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. 2009 by Navistar, Inc. APRIL 2009 Page 1 of 5 NAVISTAR, INC. TMS (TRUCK MATERIAL SPECIFICATION) NUMBER:
2、TMS-7029 TITLE: Coiled Nylon Air Brake Tubing CURRENT REV. No.: 0904 DATE: April 2009 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: Rev C - August 2003 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve hazar
3、dous 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. Change Notice:
4、Replaced “International Truck and Engine Corporation” with “Navistar, Inc.” per corporate directive; added CEMS B-50 requirement; changed paint requirement in Sec. 4.4; revised Sec. 5.0 revised Sec. 7.0 and 9.0; added Sec. 10.0; editorial changes. Reference: File 20-3 Keywords: Air Brake Tubing; Nyl
5、on; Coiled 1.0 APPLICATION This specification outlines the minimum requirements for a coiled nylon tubing assembly that may be used in the air brake system. The use of this product is restricted by SAE J844 and must have approval of Truck Development and Technology Center Brake Group. 2.0 SCOPE This
6、 specification covers the general requirements, property and performance requirements, and the quality control requirements. An approved source list is included. 2.1 Restricted Chemical Substances Effective January 1, 2007, all product supplied to the requirements of this specification must comply w
7、ith the requirements of the CEMS B-50 specification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified the latest issue of all referenced standards shall apply. The following specifications and standards are referenced in this specification. Quality System Standard ISO 9001 or TS-16949 BMCS MC-41 T
8、MS-9528 NAVISTAR Eng. Design Std. A-16 CFR Title 29, Part 1910 TMS-9543 NAVISTAR CEMS G-18 ASTM D 622 NAVISTAR CEMS G-20 ASTM A 318 NAVISTAR TMS-7006 ASTM D 2122 NAVISTAR TMS-9009 SAE J844 FMVSS 571.106 CEMS B-50 4.0 GENERAL REQUIREMENTS The tubing and completed assembly shall meet the provisions ou
9、tlined in the various requirements of this specification and the requirements of the latest issue of the following standards: 1) SAE J844 Reinforced Type Air Brake Non-Metallic Tubing. 2) Federal Motor Vehicle Safety Standard 571.106. 3) Federal Highway Administration Bureau of Motor Carriers Safety
10、 Requirements (Docket No. MC-41, Notice 73-9). 4) NAVISTAR Materials Specification TMS-7006. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: TMS-7029 TITLE: Coiled Nylon A
11、ir Brake Tubing REVISION: 0904 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. 2009 by Navistar, Inc. APRIL 2009 Page 2 of 5 4.1 Material The assemblies
12、shall be constructed of reinforced tubing meeting the requirements of SAE J844 and TMS-7006. 4.2 Appearance The tubing assembly shall conform to and be equivalent in surface finish and color to that of the pre-production samples approved by TDTC. Assemblies supplied to this specification shall be sm
13、ooth and uniform, free from any visible defects, foreign matter, kinks, seams or any other conditions that would impair the performance. 4.3 Color The tubing formulation shall be consistent in hue and of uniform saturation so that it matches the appearance of pre-production approved samples and meet
14、s the applicable color requirements of the aforementioned standards. Approved color shall be designated on the assembly drawing. 4.4 Fittings Fittings shall be made from brass and spring guards of steel, meeting the dimensional requirements shown on the engineering drawing. Steel shall be plated wit
15、h zinc plating, Class 8A, CEMS G-20 or painted per TMS 9009, Class IIA. Spring guard free end shall be rounded and relieved to prevent abrasion of nylon tubing. 4.5 Property And Performance Requirements All assemblies furnished to this specification shall meet the provisions and requirements of SAE
16、J844, FMVSS 571.106, BMCS MC-41, TMS-7006, and, in addition, the following requirements: 4.5.1 Sag Resistance 4.5.1.1 Method Extend coiled assembly to the maximum recommended working length (as specified on the part drawing) in a horizontal position by clamping at ends and hold for 16 hours at 24 3C
17、 (75 5F). While in the extended position, measure the deflection from a horizontal line at top of the coil at the assembly mid-point. Reduce the extension of the assembly to 50% of the recommended working length and hold. After 30 minutes, repeat the sag measurement. 4.5.1.2 Required Sag from the ho
18、rizontal shall not exceed 4% of the maximum working length for full extension nor more than 8% of maximum working length for 50% extension. 4.5.2 Force of Extension 4.5.2.1 Method Extend coiled assembly to the maximum recommended working length at 24 3C (75 5F). Using a spring scale or other suitabl
19、e measurement device, determine total force of extension. 4.5.2.2 Required Force to extend to maximum working length shall not exceed 66.7 N (15 lbf). 4.5.3 Ovality - Nylon Tubing 4.5.3.1 Method: ASTM D 2122, Section #7, Calculations M in im u m O .D.ax im u m O .D. x 1 0 0 4.5.3.2 Required: Shall b
20、e a minimum of 75% ovality. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: TMS-7029 TITLE: Coiled Nylon Air Brake Tubing REVISION: 0904 This document is restricted and ma
21、y not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. APRIL 2009 Page 3 of 5 4.5.4 Restriction 4.5.4.1 Method: Measure the inside diameter of the metallic sleeve (sleeve
