|
各位 UL 987 30.3 关于运动部件护罩要求:
" G/ y* m7 C9 S, n- [; ~30.3 Some guards provided over moving parts are required to be of the self-restoring type – for example,5 I0 n; j! G5 ?/ D; i
a guard on a saw and a guard on a jointer. Other features of a guard that shall be considered include:
: U) @5 _: V, g; ?5 x! ?7 qa) Removability of the guard without the use of a tool; | b) Removability for servicing and the need for replacement;6 g3 X9 d- e2 ?) ]; R
c) Strength and rigidity;
. x# \. j( O, A# B& U" x/ |4 ]d) Completeness; and
/ b" f# Q) P/ c/ k, D* |- Je) Creation of a risk of injury to persons, such as pinch points, material hang-ups or jams,6 y6 G% A3 H8 u) ^9 G1 c5 c# Z
restricted vision, or other conditions adversely affecting the ease of operation; and the necessity
; A# P0 q/ M V8 E/ Wfor additional handling because of increased need for servicing – such as cleaning, unjamming,
" \% `" n4 {" k8 }* r4 v9 e7 X1 c. zand the like.
2 ? Y8 X( h9 g2 U1 b- H
! K4 c& Z) r% x, K3 \1 P0 }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? |
|