dial indicator

简明释义

拨号盘速度指示器千分表

英英释义

例句

1.He used a dial indicator 指示表 to measure the runout of the wheel.

他使用指示表测量轮子的跳动。

2.To measure the thickness of the metal sheet, we used a dial indicator 指示表 to ensure precision.

为了测量金属板的厚度，我们使用了一个指示表来确保精确。

3.The dial indicator 指示表 showed a deviation of 0.01 mm.

该指示表显示偏差为0.01毫米。

4.When calibrating the lathe, it's essential to check with a dial indicator 指示表 for accuracy.

在校准车床时，使用指示表检查准确性是必不可少的。

5.The technician adjusted the machine using a dial indicator 指示表 to align the parts correctly.

技师使用指示表调整机器，以正确对齐部件。

作文

In the world of precision engineering and manufacturing, accurate measurements are crucial for ensuring the quality and performance of products. One of the essential tools used in this field is the dial indicator, which is a measuring instrument designed to provide precise readings of small distances or variations in height. The dial indicator consists of a dial face with a needle that moves in response to changes in the position of a probe or stylus attached to it. This tool plays a vital role in various applications, including machining, assembly, and quality control processes.The functionality of the dial indicator lies in its ability to measure minute changes in dimensions with great accuracy. For instance, when setting up a machine tool, an engineer may use a dial indicator to ensure that the workpiece is aligned correctly. By placing the probe against the surface of the workpiece and rotating the dial, the engineer can detect any deviations from the desired position. This process helps prevent errors that could lead to defective parts or costly rework.Moreover, the dial indicator is invaluable in the field of mechanical engineering, where it is often used to check the flatness of surfaces, the roundness of shafts, and the alignment of components. For example, during the assembly of a machine, technicians may utilize a dial indicator to verify that two mating parts fit together properly. Any misalignment can be detected quickly, allowing for adjustments to be made before final assembly.In addition to its practical applications, the dial indicator also serves as an educational tool in engineering courses. Students learning about metrology—the science of measurement—often use dial indicators to gain hands-on experience with measurement techniques. Understanding how to read and interpret the dial is a fundamental skill for aspiring engineers, as it lays the groundwork for more advanced measurement concepts.While digital measuring instruments have become increasingly popular in recent years, the dial indicator remains a staple in many workshops and laboratories. Its simplicity, durability, and ease of use make it a preferred choice for many professionals. Additionally, the analog nature of the dial indicator allows users to develop a better intuition for measurements, as they can visually gauge the extent of any deviation.In conclusion, the dial indicator is an indispensable tool in the realm of precision measurement. Its ability to provide accurate readings of small changes in dimension makes it essential for engineers and technicians alike. Whether it is used in a manufacturing environment, during assembly, or as a teaching aid, the dial indicator continues to play a significant role in ensuring the quality and precision of engineered products. As technology evolves, it is important to recognize the enduring value of traditional measuring tools like the dial indicator, which have stood the test of time and remain relevant in modern engineering practices.

在精密工程和制造的世界中，准确的测量对于确保产品的质量和性能至关重要。这个领域中使用的基本工具之一是指针式测量仪，它是一种测量仪器，旨在提供小距离或高度变化的精确读数。指针式测量仪由一个表盘和一个针组成，针在探头或触头位置变化时移动。这个工具在各种应用中发挥着重要作用，包括机械加工、组装和质量控制过程。指针式测量仪的功能在于其能够以极高的精度测量微小的尺寸变化。例如，在设置机器工具时，工程师可能会使用指针式测量仪来确保工件正确对齐。通过将探头放置在工件表面并旋转表盘，工程师可以检测到任何与期望位置的偏差。这个过程有助于防止导致缺陷零件或昂贵返工的错误。此外，指针式测量仪在机械工程领域也是不可或缺的，通常用于检查表面的平整度、轴的圆度和组件的对齐。例如，在机器的组装过程中，技术人员可能会利用指针式测量仪来验证两个配合部件是否正确结合。任何不对齐都能迅速被发现，从而在最终组装之前进行调整。除了其实用应用，指针式测量仪在工程课程中也作为教育工具。学习计量学（测量科学）的学生通常使用指针式测量仪来获得实际的测量技术经验。理解如何读取和解释表盘是未来工程师的一项基本技能，因为这为更高级的测量概念奠定了基础。尽管近年来数字测量仪器越来越受欢迎，但指针式测量仪仍然是许多车间和实验室的主流。其简单性、耐用性和易用性使其成为许多专业人士的首选。此外，指针式测量仪的模拟特性使用户能够更好地直观理解测量，因为他们可以直观地评估任何偏差的程度。总之，指针式测量仪在精密测量领域是不可或缺的工具。它提供对小尺寸变化的准确读数，使其对工程师和技术人员来说至关重要。无论是在制造环境中、组装过程中，还是作为教学辅助工具，指针式测量仪继续在确保工程产品的质量和精度方面发挥重要作用。随着技术的发展，认识到传统测量工具如指针式测量仪的持久价值也很重要，这些工具经受住了时间的考验，仍在现代工程实践中保持相关性。