Single and multi-level continuous sampling procedures and tables for inspection by attributes
Some standard content:
ICS 03. 12D. 30
National Standard of the People's Republic of China
GB/T 8052-—2002
Generated GT152987
Single and multi-level continuous sampling
Inspection procedures and tables for inspection by attributes2002-07-18 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
2002·12-07 Implementation
Normative document
3 Meaning and symbols
1 Detailed description of the implementation plan
i CSF-F Plan
CSP V Scheme
GSP-T Su Ying
Record (current norms
(informative appendix)
Appendix 3
(tax address Lu Sheng)
(confidential appendix)
The medical value of continuous oil block inspection shall be measured by line
and the ratio with A0Q1.
and the 1.0 value corresponding to the acceptance rate 5.10...
GB/T 8057--2002
GH/T8052-202
This standard is the first revision of CB8152-1987 single level and multi-level counting continuous sampling inspection procedures and tables>. This standard replaces T:3-1!87, and the revision refers to the relevant national standard M11.STD-1235C1988 single level and multi-level counting continuous sampling inspection procedures and tables in sequence 3
This standard is consistent with (1/1852- Compared with 1!3, the major technical changes are as follows: the original standard contains three types of schemes, namely CSP-1, CSP-2 and CSPT. This revision adds a network type of scheme, CSP-H and CSP-V. In addition to the above schemes, all the schemes in the original standard adopt H and CSP-V. The new CSP-V scheme is used to replace the R scheme. The new rules are used to make application examples. The new CSP-V scheme is used to replace the R scheme. This revision makes necessary changes to the terminology and operating procedures. Appendix A of this standard is a normative document. Appendix A of this standard is a reference document. This standard is proposed by the National Statistical Methods Technical Committee of Standardization. The main drafting units of this standard are: China Standardization Research Center, Zhongzhou Agricultural University, and Institute of Science and Systems Engineering, Chinese Academy of Sciences. The authors of this standard are: Liu Wen, Fan Yongchong, Ma Jiaolin, Ministry of Commerce, Ministry of Industry and Information Technology, Ministry of Industry and Information Technology. This standard was issued in 17:
1 Scope
Single-level and multi-level continuous sampling inspection procedures and tables GA/T8052-2002
This standard specifies the sampling procedures and tables for sampling inspection of continuously submitted products. When this standard is cited in the quality regulations of the contract, product technical instructions, process documents or other related documents, the specific provisions shall be implemented. The application of this standard can control the average quality of the product within the specified average inspection quality limit A (L). The standard is used when all the following conditions are met, and the product is in a continuous flow (see 3.1.2).
1) There are sufficient places, equipment and personnel near the stock point, and full inspection (1CC% inspection) can be carried out quickly when necessary. It is relatively easy and quick to inspect.
) The quality of raw materials in the production process is sufficient.) The inspection is non-destructive.
2 Normative references
The following standards are referenced in this standard and become the parent standards of this standard. For all references with a date, all subsequent amendments (excluding errors) or revisions are not applicable to this standard. However, the latest versions of these documents can be used by all parties who cannot reach an agreement with the original standard. For all references without a date, the latest versions of these documents shall apply to this standard GB/T335x.1-1-1993 Statistics Part 1 General Statistics Terminology GB/T5:8.9--:993 Statistical Terminology Part 1 Statistical Control Terminology 3 Definitions and Symbols
3.1 Definitions
(/T3358.1-1993 and GB/T33.8.21993) The following terms and definitions are applicable to this standard. 3. 1.1
unit product
the basic unit of inspection object for the purpose of rapid testing. 3.1-2
flowing product
unit product that passes through the inspection point, including finished products, semi-finished products, components, raw materials, data and other physical objects. For example, products pass through the inspection point on a conveyor or production line, or in a transport box, truck or other handling equipment that uses manual loading. 3-1.3
unit product
a unit product randomly selected from the production line for inspection. 3.1.4
unqualified
the non-compliance of a characteristic of a product or process with the standard. 3.1.4. 1
Class A nonconforming typeAnonsonfarnity
GB/T8052—2002
The overall product quality is not in compliance with the most important technical requirements, or the unit product is very seriously inconsistent with the specification, 3-1.4.2
Class B nonconforming typeBaoncunfurmhty
The unit product quality is not in compliance with the important technical requirements, or the unit product is seriously inconsistent with the specification, 3. 1. 4. 3
Class C nonconforming typeCnonconfarmity
The unit product quality is not in compliance with the provisions of the technical requirements, or the unit product is not consistent with the specification: 3. 1. 5
Nonconforming item, one or more nonconforming unit products. (3.4 in GB/T3358.2—1993) 3. 1. 5. 1
