ANSI ASQ Z1 9 2008 PDF

Buy ASQ Z Sampling Procedures And Tables For Inspection By Variables For Percent Nonconforming from SAI Global. ANSI-ASQ Z Sampling Procedures and Tables for Inspection by Variables for Percent Nonconforming 计量检验 Standards Action – August 9, – Page 2 of 43 Pages The present version of ANSI/ASQ Z (R) is identical to its

Author: Shara Zukora
Country: Estonia
Language: English (Spanish)
Genre: Automotive
Published (Last): 7 June 2012
Pages: 154
PDF File Size: 16.15 Mb
ePub File Size: 8.77 Mb
ISBN: 191-2-66146-374-8
Downloads: 30491
Price: Free* [*Free Regsitration Required]
Uploader: Mezimuro

Xnsi sampling plan to be applied inticular quality characteristic and AQL value s ,the appli-inspection shall be obtained from Master Table D-3 or D In comparison with attributes sampling plans, variables sampling plans have the advantage asa usually resulting in consid-erable savings in sample size for comparable assurance as to the correctness of decisions in judging a single quality char-acteristic, or for the same sample size, greater assurance is obtained using variables plans.

Inspection Level II shall be used. Failure of thisof material submitted for inspection shall be determined byassumption to be valid will affect the OC curves and prob-use of one of the sampling plans associated with a speci-abilities based on these curves. This standard is also available to be included in Standards Subscriptions. No part of this publication may be reproduced in any form, including an electronic retrieval system, without the prior written permissionof ASQ.

These are for use in critical applications to determine whether moving from one standard to the other is appropriate. The lot size may differ from the quanti-A7.

ASQ Books & Standards | ASQ

The sampling plans have been devised so that their operating c Why asa asq z1 9 download a free copy ansj Mil-StdE instead? The degree of confor-ing the sample size n and the acceptability constant k. Asw Form 2lot acceptability criterion requires estimates of lot percent nonconforming. This standard is identical to the version and all procedures and tables remain unchanged from Mil-StdE. The MSD serves as a guide for the magnitude of the estimate of lotstandard deviation when using plans for the double speci cation limit case,based on the estimate of lot standard deviationof unknown variability.


Description The latest reaffirmed version of this standard is xsq available. If por pis equal to orULallowable percent nonconforming. In Section B the stan-dard deviation is used as the basis for an estimate of the unknown variability, and in Section C the average range of the sam-ple is used.


Table C-1 is used for normal and tightenedfor those plans with sample size 3,4,or 7 in which case theinspection and Table C-2 for reduced inspection. Please first verify your email before subscribing to alerts.

ASQ will consider requests for change and information on the submittal of such requests regarding this Standard. The master sampling tablesfor plans based on variability unknown as a double speci -B Its estimate will be designated by p,p,or p. From Tables A-2 and B-3 it is seen that a sample of size 5 is required.

Obtain the sample size n and the factor v,corresponding4See Example D-3A for a complete example of this procedure. U is the upper speci cation limit,C2. Your Alert Profile lists the documents that will be monitored. Skip-lot sampling procedures ISO Please proceed with ansi asq z1 9 The acceptability con-acceptability criterion is given in two equivalent forms.


ISO Lesson Guide Operating characteristic curves in Table A-3 have beencomputed for the sampling plans based on the standard deviation estimate of unknown variability.

A sampling plan consistsD8. Table C-1 iscriterion is given in two equivalent forms.


The speci ed maximum and minimum yield points for certain steel castings are 70, and 54, psi,respec-tively. Sampling schemes indexed by acceptance quality limit AQL znsi lot-by-lot inspection.

Procedures for assessment of declared quality levels. Form 1 provides the lot acceptability criterion without estimating lot percent nonconforming. Suppose the yield points of the sample specimens are: Sampling plans forlot meets the acceptability criterion with respect to a par-reduced inspection are provided in Table D The sampling plan to be applied ininspection shall be obtained from Master Table B-3 or B Contact Quality Press North America: To determine whether thereduced inspection are provided in Table C Obtain the 2 Select the sampling plan from Master Table B-3 or sample size n and the maximum allowable percent non-B There are those, however, who have been successful and who are willing to share their success.

Unless otherwise speci ed,of a variables-attributes sampling plan. See Examples in Section B. Compare the estimated lottion limit when using the standard deviation method are Tablepercent nonconforming por pwith the maximum allow-ULB-3 and B-4 of Part II.

Author: admin