22、inside tubing). 4.5.4.2 Required: A 12.7 mm (1/2 in) O.D. coiled assembly shall have a minimum sleeve I.D. of 8.0 mm (0.315 in). 4.5.5 Fitting Tensile 4.5.5.1 Method: ASTM D 622 4.5.5.2 Required: Minimum pull-off shall be 1.45 kN (325 lbf) 4.5.6 Spring Guard Tensile 4.5.6.1 Method: ASTM A 318, Secti
23、on 3, with cross head speed of 2.5 cm (1 in) per minute. 4.5.6.2 Required Minimum force to remove spring from fitting shall be 445 N (100 lbf). 4.5.7 Quality Control Requirements The supplier shall perform the following control tests on production parts and on a continuing basis according to the tes
24、t frequency stipulated: 4.5.7.1 Leak Test Two assemblies per lot shall show no leakage when tested for five minutes under 1.4 MPa (200 psi) air pressure. Leakage of sample part shall require 100% leak testing of the subject lot. Note: A lot is defined as the product of one size and/or color assembli
25、es made during one day of production. 5.0 QUALITY Parts and assemblies will meet the cleanliness requirements of TMS-9528. All product produced to this specification will be clean, free of dirt, grease, and contamination. All debris from cutting and processing will be removed. Any internal release a
26、gents shall be flushed from the inside of the tubing. There shall be no fabric or flash exposed on the ID of the hose. Parts shall be free of voids and/or reinforcement splices. 5.1 KCC Key Control Characteristics Refer to Engineering Design Standard A-16. Unless specific exception is noted on the e
27、ngineering drawing, blueprint, and/or purchase order, the following features/characteristics are identified as features for which management by statistical process control is mandatory for all tube and/or tube assemblies supplied to the requirements of this specification. Ovality Restriction Length
28、5.2 Certification Assemblies supplied to this specification shall be certified and records maintained to compliance with SAE J844 and TMS-7006. These records shall be subject to periodic review by International Quality Personnel 5.3 Qualification Material and processes submitted for approval to this
29、 specification shall include the following: 5.3.1 Report: A detailed and signed test report documenting testing to this specification prepared as per TMS-9543. The report will include actual test data not merely test summaries. Copyright Navistar International Corporation Provided by IHS under licen
30、se with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NUMBER: TMS-7029 TITLE: Coiled Nylon Air Brake Tubing REVISION: 0904 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Stand
31、ards. Suppliers are required to assume all patent liability. 2009 by Navistar, Inc. APRIL 2009 Page 4 of 5 5.3.2 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
32、ily understandable (no jargon) and not unexpected. Unexpected failure modes shall be described or pictured as completely as possible. 5.3.3 Test Procedure: The procedure used for preparing, curing and assembling materials for test. 5.3.4 Analysis: A detailed analysis of the test results including as
33、sumptions made, unexpected results and an explanation of any non-compliant results. 5.4 Submission The material test report shall be submitted to: Manager of Non-Metallic Materials Materials Engineering and Technology Navistar, Inc. PO Box 1109 Fort Wayne, IN 46801 6.0 SOURCE APPROVAL AND QUALITY CO
34、NTROL 6.1 Supplier Requirements All suppliers to Navistar Inc. 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 (Production Part Approval Process) documentation and approval r
35、equirements. Suppliers must maintain their certification with an accredited registrar and must furnish copies of registration certificates to their Navistar Corporate Buyer upon request. 6.2 Approval Parts supplied against contracts or purchase orders citing this specification shall be equivalent in
36、 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 labeling of the product are required, the supplier s
37、hall notify Materials Engineering at TDTC and Purchasing and Logistics 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 Data Sheet(s) (MSDS), in accordance with CFR Title 29, Part 1910 s
38、hall be submitted with the request for change. 6.3 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 of the lot having been produced in a state of statistical control
39、 and with a process capable of providing all required properties. The part supplier and the plant metallurgist and/or the quality control manager of the using Navistar plant may determine testing and reporting requirements on specific products. 7.0 SHIPPING, PACKING AND IDENTIFICATION The tubing and
40、 fittings furnished to this specification shall comply with the identification requirements of the Federal Motor Vehicle Safety Standard 571.106, SAE J844, and TMS-7006. Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking
41、permitted without license from IHS-,-,-NUMBER: TMS-7029 TITLE: Coiled Nylon Air Brake Tubing REVISION: 0904 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 liabilit
42、y. 2009 by Navistar, Inc. APRIL 2009 Page 5 of 5 8.0 DESIGNATION ON DRAWINGS TMS-7029 9.0 APPROVED SOURCES Eaton Parker Hannifin 10.0 TECHNICAL INFORMATION For further information related to the technical content of this specification, contact: Suppliers may purchase controlled copies of this specif
43、ication by contacting: Materials Engineering and Technology Dept. Truck Development and Technology Center 2911 Meyer Road Fort Wayne, IN 46803 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:/ Copyright Navistar International Corporation Provided by IHS under license with INTERNNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
