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朗德科技承接厦工机械的NVH工程咨询项目

日期:2019-07-02
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针对国内工程机械产品普遍难以通过GB 16710-2010中规定的机外辐射声功率的标准,朗德科技推出了面向工程机械的NVH解决方案,并承接了厦工机械的装载机和挖掘机的噪声性能提升的工程咨询项目。

Considering that it is difficult for domestic construction machinery products to pass the standard of external radiated sound power stipulated in GB 16710-2010, Langtop Science and Technology has introduced the NVH solution for construction machinery, and undertook the project of engineering consultation for improving the noise performance of loaders and excavators of Xiamen Construction Machinery.

本项目以现场Workshop的方式进行,即朗德科技提供测量设备和系统、在客户现场根据客户的实际产品NVH问题进行改进,并且在这个过程中帮助客户培训NVH技术人员,完成能力建设。

This project is carried out in the way of on-site Workshop, that is, Langtop Technology provides measuring equipment and systems, improves the NVH problems according to the actual products of customers on-site, and helps customers train NVH technicians so as to complete the capacity building in the process.

在技术上,朗德科技组合当今比较先进的NVH测量和分析手段,通过噪振频谱分析、特征信号分析、远场Beamforming声源定位、近场声强扫描、传递路径及辐射噪声灵敏度分析等方法查找原有产品的NVH问题点。在不增加产品成本的基础上,其辐射声功率较原始状态已经降低了6.2dB,目前项目还在继续进行中。

In terms of technology, Langtop Technology combines the more advanced NVH measurement and analysis methods nowadays to find the NVH problem points of the original products through noise and vibration spectrum analysis, characteristic signal analysis, far-field Beamforming sound source location, near-field sound intensity scanning, transmission path and radiation noise sensitivity analysis. On the basis of no increase in product cost, its radiated sound power has been reduced by 6.2db compared with the original state, and the project is still under way.
 
 
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