汽车配件中的“DV试验”与“PV实验”区别是什么?

2025-03-11 03:20:20
推荐回答(4个)
回答1:

DV是DesignVerificaTIon设计验证,此时可以是手工件或者模具件。PV是ProductVerificaTIon产品验证,必须是模具件,并从供应商的量产生产线上做出来的零件。PV之后的零件再完成PPAP审核,就具备了量产供货资格了。DV是一份比较全面的试验报告,他从设计验证开始。PV是产品已经成型后的一些试验验证,不会去考虑什么模流分析,只会从产品使用失效方面进行相关的测试

测试要求一般是通过对产品的需求分解而来,这个在整车和部件上都是通用的,这里的需求包含了对市场的预期、国家的法律法规,用户的需求等等。

整车方面,中国有针对乘用车的强制检验标准,大概40余项,对于可以在市场售卖的车辆而言,这些试验是必须通过的,大家也可以百度的到,这里不去多说。个别厂商也会对产品做一些其他要求,比方说噪音,振动等,所以这些实验也不可避免。

试验根据项目阶段的不同也分为开发性试验和批量批准的试验,两者或有重叠,但是不完全相同,目的也不同。

零部件方面,根据位置的不同,所处环境的不同,功能要求的不同以及寿命要求的不同,试验的项目、方法与指标也略有不同。

回答2:

回答3:

回答4:

DV与PV试验举例参考:
1 基本性能试验 PV
2 气味要求 DV
3 耐光色牢度要求 DV
4 阻燃性要求 DV
5 甲醛含量 DV
6 有机物散发 DV
7 冷凝组分 DV
8 耐热性 PV
9 过电压保护能力 PV
10 反向电压保护能力 PV
11 绝缘性能 PV
12 遮阳板滑动力 PV
13 遮阳板耐久性 PV
14 温度交变性 PV
15 存储试验 PV
16 湿度交变性 PV
17 高低温试验 PV
18 耐久性 PV
19 噪音试验 PV
20 线束插接件的插拨力 PV
21 排水性 PV
22 淋雨试验 PV

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