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. 2013 by Navistar, Inc. AUGUST 2013 Page 1 of 7 NAVISTAR, INC. CEMS (CORPORATE ENGINEERING MATERIAL SPECIF
2、ICATION) NUMBER: CEMS F-3 TITLE: Composite Air Brake Push-to-Connect (PTC) Fittings CURRENT ISSUE DATE: AUGUST 2013 WRITTEN/REVIEWED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES ISSUE OF: N/A PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specif
3、ication 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 and to determine the applicability of regulatory limits prio
4、r to use. Change Notice: NEW 1.0 SCOPE This document contains design and performance requirements for composite air brake fittings. 2.0 INTRODUCTION This specification covers general requirements, property and performance requirements, identification, quality, packing and shipping, and source approv
5、al and quality control requirements. 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 CEMS B-50 specification. 3.0 CONTENTS PAGE REFERENCE DOCUMENTS 2 MATERIAL 2 DESIGN GUIDLINES AND
6、DIMENSIONS 4 PROPERTY AND PERFORMANCE REQUIREMENTS 5 QUALIFICATION 6 SOURCE APPROVAL AND QUALITY CONTROL 6 DESIGNATION ON DRAWINGS AND PURCHASE ORDERS 7 PACKING AND SHIPPING 7 TECHNICAL INFORMATION 7 NUMBER: CEMS F-3 TITLE: Composite Air Brake Push-to-Connect (PTC) Fittings CURRENT ISSUE DATE: AUGUS
7、T 2013 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. 2013 by Navistar, Inc. AUGUST 2013 Page 2 of 7 4.0 REFERENCE DOCUMENTS Unless otherwise specified,
8、 the latest issue of all referenced standards shall apply. The following standards, specifications and regulations are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 NAVISTAR CEMS B-50 FMVSS 571.106 NAVISTAR Manufacturing Standard MS-D-13 NAVISTAR TMS-7006 SAE J2494-2
9、 NAVISTAR CEMS F-2 NAVISTAR TMS-9543 SAE J2494-3 CFR Title 29, Part 1910 5.0 MATERIALS The body of the fittings shall be made of a composite material that meets all SAE J2494-3 material test requirements and complies with CEMS B-50. 5.1 Composite Body Material Requirements The composite body materia
10、l requirements are shown in Table 1 below, and will be composed of a Glass-filled Nylon 6,10, or Glass-filled Nylon 12. Material Properties (conditioned) Minimum Requirement Tensile Modulus 4800 MPa Elongation at Break 7% Tensile Strength at Break 85 MPa Charpy notched impact strength, Room Temp. 18
11、 kJ/m2 Charpy notched impact strength, -30 C 11 kJ/m2 Table 1: Properties for composite body NUMBER: CEMS F-3 TITLE: Composite Air Brake Push-to-Connect (PTC) Fittings CURRENT ISSUE DATE: AUGUST 2013 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permiss
12、ion from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2013 by Navistar, Inc. AUGUST 2013 Page 3 of 7 5.2 O-ring Material O-rings will be made from a low-temp Nitrile. See Table 2 for physical properties and requirements. Physical Property Requirement ASTM Tes
13、t Method Original Properties Hardness, Shore A 70 5 D2240 Tensile strength, MPa (psi), min. 8 (1160) D412 Ultimate elongation, pct., min. 200 D412 Specific gravity Report D297 Color Blue N/A Cure System Sulfur Heat Aging (70 hours at 100C (212F) D573 Hardness change, pts., Shore A 15 Tensile strengt
14、h change, pct. 30 Ultimate elongation change, pct., max. -50 Compression Set, Solid (22 hours at 100C (212F) D395 Method B pct. of original deflection, max. 25 Fluid Aging, IRM 901 Oil (70 hours at 100C (212F) D471 Hardness change, pts., Shore A -5 to 10 Tensile strength change, pct., max. -25 Ultim
15、ate elongation change, pct., max. -45 Volume change, pct. -10 to 5 Fluid Aging, IRM 903 Oil (70 hours at 100C (212F) D471 Hardness change, pts., Shore A -15 to 5 Tensile strength change, pct., max. -45 Ultimate elongation change, pct., max. -45 Volume change, pct. 0 to 40 Low Temp Resistance (3min.
