drum gear 中文意思是什麼
drum gear
解釋
轉鼓齒輪-
Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。 -
The relational expression of the speed difference of drum and spiral propeller ( 0 ) and the difference of drum speed and input speed of the differential gear ( 1 ) is derived
由於鉆井液的比重和粘度是隨井下情況變化的不確定值，且現場對鉆井液的處理量時有變化，需隨時調節0或1以調節離心機的處理能力和效果。 -
The revolving of drum can be performed through three transmissions that is : v - belt, chain and gear transmissions. customers can choose any kinds of transmissions
該機備有三角膠帶傳動、鏈傳動和齒輪傳動三種傳動形式供用戶選擇。 -
Domestic and abroad standard and test information of alimak co. for braking distance of antifalling safety device of construction hoist are analyzed. the writers study the application and inspection situation of safety device in our country and put forward a suggestion of reasonable range of braking distance for safety device with gear cone drum
本文分析了有關施工升降機防墜安全器制動距離的國內外標準條文和alimak公司的試驗資料，結合我國施工升降機防墜安全器的應用和檢測情況，提出了修改齒輪錐鼓形防墜安全器制動距離合格範圍的建議。
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