Surveys showing faster-than-expected jobs growth and a boost for the services sector bolstered confidence that the US economic recovery has shifted to a higher gear. 显示就业增长速度快于预期以及服务业加速增长的调查报告,提振了投资者对于美国经济复苏步伐加快的信心。
A gear sector is meshed with the worm gear; rotation of the worm gear causes the gear sector to rotate. 蜗杆齿带动齿扇转动,齿扇与蜗杆齿啮合,这使的与齿扇相连接的转向摇臂左右摆动。
The outdoor sector is a favourite of apparel brands who see it as a way of reaching well-off consumers who spend in spite of economic uncertainty, even if many never wear their gear near a forest or a mountain. 服装品牌十分青睐户外领域,将其视为接触高收入消费者的一种途径。这些消费者哪怕在经济面临不确定性时也会继续消费,即便其中很多人从来不会穿着这些服装走近森林或山脉。
Recirculating ball-rack and sector steering gear 循环球齿条齿扇式转向器
Theoretical Analysis on Slip and Contact Stress Characteristics of Tooth Flanks of Rack and Sector Gear with Variable Ratio 变速比变厚齿扇齿面滑移及接触应力特性的理论分析
The precision forging process for the steering sector gear shaft is discussed in the paper. The principle and the path of forming of the hot extruding and upsetting are also discussed. 介绍了热挤镦加热精整汽车转向机摇臂轴精锻成形工艺,对热挤镦的成形原理及变形过程进行了分析探讨。
Starting from the mechanisms such as gearing principle, relative motion and hysteresis phenomenon etc, the paper sets forth the rules of motion of eccentrical gear sector pair of nonlinear variable speed ratio steering gear and deduces out mathematical model between main geometrical parameters. 从齿轮原理、相对运动和滞后现象等机理出发,阐述了非线性变速比转向器偏心齿扇副的运动规律,推导出主要几何参数之间的数学模型。
This paper presents the working principles of power steering gear when the vehicle is straight-line running and left or right turning, as well as the requirements of its maintenance and adjustment, such as the pretightening of screw plug and engagement Condition between gear rack-piston and sector gear. 介绍了汽车直行及左、右转向时,动力转向器工作原理,以及维护作业要求和调整螺塞预紧度、齿条一活塞与齿扇啮合状态的调整方法。
The application of sector gear driving to rotary distributor 不完全齿轮传动在旋转分配器上的应用
Geometric Analysis on Gear Sector of Recirculating Ball Type Variable-Ratio Steering Gear 变传动比循环球转向器轴齿扇的几何分析
A Study on the Machining of Gear Sector for Steering Gear with Variable Ratio A TOOTH WHITENING REVOLUTION 变速比齿扇加工原理的研究美齿革命
A New CNC System for Variable Ratio Sector Gear Shaping Precision Forging Technology for the Steering Sector Gear Shaft 变速比齿扇插齿加工的新型CNC系统汽车转向机摇臂轴精锻成形工艺
Through the analyzing about the character of sector gear machining and the principle of ball recirculating steering gear, it is deduced that machining principle and mathematic model of variety of sector gears. 分析了齿轮插齿加工的特点,并根据循环球式转向器的工作原理推导出定比、变比、定比鼓形和变比鼓形扇形齿轮的加工原理和数学模型。
The gear sector of variable transmission ratio in automobile steering mechanism is a variable module non-circular gear. 变传动比汽车转向器齿扇是变模数的非圆齿轮。
In the railway sector, with the rapid development of high iron, the high speed of the train have very high demands for the gears transmission and the stability of the gear strength requirement and its life. 在铁路领域,随着高铁的高速发展,列车速度的提高对其中的齿轮传动的平稳性的要求很高,对齿轮的强度要求和其寿命要求严格。
Automobile sector gear shaft is mainly applied to the steering system of high-end commercial vehicles, which are the important parts of the steering system and the safe core parts. 汽车扇形齿轮轴主要应用于高档商用汽车的转向系统,是转向系统的重要零部件,属于汽车的核心安全零部件。
Propose measures to improve the wear life of gear shaft hot forging die based on the numerical simulation analysis, so as to propose scientific guidance for sector gear shaft process and die optimization design. 在数值模拟分析的基础上,提出了提高齿轮轴热锻模具磨损寿命的措施,为扇形齿轮轴工艺及模具的优化设计提供了科学指导。