sine bar

简明释义

正弦规

英英释义

例句

1.A sine bar is essential for achieving precise angular measurements in mechanical engineering.

sine bar在机械工程中对于实现精确的角度测量是必不可少的。

2.The engineer used a sine bar to measure the angle of the machined part accurately.

工程师使用sine bar准确测量加工件的角度。

3.When using a sine bar, ensure that the surface is perfectly flat.

使用sine bar时，确保表面完全平坦。

4.To set up the machine, we need to calibrate the sine bar first.

为了设置机器，我们需要先校准sine bar。

5.He demonstrated how to use a sine bar during the workshop.

他在研讨会上演示了如何使用sine bar。

作文

The world of precision engineering is filled with various tools and instruments that help machinists achieve the highest levels of accuracy. One such tool that is essential in this field is the sine bar, a device used for measuring angles with great precision. Understanding the function and application of the sine bar is crucial for any aspiring engineer or machinist. A sine bar typically consists of a flat surface with two cylindrical rollers mounted on its ends. The distance between these rollers is known precisely, which allows for the calculation of angles based on the height of a workpiece placed on the bar. To use a sine bar, one must first set it up on a level surface, ensuring that it is stable and secure. Once in position, the machinist can then place the workpiece against the sine bar. The angle of the workpiece can be determined by measuring the height of the workpiece at one end and using trigonometric principles to calculate the angle. The beauty of the sine bar lies in its simplicity and effectiveness. By utilizing the sine function from trigonometry, engineers can derive angles that are often critical in manufacturing processes. For instance, when creating components that require specific angular measurements, the sine bar provides a reliable means of achieving those specifications. This is particularly important in industries where tolerances are tight, such as aerospace and automotive manufacturing. In addition to measuring angles, the sine bar can also be used in conjunction with other tools, such as dial indicators, to ensure even greater accuracy. When paired with a dial indicator, the machinist can measure the deviation from the desired angle, allowing for precise adjustments to be made. This combination of tools is invaluable in the quality control process, helping to maintain the high standards required in modern manufacturing. Moreover, the sine bar is not limited to just one type of measurement. It can be used to set angles for milling machines, lathes, and other machining equipment. This versatility makes it a staple in workshops around the world. Whether it is for setting up a machine for a specific task or for checking the accuracy of a finished product, the sine bar proves to be an indispensable tool. In conclusion, the sine bar is a fundamental instrument in the field of precision engineering. Its ability to measure angles accurately and its compatibility with other measuring tools make it a vital asset for machinists and engineers alike. As technology continues to advance, the principles behind the sine bar remain relevant, showcasing the importance of traditional tools in modern industry. Mastering the use of the sine bar is not only beneficial for achieving precision but also for developing a deeper understanding of the mathematical principles that govern engineering practices. In summary, the sine bar is more than just a tool; it is a bridge between mathematics and practical engineering, embodying the essence of accuracy and precision in manufacturing processes.

精密工程的世界充满了各种工具和仪器，帮助机械师达到最高的准确性。其中一种在这个领域中至关重要的工具是sine bar，一种用于精确测量角度的设备。理解sine bar的功能和应用对于任何有志于成为工程师或机械师的人来说都是至关重要的。 sine bar通常由一个平坦的表面和两端安装的圆柱形滚轮组成。这些滚轮之间的距离是精确已知的，这使得可以根据放置在条上的工件的高度来计算角度。使用sine bar时，首先必须将其设置在水平表面上，确保其稳定和安全。位置确定后，机械师可以将工件放置在sine bar上。工件的角度可以通过测量工件一端的高度并利用三角学原理来计算角度。 sine bar的美在于其简单性和有效性。通过利用三角学中的正弦函数，工程师可以推导出在制造过程中常常至关重要的角度。例如，在创建需要特定角度测量的组件时，sine bar提供了一种可靠的方法来实现这些规格。这在航空航天和汽车制造等公差严格的行业中尤为重要。 除了测量角度外，sine bar还可以与其他工具（如指示表）结合使用，以确保更高的准确性。当与指示表配对时，机械师可以测量与所需角度的偏差，从而进行精确调整。这种工具组合在质量控制过程中是无价的，有助于维持现代制造所需的高标准。 此外，sine bar不仅限于一种类型的测量。它可以用于设置铣床、车床和其他机加工设备的角度。这种多功能性使其成为全球车间的主力军。无论是为特定任务设置机器，还是检查成品的准确性，sine bar都证明是不可或缺的工具。 总之，sine bar是精密工程领域的基本仪器。它准确测量角度的能力以及与其他测量工具的兼容性，使其成为机械师和工程师的重要资产。随着技术的不断进步，sine bar背后的原理依然相关，展示了传统工具在现代工业中的重要性。掌握sine bar的使用不仅有利于实现精度，还有助于深入理解支配工程实践的数学原理。 总而言之，sine bar不仅仅是一个工具；它是数学与实际工程之间的桥梁，体现了制造过程中准确性和精确性的本质。