GOST R EN 379-2011 System of standards for occupational safety Personal eye and face protection equipment during welding and related processes Automatic welding filters General spe.pdf

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1、 . EN 379:2009Personal eye and face protection equipment during welding and relatedprocesses Automatic welding filters(IDT) 3792011 27 2002 . 184- , 1.02004 . 1 320 , 42 3203 - 5 2011 . 436-4 E 379 - . . (EN 379:2009 Personal eye and face protection equipmentduring welding and related processes Auto

2、matic welding filters). - () , . - 1.52004 ( 3.5)5 - , - . () . - , , 2012 , - - II 37920111 12 13 24 34.1 34.2 .34.3 .34.4 64.5 65 .75.1 .75.2 .75.3 - .75.4 .85.5 .85.6 96 106.1 106.2 106.3 .117 , 12 () .13 () .15 () .16 3792011III . ccupational safety standards system.Personal eye and face protect

3、ion equipment during welding and related processes. Automatic welding filters.General specifications 201212011 , - , , ( ) . -, ( ), , . , . , - 166. , , E 175. . - E 169.2 . - , . ( ). 165:2005 . (EN 165:2005, Personal eye-protection Vocabulary) 166:2001 . (EN 166:2001, Personal eye-protection Spec

4、ifications) 167:2001 . (EN 167:2001, Personaleye-protection Optical test methods)1 3792011 169:2002 . . - (N 169, Personal eye-protection Filters forwelding and related techniques Transmittance requirements and recommended use) 9211-2:1994 (N 9211-2: 1994, Optics and optical instruments Optical coat

5、ings Part 2 :optical properties 11664-2:2007 . 2. (ISO 11664-2:2007,Colorimetry Part 2: CIE standard illuminants)3 165, - :3.1 (automatic welding filter): , ( ) (- ).3.1.1 (automatic welding filter with manual scale number setting): , - (- ) ( ).3.1.2 - (automatic welding filter with automatic scale

6、 number setting): C - , , .3.2 (light state scale number): , c1161(. 1).5 10 111213 14c1161c116dc1162c1161 ;c116d ;c1162 (). 1 5 10143.3 (dark state scale number): , c116d - , (. 1).3.4 () - (darkest state scale number): , - c1162, (. 1).3.5 (switching time) ts: ts=11032c116c116c116() ,tdtttc61c61c2

7、42(1) t , 0, ;c116(t) t ;2 3792011t = t (c116 (t)=3c1162) , - - () . - . - . - .3.6 : - ( ), ( ), , 9211-2.3.7 : , - .4 4.1 -, 1. - , ( ) . 1 () , , 166 ( 7.1.2.1.2) 169 ( 1) 4.3.3 169 ( 1) 4.3.6 166 ( 7.1.3) , 166 ( 7.1.4) (-) 166 (7.1.5.2), - b) 7.1.5.2 4.3.6 166 ( 7.1.7)4.2 , , 166 (7.2.27.2.8 7.

8、3).4.3 4.3.1 5.1 .4.3.2 4.3.2.1 4.3.2.2, 4.3.2.3 4.3.2.4 - 167 ( 6) - .4.3.2.2 - 0,16 % (5 c177 2) (55 c177 2) .3 37920114.3.2.3 , 169 ( 1), , (c1161, c116d c1162) . (5 c177 2) (55 c177 2) .4.3.2.4 - 169 ( 1) E 169, ) d) 5.2, , . (23 c177 5) .4.3.2.5 - :) N(Ev) Ev, , :N(Ev) = 2,93 + 2,25 log E.(2) , (2), 2 814; 2 N(Ev) N 8 9 10 11 12 13 14 Ev, 180 500 1400 3900 10700 30000 83000b) , , c177 1 , - (2);c) - , , -;d) , . ;e)