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各位 UL 987 30.3 关于运动部件护罩要求:
- T+ o( F0 \9 M/ [3 G% x, Z5 i30.3 Some guards provided over moving parts are required to be of the self-restoring type – for example,
; ` U& S: [2 y* Za guard on a saw and a guard on a jointer. Other features of a guard that shall be considered include:5 @$ r7 n: Y6 R5 y" ~9 n8 M9 I* R0 S* |
a) Removability of the guard without the use of a tool; | b) Removability for servicing and the need for replacement;
3 P A8 l9 {% {* x* e& K2 ^c) Strength and rigidity;
8 Q, L8 l4 Y4 C- U3 x- xd) Completeness; and1 u& P! E: v& [* C2 w% \
e) Creation of a risk of injury to persons, such as pinch points, material hang-ups or jams,. h1 D. D0 U$ A5 @$ E6 Y
restricted vision, or other conditions adversely affecting the ease of operation; and the necessity
7 F" ^7 `. J$ b# J; bfor additional handling because of increased need for servicing – such as cleaning, unjamming,2 K5 S+ @ p0 ?1 M7 ]1 O
and the like.
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" B5 E: S- D1 d" H# ?# g3 J其中的a 怎么理解?不用工具就可以拆掉的运动部件护罩可以接受吗? |
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