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Implementation of Interior Fitting Regulation (ECE R21) in India: Common Failures and Countermeasures in Instrument Panel Development

机译:印度内部配件调节(ECE R21)的实施:仪表板开发中的常见故障及对策

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Head form impact tests are carried out on instrument panel as part of meeting the requirements of the interior fitting regulation ECE R21. India adopted the ECE R21 regulation and interior fitting impact tests became mandatory in April 2005 for models manufactured from April 2005 and April 2006 for models being manufactured before April 2005. Energy dissipation testing of vehicle's interior fitments is done at various selected and defined locations. With the implementation of interior fitting regulation in India, it is mandatory that every manufacturer tests and certifies their product to comply with the energy dissipation standards as defined in the regulation ECE R21. Extensive interior fitting test program is carried out for various models ranging from MY1993 to MY2003. During the development testing following types of failures were observed: - Occurrence of surface cracks due to sharp edges and component dislocation. - High deceleration levels (more than 80 g continuously for 3 ms) experienced by the head form. Various countermeasures such as material change, reduction in stress concentration area, design for energy absorption and other techniques were adopted to overcome these problems. This paper presents an account of experiences gained during the development program carried out between year 2004 and 2006 for interior fitments.
机译:头型冲击试验以满足内部配件法规ECE R21的要求,部分仪表盘上进行。印度通过了从2005年4月和2006年4月制造的模型模型前,车辆的室内装修的2005年4月耗能测试在不同的选择和确定的位置完成正在生产2005年4月ECE R21法规和室内装修冲击试验成为强制性的。随着印度室内装修法规的实施,它是强制性的每一个制造商的测试和认证,其产品符合能耗标准的规定ECE R21定义。广泛的内部配件的测试程序是各种型号,从MY1993到MY2003进行。在开发测试下列类型的故障,观察到: - 表面裂纹的发生是由于尖锐的边缘和组件错位。 - 高减速水平(超过80克连续3毫秒)经历由头部的形式。各种对策,例如材料的变化,减少在应力集中区,设计用于能量吸收和其他技术被采用来克服这些问题。本文介绍了开发项目期间获得的经验的会计年度2004年至2006年间进行的室内装修。

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