure a.12 example for a closing safety device with positively actuated limit switch which drives the shut- off valve, see c) . 36figure a.13 example for a closing safety device with positively actuated limit switch which drives a pilot valve, see c) . 37figure a.14 example of safety related control system with closing safety device for closing units, see d). 38figure a.15 example of safety related control system with closing safety device for closing units, see d). 39figure a.16 example of additional requirements on the hydraulic control of machines with vertical closing movement against pressure peaks and gravity (for electrical interlocking and monitoring, see figures a.10 to a.15 . 40tablestable 1 methods of verification . 24table 1 (continued) . 25forewordthis document (en 869:2006) has been prepared by technical committee cen/tc 202 “foundry machinery”, the secretariat 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 march 2007, and conflicting national standards shall be withdrawn at the latest by march 2007.this document supersedes en 869:1997this document has been prepared under a mandate given to cen by the european commission and theeuropean free trade association, and supports essential requirements of eu directive(s).for relationship with eu dire