Class A nonconforming producttypeAonconforniingitem.tspeAnnncanformingunitwith "ten or more Class A nonconforming items, and may also have Class and (or Class A nonconforming unit products.3..5.2
Class B nonconforming productlype B nonconforming itemlype B uncoafurming unitil has one or more Class A nonconforming items, and may also have Class C nonconforming items, and may also contain Class A non-conforming unit products.3..5.2
Class B nonconforming productlype B nonconforming itemlype B uncoafurming unitil has one or more Class A nonconforming items, and may also have Class C nonconforming items, and may also contain Class A non-conforming unit products. 3.1.5.3
C-type does not contain qualified products typeCnoaconfarmlugirem-type(:aencontormingunit section has "one or more (class unqualified), but does not contain unit products of class A and class B unqualified. 3.1.6
Acceptable quality levelacreptahlequalitylevel, AQlFor consecutive batches, it is considered that the two are too thick and the energy is low. (See G1/T358.2-3 4.46) 3.1. 7
Extreme quality Hnitingquglilylo
For strict batches, in order to carry out oil-acceptance system in a certain low acceptance period, the drug quality is half water. (See GB3.158.21993 4.4R)
Average inspection quality averageontgoinequnlityaog for a certain amount of acceptance of production materials, after inspection using a stay acceptance plan. Inspection + product energy potential average with half water. (See GB 358.2-134.4 )
Average detection quality upper limit nrerageamgdngqualityHmili: A For a given acceptance case and batch specification, within all possible ranges of the product to be accepted, the maximum value of the average detection quality (4.50 in B/3358.1993)
average inspection ratio averagefrequencyuspectinn, aFr is the ratio of the number of products that have been tested since the beginning of the period to the average total product quality. 3. 1.11
Production intervalpruductiuzinlervuls
The time interval for continuous production process divided by push inspection. If there is a reason to confirm that the change does not affect the product quality, it can also be a card: but it cannot exceed: 3. 1.-2
Process non-conforming product ratepruecssprurliunufionrunfuriningemsThe ratio of the number of non-conforming products in the production process to the total number of products produced. 3. 1. 73
Process average non-conforming product rateprocegsHrcrageprportiunofnncpnturminilrmsThe average number of non-conforming products found when the producer conducts a number of inspections on the products within the specified period, and the average non-conforming product rate = the number of non-conforming products found during the inspection Total number of products during the inspection
The products that are judged as non-conforming after the initial inspection are not included in the products submitted for inspection again. 3.1.14
operatingcharacteristicsofsamplingplanGR/T 8052:2002
For the average value of the specific value, the number of new products that pass the inspection during the long-term operation is the percentage of the total number of products produced. 3.1.15
samplingratiosampllng
Theratio of the number of unit products randomly selected from each inspection point to the number of unit products that pass the inspection point during the continuous sampling inspection period: In this paper, each samplingratio is expressed by a letter, such as E/7, 1/25, 1/50, etc. 3.1.15
samplingratiocodecudeleterforsamplingtrequencyThe letter representing the samplingratio.
Determination number elenrakenunber
Before switching to sampling inspection - the number of consecutive qualified single products required to be achieved in the full inspection (160: inspection> stage setting, 3.1.18
Re-inspection
The manufacturer conducts oil inspection on the products that have passed the inspection to verify the quality of the workpiece during the whole inspection, usually with a sampling ratio or a larger ratio for inspection:
Continuous sampling inspection continuouasamplinginsipectian continuous sampling inspection of each product (product flow sampling inspection, including: children) according to the results of the individual inspection products, the acceptance is determined according to the product quality at the moment, using full inspection or random inspection. When using one or more different sampling ratios, h)
(see GR/T N.21S3-8)
Single-level continuous sampling inspection single-level continuous sampling inspection is a front-end inspection of a product flow, using full inspection with a fixed risk ratio according to the observed product quality. (2G15/5588.2-:993-.9)
Multi-level continuous sampling inspection is a continuous sampling inspection of a product flow, using gold inspection or other inspection with two or more sampling rates according to the observed product quality. (GB/T325.21993 4.1(0)www.bzxz.net
3.2 Symbols
The following symbols are used for public standards:
A: variable collection quality level
AFI, average nuclear end rate
ACQ: average detection quality
GH7T 8052 2002
AOQI: Average output quality
Q: Limit quality
CSPF single level continuous sampling plan F
SP1: Single level continuous sampling plan 1
CS-: Single level continuous sampling plan 2
CS1-V: Single level continuous sampling plan V
P Multi-water semi-continuous sampling plan T
: Shaft sampling plan
: Number of continuous qualified products
P: Passing product rate
: Half average unqualified product rate
L: Value reaching AQT.
