when the defect is located in crossing high above the quantitative defects
已有 660 次阅读 2011-12-30 00:51 标签: ugg outlet
thick-walled high pressure vessel in-service ultrasonic inspection
reflected waves at the near wall should be adequate attention. Generally judged to crack. 3 Quantitative determination of defects and defect assessment of 3.1 Determination of the equivalent wave blending discovered defects crossing detection, the use of before and after the method of moving the probe around to find the defects of the highest return, and then depending on the bow when the probe set missing values. Work out a lack of direct probe to detect the echo of the flat-bottomed glass hole as money, and the angle probe detection, according to the high detection sensitivity set where the defect echo amplitude from a decibel value of regional and wave height. 3.2 Determination of lack of skeletal defects in the instructions indicate the length is the length of the flat surface of the container to detect the direction of moving the probe method with the defect length measured, the measurement method: when the defect is only a reflection crossing the high point. Measurement of its direction with 6dB length, when there are multiple defects in the reflected wave high point, with the endpoint determination of its direction 6dB length, measured in real time,franklin marshall, as far as possible perpendicular to the beam reflection surface defects. And consider the reflection point of the defect, appropriate adjustments to length measuring beam width. To ensure the accuracy of length measurement height of 3.3 lack of iliac height is the determination of defect thickness direction of pull in the size of the container shown in Figure 5, the workpiece defects in F, when the probe is in position A,franklin marshall sale, the measured defect F on the left end surface M M distance h, and then the probe to position B, to detect defects in the lower endpoint of F N N of the outer surface of the workpiece away from the b. Defects in F, the upper and lower endpoints M and N can be used or defective endpoint peak echo wave from the highest wave began with the probe moving down a certain number of decibels (such as drop 6dB or lOdB) method to determine. the value of h and hw can defect,mulberry vesker, the lower endpoint of the M and N echoes the position of the detector scan line from (1), (5) or (6) Li was, the defect height hF = hN -hH. 5 in the actual field measurements. According to the probe positions A and B can also determine the direction of F defects. 3.4 3.4.1 defect records and assessment records to determine the defect should be recorded for the crack of their position, length and height of the straight probe testing, three flat-bottomed hole equivalent defect should be recorded more than a single location, flat-bottomed hole equivalent of more than 2 built-up areas should be charged defect location and size dimensions. Angle probe testing,ralph lauren danmark, the flaw echo height in the quantification of these defects should be recorded down the location (location of the position and depth) and measured the length, height, high defect echo wave equivalent data. A 5 a f, c Henan thermal power construction company first welding technology at the mesa (iv) s,, [:] Summary for my company's Po Shan power plant construction power plant boiler tube butt joint trail-ray detection film spot checks,abercrombie düsseldorf, some of the problems identified, as part of the film geometric resolution and sensitivity Diego less than the requirements of garlic too high or too low negatives, the impact of severe scattering line, etc., on the formation of the causes of these problems with the boat according to the actual process of analysis and testing in comparison to choose the right the connection according to _T-arts conditions in order to improve the quality of film, for the right provide the basis for judging the quality of the weld. Keywords double boiler diameter tube double wall projection method outlined Yong Shi f i f such issues as part of the film geometric unsharpness great spirit ...: Ji Yi-Chi sprouts basket was the first sin was l according to: Lan Fan limonene Bi curse Mexico: the main metaphor; ginger: Du Ka find 'Man Wife hoop iron pot cooking toxic chemicals Kyu Han Du Die Die industry: the amount of poison Mino Wen Lei: limonene Ru ~ it is difficult to meet standards. Po Shan power plant on my company ... a ... ... a ... ~. 3.4.2 Evaluation of the detection of defects found in the following principles can be assessed: 3.4.2.1 does not allow the following defects a) to determine the crack of the defect; b) direct detection probe wave equivalent when greater than 4 defects flat-bottomed hole equivalent diameter of a single defect and flat-bottomed hole equivalent diameter greater than 3 defects in dense areas. c) when the defense defect detection probe wave height in the waste line and sub-contracting above the waste of defects; when the defect is located in crossing high above the quantitative defects; and indicates the length and thickness greater than one-third more than the thickness direction dimension 5ram defects. 3.4.2.2 tracking and detection of defects in addition to the above-6 does not allow defects, other defects are present that could be retained, such as when the actual assessment,ugg outlet, that the above mentioned defects are also not allowed Some defects can still be retained there, you should also be decided by the safety assessment. 'Can be retained for the defect should be ready position,mulberry outlet, length and height,abercrombie madrid, and crossing the high yield equivalent defects, according to records,mulberry, proposed limit pressure, temperature limits, shortening testing cycles to monitor the use and testing requirements in subsequent testing, according to previous times the test results. By comparing and analyzing comprehensive sets,ed hardy vaatteet, to determine whether the original use of the extended defects, such as that extension, then the crack should have been sentenced to waste. Ensure the safe use of high pressure container.
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