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The 7th International Conference on Gears 2017 will be held in Garching near Munich at the Gear Research Centre (FZG) of the Technical University of Munich from September 13th to 15th, 2017. Supported...
Geometry Design and Tooth Contact Analysis of Crossed Beveloid Gears for Marine Transmissions
beveloid gears loaded tooth contact analysis crossed axes marine transmission
2011/8/5
Beveloid gears, also known as conical gears, gain more and more importance in industry practice due to their abilities for power transmission between parallel, intersected and crossed axis.
Design and Dynamics Analysis of Anti-skid Braking System for Aircraft with Four-wheel Bogie Landing Gears
anti-skid braking system four-wheel bogie landing gear
2011/8/4
In asymmetric conditions, the movement and loads of left/right wheels or front/back wheels of the aircraft with multi-wheel or four-wheel bogie landing gears are inconsistent. There are few open liter...
前插式直齿双控制分插机构设计与运动分析(Design and Kinematic Analysis of Double Controlled Forward Transplanting Mechanism with Spur Gears)
高速插秧机 分插机构 运动学分析
2010/12/28
阐述了水稻高速插秧机前插式直齿双控制分插机构设计方法和工作原理,建立了机构的运动学分析模型,使用ADAMS软件对该机构的运动进行了优化和仿真,获得了分插机构的运动轨迹和运动特性曲线。结果表明该机构能够实现插秧时秧爪所需的主要运动学目标。
平面二次包络环面蜗杆副光弹性实验(Photoelastic Study on Planar Double Enveloping Hourglass Worm Gears)
蜗杆 光弹性法 有限元
2010/12/28
通过改变固化剂的含量,配制了几种光弹性模型材料。在冻结温度下,应用YE2538型程控静态电阻应变仪测试了不同材料的弹性模量。参考钢-铜副的弹性模量比值,合理配置了蜗杆和蜗轮的光弹性模型材料。制备了钢质轴芯镶铸环氧树脂齿部的蜗杆模型,整体浇注了环氧树脂蜗轮模型。将光弹性模型副装配在减速箱中,通过扭力杆施加载荷,在烘箱内完成了应力冻结过程。应用409-Ⅰ型光弹仪观测了蜗轮模型切片等差线的分布状态。对比...
Investigation of a Design Modification for Double Helical Gears Reducing Vibration and Noise
tooth profile modification tooth longitudinal modification double helical gears loaded transmission error
2011/9/9
To reduce vibration and noise and increase transmission efficiency, a three segment method for modifying the pinion profile was proposed. Cutter surface equations were deduced by changing the shape of...
The conference will last three days, comprising keynote addresses and
presentations in a series of plenary and parallel sessions. The offi cial
language of the conference will be English. No simulta...
The load capacity of PC/ABS spur gears and investigation of gear damage
PC/ABS Wear Spur gear
2010/8/16
Polymers and polymer composites which are used for gear materials, represent and are interesting development hence they facilitate easy manufacture and low costs [1]. They are widely used in automotiv...
In this study, bolt and gear selections were performed according to area of usage by the expert system approach. The relevant rules in the database having been interpreted by the system, appropriate d...
机床误差对螺旋锥齿轮齿形的影响规律(Effect of Machine Tool Errors on the Tooth Form of Spiral Bevel Gears)
螺旋锥齿轮 机床误差 齿形 理论齿面
2009/8/11
基于螺旋锥齿轮齿面分析的数学模型,采用最优化算法和一种新的计算齿形误差的方法,计算了误差齿面与理论齿面在理论齿面法线方向的齿形误差。通过引入机床调整误差和刀具参数误差,分析了各种误差对螺旋锥齿轮齿形的影响规律,以图形的方式表示了误差齿面相对于理论齿面的偏离方向以及误差值的大小,为机床的精度设计、齿形误差的修正以及指导实际加工提供了理论依据。通过实际的磨齿加工和检测对算法以及分析结果进行了验证。
应用有限元法考察了修形斜齿轮的轮齿接触和载荷分布。根据变形协调条件和力平衡关系建立了轮齿面接触分析有限元模型。宽斜齿轮副由一个渐开线齿轮和一个双鼓形齿轮组成,建立了齿轮传动装置整体有限元模型,开发了有限元网格划分程序。应用ANSYS软件考察了修形参数对轮齿上载荷分布和接触应力的影响。
偏心齿轮—非圆齿轮行星系分插机构运动机理分析(Analysis of Kinematic Principle of Transplanting Mechanism with Eccentric Gears and Non-circular Gears)
高速插秧机 旋转式分插机构 偏心齿轮—非圆齿轮
2009/5/22
简述了一种旋转式行星系分插机构,用于高速水稻插秧机前插式作业。分析了偏心齿轮-非圆齿轮行星系分插机构的工作机理和结构特点,建立了该机构的运动学模型。基于Visual Basic6.0开发了该分插机构辅助分析与优化软件,通过人机交互方式,优化出满足高速插秧机插秧要求的结构参数为e=3mm, R=19mm,α0=-40°,φ0=36°, S=155mm, H=180mm。
研究了基于数控加工螺旋锥齿轮齿面误差修正技术。提出了一种由摇台型机床调整参数向Free-Form机床转换的方法,建立了基于数控加工齿面误差模型;在此基础上,以齿面误差平方和最小为目标函数,优化摇台型机床调整参数,再将其转换为数控加工形式,从而实现数控齿面修正。最后通过算例表明,经过改变加权系数和优化可以达到齿面误差较高精度修正要求。 Based on NC machining, the tooth...
In high precision and heavily loaded spur gears the effect of gear errors is negligible, so the periodic variation of tooth stiffness is the principal cause of noise and vibration. High contact ratio ...
HYBRID FOUNDRY PATTERNS OF BEVEL GEARS
Innovative materials and casting technologies gears rapid prototyping systems
2011/3/10
Possibilities of making hybrid foundry patterns of bevel gears for investment casting process are presented. Rapid prototyping of gears with complex tooth forms is possible with the use of modern meth...