1、 ASQC E2 96 075950b 0001790 625 ANS I/ASQC E2- 1996 AMERICAN NATIONAL STANDARD Guide to Inspection Planning AMERICAN SOCIETY FOR QUALITY CONTROL 61 1 EAST WISCONSIN AVENUE MILWAUKEE, WISCONSIN 53202 ASQC E2 b W 0759506 OOOL7L 561 W ANSI/ IASQC E2-1996 AMERICAN NATIONAL STANDARD Guide to Inspection P
2、lanning Reaffirmation of ANSIASQC E2-1984 Prepared by American Society for Quality Control Energy Division Standards Committee An American National Standard Approved on January 12, 1996 Guide io Inspection Planning describes the significant elements that should be considered in the development of in
3、spec- tion activities. The standard is intended to provide generic guidelines for a product/process inspection system. American National Standani: An American National Standard implies a consensus of those substantially concerned with its scope and provisions. An American National Standard is intend
4、ed as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether he or she has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedu
5、re not conforming to the standard. American National Standards are subject to periodic review, and users are cautioned to obtain the latest editions. Caution Notice: This American National Standard may be revised or withdrawn at any time. The procedures of the Amer- ican National Standards Institute
6、 require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of publication. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. ASQC E2 96 =
7、 0759506 0001792 LiTB = 819% by ASQC Aii rights reserved. No part of this book may be reproduced in any form or by any means, electronic, mechanical, photo- cupying, recording, or otherwise, without the prior written permission of the publisher. AsQC Won: To faCiiitate continuous improvement and inc
8、rease customer satisfaction by identifying, communicating, and pmhg the use of qdty principles, concepts, and technologk; and thereby be recognized throughout the world as the leading authotcteristics -Mating parts, dimensions, etc. -Quality records or certifications -Inspector identification, date,
9、 and dah requirements Identify primary references of technical requirements for items anci services such as drawings, specicaions, and procment documents. Include the specific document number and revision number or date of the documen. PR+ vision should be made for the inspector to enter the revi- s
10、ion number or date on the inspection record. In addition, supplementai reference documents may include -Inspection criteria documents (required codes and Standards) -Inspection procedures and insbuctions -Mantkmg and work instnictions andmm -Fabricalioflow schematics -0peratingmtruction manuals -Con
11、figuration information 43 Inspection Coniions Indicate in the inspection plan inspection sequence and timing, for example, concurrent with tooling change, upon receipt, after completion of an intamediate step, prior to shipping, or upon transfer to a new locaion. If timing is critical, as when inspe
12、ction is a %old point,” this should be identied (see 6.7). hknij special inspection conditions, such as pmper light- ing level and magnification limits for visuai inspection, conditons of cleanliness, surface pxeparaion, and temper- aairefartheworkpiece. Identify requiemenis for specially qualified
13、personnel Identify needed environmental conditions (temperatwe, humidiy, cleaniiness). Iden physical limitations (clearances, access consider- ations) and any special handiing requirements. State requuements regarding removal and replacement of packing, coating, ar other protective mated. List requk
14、ments for locking out or tagging items for px- sonne1 safety or to mainain the system/item in the ac- ceptedconditions. 63 Characteizs tics Identify characteristics to be inspected. Where appropri- ate characteristics may be classified into categories, Le., critical, major, and minor. If conditional
15、 acceptance is possible (due to tolerance allowance or oher variable pa- rameters), so idenify. Identify, as nec-, the number and location of data points and information to be recorded for each character- istic to be inspected. 4.4 Acceptance Criteria Rovide sufficient information, directly or by re
16、ference, to enable the inspector to determine if the item or activity is conforming or nonconforming. Acceptance criteria may include dimensional tolerances, instrument readings, vi- suai appearance, results of destructive testing on represen- tative samples, and functid requirements. Physical stan-
17、 dards that represent limits of acceptance are particularly useful in amving at consistent boundaries of acceptance andcommon understanding by interfacing groups (inspec- tor, producer, designer, and customer). 6.5 Inspection Meth go-no go check of actmi dimension). - - Methods for obtaining spot sa
18、mples for validation by alternate nondestructive or destructive evaluation may be and idenw &e organizationwhich may perform the in- spection. Include steps in process such as completion of subassemblies, tests, special process perfomance, points in process where critical uarameters are to be measur
19、ed and mainaine, and pini where fiirther procesSing may render important characteristics uninspectable. Requirements for miew during hold points by customer and oher designated represenatives should be deiemined by review of contracts and technical specificaions and included in the inspection plan.
20、6.11 Reporting Results Identify either an appropriate inspection reporting form or the results to be documented (identification, inspection data, identity of inspector, and date of inspection). Inspec- tion records should be identifiable to batch, lot, seria 5 ASQC E2 96 0759506 0001800 3T4 = ANSI/
21、/ASQC E2-1996 number, or work order number. When data is to be taken, define the number of data points and specify the approPn- ate farmat for recatding the data The Inspection Pian shouldprovide for -obtaining andcomparing inspection infcmMtlon * ,data, and muits to acceptance criteria A decision s
22、hould be reached with each inspection identifjing wheher or not campliancewiacceptancecliteriahasbeenachieved.This mxam$ejection decision should be recorded, dated, signedarstamped,andmadeavaabletointemctinggroups -obtaining written disposition for authorized organiza- tions (for example, a material
23、 review board) for release of nonmnfarming items and services -Including in repts as-built information, i.e., required actual measmments, and providing them to the organiza- tion responsible for configucaion conol -Provide inspection data, including descIiptions of any defective items or services, o
24、n a timely basis to responsi- ble Organizations as feedback to be used for trend analysis, design, orpmess improvement 6.12 InspectionReiease Provide for inspection mlease of items or services at signif- icant stages. Conok access storage should be provided for impcnant items when - - necesszrry. Th
25、e in- Spection release should enme that all Criteria required for release have been met, i.e., what items of nonconformance have been dispositioned acceptable, what nonsandard pmxsse have been used for repair, if any, and that rein- spection has been applied. For items to be shipped or ser- vicespvi
26、dedundercontact,acertincateofconfo- (wih appropriate objective evidence) is often used as a mehod for documenting rele. 7.0 OTHER RELATED FUNCTIONS Other inspection planning activities should be consided as inspection of products/savice progresses, and per- fmed as necessary. Examples include prepar
27、ed and provide summarized dah to management pps for evaiuation to enable efforts at improvement, such as trend analyses, reliability analyses, and pmb- lem solvingmtive actions. Rovide inspection data, including descriptions of any defective items or services, to responsible design orga- nizationsas
28、feedback Provide status of acceptance of products and services to interested groups, such as piant managers or controllers groups, for invoicing actions. 6 ASQC E2 96 075950b OOOLBOL 230 W IL 114 (414) 272-8575 FAX (414) 272-1734 id 800-248-1946 61 1 EAST WISCONSIN AVENUE ?Lz5WISCONSIN 5320 1-3005 T62 Printed in the United States of America
