out of roundness

简明释义

不圆度

英英释义

例句

1.During the quality inspection, several parts were found to be out of roundness, requiring re-machining.

在质量检查中，发现几个部件存在不圆度的问题，需要重新加工。

2.If the shaft is out of roundness, it may not fit properly into the housing.

如果轴存在不圆度，可能无法正确地装入外壳。

3.The technician used a dial gauge to measure the out of roundness of the wheel.

技术员使用表盘规测量轮子的不圆度。

4.A component that is out of roundness can cause vibrations in machinery.

一个不圆度的部件可能会导致机器振动。

5.The engineer noticed that the bearing was out of roundness, which could lead to premature failure.

工程师注意到轴承存在不圆度的问题，这可能导致提前失效。

作文

In the world of manufacturing and engineering, precision is paramount. One of the common issues that engineers and machinists face is the problem of components being out of roundness. This term refers to a condition where a circular object, such as a shaft or a bearing, deviates from a perfect circle. When a part is out of roundness, it can lead to various problems, including increased wear and tear, vibration, and ultimately, failure of the machinery. Understanding what causes parts to be out of roundness is essential for ensuring the reliability and longevity of mechanical systems.The causes of out of roundness can be varied. One common reason is improper machining processes. If a component is not machined correctly, it may not maintain its intended shape. For instance, if a lathe is not calibrated properly, it can produce a workpiece that is out of roundness. Similarly, if the cutting tools are dull or worn, they may not cut evenly, leading to irregularities in the shape of the part.Another factor that can contribute to out of roundness is thermal expansion. When materials are heated, they tend to expand. If a component is subjected to uneven heating during manufacturing or operation, it can warp and become out of roundness. This is particularly critical in high-speed applications where heat generation is significant.To prevent parts from being out of roundness, manufacturers employ several techniques. First, they ensure that their machinery is regularly maintained and calibrated. This includes checking the alignment of lathes and milling machines and replacing worn-out cutting tools. Additionally, manufacturers often use advanced measurement tools, such as laser scanners and coordinate measuring machines (CMM), to detect any deviations in roundness during production.Furthermore, quality control measures are implemented at various stages of production. By inspecting components at multiple points in the manufacturing process, engineers can identify and rectify issues before they escalate. This proactive approach helps to minimize the occurrence of parts being out of roundness.In conclusion, the issue of parts being out of roundness is a significant concern in the fields of manufacturing and engineering. It can lead to severe operational problems if not addressed. By understanding the causes and implementing effective prevention methods, manufacturers can ensure that their products meet the required specifications and perform reliably over time. As technology continues to advance, the ability to maintain precision in manufacturing will only improve, reducing the likelihood of encountering out of roundness in future designs.

在制造和工程的世界中，精确性至关重要。工程师和机械师面临的一个常见问题是零部件出现不圆度的问题。这个术语指的是一个圆形物体，如轴或轴承，偏离完美圆形的状态。当一个部件不圆度时，可能会导致各种问题，包括磨损加剧、振动，最终导致机械故障。理解导致部件不圆度的原因对于确保机械系统的可靠性和耐用性至关重要。造成不圆度的原因可能有很多。一个常见的原因是加工过程不当。如果一个组件的加工不正确，它可能无法保持其预期的形状。例如，如果车床的校准不正确，它可能会生产出一个不圆度的工件。同样，如果切削工具钝化或磨损，它们可能无法均匀切割，从而导致部件形状的不规则性。另一个可能导致不圆度的因素是热膨胀。当材料被加热时，它们往往会膨胀。如果一个组件在制造或操作过程中受到不均匀加热，它可能会变形而变得不圆度。这在高速应用中尤其关键，因为热量产生显著。为了防止部件出现不圆度，制造商采用几种技术。首先，他们确保其机械设备定期维护和校准。这包括检查车床和铣床的对准情况，并更换磨损的切削工具。此外，制造商通常使用先进的测量工具，如激光扫描仪和坐标测量机（CMM），在生产过程中检测任何圆度偏差。此外，在生产的各个阶段实施质量控制措施。通过在制造过程的多个点检查组件，工程师可以在问题升级之前识别并纠正问题。这种主动的方法有助于最小化部件出现不圆度的情况。总之，部件出现不圆度的问题在制造和工程领域是一个重要的关注点。如果不加以解决，可能会导致严重的操作问题。通过理解原因并实施有效的预防措施，制造商可以确保其产品符合所需规格，并在长期内可靠地运行。随着技术的不断进步，保持制造精度的能力将不断提高，减少未来设计中遇到不圆度的可能性。