变压器材料铜线检验标准

Inspection standard for copper wire of PQ products

PQ产品铜线检验标准

1.0 OBJECTIVE

目的

To define a procedure that provides for acceptance of parts quality by the end user through inspection for a specification time at a specified distance.

建立此程序以确保通过最终客户定时定点的检测后所提供的零部件质量接收要求.

2.0 SCOPE

范围

3.0 DEFINE

定义

Major defects: Point serious impact to the vision and use; And can’t reach to the design requirement.

主要缺点: 指严重的影响使用及严重影响视觉;及无法达到原设计要求的缺点;

Min defects: Point impact to vision; And no important dimension according to the assembly drawing.

次要缺点: 指轻微影响视觉及非关键尺寸的缺点;

4.0 SAMPLING PLAN AND ACCEPTABLE QUALITY LEVEL

抽样计划和允收水平

4.1 Sampling plan:

抽样计划

According to sampling plan of schaffner Megapower shanghai, the sampling grade is divided into: Reduce sampling, normal sampling, increase sampling.

抽样方案按照兆启上海的抽样计划，抽样等级分为：正常抽样，减少抽样，加强抽样。正常选择抽样比例依照一般检验水准II级。

4.2 Acceptable Quality Level

允收水准:

Major defect for AQL0.65;Min defect for AQL1.0, The sample plan is class two according to general inspection levels.

主要缺陷为AQL0.65; 次要缺陷为AQL1.0;

*REFERENCE INFO: MIL-STD-105E

*参考资料: MIL-STD-105E

5.0 INSPECTION EQUIPMENTS

检验设备

5.1 Appearance inspection : view 外观检验：目视

5.2 Dimension inspection : caliper 尺寸检验：卡尺

5.3 Function inspection: high voltage meter, milliohm meter ,tinning top性能检验：高压仪, 毫欧表,锡炉

6.0 INSPECTION CONDITION

检验条件

6.1 Distance: the distance is 30cm between eyes with material.

距离：肉眼与被测物距离30cm左右。

6.2 Time：The inspection’s time within seven seconds.

时间：在七秒钟内能确认缺陷。

6.3 Lighting: 500Lux

照明：应使用均匀、无方向性、至少500勒克司的照明。

6.4 Temperature: 20-28℃

温度：20—28℃。

6.5 Inspection vision: Inspection must be made by individual with 1.0 vision or vision corrected to 1.0

检查视力：检验员裸视力和矫正视力为1.0。

7.0 Appearance inspection

检

7.1 Dimension inspection

Remark: The dimension measure frequency 尺寸测试数量: 2 pcs / lot /每批2 段;

7.2 Function inspection

bend 4D：if the result is NG, fill the result in MRB to relative dept.

要求如果2D弯曲测试有开裂现象，再用4D做弯曲测试：如果结果不合格开MRB单让相关部门确认会签。

Drawing 1