SAE J 1828-2014 Uniform Reference and Dimensional Guidelines for Collision Repair《碰撞检修的统一参考和尺寸指南》.pdf
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1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2014 SAE InternationalAll rights reserved. No part of this publi
3、cation may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/J1828_201406SURFACE VEHICLERECOMMENDED PRACTICEJ1828 JUN2014Issued 1987-05Revised 2014-06Supe
5、rseding J1828 FEB2008Uniform Reference and Dimensional Guidelines for Collision RepairRATIONALESAE J1828 is being updated to reflect the current states of technology in light-vehicle collision repair dimensioning methodologies and processes, OEM vehicle dimensioning systems and aftermarket measuring
6、 equipment.FOREWORDWith continually higher expectations of collision repair quality, the evolution of new motor vehicle design and manufacturing technologies and increased sophistication of collision repair measuring and repair equipment, it is imperative that the repair technician have the necessar
7、y reference and dimensional measurements to achieve a cost-effective repair that will ensure customer satisfaction. Uniformity of these measurements will enable technicians and claims representatives to easily locate measurement points and more accurately complete the damage diagnosis, repair cost e
8、stimation and the repair itself.a. Customer Expectations - Customer expectations can be considered from the perspective of two key parties: the buyers of vehicles who are involved in collisions, and the technicians who repair the vehicles.1. Buyer Expectations - Buyer expectations of the quality of
9、repair fall into the following five general categories:1.1 Fit and finish, including door gaps, underhood areas, seams, fixed glass position, underbody appearance, and perceived associations between body opening gaps and potential structural problems.1.2 Driving characteristics (tire wear, handling,
10、 etc.) will be the same after the collision.1.3 Safety of the vehicle in a subsequent collision.1.4 Noise and leakage (wind noise, water leaks, squeaks, rattles, noise/vibration/harshness, etc.)1.5 Excessive wear (hinges, latches, etc.) and operating efforts.SAE INTERNATIONAL J1828 Revised JUN2014 P
11、age 2 of 222. Collision Repair Technician Expectations - Collision repair technician expectations fall into the following seven general categories:2.1 Available, timely dimensional data.2.2 Accurate data (publishing as many dimensions as possible and practicable, defining appropriate tolerances, and
12、 providing a means of resolving discrepancies between published and measured dimensions).2.3 Simple-to-use dimensional data.2.4 Dimensions compatible with the equipment most commonly used in the shops.2.5 Reasonable access to measuring points on the vehicles, including identifying “hidden” reference
13、 points” (covered with tape and undercoating).2.6 “Critical” dimensions are defined as follows: This includes selecting reference points that will remain consistent during the life of the vehicle, identifying locations and tolerances for front and rear subframes, identifying locations of bolt-on com
14、ponents (steering, suspension, etc.) to front or rear subframes, and the locations of these subframes to the body, identifying what reference points can be used when components are still mounted on the vehicle, and defining upper body dimensions.2.7 Regardless of the information source, any illustra
15、tions used should be readable by the average repair technician, reproducible and representative of the vehicle design.2.8 Regardless of the information source, the vehicle about which the information is provided should be perfectly identified through model, version and model year information.b. New
16、Body Structure Design and Manufacturing SystemsRelatively new body structure design and manufacturing systems include “No-Adjust-Build,” and Hydropiercing. There have also been expansions in the use of front and rear suspension subframes and one-piece body side stampings. These technologies require
17、control features (holes, slots, etc.) that may appear similar to those traditionally used by technicians but which now perform different functions for production manufacturing, inspection, and assembly. A brief summary of these new body structure designs is described in Appendix A.1.c. Collision com
18、puterized measuring systems have become the industry standard in recent years. A 2010 survey of U.S. collision repair shops by an industry trade publication indicated that during the fifteen years up to 2009, the number of shops with computerized measuring systems had increased to 50%. Although the
19、focus of this Recommended Practice is on computerized systems, mechanical measuring systems are still being sold A brief summary of some typical systems is described in Appendix A.2.TABLE OF CONTENTS1. SCOPE 4 1.1 Purpose. 4 2. REFERENCES 4 2.1 Applicable Documents 4 3. DEFINITIONS . 4 3.1 DIMENSION
20、S . 4 3.2 LIGHT TRUCK 5 SAE INTERNATIONAL J1828 Revised JUN2014 Page 3 of 224. TECHNICAL REQUIREMENTS 5 4.1 Datum Planes 5 4.2 Dimensional Data Format . 5 4.3 Types of Measuring Points . 11 4.4 Measurement Point Locations (Center of Hole versus Edge of Hole) 11 4.5 Type of Measurement (In-Plane vers
21、us Point-to-Point versus XYZ Coordinates, Normal to Datum Planes versus Diagonal). 11 4.6 Cross-Car versus Measurements from Centerline . 12 4.7 Description of Measurement Point Locations . 12 4.8 Symmetrical Dimensions. 13 4.9 Tolerances 13 4.10 Suspension Locating Points 15 4.11 Steering Gear Loca
22、ting Points 15 4.12 Engine/Drivetrain Locating Points. 15 4.13 Body-to-Chassis Locating Points 15 4.14 The vehicle manufacturer and the information and equipment suppliers should provide XYZ dimensions for the mountings points of the door hinges and the door lock to the body. 15 4.15 Scale . 15 5. D
23、ESIGN GUIDELINES 15 5.1 Master Control Locators 15 5.2 Body Center Marks . 15 6. COMMUNICATIONS. 16 6.1 Recommended Information. 16 6.2 Translation of OEM Computer-Aided Design Files. 17 6.3 Feedback Communications Channels 17 7. NOTES 18 7.1 Marginal Indicia . 18 APPENDIX A 19 FIGURE 1 DATUM PLANES
24、 5 FIGURE 2 PLAN AND SIDE VIEWS - UNDERBODY (PLAN VIEW LOOKING UP FROM UNDERNEATH) . 6 FIGURE 3 FULL SIDE VIEW 7 FIGURE 4 FRONT VIEW 7 FIGURE 5 REAR VIEW 8 FIGURE 6 ENGINE COMPARTMENT VIEW. 8 FIGURE 7 SYMBOLS DEFINING DIRECTION OF VIEW . 9 FIGURE 8 SYMBOLS DEFINING DIRECTION OF VIEW MEASURING POINT
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