DSH 525 Applied force for internal parts

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DSH 525

Applied force for internal parts 3 z& n0 B: r2 _2 m8 e8 w8 K1 q

13.2

60065(ed.6) ! P8 [- C6 t+ Y% J7 ?% Z2 y

Standard:
IEC60065 6ed.
Sub clause:
13.2
Sheet No.
0 a( }" Y' c6 y" `8 y( t0 ]525
Subject
Applied force for internal parts
Key words:
6 F+ ?0 u: x% x& Y, g6 w( I; u# Z. Mforce for internal parts
Decision taken at the
40th meeting 2003
Question:
In clause 13.2, it is specified that 2N for internal parts and 30N for the outside are applied
simultaneously while taking measurement of clearance. However, it is not specified that forces are
/ r7 r( N3 K1 B6 }7 }applied to internal parts while taking measurements between two internal parts, ex. primary circuit
% J1 |! b2 E' s8 Zcomponent and secondary circuit component.
6 A3 y+ v/ n2 |Which is the appropriate method to measure clearance between two internal parts ?
( Q+ T# P6 c9 Z# C* i3 v" Xa) 2N forces are applied to the both parts simultaneously.
" N. {6 m5 h- K$ c5 \3 a# v9 Ib) First, a 2N force is applied to one part and removed. And then a 2N is applied to the other one.
c) Other opinion
Decision:
First, a 2N force is applied to one part and removed. Then a 2N force is applied to the other
4 N  b$ l$ Y8 K, V8 lpart.
/ V8 m; U) F  x5 B+ `0 L
, C+ G" c  [  n( \3 \8 U