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发表于 2012-11-22 13:15:01
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WPS和PQR都是舶来品
/ X, r8 C1 F$ O; q$ J. M) C+ O( v一般企业弄个小气焊啥的哪里知道这玩意...但是做过大型钢构、工程焊接、压力容器焊接的就肯定知道是什么东西了+ H( m1 t+ f( I& `8 N) U7 d+ D! _
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查US的资料对于氧压表的管理要求无非:9 L8 P% M9 d' c3 k! D* u5 T
Care of Gauges1 z$ u, e# Q* ] L* ~" \9 _
Gauges should be given the care afforded to any precision instrument.
* X2 j# y1 K, a8 y& \1 ^+ P(1) To avoid the possibility of an explosion, never permit oil to get into any oxygen apparatus.+ `) U1 `; l) r4 i
(2) Never apply pressures to gauges suddenly. Open valves on cylinders slowly.
, o! `1 Y- e" Y1 `9 H+ S(3) Do not apply pressures to the full scale of the dial.9 y8 B" y% d1 B
(4) Do not apply full tank pressures with the regulating screw on reducing valves which are screwed all* F+ g; M, K/ x5 y4 Z1 o2 \
the way in. Increase the pressure on low-pressure gauges slowly.
A) X* X8 g) f(5) When installing gauges to apparatus, do not attach a wrench on the pipe threads; use the square
; W+ \6 d) J; t- [6 w! g- ?7 g& Vabove the pipe threads.
+ v/ l1 s4 y% `2 Q/ w/ x& J(6) Handle gauges with care. The mechanism can be damaged or destroyed if they are bumped, jammed
3 \! ?) t, w* ?: Ior allowed to fall on the floor.
1 ?2 [; K9 I" v6 d+ x/ g(7) A gauge that is giving incorrect readings can be a hazard. Do not try to repair a defective gauge. Take it to an authorized gauge repair shop.! S( s, ~3 k9 ^0 |6 A+ |
7 y, V+ @+ b$ O! f至于calibration的要求,也仅在自动焊接系统、超声波探伤等方面提出要求
3 C2 ~9 h+ f9 @' W$ h当然,老美的东西不见得符合中国的国情,但是实际上我们国家的国标,大部分是抄过来的,大家心里也清楚...而且很多修改也不过是改得更低一点而已...
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要知道一个氧压表是否准确,有时候很简单,指针能不能归零?自建检查档案?
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1 J& a' Z$ K' M" L1 t9 h0 m坏了的氧压表要么修、要么换2 m g% M- I" V# q2 W+ B' W
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虽然说从安全角度出发是为企业负责的一种表现,但是只是强调自认的安全,而忽视企业的感受和承受,是真正的为企业负责吗?谁说一定要检定才能保证安全呢?尤其是这种无法找到明确依据,只能凭借个人理解的“猜测”?8 D+ K7 g% l( `+ g
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