: Cumulative number of unqualified units in the sample 4 General provisions for the implementation of sampling methods
4.1 Acceptable quality level: 4QL's specified size can be determined or The power supply department confirms that: for A inflammation, a very small AQ value should be used: for non-conforming products, use: non-conforming products are small non-conforming products for the original products, the AQ value of the original products can be used:
A. and the sampling code is compared once, and the schemes listed in the F inspection sample table are used. These schemes are also based on Q1. The Q2 value does not mean that the manufacturer has or calls for a single asset with low quality. The AQ value given in the card is difficult to be used! If the AQ. is sent for other numbers, this table does not apply. 4.2 The provisions of the upper limit of the average light quality setting
AQI. are not determined according to the contract provisions or the local sound door. The average non-conforming rate of each batch of products received by the long-term use and the current village seat oil Liuli case will not exceed this set AQL value Not qualified! The specified AH2I. value does not mean that the manufacturer can deliberately supply low-quality units of product: 4.3 Products submitted
Although not a batch of actual samples are required, but due to the requirements of the market and the methods of transportation and sales, for the products after inspection,
follow the good sequence of the whole production process to easily find the root cause of the quality problem. For example, before inspection, the products of two production lines of Shangbang have been separated. If these products are not qualified, the product registration is not guaranteed. Then all the units delivered must continue to pass the inspection points and undergo the required inspections in sequence. This product It does not prevent the manufacturer from checking the product before it reaches the age control point. It does not prevent the production from removing or correcting defective units before the product is delivered. However, this prior inspection should not change the random inspection of products during subsequent inspections. 2.4. Acceptance and rejection of single products
The manufacturer shall check the products according to the requirements of the platform. When the specified AQ value is used to determine the special plan: the unit product shall be inspected according to the age control point to verify the change and submit the product to the production line. The qualified products found during the inspection shall be separated from the production line and sent back to the production line for repair. The manufacturer will then immediately integrate the defective products into the production line.
4.5 Detailed sampling
During the continuous sampling, a single sample is a unit product that is selected from the production line when it passes the inspection point. GR/T B052-2002
Each case has a certain sampling ratio for selecting sample units, so that each unit product has an equal chance of being selected. When sampling, the intervals between sample units can be adjusted, instead of having to scan and collect unit products at equal intervals. 4.6 The sampling method needs to be selected without any new or estimated method. The ratio of the product and the continuous reading introduction are as follows: The details of the individual drug are in the Shenshunjiang case. 4.6.1 The sampling ratio code is used to determine the sampling ratio. Table: The sampling ratio code is used to select the sampling ratio code for the production of the product within the nuclear production range. The time required for the inspection of each product can be selected by the manufacturer based on the factors such as the time required for the inspection of each product. Table 1 Sampling ratio code
Production quality
01 ~ 3x
ent1san
1 2n.---3 2nn
1n mo. -35 tr.
3 G11 PF
15nx1 and above
4.5.2 Types of sampling plans and their fallbacks
Zening's
A,--1t
The sampling plans without standard removal of five tips CS1-1CS-FCSP-2.CSP-T and SP-V are listed in Table A I A, Table 4, Table 6A Table A.-1 Complete simple single water sampling plan,The CSF scheme is the only one of its kind that is suitable for sampling products with limited length. When the length of the product is limited, this scheme can be used to avoid unnecessary damage caused by the inspection process. The CSI-2 scheme is also a single-level semi-single-level sampling scheme, which can provide some system when full-scale adjustment is required. After the PT is completed, the multi-level sampling scheme can reduce the sampling ratio when the product quality is relatively concerned. CSPV also has a continuous sampling plan. When the product quality is good, the level will be returned to the full inspection. The production point H body tooth record will select the appropriate one; the type of mountain force rope
1.5.3 Selection of sampling plan
According to AQI. or 40Q[. and the selected word, select the corresponding axis plan from Table 3A, Table 2A, Table 4A or Table: 4-7 Termination of the sampling process
17.1 The inspection period is too long
Exceeding the standard. When the full inspection period is too long, see 5.3.2.5.3.2, 7.3.2.8.3.2) The measures should be taken to change the production process, and the user has the right to accept the stored products. The provisions of 1.2, 5.3.2, 7.3.2, and 8.3.2 do not prevent the manufacturer from accepting the general screening to improve the production process before the limit specified in the above clauses.
