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发表于 11-22 13:15:01
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WPS和PQR都是舶来品: p7 W+ o' Z- s0 A6 \3 N
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) z4 {, i8 m: [8 @4 z. L/ h
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查US的资料对于氧压表的管理要求无非:5 Q' {* `* J) C8 x8 o: x1 G% n2 M j
Care of Gauges) ~' J) c( v" N; j
Gauges should be given the care afforded to any precision instrument.
1 Z3 w+ ~, N3 T+ c(1) To avoid the possibility of an explosion, never permit oil to get into any oxygen apparatus.
9 C# j7 V# P, U0 J1 O5 b7 J% M(2) Never apply pressures to gauges suddenly. Open valves on cylinders slowly.3 {$ }, D! T& M2 e
(3) Do not apply pressures to the full scale of the dial.
# Y3 K m( _( y5 e9 q2 N& b' r(4) Do not apply full tank pressures with the regulating screw on reducing valves which are screwed all& g9 _5 e# E" F# v
the way in. Increase the pressure on low-pressure gauges slowly.
' }6 Z7 C' k# q(5) When installing gauges to apparatus, do not attach a wrench on the pipe threads; use the square
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2 J; N' S; B% R F! E. P& Z( N(6) Handle gauges with care. The mechanism can be damaged or destroyed if they are bumped, jammed
6 o) @6 r4 X1 S+ C1 Y# cor allowed to fall on the floor.
7 f: ?0 r, c/ w(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.
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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
2 d8 `8 D/ C8 P1 c$ E4 g. x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...8 `4 a y2 Y% m- A9 j$ p
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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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坏了的氧压表要么修、要么换
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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”?; A0 J& r5 P+ D- @- L
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