DSH 525 Applied force for internal parts

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DSH 525 1 _1 I) y3 N6 p

Applied force for internal parts

13.2 . c) B2 ^& @3 ?' E: k

60065(ed.6)

" b' n* o& d* D; X- Z1 fStandard:
IEC60065 6ed.
* T0 O+ a, c9 M1 b) i/ {Sub clause:
13.2
Sheet No.
( b4 I+ O. N. ^( H, m  q0 p9 P525
Subject
Applied force for internal parts
2 V" k) H  r+ o7 {) PKey words:
force for internal parts
" B; g0 _; W0 p  K  c( W6 r) M+ YDecision taken at the
40th meeting 2003
6 G  u3 l  V; X. Z  g- y( M9 hQuestion:
5 c( l7 G* w/ b, f+ K3 _0 pIn clause 13.2, it is specified that 2N for internal parts and 30N for the outside are applied
- U) t" R+ U2 G* @) n6 q: e" |+ zsimultaneously while taking measurement of clearance. However, it is not specified that forces are
applied to internal parts while taking measurements between two internal parts, ex. primary circuit
( \3 h! j2 s5 _% C  g4 @component and secondary circuit component.
* T% R% _% T3 eWhich is the appropriate method to measure clearance between two internal parts ?
a) 2N forces are applied to the both parts simultaneously.
b) First, a 2N force is applied to one part and removed. And then a 2N is applied to the other one.
c) Other opinion
8 z) N! y, r& d$ e4 NDecision:
0 p7 o- A! u" nFirst, a 2N force is applied to one part and removed. Then a 2N force is applied to the other
) w: L- n) q$ r1 }" f' Wpart.
8 w. c1 k9 `. B' U8 r$ D# R. w

1 K7 V% s  L* s