SAE J 1573-2011 OEM Plastic Parts Repair《OEM塑料件修复》.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 2011 SAE International All rights reserved. No part of this pub
3、lication 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
4、(outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/J1573_201112SURFACEVEHICLERECOMMENDEDPRACTICEJ1573 DEC2011 Issued 1987-02Revised 201
5、1-12Superseding J1573 OCT2008 OEM Plastic Parts Repair RATIONALEJ1573 has been updated to reflect more current automotive plastics applications statistics and repair procedure examples which reflect the current state of plastics repair technology. 1. SCOPE This SAE Recommended Practice defines the i
6、nformation required to repair the various types of plastics found on modern light-duty highway vehicles. Information is included for the repair and refinishing of most plastic body parts, both interior and exterior. Repair information is described for all commonly used plastics including, but not li
7、mited to, polyurethanes, polycarbonate blends, modified polypropylenes, polyethylenes and nylons. Repairs can be made to these types of plastics using two-part (2K) repair adhesives, plastic welding, and other materials available from body shop suppliers. When a new type of plastic is being introduc
8、ed to the market through a new vehicle program, specific repair and refinishing procedures should be provided, following the format in this document. Sheet-molded compounds (SMC), fiber-reinforced plastics (FRP) and carbon fiber reinforced plastics can also be repaired using slightly different proce
9、dures and repair materials. 1.1 Purpose The average composition of plastics and composites in U.S. vehicles has increased from approximately 230 pounds in 1995 to 350 pounds in 2008, with several types being used for structural and mechanical applications. Interior and exterior plastic body parts ha
10、ve become an integral part of the automotive design, reducing overall weight to aid in increasing fuel efficiency. The use of plastic compounds for these parts has expanded to include many variations of plastics and blends of plastics over the years. This document is intended to guide vehicle manufa
11、cturers, material suppliers, and equipment suppliers in providing timely repair information to repairers and insurers. Providing this information prior to vehicle introduction is necessary to allow damaged vehicles to be restored to their pre-accident condition.SAE J1573 Revised DEC2011 Page 2 of 9
12、2. REFERENCES 2.1 Applicable Documents The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendal
13、e, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.SAE J1344 Marking of Plastic Parts SAE J2376 New-Vehicle Collision Repair Information 3. REPAIRABILITY Determine the severity of damage to each part (Can the part be repaired?). Next determine the
14、cost of the part (Is it worth repairing?). Plastic body parts are either repaired or replaced with new OEM, Aftermarket, or Recycled Parts (Turn in old for a repaired part). 4. PUBLICATION REQUIREMENTS Requirements should conform to SAE J2376. 5. TECHNICAL CONTENTS 5.1 Regardless of the repair metho
15、d used, refer to the product suppliers instructions for proper application of the product being used. 5.2 Safety Precautions Include special warnings and procedures, related to vehicle repair, to avoid personal injury and property damage. It is not necessary to include standard industrial safety pra
16、ctices. 5.2.1 Personal Protection Include recommended safety equipment and precautions. 5.2.2 Hazardous Materials Include information on use of Material Safety Data Sheets, handling and disposal. 5.3 Tools and Materials Include information on recommended tools and materials. 5.4 Plastic Identificati
17、on Include methods of and special procedures for material identification. Examples include consulting manufacturers literature; locating ISO codes for plastic type on the back of the part (requires part removal); conducting a “floater test”, orconducting a visual inspection. Consult SAE J1344 for ad
18、ditional information. SAE J1573 Revised DEC2011 Page 3 of 9 5.5 Inspection for Damage Include information on conducting visual inspections, identifying the type of damage, and determining the appropriate repair procedure (i.e., one-sided versus two-sided repair). 5.6 Pre-Conditioning of Parts Includ
19、e information on recommended temperature and humidity conditions parts should be brought to before beginning repairs.5.7 Cleaning Include information on recommended cleaning materials and techniques, including the use of adhesion promoters or surface modifiers. 5.8 Removal of Distortion Include info
20、rmation on recommended equipment and techniques to remove distortions in flexible plastic parts, including hot water, hot-air guns or infrared lamps. 5.9 Grinding/Sanding Include information on recommended grits, featheredging techniques, size and shape of V-grooves, size of the area to be ground or
21、 sanded adjacent to the damaged area, how to stop running cracks in SMC panels, sanding psi and recommended sanding equipment. 5.10 Surface Preparation Include information on recommended adhesion promoters or surface modifiers and flame treating. 5.11 Alignment and Clamping Include information on re
22、commended alignment and clamping techniques. 5.12 Structural Reinforcement Include information on types of materials, application techniques, recommended sizes, and fabrication of backing (pyramid) patches and bridging strips. 5.13 Repair Materials Include information on recommended types of materia
23、ls, mixing, application tools and techniques, and recommended curing conditions. 5.14 Sanding Include information on recommended grits, tools and techniques. 5.15 Bonding Include information on types of bonding materials, tools, removal of bonded components, surface preparation, and application tech
24、niques.SAE J1573 Revised DEC2011 Page 4 of 9 5.16 Plastic Welding Include information on recommended equipment, welding tips, welding rod material compatibility, conducting a rod adhesion test, types of weld joints, operating temperatures, pre-heating of glass-reinforced thermoplastics, sectioning o
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