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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。
; X. V% J' A# Y& }; @# W比如,一款Y连接的电磁炉的合盖螺钉;
, Z4 n5 G6 \: _8 K# @1 m& u8 y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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0 t; X* q5 _ X/ f9 ICompliance is checked by inspection and by the following test.! y# [$ o1 Z8 w! ~
Screws and nuts are tested if they are
, D9 D: n- g9 j: B/ I. {/ j$ s9 u: T– used for electrical connections;5 L( I+ P: |4 M- `. \$ ~+ z
– used for connections providing earthing continuity, unless at least two screws or nuts are4 y$ j! G' M- N& e' i' a/ O
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– likely to be tightened( i7 w: m$ j) n0 \6 x
• during user maintenance;. R O* Z9 T. z" a, a
• when replacing a supply cord having a type X attachment;
0 u( _9 q1 m: Q( q, m H/ U9 w• during installation.. U6 S0 z5 q2 v8 R
The screws or nuts are tightened and loosened without jerking: i v7 r# b5 ~
– 10 times for screws in engagement with a thread of insulating material;
( A& e" H9 l! t: S. z' S– 5 times for nuts and other screws.; x1 B6 Z2 [8 Z0 g* B
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: g6 M6 u2 Q: Y2 y5 ~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。
2 B# E! K/ I0 Z5 f* m2 W1 S 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。- }# y" d# i3 I5 J/ Y; M: R
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