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! k5 I5 E f9 P& [& G标准中对于用于某些作用的螺钉要进行10或5次松紧测试,但是对于这些位置在公司内部有歧义。, g, ^8 s0 j0 I3 x$ N! |/ h# x
比如,一款Y连接的电磁炉的合盖螺钉;
; G" D/ d% _) h' s6 ^个人认为不属于标准中提到的3个位置,但是内部同事觉得“合盖螺钉”属于用户维护保养、安装期间。
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( u- `& K1 q3 ?+ C. |* q- N- F' SCompliance is checked by inspection and by the following test., u8 z" j. C- P) `7 Z) O% r
Screws and nuts are tested if they are
1 R) g' N0 f+ [9 C– used for electrical connections;! q8 m) [; `( _
– used for connections providing earthing continuity, unless at least two screws or nuts are! [4 V1 M/ ~# h& `* ]
used;
% ^, L( ^$ R" o0 \( E. {5 u% r! C– likely to be tightened
: e4 N7 o' X" }5 N2 R! d8 g• during user maintenance;
7 B- O+ u' c. h/ ]) V* C2 P• when replacing a supply cord having a type X attachment;+ R4 b% b- G+ \/ K8 q+ X1 E8 Q
• during installation.5 E+ n& b! x( D2 z
The screws or nuts are tightened and loosened without jerking:
) i7 [% S @4 O& m– 10 times for screws in engagement with a thread of insulating material;# P" x# ~) @& h+ |/ Y6 \
– 5 times for nuts and other screws.
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& p1 {8 K2 H6 W$ ? k5 b/ G
3 I' U# q3 C: r我个人认为假如①需要拆开电磁炉合盖螺钉,这个已经不属于用户维护保养的范围。$ [/ O. G, F- B" a: f( k
②安装期间是指一些购买后需要按照到位使用的器具,一般便携式器具肯定不包含在内。: v, z2 n+ k! `9 Z' P
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