|
|
0 p% m5 F8 s' I$ n: L7 q
6 I$ u, \0 ^+ } |  DSH 3060 ^% ?" q) Y. O# u- z: H. c
| Protection against Mechanical Hazards2 `* T+ ?1 C9 y% }8 n
| 7.1
3 }7 z2 w' j1 E2 r* A" Q | 61010-1(ed.1);am1;am2
5 M: H9 z% U* q2 x) c: Z |
" D7 h/ d! }- I1 X
+ x& B X* d4 w7 K3 _* C. o, v) v
Standard:* B/ ^2 R2 g1 [% P) } l6 m5 }" R V* _
IEC 61010-6 u6 \, @: h( ^( H. e
1:1990+A1:1992+A2:1995
]1 j4 }* z8 d7 L3 O; gSub clause:
0 E& ~, Y- ~$ L7.16 ~$ h3 s0 g1 {2 d2 a/ @
Sheet n. 306
" C/ o4 A0 ^& \! W3 }5 qPage 1(1)+ j( N8 a: O/ r% O# w/ Z- l% q v
Subject:" g# n9 m/ w7 n
Protection against mechanical
- O8 `% ?+ z! X* E6 rhazards0 H/ D: n6 T4 g
Key words:1 L9 M; j* c2 K. J4 C! |
- Guards" i3 a# J9 O& G6 e
- Access. n. i. W; d! O Q! C
Decision taken by! t( }! i1 w/ ?; P
ETF3 and confirmed
1 A1 y* X# M f0 ^by CTL at its 38th m1 e* n3 J! Q+ H
meeting, in Toronto# \" ?3 K8 [" o+ F
Question:; C6 j- {/ l8 \
The requirement states that there must be no access to hazardous moving parts in Normal
8 F5 ]4 ~! o/ F0 Q% UCondition and no parts must be expelled in Single Fault Condition. Does this mean it is: b+ B2 [- u) J0 s+ B% r
acceptable to have access to hazardous parts in Single Fault Condition?
5 R1 |( e2 W. }4 V, KDecision:
0 N7 U: y) I. d0 [. Q- ]5 [3 i! jMechanical parts are not subject to Single Fault Condition examination.; g+ i) X) \% q) R( B8 X) G) r* D
Explanation:
4 ?) u; C" \2 S% z+ q. H3 P; jSpecific tests are included in the standard for strength, e.g. impact hammer test, which
0 D) o* ] C+ s" b1 E& a% Ydetermine the acceptable strength of parts. It is not permissible to remove or presume
* C! ^' @ s+ O0 M; |destruction of mechanical components in simulated Single Fault Conditions in addition to
- t; G/ U+ I# ^! Othese pre-determined requirements.
* d; \0 K. n$ W: r6 r) ~Where safety of a moving part is determined by an electronic control, for example a speed
9 H3 a9 r2 L7 z' X2 ycontrol circuit, then single fault analysis of this circuit must be performed if a hazard could! ~1 ] x2 A1 Z
arise.
- e1 i' k& M6 k/ m( ?1 ]% e( \
0 @. c5 J0 L$ E r- G5 y% Z+ {4 |7 e; Q: X: q+ R1 P2 l# N
( _% g4 i9 a" f. S( r: J
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-19 14:55
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