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330850-90-05 25毫米傳感器系統(tǒng)
330850-90-05 25毫米傳感器系統(tǒng)由一個(gè)單獨(dú)的25毫米探頭，一根延長電纜和一個(gè)330850-90-05 25毫米proximitor傳感器組成。0.787 V/mm (20 mV/mil)輸出使該系統(tǒng)的線性范圍為12.7 mm (500 mil)。基于此線性范圍，330850-90-05 25毫米傳感器系統(tǒng)適用于測量由渦輪轉(zhuǎn)子和機(jī)器定子(殼體)之間的增長率差異引起的中型到大型蒸汽渦輪發(fā)電機(jī)的微分膨脹(DE)。
差速膨脹測量是由兩個(gè)接近傳感器觀察距推力軸承一定距離的環(huán)或斜坡進(jìn)行的。典型的傳感器安裝方式有:
兩個(gè)傳感器觀察一個(gè)項(xiàng)圈的同一側(cè)。
兩個(gè)互補(bǔ)的輸入傳感器觀察一個(gè)項(xiàng)圈的相對(duì)兩側(cè)，有效地加倍可測量DE范圍。
兩個(gè)換能器，至少有一個(gè)換能器觀察轉(zhuǎn)子上的斜坡，第二個(gè)換能器觀察單獨(dú)的斜坡或轉(zhuǎn)子上的不同位置，以補(bǔ)償徑向運(yùn)動(dòng)。這種安排給測量增加了一些誤差，但可以測量比互補(bǔ)測量更長的總DE距離。
選擇安裝方法的標(biāo)準(zhǔn)是可用目標(biāo)的大小，轉(zhuǎn)子軸向運(yùn)動(dòng)的預(yù)期量和機(jī)器中存在的DE目標(biāo)的類型(領(lǐng)與坡道)。如果有足夠的接箍高度，兩個(gè)傳感器觀察一個(gè)接箍的同一側(cè)是首選配置。這兩個(gè)傳感器提供冗余測量。
330850-90-05 25毫米傳感器系統(tǒng)
The 330850-90-05 25 mm Transducer System consists of a separate25 mm probe, an extension cable, and a 330850-90-05 25 mmProximitor Sensor.? The 0.787 V/mm (20 mV/mil) output givesthis system a linear range of 12.7 mm (500 mils).? Based onthis linear range, the 330850-90-05 25 mm Transducer System issuitable for measuring differential expansion (DE) on midsize to large steam turbine generators caused by thedifference in growth rates between the turbine rotor and themachine stator (casing).
The Differential Expansion measurement is made by twoproximity transducers observing a collar or ramp somedistance from the thrust bearing.? Typical transducermounting arrangements are:
l Two transducers observing the same side of a collar.
l Two complementary input transducers observingopposite sides of a collar, effectively doubling themeasurable DE range.
Two transducers with at least one transducer viewing a rampon a rotor and the second transducer viewing either aseparate ramp or a different location on the rotor tocompensate for radial movement.? This arrangement addssome error to the measurement, but can measure a longertotal DE distance than the complementary measurement.
The criteria for selecting a mounting method are the size ofthe available target, the expected amount of rotor axialmovement and the type of DE target that exists in themachine (collar versus ramp).? If sufficient collar height isavailable, two transducers observing the same side of a collar is the preferred configuration.? These twotransducers provide redundant measurements.
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成都陽光不斷創(chuàng)新致力于提升停產(chǎn)的自動(dòng)化零件供應(yīng)水平，無論客戶身處何地，無論所需配件多么稀有，我們總能將客戶與所需產(chǎn)品緊密連接 ，成都陽光零部件覆蓋廣泛。
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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed
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