安规网

标题: PDSH 857 Rivets for electrical and mechanical connections [打印本页]

作者: 小米    时间: 2012-9-17 14:11
标题: PDSH 857 Rivets for electrical and mechanical connections
PDSH 857
6 V' B" I9 E  _; q

8 R& g8 k$ R& L; l* W* l
Rivets for electrical and mechanical connections
1 e6 j/ z7 Q6 ?( ?5 n' x% d* D) e- c
4.11.3 – 7.2.4$ x+ E7 {5 e% x- ]2 a5 v% E
60598-1(ed.3);am1 & 60598-1(ed.4);am1 & 60598-1(ed.5) & 60598-1(ed.6);am1 & 60598-1(ed.7)
$ H7 i( r; _( c. M

, ~1 A/ ?$ t/ x, H, Z: l- tStandard(s):
# `8 u/ r1 f/ ^- B1 d  vIEC 60598-1 All editions
. ?) S3 x  A  `) G+ w3 ySubclause(s): 4.11.3 – 7.2.4' y$ K% Q! i5 D2 E2 j* T; H
No. Year PDSH 0857 2010
8 U7 K5 S$ J4 `2 TCategory: LITE Developed by: ETF5 OSM/LUM! R' V% S: k: I/ k& u
Subject:5 q" s7 w/ Q4 [( C9 v) N6 M. K
Rivets for electrical and mechanical connections
# a% E- p4 s8 I# oKey words:- ]7 l# P# x7 U5 u
- Rivets
$ @3 N. Q4 T' Q2 d! g8 s- U. ^- Earthing connections% X% S6 C. \- g" W( l* _/ y' W
- Accidental loosening
, M6 k* U; r8 w: dTo be approved at the 49th CTL Plenary Meeting, in 2012. B) O1 `* d. O3 O3 P' x
Question:8 P! |' S7 g: N% @! ~% P8 e' J" e( n: C
Should the rivets that serve as electrical as well as mechanical connections be protected against loosening
2 i! u. ^- O  i' u) U& R8 a2 Feven if they are not subject to torsion effect in normal use (e.g. rivets intended to fix ballasts).& `. G+ H" M1 a$ b6 w# v' e$ j
Decision:( `. B$ w" P$ z) l
It was agreed that earthing connections shall be adequately locked against accidental loosening, either by:
; l" Y6 G2 b2 @- at least one screw with a spring washer, or one rivet with no circular shape;5 ?! P3 H) o" U, c* R8 O$ t3 m. H% @* Z/ c
- two rivets in case of circular shank according to sub-clause 4.11.3 of IEC 60598-1./ e- `2 @2 q, K0 H% }

9 O, d7 c4 z+ b# t8 H8 r[attach]76106[/attach]
; S9 P6 [3 E9 y/ u




欢迎光临 安规网 (http://bbs2.angui.org/) Powered by Discuz! X3.2