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发表于 11-22 13:15:01
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WPS和PQR都是舶来品
. y0 X: g- E0 o) ]. Q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4 W& B" S9 K- L2 B- N
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查US的资料对于氧压表的管理要求无非：: l* ^. n6 ?. T6 m; t2 h+ q
Care of Gauges
5 m l/ g* p2 H: j! PGauges should be given the care afforded to any precision instrument.
- {1 ^) I ?- c" D \(1) To avoid the possibility of an explosion, never permit oil to get into any oxygen apparatus.% I ^4 l8 f+ L9 g5 f$ z
(2) Never apply pressures to gauges suddenly. Open valves on cylinders slowly.! A% X% ~8 b: j! R' M
(3) Do not apply pressures to the full scale of the dial.
/ i E; I5 F8 L; `: j(4) Do not apply full tank pressures with the regulating screw on reducing valves which are screwed all5 O! q' B* x/ V, g) I
the way in. Increase the pressure on low-pressure gauges slowly.
$ I2 w0 f. c# [(5) When installing gauges to apparatus, do not attach a wrench on the pipe threads; use the square+ z2 C* G" W3 K' K: n1 ]! l/ R
above the pipe threads.4 H+ g$ S) @% l
(6) Handle gauges with care. The mechanism can be damaged or destroyed if they are bumped, jammed
& O3 L# l+ G$ t% z, c! Hor allowed to fall on the floor.' T. p3 @" `( g; B: Q4 ?5 L
(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.9 L# n! ?, T& N% x: M+ A+ T
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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
# N1 [0 s" J0 [ M5 Q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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' r1 N4 }- p4 z, o2 w) T( j坏了的氧压表要么修、要么换/ Y3 l" Z% |- |0 \! s: ~
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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”？
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发表于 11-21 21:15:57
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