dial indicator

简明释义

拨号盘速度指示器

英英释义

例句

1.He placed the dial indicator on the surface to check for flatness.

他将表盘指示器放在表面上以检查平整度。

2.The technician used a dial indicator to measure the runout of the rotating shaft.

技术员使用表盘指示器来测量旋转轴的跳动。

3.In quality control, a dial indicator is essential for precise measurements.

在质量控制中，表盘指示器对精确测量至关重要。

4.The dial indicator showed a deviation of 0.002 inches, which is acceptable.

该表盘指示器显示偏差为0.002英寸，这是可以接受的。

5.To ensure accuracy, always calibrate your dial indicator before use.

为确保准确性，使用前请始终校准您的表盘指示器。

作文

In the world of precision engineering and manufacturing, accuracy is paramount. One of the essential tools that engineers and machinists rely on to ensure their measurements are precise is the dial indicator. A dial indicator is a measuring instrument used to measure small distances and angles with high accuracy. It consists of a graduated dial and a probe that extends from it, allowing users to gauge minute variations in measurements. This tool is invaluable in various applications, including machining, assembly, and quality control.The operation of a dial indicator is relatively straightforward. When the probe makes contact with the surface being measured, any movement or deviation causes the needle on the dial to move. The dial is marked with graduations that indicate the amount of movement, typically in thousandths of an inch or millimeters. This allows for quick and easy reading of measurements, making it an ideal tool for tasks that require high precision.One of the most common uses of a dial indicator is in the setup of machine tools. For instance, when setting up a lathe or milling machine, it is crucial to ensure that the workpiece is aligned correctly. By using a dial indicator, machinists can accurately determine whether the workpiece is level or if there are any discrepancies that need to be corrected. This not only improves the quality of the finished product but also extends the life of the machinery by reducing wear and tear caused by misalignment.Another significant application of the dial indicator is in the field of quality control. In manufacturing environments, products must meet specific tolerances to ensure functionality and safety. Quality control inspectors use dial indicators to verify that components meet these tolerances. For example, when inspecting a batch of gears, an inspector may use a dial indicator to check the runout of a gear's surface. This measurement helps identify any defects that could lead to failure in a mechanical system.Furthermore, the versatility of the dial indicator allows it to be used in various contexts beyond traditional machining. For example, in automotive repair, mechanics use dial indicators to measure engine components' alignment and wear. In scientific research, they may be employed to measure deflections in materials under stress. This adaptability makes the dial indicator an essential tool across multiple industries.Despite the advent of digital measuring instruments, the dial indicator remains popular among professionals. Many users appreciate the simplicity and reliability of analog readings. Additionally, dial indicators do not require batteries, making them a practical choice for environments where power sources may be limited.In conclusion, the dial indicator is a critical instrument in the toolkit of engineers, machinists, and quality control inspectors. Its ability to provide precise measurements makes it indispensable in ensuring the accuracy and quality of manufactured products. As technology continues to advance, the dial indicator will undoubtedly remain a trusted tool, bridging the gap between traditional craftsmanship and modern engineering practices.

在精密工程和制造的世界中，准确性至关重要。工程师和机械师依赖的一种基本工具，以确保其测量精确的是指针式测量仪。指针式测量仪是一种用于以高精度测量小距离和角度的测量仪器。它由一个带刻度的表盘和一个从中伸出的探头组成，使用户能够测量微小的测量变化。这种工具在各种应用中都是不可或缺的，包括机械加工、组装和质量控制。指针式测量仪的操作相对简单。当探头与被测表面接触时，任何移动或偏差都会导致表盘上的指针移动。表盘上标有刻度，指示移动的量，通常以千分之一英寸或毫米为单位。这使得快速和轻松地读取测量成为可能，使其成为需要高精度的任务的理想工具。指针式测量仪最常见的用途之一是在机床的设置中。例如，在设置车床或铣床时，确保工件正确对齐至关重要。通过使用指针式测量仪，机械师可以准确确定工件是否水平，或者是否需要纠正任何差异。这不仅提高了成品的质量，还通过减少由于不对齐造成的磨损延长了机器的使用寿命。指针式测量仪的另一个重要应用是在质量控制领域。在制造环境中，产品必须符合特定公差，以确保功能和安全性。质量控制检查员使用指针式测量仪来验证组件是否符合这些公差。例如，在检查一批齿轮时，检查员可能会使用指针式测量仪来检查齿轮表面的跳动。这一测量有助于识别可能导致机械系统故障的缺陷。此外，指针式测量仪的多功能性使其可以在传统机械加工之外的各种背景中使用。例如，在汽车维修中，机械师使用指针式测量仪来测量发动机部件的对齐和磨损。在科学研究中，它们可能用于测量材料在应力下的挠度。这种适应性使得指针式测量仪成为多个行业中必不可少的工具。尽管数字测量仪器的出现，指针式测量仪在专业人士中仍然很受欢迎。许多用户欣赏模拟读数的简单性和可靠性。此外，指针式测量仪不需要电池，这使得它们在电源可能有限的环境中成为一种实用选择。总之，指针式测量仪是工程师、机械师和质量控制检查员工具包中的关键仪器。它提供精确测量的能力，使其在确保制造产品的准确性和质量方面不可或缺。随着技术的不断进步，指针式测量仪无疑将继续作为一种值得信赖的工具，架起传统工艺与现代工程实践之间的桥梁。