1、 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. FEBRUARY 2016 Page 1 of 8 NAVISTAR, INC. Material, Parts, and Process Specificati
2、ons (MPAPS) NUMBER: MPAPS L-6038 Former Designation: TMS-6038 TITLE: Rubber Hood Straps CURRENT REV No.: 1602 DATE: Feb. 2016 WRITTEN/EDITED BY: W. Cook APPROVED BY: R. Goluch SUPERSEDES: Rev. 0806 June 2008 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may
3、 involve hazardous materials, equipment, and procedures. This specification does not purport to address all of the safety issues associated with its use. The user is responsible to consult appropriate safety and health practices and to determine the applicability of regulatory limits prior to use. C
4、hange Notice: Supersedes TMS 6038; Corrected Type I load requirements in Table 2; Defined material property sampling requirements for Table 3 1.0 APPLICATION This specification covers rubber straps that are used as hood straps. These types of parts can be produced using various processes as may be d
5、ictated by the particular application and/or design. Type I Injection Molded EPDM for DuraStar, ProStar and WorkStar Hood (Part # 3544924C1) Type II Injection Molded EPDM for HX (SBA), TranStar. LoneStar, TerraStar, AE Bus, 5900 SBA w/DEAC Hoods (Part # 3811831C1) Type III Injection Molded EPDM for
6、CE Bus Hoods (Part # 499523C3) Type IV No Active Usage (Part # 556947C2) Type V No Active Usage (Part # 3577832C1) Type VI Injection Molded EPDM for 9100, 9200, 9400, 9900, HX (SFA), 5900 SFA Hoods (Part # 3604378C1) 2.0 SCOPE This specification covers the general requirements, property and performa
7、nce requirements and quality. 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all re
8、ferenced standards shall apply. The following standards, specifications and regulations are referenced in this specification. Quality System Standard ISO-9001 or TS-16949 CFR 29, Part 1910 ASTM D 2137 NAVISTAR Engineering Design Std. A-16 ASTM D 412 ASTM D 2240 NAVISTAR Manufacturing Std. MS-D-13 AS
9、TM D 624 ASTM D 3395 NAVISTAR MPAPS-9543 ASTM D 925 ASTM D 325 NAVISTAR MPAPS B-50 ASTM D 429 4.0 REQUIREMENTS (All Grades unless otherwise indicated) 4.1 General Requirements 4.1.1 Color Shall be black or charcoal gray in color. NUMBER: MPAPS L-6038 TITLE: Rubber Hood Straps REVISION: 1602 This doc
10、ument is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. FEBRUARY 2016 Page 2 of 8 4.1.2 Finish Parts shall be free of pin-holes, blow-holes, bubbl
11、es, mold flash and present a smooth exterior surface. 4.2 Property and Performance Requirements 4.2.1 Nick Resistance 4.2.1.1 Method: Cut a 5mm nick into the center of the strap on one of the radii with a razor blade (see Figs. 1 168 hours at 100 C Hardness Change, Shore A Tensile Change, % max. Elo
12、ngation Change, % max. + 10 - 25 - 25 + 10 - 25 - 25 +10 - 40 - 40 + 10 - 25 - 25 D 573 D 412, Die C Tear Strength, kN/m min. 25 kN/m N/A 25 kN/m N/A N/A 20.1 kN/m 25 kN/m N/A D 624, Die C D 624, Die B Ozone Resistance, No Cracks 7X magnification) Pass Pass Pass Pass D 3395, Method A (100 PPHM 40C)
13、Low Temp. Brittleness Non-Brittle after 3 min. -40C Non-Brittle after 3 min. -40C Non-Brittle after 3 min. -75C Non-Brittle after 3 min. -40C D 2137, Method A Staining Resistance Pass Pass Pass Pass D 925, Method B, control panel Compression Set, % max. 35 35 45 45 D 395, Method A (22 hrs. 100C) 4.3
14、 Dimensional Tolerances Unless otherwise specified, the dimensional tolerances shown in Table 4 of this specification shall apply, and the standard tolerances shown in the title block of the Engineering Drawing are not applicable. NUMBER: MPAPS L-6038 TITLE: Rubber Hood Straps REVISION: 1602 This do
15、cument is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. FEBRUARY 2016 Page 6 of 8 Table 4. Commercial Tolerancing (inches) (millimeters) Size Fix
16、ed Closure Size Fixed Closure 0-.40 .008 .013 0-10 .20 .32 .40-.63 .010 .016 10-16 .25 .40 .63-1.00 .013 .020 16-25 .32 .50 1.00-1.60 .016 .025 25-40 .40 .63 1.60-2.50 .020 .032 40-63 .50 .80 2.50-4.00 .025 .040 63-100 .63 1.00 4.00-6.30 .032 .050 100-160 .80 1.25 +6.30 multiply by .005 .008 +160 mu
17、ltiply by .005 .008 5.0 QUALITY All parts supplied to this specification shall be uniform in appearance and free from pinholes, blowholes, bubbles, and mold flash. No change in the formulation shall be made by the supplier without prior approval of Materials Engineering. 6.0 QUALIFICATION Engineerin