4.7.2 Full inspection invalid
During the enterprise period, if the re-inspector finds that one day is unqualified, the manufacturer shall take measures to improve the work quality of the individual inspectors. If the re-inspector finds that two days are unqualified during the same full inspection, the manufacturer shall take measures and the user shall stop accepting the production.
4.8 Use of process average non-conforming product rate
The process quality rate is less than or equal to the current Q, and the manufacturer provides product quality information. When it is less than or equal to the current Q, 5
CB/I80522002
tests that the product quality meets the requirements of the warehouse. If the value is larger than AQ1, the chance of the product passing the inspection cutoff is very small, and the product may be in a state of full production and cannot be transferred to the draw. At this time, the production party will take the thin production order. In addition to the defective rate of the product produced in the previous period, the process level and the non-conforming product unit cannot be used to calculate the AOQAI1 and OC100
5CsP.t program
CSF-F is a single-water semi-rational program. It gives the full inspection and inspection sequence specifications and alternating specifications. The (5I1 program should be used for the current number of products in the market, and can make the H smaller continuous qualified products. The separation program can be applied to small-volume local products and other situations. The user can use one or more of the two test intervals. According to the test conditions (for example, X-ray inspection is not available, where the larger continuous quality product efficiency can be delayed. Figure 1 shows the parameters related to the H (SF test) test. Table 2A lists the parameters in a reasonable order. In the many periods of time (1F), the A center and AOQI are related to the upper limit of the good period average value, respectively. In fact, they are related to the single-stage violation value of the case. 5.1 Actual shooting of the program 5. 1. 1 Inspection start
First, determine the time to use the CSPF method to express the number of unit products V, and determine the alarm number in the main table A (such as N + Table 2A, the value. Then the inspection belongs to the unit products). Inspection and adjustment start, the company will use the appropriate difference between the inspection points of each unit product, the time inspection bureau will use the ratio, and the company will re-inspect the qualified unit products at a higher ratio: 5.1.2 Sampling
See 6. 1. 2.
5.1.3 Resume full inspection
6. 1. 5.
5.7 Code change
See 6.2.
Effect ratio, oil calculation of this unit
Qualified Y
Figure 1P-F inspection procedure
A1 C. G11,%
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N,U,'*=9.UC3
3,tG1-13.00
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12,0u! ~15,900
lis-uu1 ~20,000
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5).1.~C9,001
e3.301.-70.om
7.x1...(5,009
8u.Uc1.-93.5||tt ||... The technical table is in A degree. It is practical, and the bottom is simple. There is no forgetting the text for all cases. 38
2 -:54
B/8052—2002
1 33℃
2 7:12
GB/I 8052—2002
AQ1.1-0.03X
AQL-C C33%
Sampling station
F51-F(
70]--1.242
.G01-.?.X.:
2.1-1,3.3
3.31-:009
1.m.--5.x3
3.c1-5.X5
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2 751---30,10
i.--40.000
2c..a]...5n.nm
n..!.-5o,000
u,m.-t,tx.
n.nn.-..se....
s,n_.-a..t..
53.3 :1- 1n,1um
105.001--15n.(00
Table 2A-2 E of 1SP-F scheme Value
Originally A1. Jun Chuan Zuo Jian Chuan Xian Shi, Liu 1 plan Guang its meaning text, table 24-3
Sample ratio word
1~55″
SP-F plan value
-1 231
1,501--2,non
2.3ul ,000
3.OU.-.:.6.>
1.nn..s.\c
h.uul.~n.no0
s.o01.7.nn
1.x1.~$.000
8.x1~5-000
r.onl-_0,3c?||tt| |10,UCI~11,ono
H.0t --12.GoC
12.3U1~Ib.GK
J..X1~2U,GK
23.01 --S0.Gx
39,2U1~1G,C-KC
43,301.5G.GG
55.50..-.00.000
n.enl ,c
BU.UU. JC,CG
9n,l-luo.non
1m: and above
24-3 system
x takes AQ as the case to make the supplier for plan H,
91℃
i value of CSPE scheme
Table 2A-4
AQ:...155
A0QJ..335
2.c31-.3.(mm
a.51.1.unm
1.tl.b.uno
.t[- 6.onn
FB/T 8052-20C2
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