1、 This document is restricted and may not be sent outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 1 of
2、 3 INTERNATIONAL TRUCK AND ENGINE CORPORATION TMS (TRUCK MATERIAL SPECIFICATION) NUMBER: TMS-7081 TITLE: Polypropylene, Chemically Coupled Mineral/Glass Reinforced, Fan Shrouds REVISION: E-1 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering DATE ISSUED: August 2001 PRINTED
3、COPIES OF THIS 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 heal
4、th practices and to determine the applicability of regulatory limits prior to use. Change Notice: Added Mineral Glass, Material Property and Editorial Changes Reference: File 30-14D, 09-3 Keywords: Fan Shrouds; Reinforced Polypropylene 1.0 APPLICATION Application of material covered by this specific
5、ation, chemically coupled mineral/glass reinforced thermoplastic polypropylene, is limited to the manufacture of injection molded fan shrouds. No other application of this material is permitted. NOTE 1: ENGINEERING DRAWINGS WHICH REFERENCE THIS SPECIFICATION FOR APPLICATIONS OTHER THAN FAN SHROUDS:
6、Contact Materials Engineering, Truck Development and Technology Center, for selection of alternate materials. NOTE 2: Existing fan shroud drawings referencing obsolete versions of this specification may use 6-digit “cell limits“ to specify property requirements. All such specifications (cell limits)
7、 are superseded by this specification. 2.0 SCOPE This specification covers requirements for basic material properties, tooling, quality, quality control and source approval, and shipping and identification. 3.0 REFERENCE DOCUMENTS Unless otherwise specified, the latest issue of all referenced standa
8、rds shall apply. The following standards, specifications and regulations are referenced in this specification. Quality System Standard QS-9000 (ISO 9001) ASTM D 638 INTERNATIONAL IQR Quality Standard ASTM D 790 INTERNATIONAL Manufacturing Standard D-13 ASTM D 792 CFR Title 29, Part 1910 ASTM D 955 A
9、STM D 256 ASTM D 2584 ASTM D 618 NUMBER: TMS-7081 TITLE: Polypropylene, Chemically Coupled Mineral/Glass Reinforced, Fan Shrouds REVISION: E-1 This document is restricted and may not be sent outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical
10、Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 2 of 3 4.0 REQUIREMENTS 4.1 Basic Properties Material used to produce fan shrouds shall meet the basic property requirements shown in Table 1. TABLE 1: BASIC MATE
11、RIAL PROPERTY REQUIREMENTS PROPERTY REQUIREMENT TEST METHOD Filler Content, Ave Weight % 33-37 ASTM D-2584 Specific Gravity: 1.14-1.20 ASTM D-792 Tensile Strength, Min. Average MPa (psi) 5.5 (8000) ASTM D-792 Tensile Modulus, Min. Average GPa (psi X 106) 5.52 (.80) ASTM D-638 Flexural Modulus, Min.
12、Average GPa (psi X 106) 3.4 (0.5) ASTM D-790 Deflection Temperature at 1.82 MPa (264 psi) 125C ASTM D-648 Izod Impact Strength, J. min. per 12.5mm width ftlbf min, per inch width 50 0.9 ASTM D-256 Heat Resistance, Condition 1,000 hours at 120 C (248 F) Retain minimum of 70% of room temperature Tensi
13、le, Flexural and Impact properties. ASTM D-618 Mold Shrinkage Range in./in. (cm/cm) .002 - .004 (.005-.010) ASTM D-955 Color Black Visual 4.2 Tooling The design of tooling to produce fan shrouds should be approved by a International Supplier Tooling Manager prior to construction of the tools. The su
14、pplier is responsible to produce finished parts meeting all dimensional requirements. 4.3 All tracings, drawings, templates, patterns, molds, models, etc. become the exclusive property of International and must be permanently identified as such. Tooling may not be scrapped or disposed of without wri
15、tten permission from International 5.0 QUALITY All product supplied shall be clean and free from dirt, oils, sharp edges, or defects harmful to product performance. NUMBER: TMS-7081 TITLE: Polypropylene, Chemically Coupled Mineral/Glass Reinforced, Fan Shrouds REVISION: E-1 This document is restrict
16、ed and may not be sent outside International Truck and Engine Corporation or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. Ge32001 by International Truck and Engine Corporation. AUGUST 2001 Page 3 of 3 6.0 SOURCE APPROVAL AND
17、 QUALITY CONTROL 6.1 Supplier Requirements Suppliers must conform to the requirements of the International IQR Quality Standard which includes conformance to the QS-9000 (ISO 9001) Quality System Standard. A mutually acceptable Quality Control Plan as described therein is required for source approva
18、l to the requirements of this specification. 6.2 Approval Parts supplied against contracts or purchase orders 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 a
19、pproval. In the event that changes in material, properties, processing practices, construction, color, or labeling of the product are required, the supplier shall notify Materials Engineering at TDTC and Purchasing and Supplier Development, of the proposed change(s). Test data indicating conformance
20、 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 shall be submitted with the request for change. 6.3 Process Control The supplier shall either perform and report results of tests o
21、n specific lots of parts produced or provide statistical evidence of 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 plant metallurgist and/or the quality control manager of the using Internatio
22、nal plant may determine testing and reporting requirements on specific products. 7.0 SHIPPING,PACKING AND IDENTIFICATION Loading, shipping, and identification shall be in accordance with Manufacturing Std. D-13. 8.0 DESIGNATION ON DRAWINGS The material shall be designated in the manner shown in the following example: Mineral/Glass Coupled Polypropylene, per TMS-7081. 9.0 APPROVED MATERIALS Thermofil P6-35FM-1309
