timing gear

Control of Positional Accuracy for Keyways in Crankshaft Timing Gear Journals

曲轴齿轮轴颈键槽位置精度控制方法

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Relationship Between Engine Noise and Timing Gear Chain Transmission and the Countermeasures

发动机噪声与正时齿形链传动的关系及对策

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The causes of phase variation in air supply obtained after analysis are mainly errors in manufacture, abuse in operation and errors in repair. Several adjusting methods for correct installation of timing gears, inspection of meshing clearance of gear faces and adjustment of valve clearance are suggested.

分析了配气相位变化的原因主要是制造误差、使用不当和修配误差等，提出了正确安装正时齿轮、检查齿面啮合间隙和调整气门脚间隙等几种调整方法。

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Technologies for Noise Reduction from Diesel Timing Gear

柴油机正时齿轮降噪措施

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Remove the special gear puller and adapter tools from timing gear cover.

从正时齿轮罩上拆卸专用齿轮拉拔器及接头工具.

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Take into consideration of the timing of gear shift when the vehicle running on the road, the thesis formulates the rotational speed controlling scheme of the variable frequency motor on the testing bench.

结合车辆在路面行驶时的换档时机，制定了测试台架上变频电机转速的控制方案。

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Noise Reduction Effect Measurement of Timing Gear of an Auto Engine

汽车发动机齿轮的降噪效果实测

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The Application of Proportional Solidification to A Timing Gear Cover of Medium Speed Diesel Engine for Ships

船用中速柴油机定时齿轮罩壳均衡凝固工艺

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The application results show that laser welding can meet higher strength stress demands for those fatigue load parts, such as intake and exhaust valves, timing gear, suspension equipment.

应用结果表明：对于进排气门、正时齿轮和悬架装置等承担疲劳载荷的零部件，激光焊接可满足其较高的强度要求；

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Reason analysis and precautionary measures of engagement clearance reduction of timing gear

正时齿轮啮合间隙减小的原因分析及防止措施

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Changing the drive of timing mechanism from timing gear to notched belt can greatly reduce the high and medium frequency ( higher than 500 Hz) radiated noise at front measuring point of the engine.

而将正时机构由正时齿轮传动改为同步齿形带传动，可以大大改善前端测点的500Hz以上中、高频辐射噪声。

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Cam drive and timing gear cover.

凸轮驱动器和定时齿轮涵盖的范围.

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Camshaft from the crankshaft through the timing belt or gear or chain drive.

凸轮轴由曲轴通过齿形带或齿轮或链条驱动。

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The new technology and new structure of model AJR engine applied in Santana 2000 car is introduced, including light valve gear, camshaft, tappet friction pair, timing transmission system, lubricating system and cooling system.

对桑塔纳2000轿车用AJR发动机从以下几个方面：轻型气门机构、凸轮轴和挺杆摩擦副、正时传动系统、润滑系统和冷却系统的新技术、新结构作了概要分析。

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The front timing cover and and a finished camshaft with timing gear on the end.

前面的时间和范围,并完成与凸轮轴齿轮的时间就结束.

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Based on the measurements and analysis on noise of a certain gasoline engine during high speed, it is clarified that two major vibration sources causing engine noise during high speed are timing gear transmission and valve bounce.

通过对某汽油机高速异响噪声的测试和分析表明，正时齿轮传动和气门落座是导致产生高速异响噪声的两个主要激振源。

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The study indicates that applying constrained damping to thin-walled components such as valve cover and timing gear cover and adopting compound structure can effectively suppress high frequency radiated noise of these components;

研究中发现，对气门罩盖和齿轮室盖薄壁部件处施加约束阻尼，采用复合结构，可以有效抑制发声部件的高频段辐射噪声；

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Design of Low Noise for Timing Gear Cover Based on Topology Optimization

拓扑优化技术在降低正时齿轮罩辐射噪声中的应用

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The reasons of reduction in engagement clearance between timing gear and big dual idle gear of DF_7 locomotive diesel engine and the probable resulting damages were analysed, and the measures to prevent this fault from occurring were proposed.

针对DF7型机车柴油机正时齿轮与双联大介轮啮合间隙减小这一故障，分析了其产生的原因以及可能造成的危害，并制定了防止该故障发生的措施。

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This paper introduces the principle of injection timing advance, transmission mode of timing gear, calculation formula of timing advance and its adjusting steps.

重点介绍了喷油提前角的提前原理，点火正时齿轮的传统动模式，提前角的计算公式及其调整步骤，从而真正达到了简洁实效的目的。

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Remove spacer ring and timing gear with a conventional puller.

用常规拉具拆卸隔环和正时齿轮。

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