軸線測定器 的英文怎麼說
中文拼音 [zhóuxiàncèdìngqì]
軸線測定器
英文
rodometer- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 軸線 : 1 [機械工程] axis; axle; [地質學] axial trace; axial cord; axis shaft line; shaft line 2 [紡織] s...
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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First, the wheelset is fixed and rotated by the device used hi vehicle depot as usual. second, the center line of wheelset axis is determined by a device called axis - center probe. last, the acting device for sensor can draw a whole felloe profile, which is made up of parallel - pole device and rotating - probe
鑒於此,本文給出了一種全新的測量方案:採用車輛段普遍使用的轉輪器實現被測輪對的定位;採用車軸基準探尺測定被測輪對的軸線;採用並聯式伸縮機構和旋轉測頭作為傳感器的執行機構,測定輪輞斷面的輪廓線。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。The attenuators and the sensitivity of detectors are calibrated in varied frequencies. the attenuation of the cable is also calibrated
對晶體檢波器在不同頻率下的礦靈敏度進行了測定;對同軸信號線的衰減量瓣行了標定。We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise
在實驗過程中,改進了對車輪的激振方式,利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼器的結構、安裝方式及其動力學參數對車輪阻尼器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性,確定了車輪阻尼器所要控制的頻率范圍;對比分析不同激振情況下,踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。Key components in the insulation line : high precision extrusion crosshead with automatic centring produced by swiss unitek, o. d. meter, centrifugal tester, h. f. spark tester, capacitance tester provided by uk beta co., frequency converter, temperature controller, plc and bearing from simens in germany and mitsubishi injapan
生產線選用的主要關鍵器件:擠出機頭採用瑞士unitek公司的高精度自動定心機頭;外徑測試、偏心測定、高頻火花、電容測試等均採用英國beta公司的高精度儀器;而且擠出機的變頻器、溫控器、 plc和軸承等均採用德國西門子公司和日本三菱公司的產品。But considering the influence of artillery goal mensuration, computer calculate and artillery following system, the axis of artillery pipe and goal have deviation, this error is dynamic tracking error
但由於火炮目標測定器、計算機解算、火炮隨動系統等環節的影響,火炮身管的軸線與目標存在偏差,該項誤差即為動態跟蹤誤差。分享友人