NAVISTAR TMS 6004-2013 Pads Rubber Plied.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. 2013 by Navistar, Inc. OCTOBER 2013 Page 1 of 4 NAVISTAR, INC. TMS (TRUCK MATERIAL SPECIFICATION) NUMBER:
2、 TMS-6004 TITLE: Pads, Rubber Plied CURRENT REV No: 1310 DATE: OCTOBER 2013 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSIDES: Rev. 1302 FEBRUARY 2013 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR CURRENT REVISION This specification may involve hazardous m
3、aterials, 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: Added
4、Type V; editorial changes. Reference: File 30-16A Keywords: Plied Rubber Pads 1.0 APPLICATION This specification pertains to a cured rubber material that is suitable for vibration damping, ride cushioning, and miscellaneous sound deadening applications. Types I and II are industrial belting type mat
5、erial that are sheet material made of several plies with cords alternately perpendicular to each other. Type III is a milled bias ply tire product often used in body mounts and exhaust hanger applications. Type IV is reserved. Type V is RMA Grade II Garlock or HYC material (RMS Standard is: CONVEYER
6、 BELT COVER CHARACTERISTICS AND CLASSIFICATIONS). 2.0 SCOPE This specification covers material properties, dimensional tolerances, quality requirements, quality control and source approval, shipping and identification, and designation on drawings. 2.1 Restricted Chemical Substances Effective January
7、 1, 2007, all product supplied to the requirements of this specification must comply with 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 standards, specifications, and regulat
8、ions are referenced in this specification: Quality System Standard ISO 9001 or TS-16949 ASTM D412 CEMS B-50 NAVISTAR Manufacturing Standard MS-D-13 ASTM D624 ASTM D575 CFR Title 29, Section 1910 ASTM D1149 4.0 REQUIREMENTS Material supplied to this specification shall meet the property requirements
9、specified in the table on the next page. 4.1 Ozone/Weather Resistance - ASTM D 1149, Method B 70 hours at 505 MPa, (50 pphm ozone), at 38C (100F) 4.1.1 Required No visible attack, cracks, crazing, or deformation under a magnification of 7x. NUMBER: TMS-6004 TITLE: Pads, Rubber Plied REVISION: 1310 T
10、his 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. OCTOBER 2013 Page 2 of 4 Property Type I Type II Type III Type IV Type V Tensile St
11、rength (Per ASTM D 412, Die A) Warp Direction, Minimum, MPa (psi) 34.5 (5000) 36.9 (5350) 8.0 (1160) 10.0 (1450) 14 (2000) Tensile Strength (Per ASTM D 412, Die A) Weft Direction, Minimum, MPa (psi) 34.5 (5000) 21.0 (3050) 8.0 (1160) 10.0 (1450) 14 (2000) Elongation, min. % 15% 25% 25% 300% 400% Tea
12、r Strength (Per ASTM D 624, Die A or B) Warp Direction, Minimum, MPa (psi) 6.2 (900) 14.1 (2050) 5.0 (725) 26 kN/m Report Tear Strength (Per ASTM D 624, Die A or B) Weft Direction, Minimum ,MPa (psi) 6.2 (900) 12.1 (1750) 5.0 (725) 26 kN/m Report Hardness, Shore A (points) 75-95 57 - 67 50-65 70 Rep
13、ort Heat Aging After 70 Hours at 67-73C (153-163F) Change in Tensile Strength Warp Direction, max -25% -20% -25% -20% -20% Change in Tensile Strength Weft Direction, max -25% -20% -25% -20% -20% Change in Elongation, max -25% -10% -25% -10% -10% Change in Hardness, Shore A, max 10 Points 10 Points 1
14、5 Points 10 Points Report Static Compression Deflection, kN 20% Report Report 1.7 4.5 Report 4.2 Static Compression Deflection ASTM D575 Method A Bus Body mounts only. Compress pad to 50% of total thickness. Measure load at 4.0 mm deflection. 4.2.1 Required See above Table. 4.3 Static Compression Lo
15、ading Compress bus body pad parts the same as 4.2 above to a maximum load of 80 kN or 98% of total thickness, whichever comes first. 4.3.1 Required No visible cracks or checks. Report recovered thickness after resting for one hour. 4.4 Fatigue Testing Fixture in a suitable test frame as done in 4.2
16、above. Apply a pre-load of 53 kN and cycle 1.4 kN at 4 Hz for 1,000,000 cycles. 4.4.1 Required No visible cracks or checks. Parts shall recover 50% of original thickness after resting 24 hours after test. 4.5 Dimensional Tolerances 4.5.1 Thickness 4.5.1.1 Types I and II: Thickness in sizes up to 25.
17、4 mm (1.0 in) shall be 0.8 mm ( .030 in) from the nominal dimension. 4.5.1.2 Type III and IV: Thickness 12-18 mm (.47-.71 in) shall be 0.8 mm ( 0.030 in) 4.5.1.3 Type V: Thickness should be specified on print per application. The engineer should contact the supplier at time of design and prior to an
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