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发表于 11-22 13:15:01
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WPS和PQR都是舶来品+ S) ?: N3 `& g
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
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, N1 K; L$ y% s2 f查US的资料对于氧压表的管理要求无非:9 h7 Y$ S3 E a* Y
Care of Gauges9 l" j" l/ C1 C/ s
Gauges should be given the care afforded to any precision instrument.
. L% I! v/ g `- K(1) To avoid the possibility of an explosion, never permit oil to get into any oxygen apparatus.
5 E& A$ e6 C3 {+ D( W2 e7 d7 I5 _(2) Never apply pressures to gauges suddenly. Open valves on cylinders slowly.: M. h! ]/ ]% b; e: v" K
(3) Do not apply pressures to the full scale of the dial.
. W# V, Q8 I. }8 T% f/ B- g(4) Do not apply full tank pressures with the regulating screw on reducing valves which are screwed all+ w( s3 O; M) ^6 I
the way in. Increase the pressure on low-pressure gauges slowly.
+ u( r ]' e- ~5 U5 K( Z* N8 I(5) When installing gauges to apparatus, do not attach a wrench on the pipe threads; use the square
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(6) Handle gauges with care. The mechanism can be damaged or destroyed if they are bumped, jammed
& Y* R% W% N6 c3 E3 U: [6 for allowed to fall on the floor./ ?) O% D7 a. y2 R
(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.* @( x8 U/ k0 x6 W! l m/ i
8 O+ U! I# H" y7 t+ 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5 ^& J& I$ R& N3 N) ^6 ]
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...' E7 c9 z1 g( m( j* X5 `
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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?0 o* m; k1 `: b" w( L! K
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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”?# `% r* @; G# B+ E7 D4 v
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