18、g qualification of sources is required in advance of production shipments. Samples shall be accompanied by test data certifying that all requirements of the specification have been met. The report will include: Actual test data not merely test summaries. Test samples or photographs showing failure m
19、odes for each destructive test as necessary to fully describe those failure modes. Descriptions are adequate if the mode is easily understandable (no jargon) and not unexpected. Unexpected failure modes shall be described or pictured as completely as possible. The procedure used for preparing, curin
20、g and assembling materials for test. A detailed analysis of the test results including assumptions made, unexpected results and an explanation of any non-compliant results. The material test report shall be submitted to: Chief, Materials Engineering Materials Engineering and Technology NAVISTAR, INC
21、. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN 6.1 Quality Control Plan A Quality Control Plan for products supplied to the requirements of this specification will be established by mutual agreement between NAVISTAR and the supplier. Unless specific exception is noted,
22、the NUMBER: MPAPS L-6038 TITLE: Rubber Hood Straps REVISION: 1602 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2016 by Navistar, Inc. FEBRUARY 2016 Pa
23、ge 7 of 8 following characteristics, where applicable*, shall be included in the plan as features for management by statistical process control.* Length and Nick Test * Other characteristics for inclusion in the control plan may be specified on the engineering drawing and/or purchase order. * See En
24、gineering Design Standard A-16. 7.0 SOURCE APPROVAL AND QUALITY CONTROL 7.1 Supplier Requirements All suppliers to NAVISTAR are required to be registered to ISO 9001 Quality System Requirements. NAVISTAR will also accept TS-16949 registration as long as the supplier can also fulfill all AIAG PPAP (P
25、roduction Part Approval Process) documentation and approval requirements. Suppliers must maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Corporate Buyer upon request. 7.2 Approval Parts supplied against contracts or purchase ord
26、ers citing this specification shall be equivalent in all respects to those samples which were approved by the purchaser. No changes in formulation or processing practices are permitted without approval. In the event that changes in material, properties, processing practices, construction, color, or
27、labeling of the product are required, the supplier shall notify NAVISTAR Materials Engineering and Purchasing and Supplier Development of the proposed change(s). Test data indicating conformance to all requirements of this specification, test samples, and new or amended or updated Material Safety Da
28、ta Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 shall be submitted with the request for change. 7.3 Process Control The supplier shall either perform and report results of tests on specific lots of parts produced using ISO 9001 or TS-16949 guidelines, or provide statistical evidence o
29、f the lot having been produced in a state of statistical control and with a process capable of providing all required properties. The part supplier and the quality control manager of the using NAVISTAR plant may determine testing and reporting requirements on specific products. 8.0 SHIPPING AND HAND
30、LING Shipping and identification shall be in accordance with NAVISTAR Manufacturing Standard MS-D-13. Parts shall be packaged so as to avoid any damage in shipment detrimental to the appearance of the part. 9.0 DESIGNATION ON DRAWINGS Examples: 1) EPDM Hood Strap, MPAPS L-6038, Type I 2) Silicone Ho
31、od Strap, MPAPS L-6038, Type IV 3) EPDM Hood Strap, MPAPS L-6038, Type VI KCNUMBER: MPAPS L-6038 TITLE: Rubber Hood Straps REVISION: 1602 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required
32、 to assume all patent liability. 2016 by Navistar, Inc. FEBRUARY 2016 Page 8 of 8 10.0 TECHNICAL INFORMATION For further information related to the technical content of this specification, contact: Suppliers may purchase controlled copies of this specification by contacting: Materials Engineering and Technology Dept. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN IHS Global Inc. 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/
