为探究异构减速箱齿轮啮合区浸油程度对搅油损失的影响规律,采用移动粒子半隐式法(MPS)对8种异构减速箱搅油模型以及基于不同转向、齿轮啮合区不同浸油程度条件的搅油模型进行模拟仿真.结果 表明:啮合区浸油程度与油液波动、速度以及搅油损失成正相关,顺时针比逆时针转向下齿轮啮合区搅油量更大,转向与浸油程度的变化均引起啮合区油量变化从而导致齿轮啮合损失变化;浸油程度变化也会致使齿轮阻力损失变化,表明搅油总损失的大小主要受参数变化的影响,且齿轮啮合损失和阻力损失各自所占比重随参数而改变,需对单一或多变量具体分析.

：Oil churning losses have a significant influence on lubricating performance, transmission stability, and energy-saving economy of transmission systems.Research on the predicting and controlling methods of gear churning losses contributes the optimal design and energy saving of the transmission system.Studies show that oil churning losses occupy more than 50% of total power losses of reducers/gearboxes under high speed condition, and that churning losses change significantly with the lubricating condition, geometrical structure, and working condition.Churning losses is complex in mechanism and involve extensive factors, therefore exploring its mechanism and mastering energy consumption characteristics is the recent research difficulties and hotspots.Lots of researches focused on the modeling and application of oil churning losses, but many of them aimed at some a special working condition and lacked universality and systematisms.Thus, it is necessary to thoroughly discuss and summarize churning losses.By combining recent research progress in theory, simulation and bench test, the churning losses are studied based on quantitative and qualitative analysis on different influence factors.Modeling methods and applications are emphasized and the methods of reducing churning losses are given in detail.

以搅油问题为例,分别对网格法和MPS法的算法、数值方程、计算效率和仿真结果进行比较.结果表明:两种方法均能捕捉到自由面变化状况,由网格法计算所获得的自由面形状更加光滑,而MPS法中粒子的分布比较凌乱,油液的溅射比较明显;在计算结果方面,两种方法所计算的齿轮搅油损失与实验结果相吻合;在计算效率上MPS法比网格法更高,且MPS法能给出更高的计算精度.通过网格法与MPS法的比较,为具体问题选用不同的计算方法提供了依据.

为了提高减速器产品的设计质量和效率,设计了一种基于单级直齿轮减速器的优化系统.该系统以单级直齿轮减速器设计理论、人工智能和数据库技术为基础,采用结构化分析、设计和面向对象的方法,进行软件系统的分析设计,以确保系统的开发质量、可靠性与实用性.为证明该系统的可行性,以此系统设计的直齿轮减速器为例进行验证,结果表明,系统的可行性较好.