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水壓試驗與氣壓試驗設備的區別

發布時間:2017-11-15 17:19:57   發布人:http://www.aiqin1.cn
隨著檢測精度的不同,檢測成本逐步升高,其中包括設備以及正常用的耗材等。根據不同的試驗檢測場合以及檢測精度選擇不同的氣壓檢測方法。
With the different detection accuracy, detection costs gradually increased, including equipment and normal use of consumables. Different air pressure detection methods are selected according to different test occasions and detection accuracy.
1、水壓試驗主要是指用于被測件的整體強度性實驗,一般為正常工作壓力的2倍到1.5倍工作壓力.測試被測件產品的整體耐受壓力的情況。比如氣瓶的水壓壓力試驗水壓試驗為被測件的1.5倍工作壓力,當正常工作壓力為20MPa試驗壓力的時候,水壓強度試驗為30MPa,纏繞氣瓶的試驗壓力略有區別。

1, hydrostatic test mainly refers to the overall strength test for the measured parts, generally 2 times to 1.5 times work pressure of normal working pressure. Testing the overall tolerance pressure of the measured product. For example, the cylinder pressure test, hydraulic pressure test is 1.5 times the work pressure of the measured piece, when the normal working pressure is 20MPa test pressure, the water pressure strength test is 30MPa, the test pressure of the winding cylinder is slightly different.
2、氣壓試驗主要用于檢測件的微小孔泄漏情況,試驗的壓力為正常工作壓力的1.25-1.15倍壓力。常用的方法包括冒泡法、差壓法、直壓法、流量檢測方法、氦氣檢漏等方法。
2. The air pressure test is mainly used to detect the micro hole leakage of the test piece. The test pressure is 1.25-1.15 times pressure of the normal working pressure. Commonly used methods include bubble method, differential pressure method, direct pressure method, flow detection method, helium leak detection and other methods.
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