抽样作业指导书 Sampling Plan for Inspection Instruction - 图文

Doc No. 抽样作业指导书 Ori. Date Sampling Plan for Inspection Instruction Page Rev. AA Page5of 9 在暂停检查后，若供货方确实采取了措施，使提交检查批达到或超过所规定的质量要求，则经质量经理同意后，可恢复检查，一般应从加严检查开始。

5.5 Searches of Single Sampling Plan 一次抽样方案的检索

5.5.1 Appendix A –Sample size code letters 批量范围及抽样水平对照使用附表A。 5.5.2 Table–3 : Single sampling plans for normal inspection

检索正常检查一次抽样方案使用附表3。

5.5.3 Table–4: Single sampling plans for tightened inspection

检索加严检查一次抽样方案使用附表4。

5.5.4 Table–5 : Single sampling plans for reduced inspection

检索放宽检查一次抽样方案使用表5。

5.5.5 Searches Method检索方法

In Table I Sample size code letters, Sample sizes “n” are designated after selected code letter based on the size of batch or lot and AQL, then read out the number for judgment [Ac, Re] at the cross point of the row of sample sizes and column of specified AQL. Along the arrow and read out the first number for judgment [Ac, Re] if the cross point is a arrow, then leftward at the row of [Ac Re] direction meet sample size column to read out the correspond sample sizes “n” . Note:

A. According to above method, maximum sample size be selected whatever non-conformity

products or category when getting different sample size.

B. AQL number for judgment [2,1] of single sampling plan can instead of judgment [0,1] of single

sampling plan under customer’s agreement.

由批量范围及抽样水平对照使用表2得到的样本大小字码水平向右，在样本大小样内读出样本大小n，再从样本大小字码所在行和规定的合格质量水平所在列相交处，读出判定数组[Ac ，Re]。若在相交处是箭头，则沿着箭头方向，读出箭头所指的第一个判定数组[Ac ，Re]，然后由此判定数组[Ac ，Re]所在行向左，在样本大小栏内读出相应的样本大小n。 注：

A. 按上述检索方法，对不同类的不合格品或不同类的不合格得到不同的样本大小时，可以所读出的样本大小最大者所相应的抽样方案。

B. 在订货方同意的情况下，可以使用判定数组[1,2]的一次抽样方案代替判定数组[0,1]的一次抽样方案。

5.5.6 Sampling取样

The samples from each part of the lot or batch shall be selected dispersedly at random. 样板必须尽可能做到分散及随机。

Type WI *** Company Limited Dept. Doc No. 抽样作业指导书 Ori. Date Sampling Plan for Inspection Instruction Page Rev. AA Page6of 9 5.6 Special sample size 特殊的情形

Sample size is equal or more than the lot designated sizes of code letters. If sample size equals or exceeds lot or batch size, do 100 percent inspection. 样本大小等于或大于批量的规定。

当抽样方案的样本大小等于或大于批量时，将该批量看作样本大小，抽样方案的判定数组保持不变。 6 Appendix Table 附表

Appendix 附件A: Lot size to Inspection Levels 批量范围及抽样水平对照使用表 表2批量范围及抽样水平对照使用表 批量范围 1~8 9~15 16~25 26~50 51~90 91~150 151~280 281~500 501~1200 1201~3200 3201~10000 10001~ 35000 35001~150000 15000~1500000 500001 特殊检查水平 S-1 S-2 S-3 S-4 A A A A B B B B C C C C D D D A A A B B B C C C D D D E E E A A B B C C D D E E F F G G H A A B C C D E E F G G H J J K I A A B C C D E F G H J K L M N 一般检查水平 II A B C D E F G H J K L M N P Q III B C D E F G H J K L M N P Q R Type WI *** Company Limited Dept. Page7of 9 AA ì3 ?±y3￡??2éòo′?3é?ù2?°·ù±???ù±??D′?0.0100.0150.0250.0400.0650.100.150.250.400.651.01.52.54.06.5 ?·1??êá?????￡¨AQL?￡1015254065

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