dry bearing

简明释义

干轴承

英英释义

A dry bearing is a type of mechanical bearing that operates without the use of lubrication, relying on solid materials to reduce friction between moving parts.

干摩擦轴承是一种机械轴承,运作时不使用润滑剂,而是依靠固体材料来减少运动部件之间的摩擦。

例句

1.The engineer recommended using a dry bearing for the new design to reduce maintenance costs.

工程师建议在新设计中使用干式轴承以降低维护成本。

2.He explained that a dry bearing relies on solid lubrication instead of liquid.

他解释说,干式轴承依赖固体润滑而不是液体。

3.In high-temperature environments, a dry bearing can perform better than traditional lubricated bearings.

在高温环境中,干式轴承的表现优于传统的润滑轴承。

4.The factory switched to dry bearings to avoid contamination from lubricants.

工厂改用干式轴承以避免润滑剂污染。

5.For this application, a dry bearing is necessary to ensure a clean operation.

对于这个应用,使用干式轴承是确保清洁操作的必要条件。

作文

In the world of engineering and mechanics, the term dry bearing refers to a type of bearing that operates without the use of lubrication. Unlike traditional bearings that rely on oil or grease to minimize friction between moving parts, dry bearings utilize solid materials such as polymers or composites to reduce wear and tear. This innovation is particularly beneficial in environments where lubrication is difficult to maintain or where contamination could pose a risk. For example, in food processing industries, where cleanliness is paramount, using dry bearings can prevent any potential contamination from lubricants. The advantages of dry bearings are numerous. Firstly, they require less maintenance compared to their lubricated counterparts. Since there is no oil to change or grease to apply, the operational costs associated with regular maintenance are significantly reduced. Secondly, dry bearings can operate effectively in extreme temperatures, both high and low, where traditional lubricants might fail. This makes them ideal for applications in aerospace, automotive, and heavy machinery where reliability is crucial.On the other hand, there are some challenges associated with dry bearing technology. One of the main concerns is the load capacity. While advancements have been made, dry bearings may not support as much weight as traditional bearings. This limitation means that engineers must carefully consider the application and load requirements when selecting bearings for a project. Additionally, the initial cost of dry bearings can sometimes be higher than that of conventional bearings, although this is often offset by the long-term savings in maintenance and operation.Another aspect worth mentioning is the environmental impact of dry bearings. Since they do not require lubricants, they contribute to reducing pollution and waste associated with used oils and greases. This aligns with the growing trend towards sustainability in engineering practices. Companies are increasingly seeking ways to reduce their ecological footprint, and implementing dry bearings can be a step in the right direction.In conclusion, the concept of dry bearing is an important one in modern engineering. It presents a viable alternative to traditional lubricated bearings, offering benefits in maintenance, temperature resilience, and environmental impact. However, it is essential for engineers to weigh the pros and cons based on the specific requirements of their applications. As technology continues to advance, we can expect further innovations in dry bearing design and materials, potentially expanding their applicability across various industries. Understanding and mastering the use of dry bearings will undoubtedly play a crucial role in the future of mechanical engineering.

在工程和机械的世界中,术语干式轴承指的是一种在没有润滑的情况下运行的轴承。与依赖油或脂肪来减少移动部件之间摩擦的传统轴承不同,干式轴承利用聚合物或复合材料等固体材料来减少磨损。这一创新在润滑难以维持或污染可能构成风险的环境中特别有益。例如,在食品加工行业,清洁至关重要,因此使用干式轴承可以防止润滑剂造成的潜在污染。干式轴承的优点有很多。首先,与润滑型轴承相比,它们所需的维护较少。由于没有油需要更换或脂肪需要涂抹,定期维护的运营成本显著降低。其次,干式轴承可以在极端温度下有效工作,无论是高温还是低温,而传统润滑剂可能会失效。这使得它们非常适合航空航天、汽车和重型机械等对可靠性要求极高的应用。另一方面,干式轴承技术也面临一些挑战。其中一个主要问题是承载能力。尽管已经取得了进展,但干式轴承可能无法支持与传统轴承相同的重量。这一限制意味着工程师在选择项目轴承时必须仔细考虑应用和负载要求。此外,干式轴承的初始成本有时可能高于传统轴承,尽管这通常通过长期的维护和运营节省来抵消。另一个值得提及的方面是干式轴承的环境影响。由于它们不需要润滑剂,因此有助于减少与使用油和脂肪相关的污染和废物。这与在工程实践中日益增长的可持续性趋势相一致。公司越来越寻求减少其生态足迹,实施干式轴承可以朝着正确的方向迈出一步。总之,干式轴承的概念在现代工程中是一个重要的概念。它提供了一种可行的替代传统润滑轴承的方法,在维护、温度耐受性和环境影响方面提供了好处。然而,工程师必须根据其应用的具体要求权衡利弊。随着技术的不断进步,我们可以期待在干式轴承设计和材料方面进一步的创新,可能扩展其在各个行业的适用性。理解和掌握干式轴承的使用无疑将在机械工程的未来中发挥重要作用。

相关单词

bearing

bearing详解:怎么读、什么意思、用法