16、at -55C) Pass D2137 Table 2: Physical Properties and Requirements for O-ring Material NUMBER: CEMS F-3 TITLE: Composite Air Brake Push-to-Connect (PTC) Fittings CURRENT ISSUE DATE: AUGUST 2013 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission fro
17、m Corporate Technical Standards. Suppliers are required to assume all patent liability. 2013 by Navistar, Inc. AUGUST 2013 Page 4 of 7 6.0 DESIGN GUIDELINES AND DIMENSIONS The fitting consists of the components shown in Figure below: Pressure containing components of the assembly must be connected b
18、y a barbed interference fit with the composite body. Connections which rely on secondary operations such as ultrasonic welding and/or secondary compression rings are expressly prohibited. The product shall meet SAE J2494-2 for design and dimensions. Hex width shall follow the standard sizing defined
19、 in the following table. Standard Hex Sizing Tube End Size 1/4“ 3/8“ 1/2“ 5/8“ 3/4“ Male NPTF Size1/8“ 9/16“ 3/4“ 1/4“ 15/16“ 3/8“ 1 1/16“ 1/2“ 1 3/16“ O-ring - Nitrile Collet - Brass Barbed Sleeve - Brass Composite Body Inner Tube Support Deep Drawn Stainless Steel or Brass Threaded End - Brass NUM
20、BER: CEMS F-3 TITLE: Composite Air Brake Push-to-Connect (PTC) Fittings CURRENT ISSUE DATE: AUGUST 2013 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. 2
21、013 by Navistar, Inc. AUGUST 2013 Page 5 of 7 Composite fittings with a threaded connection must contain an ergonomic style swivel with a maximum torque found in the following table. Rotational Torque Requirements for positionable fittings Tube O.D. 1/4“ 3/8“ 1/2“ 5/8“ 3/4“ Min Fitting shall not swi
22、ng freely after being placed into desired position. Max 4 in-lb 4 in-lb 6 in-lb 6 in-lb 6 in-lb All suppliers need to ensure that their fitting complies with currently available Navistar tubing ends both flexible and rigid. See matrix below: Tube Insertion Ends Fitting Size Nylon 11 Nylon 12 Eclipse
23、 Norgren Stem Fitting Parker Stem Fitting Stem Pressure Transducers Stem Brake Switches 1/4“ Y Y Y Y Y Y Y 3/8“ Y Y Y Y Y Y Y 1/2“ Y Y Y Y Y N/A N/A 5/8“ Y Y Y Y Y N/A N/A 3/4“ Y Y Y Y Y N/A N/A Table 3: Fitting Size to Tube material matrix 7.0 PROPERTY AND PERFORMANCE REQUIREMENTS Assemblies shall
24、meet the requirements of TMS-7006, FMVSS 571.06, and SAE J2494-3 as applicable. 7.1 Test Requirements for Rigid Plastic Stems Stem fittings shall be tested to the following requirements of FMVSS 571.106 and SAE J2494-3: Test Description FMVSS 571.106 S11.3.1 Construction FMVSS 571.106 S11.3.17 Tensi
25、le strength FMVSS 571.106 S11.3.21 End fitting retention FMVSS 571.106 S11.3.22 Thermal conditioning and end fitting retention SAE J2494 S3.2 Air leakage SAE J2494 S3.6 Reassembly test Table 4: Test for rigid plastic stems NUMBER: CEMS F-3 TITLE: Composite Air Brake Push-to-Connect (PTC) Fittings CU
26、RRENT ISSUE DATE: AUGUST 2013 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. 2013 by Navistar, Inc. AUGUST 2013 Page 6 of 7 7.2 Stem Pressure Transducer
27、s, Stem Brake Switches, and Plugs Stem pressure transducers, stem brake switches, and plugs shall be tested to the following requirements of FMVSS 571.106 and SAE J2494-3: Test Description FMVSS 571.106 S11.3.21 End fitting retention FMVSS 571.106 S11.3.22 Thermal conditioning and end fitting retent
28、ion SAE J2494 S3.6 Reassembly test Table 5: Tests for Stem Pressure Transducers, Stem Brake Switches, and Plugs 8.0 QUALIFICATION Material and processes submitted for approval to this specification shall include the following: 8.1 Report: A detailed and signed test report documenting testing to this
29、 specification prepared as per TMS-9543. The report will include actual test data not merely test summaries. 8.2 Failure Modes: Test samples or photographs showing failure modes for each destructive test as necessary to fully describe those failure modes. Descriptions are adequate if the mode is eas
30、ily understandable (no trade names or internal names to be used) and not unexpected. Unexpected failure modes shall be described or pictured as completely as possible. 8.3 Test Procedure: The procedure used for preparing, curing and assembling materials for test. Include any chemicals or assembly ai
31、ds and how they were used. 8.4 Analysis: A detailed analysis of the test results including assumptions made, unexpected results, and an explanation of any non-compliant results. 8.5 Submission: The material and test report shall be submitted to: Manager of Materials Engineering 10400 W. North Avenue
32、 Melrose Park, IL 60160 9.0 SOURCE APPROVAL AND QUALITY CONTROL 9.1 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 (Productio
33、n 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. 9.2 Approval Parts supplied against contracts or purchase orders citi
34、ng this specification shall be equivalent in all respects to those samples, 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 labeling of the pr
35、oduct 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 NUMBER: CEMS F-3 TITLE: Composite Air Brake
36、Push-to-Connect (PTC) Fittings CURRENT ISSUE DATE: AUGUST 2013 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. 2013 by Navistar, Inc. AUGUST 2013 Page 7
37、of 7 updated Material Safety Data Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 will be submitted with the request for change. 9.3 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. Pro
38、duction shall be carried out under controlled conditions. Controlled conditions shall include, as applicable, a) the availability of information that describes the characteristics of the product, b) the availability of work instructions, as necessary, c) the use of suitable equipment, d) the availab
39、ility and use of monitoring and measuring equipment, e) the implementation of monitoring and measurement, and f) the implementation of product release, delivery and post-delivery activities. Characteristics shall be measured and monitored to verify that product requirements have been met. This shall
40、 be carried out at appropriate stages of the product realization process in accordance with planned arrangements. Evidence of conformity with the acceptance criteria shall be maintained. The release of product and delivery of service to the customer shall not proceed until the planned arrangements h
41、ave been satisfactorily completed, unless otherwise approved by a relevant authority and, where applicable, by Navistar. The part supplier and the quality control manager of the using NAVISTAR plant may determine testing and reporting requirements on specific products. 9.4 Cleanliness Parts shall me
42、et CEMS F-2 Level III for cleanliness. 10.0 DESIGNATION ON DRAWINGS AND PURCHASE ORDERS Designation on drawings and purchase orders will include Connector Type, Material, size, and this specification. Example: PTC ”, CEMS F-3 11.0 PACKING AND SHIPPING Packing, shipping and identification shall be in
43、 accordance with Manufacturing Standard MS-D-13. 12.0 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:/
