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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
. M4 @7 O7 g+ j$ 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
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; Q7 S! M( o9 ^) v( x* C: ]查US的资料对于氧压表的管理要求无非:6 r# Y: F4 J3 h
Care of Gauges1 l3 }; a" b: Q" \) z
Gauges should be given the care afforded to any precision instrument.. v$ b: `3 Q( J: P8 n
(1) To avoid the possibility of an explosion, never permit oil to get into any oxygen apparatus.
5 d2 g/ v* d+ B# [5 h7 U" p(2) Never apply pressures to gauges suddenly. Open valves on cylinders slowly.: \8 M$ N. r8 R5 Y1 V2 Y/ a" Z
(3) Do not apply pressures to the full scale of the dial.- ~4 W; N% g# H# e* ]" q
(4) Do not apply full tank pressures with the regulating screw on reducing valves which are screwed all
" O4 k& c, s4 {- sthe way in. Increase the pressure on low-pressure gauges slowly.' d. r$ a' P! | q. a
(5) When installing gauges to apparatus, do not attach a wrench on the pipe threads; use the square9 |5 t, {" N' a+ M
above the pipe threads.
+ P9 P8 f/ q# l7 U( r(6) Handle gauges with care. The mechanism can be damaged or destroyed if they are bumped, jammed4 @- Q& V8 ?: U" m% g6 O# \# V
or allowed to fall on the floor., h0 a. W) R9 M$ y* R* s& z
(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., y- C) R8 Q# t$ D: Z, F* e! G3 i# O0 P
- F6 m" ~9 X1 p& k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
, j% k( @$ H: c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 V c0 E. N$ F2 b
2 y' ~" q9 C0 h4 X+ n& g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?& I4 K5 ?3 Z$ w
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坏了的氧压表要么修、要么换* w3 N( b* T1 |( y
}; |$ ~3 @5 x: u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”?+ u9 l, `, v6 w( A- z
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