1 Scope
1.1 Subject Content
The quality of the inspected object is expressed by the defective rate or the quantity of products with defects per centum unit in this standard; the corresponding implementation procedures for once sampling plan which takes the acceptable quality level as the quality index are specified.
1.2 Application Scope
It is mainly used for the inspection of continuous lot sizes; the sampling plan and transition rule specified in this standard shall be used together.
This standard is mainly applicable to the following inspections:
a Finished products and semi-finished products;
b Raw materials, components and parts;
c Operation;
d Goods in process;
e Stock;
f Management procedures;
g Process engineering for production or maintenance;
h Information or records.
Contents
1 Scope
1.1 Subject Content
1.2 Application Scope
2 Definitions
2.1 Lot Size
2.2 Sample
2.3 Sample Size
2.4 Average Sample Size
2.5 Defect
2.6 Critical Defect
2.7 Major Defect
2.8 Minor Defect
2.9 Defective
2.10 Critical Defective
2.11 Major Defective
2.12 Minor Defective
2.13 Inspection
2.14 Original Inspection
2.15 Inspection by Attributes
2.16 Lot-by-lot Inspection
2.17 Inspection Level
2.18 Sample Size Code Letter
2.19 Acceptable Quality Level
2.20 Sampling Plan
3 Requirements
3.1 Inspection Procedure
3.2 Transition Rule
3.3 Inspection Interruption
3.4 Inspection Implementation
3.4.1 Quality Standard of Specified Products
3.4.2 Specified Inspection Level
3.4.3 Specified Acceptable Quality Level
3.4.4 Determined Sampling Plan
3.4.5 Batch Constitution and Submission
3.4.6 Disposal of Unqualified Products
3.4.7 Batch Resubmitting
4 Description Matters
Figure 1 Transition Rule
Table 1 Sample Size Character Code
Table 2-A Sampling Plan for the Original Normal Inspection (Main Table)
Table 2-B Sampling Plan for the Original Tightened Inspection (Main Table)
Table 2-C Sampling Plan for the Original Reduced Inspection (Main Table)
