dedendum circle

简明释义

齿根圆

英英释义

The dedendum circle is the circle that defines the bottom profile of a gear tooth, representing the distance from the pitch circle to the root of the tooth.

dedendum circle是定义齿轮齿底轮廓的圆,表示从基圆到齿根的距离。

例句

1.When calculating the dimensions of a gear, it is crucial to measure the dedendum circle accurately.

在计算齿轮尺寸时,准确测量根圆至关重要。

2.The gear's tooth profile is designed to fit perfectly within the dedendum circle, ensuring smooth operation.

齿轮的齿形设计完美契合于根圆,确保平稳运转。

3.The dedendum circle is essential for ensuring that the gear meshes correctly with another gear.

根圆对于确保齿轮与另一齿轮正确啮合至关重要。

4.During the design phase, engineers must consider the dedendum circle to avoid interference with neighboring gears.

在设计阶段,工程师必须考虑根圆以避免与邻近齿轮干涉。

5.The dedendum circle determines the depth of the gear teeth, affecting the overall strength.

根圆决定了齿轮齿深,影响整体强度。

作文

In the field of mechanical engineering, gears play a crucial role in the transmission of power and motion. When designing gears, understanding various terminologies is essential for ensuring their proper function. One such term that often arises in gear design is the dedendum circle. The dedendum circle refers to the diameter of the circle that defines the lowest point of the teeth on a gear. This circle is critical because it determines how far the tooth extends below the pitch circle, which is the theoretical circle that represents the point where two gears effectively engage with one another.The significance of the dedendum circle cannot be overstated. It plays a vital role in determining the strength and durability of the gear. If the dedendum circle is too small, the gear teeth may not have enough material to withstand the forces exerted upon them during operation. This can lead to premature wear or even failure of the gear. Conversely, if the dedendum circle is excessively large, it may result in unnecessary weight and size of the gear, making it less efficient and more challenging to integrate into machinery.Moreover, the relationship between the dedendum circle and the other circles associated with gears, such as the pitch circle and addendum circle, is fundamental to gear design. The addendum circle defines the topmost point of the gear teeth, while the pitch circle is where the gears theoretically mesh. Understanding these relationships allows engineers to create gears that not only fit well together but also operate smoothly under various loads.In practical applications, the dimensions of the dedendum circle are typically calculated based on the desired gear ratio and the type of load the gear will experience. For instance, in heavy machinery, where high torque and load are common, a larger dedendum circle might be favorable to ensure that the gear teeth can handle the stress without failing. On the other hand, in applications where space is a constraint, such as in compact electronic devices, a smaller dedendum circle may be necessary, requiring careful consideration of the materials used to ensure strength despite reduced size.Additionally, when designing gears for specific applications, engineers must also consider factors such as lubrication, heat dissipation, and the materials used in manufacturing the gears. The dedendum circle influences how well the gear can be lubricated and how heat is dissipated during operation. A well-designed dedendum circle can contribute to the overall efficiency and longevity of the gear system.In conclusion, the dedendum circle is an essential aspect of gear design that influences the performance and reliability of mechanical systems. By understanding its significance and carefully considering its dimensions in relation to other gear features, engineers can create effective and durable gears that meet the demands of various applications. As technology continues to advance, the importance of precise gear design, including the dedendum circle, will remain a critical focus in the field of mechanical engineering.

在机械工程领域,齿轮在动力和运动的传输中扮演着至关重要的角色。在设计齿轮时,理解各种术语对于确保其正常功能至关重要。其中一个常见的术语是dedendum circlededendum circle指的是定义齿轮上齿尖最低点的圆的直径。这个圆是关键,因为它决定了齿轮齿轮在基准圆以下延伸的距离,而基准圆是表示两个齿轮有效啮合的理论圆。dedendum circle的重要性不容小觑。它在确定齿轮的强度和耐用性方面发挥着重要作用。如果dedendum circle过小,齿轮齿可能没有足够的材料来承受操作期间施加的力量。这可能导致齿轮提前磨损甚至失效。相反,如果dedendum circle过大,可能导致齿轮的重量和尺寸不必要地增加,使其效率降低并更难与机械集成。此外,dedendum circle与齿轮相关的其他圆(如基准圆和添加圆)之间的关系对齿轮设计至关重要。添加圆定义了齿轮齿的最顶部,而基准圆是齿轮理论上啮合的地方。理解这些关系使工程师能够创建不仅能很好配合而且在各种负载下平稳运行的齿轮。在实际应用中,dedendum circle的尺寸通常根据所需的齿轮比和齿轮将经历的负载类型进行计算。例如,在重型机械中,高扭矩和负载很常见,较大的dedendum circle可能是有利的,以确保齿轮齿能够承受压力而不发生故障。另一方面,在空间受限的应用中,例如紧凑的电子设备,可能需要较小的dedendum circle,这就需要仔细考虑所使用的材料,以确保尽管尺寸减小但仍具备强度。此外,在为特定应用设计齿轮时,工程师还必须考虑润滑、热散发和制造齿轮所用材料等因素。dedendum circle影响齿轮的润滑效果以及在操作过程中热量的散发。设计良好的dedendum circle可以有助于整个齿轮系统的效率和寿命。总之,dedendum circle是齿轮设计中的一个基本方面,它影响机械系统的性能和可靠性。通过理解其重要性并仔细考虑其尺寸与其他齿轮特征的关系,工程师可以创建满足各种应用需求的有效和耐用的齿轮。随着技术的不断进步,精确齿轮设计的重要性,包括dedendum circle,将继续成为机械工程领域的重点。