NAVISTAR MPAPS F-6036-2014 Air Brake Hose and Hose Assemblies Permanent Fittings Type A.pdf
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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. 2014 by Navistar, Inc. DECEMBER 2014 Page 1 of 5 NAVISTAR, INC. Material, Parts, and Process Specificati
2、ons (MPAPS) NUMBER: MPAPS F-6036 Former Designation: TMS-6036 TITLE: Air Brake Hose and Hose Assemblies, Permanent Fittings, Type A CURRENT REV No.: 1412 DATE: Dec. 2014 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: TMS-6036 April 2009 PRINTED COPIES OF THIS
3、 DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may 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 a
4、nd to determine the applicability of regulatory limits prior to use. Change Notice: Changed to new MPAPS format; editorial changes. 1.0 APPLICATION This specification covers reinforced hose and hose assemblies with permanently attached end fittings for use in the air brake system. 2.0 SCOPE This spe
5、cification covers general, property and performance requirements, designation on drawings, quality, source approval and quality control, and approved sources. 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply with
6、 the requirements of the MPAPS B-50 specification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standards shall apply. The following Specifications, Standards, and Regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949
7、 NAVISTAR MPAPS A-40 ASTM D 395 NAVISTAR Engineering Design Std A-16 NAVISTAR CEMS C-3 ASTM D 622 CFR Title 29, Part 1910 NAVISTAR MPAPS B-50 SAE J246 NAVISTAR Manufacturing Std. MS-D-13 FMVSS 106 SAE J1402 NAVISTAR MPAPS A-0, Pt. I ASTM D 3395 NAVISTAR MPAPS A-0, Pt. II ASTM D 380 4.0 REQUIREMENTS
8、Product supplied to the requirements of this specification shall meet all requirements of FMVSS 106 and SAE J1402 for Type A Hose. 4.1 Hose Construction The hose consists of a suitably blended ethylene-propylene-diene-terpolymer (EPDM) tube suitably reinforced with polyester textile fabric and EPDM
9、cover. 4.2 Fittings - Reference SAE J246 The hose fittings shall be permanently attached with a brass interior (the metal exposed to the interior air). The exterior components (nut and cuff) may be brass or steel. NUMBER: MPAPS F-6036 TITLE: Air Brake Hose and Hose Assemblies, Permanent Fittings, Ty
10、pe A REVISION: 1412 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. 2014 by Navistar, Inc. DECEMBER 2014 Page 2 of 5 4.2.1 Minimum Material Requirements
11、4.2.1.1 Brass For bar or extruded stock: C36000 (Half hard), C34500, or C35000 per CEMS C-3. For forgings: C37700 per CEMS C-3. 4.2.1.2 Steel Shall meet requirements of Code 0-115 per MPAPS A-0, Part II Flareless type ferrules will be made from steel 1008, 1010, 1112, or 12L14 per MPAPS A-0, Part I,
12、 and case hardened to Class 3 or Class 3A per MPAPS A-40, Section A. 4.3 Paint Mask All hose assemblies provided to NAVISTAR production facilities shall have a removable paint mask covering the entire length of exposed hose. 4.4 Dimensions And Tolerances The dimensions and tolerances of hose and hos
13、e assemblies shall conform to SAE J1402 for Type A hoses. 4.5 Property And Performance Requirements Hose and hose assemblies shall meet the requirements of FMVSS 106 and SAE J1402 for Type A hose, and additional requirements of this specification. All tests shall be performed in accordance with ASTM
14、 D 380 and/or ASTM D 622 unless otherwise indicated. 4.5.1 Original Properties TUBE AND COVER REQUIREMENTS Tensile Strength, MPa, min 7.0 Elongation, %, min. 200 Durometer, Shore A 70 - 85 Cold Flexibility (Tube and Cover): -40 C (-40 F) Shall not crack, check, or break Compression Set (Tube and Cov
15、er): ASTM D 395, Method B, 22 hours at 100 C 40% maximum Dynamic Ozone Resistance: ASTM D 3395 Method A, 100 pphm, 100 hours No cracks visible at 7X magnification Adhesion (minimum) 1.4 Nm/m (8 lbf/in) 4.5.2 Heat Aged Properties 4.5.2.1 Method Age material and hose assemblies for 168 hours at 100 C
16、(212 F) prior to test. Hose assemblies shall be tested in the same manner as required in SAE J1402 “High Temperature Resistance“. 4.5.2.2 Required Tensile Strength 80% minimum retention Elongation 50% minimum retention Hardness 10 points maximum change Burst 900 psi minimum There shall be no crackin
17、g, charring, or disintegration after straightening and the hose shall meet the“Proof Pressure“ requirements of SAE J1402. NUMBER: MPAPS F-6036 TITLE: Air Brake Hose and Hose Assemblies, Permanent Fittings, Type A REVISION: 1412 This document is restricted and may not be sent outside Navistar, Inc. o
18、r reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2014 by Navistar, Inc. DECEMBER 2014 Page 3 of 5 5.0 QUALITY Parts supplied to this specification shall be free from parting line flash, wrinkles, voids, and other processing de
19、fects affecting performance in the application. All parts produced to this specification shall be clean and free of dirt, grease, and contamination. All debris from cutting and processing shall be removed. Any internal release agents shall be flushed from the inside of the part. There shall be no fl
20、ash exposed on the ID of the part. Parts shall be free of voids and/or reinforcement splices. External flash shall be no greater than 1.60 mm (.063 inches). Surfaces of the mold will conform to good machine shop practice; no micro-inch finish is specified. 6.0 QUALIFICATION Engineering qualification
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