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NAVISTAR TMS 9605-2007 Engineering Weight Calculations (Revision B Includes Appendix).pdf

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. 2007 by International Truck and Engine Corporation. AUGUST 2007 Page 1 of 16

2、INTERNATIONAL TRUCK AND ENGINE CORPORATION TMS (TRUCK MATERIAL SPECIFICATION) NUMBER: TMS- 9605 TITLE: Engineering Weight Calculations REVISION: B WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering DATE ISSUED: August 2007 PRINTED COPIES OF THIS DOCUMENT MUST BE VERIFIED FOR

3、 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 and to determine the applicabil

4、ity of regulatory limits prior to use. Change Notice: Revised data related to fluids, oils, fuels, lubes. Added specs not previously included. Reference: Keywords: Weight Calculations 1.0 APPLICATION This specification establishes procedures to be used for Engineering weight calculations and provide

5、s values for density to be used in performing weight calculations for individual parts. This specification is applicable to all new design parts and all parts undergoing Engineering review for modification or change. In accordance with Unigraphics Standard-UG Common and DCP-Proc-003, a value for wei

6、ght is to be recorded in the drawing title block for all newly released parts. This specification forms a part of the International Engineering Design Release System and is to be applied to all new Design Releases. 2.0 SCOPE This Specification describes the units of measurement and the required prec

7、ision of measurement to be used in Engineering weight calculations and provides density values for the materials commonly used in Engineering Design. The units for the system of measurement are SI units. 3.0 REFERENCE DOCUMENTS Unless otherwise specified the latest issue of all referenced standards

8、shall apply. The following Specifications, Standards, and Regulations are referenced in this specification. INTERNATIONAL Engineering Procedural Std. EPS-156 ASTM E 380 INTERNATIONAL Truck Grp. Unigraphics Std. UG Common INTERNATIONAL Truck Grp. DCP Std. DCP-Proc-003 4.0 CALCULATION PROCEDURE and UN

9、ITS OF MEASUREThe SI system is the primary unit and shall be used for all individual part volume and weight calculations. Refer to Engineering Procedural Std. EPS-156 or ASTM E380. 4.1 Conversion to Inch-pound UnitsThe conversion from SI units to inch-pound units is inexact, and each conversion intr

10、oduces a small error. To minimize errors, all individual part values should be calculated in SI units. The accumulation or summation of individual part weights to provide subassembly, unit code, or vehicle weight values, should be made using SI units. The conversion of SI units to inch-pound units s

11、hould be performed only after the summation of part weight in SI units has been completed. The accumulated weight values can then be converted to inch-pound units as needed for GVW reports, axle ratings, and/or subassembly or unit code weight values. NUMBER: TITLE: REVISION: TMS-9605 Engineering Wei

12、ght Calculations B 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. 2007 by International Truck and Engine Corporation. AUGUST

13、 2007 Page 2 of 16 4.2 Volume Calculations All Unigraphics Design System calculations of volume should be in SI units. The preferred unit for volume calculations is the cubic meter (m3), however cubic centimeters (cm3) may also be used as needed for convenience with the reported density values. Mate

14、rial thickness should be reported in millimeters (mm) and area reported as either square meters (m2) or as square centimeters (cm2). The product of thickness and area (=volume) should be reported in m3 or in cm3 . 4.3 Density ValuesThe preferred unit for density values is Megagrams per cubic meter (

15、Mg/m3). The density value in Mg/m3 is exactly the same as the density value in g/cm3. Therefore, the product of volume, in m3 or in cm3, and density (Mg/m3) provides the part weight in megagrams or grams. 4.4 Weight Values Part weight values calculated in either megagrams or grams should be reported

16、 in kilograms (kg). 4.5 Precision of Measurement (Calculation) 4.5.1 Part Weight Part weight will be reported in kilograms, kg, to two decimal places x.xx kg. Parts weighing less than 0.01 kg will be counted as insignificant. Exception: The weight of small standard parts used repetitively, such as f

17、asteners, washers, rivets, etc., will be reported as kg/100pcs. 4.5.2 Volume Volume calculations are performed within the Unigraphics design program. The precision of dimensions used for volume calculations will be in accordance with Standard Engineering Design practices. 4.5.3 Density Values Densit

18、y values should be reported as Mg/m3to two decimal places. x.xx (g/cm3) 5.0 DENSITY VALUES of COMMON ENGINEERING MATERIALS Density values to be used in primary weight calculations are shown in this section (5.0). The Appendix to this specification provides a list of density values for materials by i

19、ndividual Material Specification. In addition to Mg/m3, the Appendix includes density values in lbs/in3, kg/m3, or as Specific Gravity values. In some cases (ie, paints or fuels) unit weight is expressed as kg/l. (lbs/gal). Additional Material property data and more accurate density values for indiv

20、idual grades or types of material may be found in the International Materials Database available from the ASAME Web page on the TDTC Intranet. 5.1 Carbon Steel, Bare-UnCoated All steel products listed in the table below will exhibit a density value of 7.83 Mg/m3. NUMBER: TITLE: REVISION: TMS-9605 En

21、gineering Weight Calculations B 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. 2007 by International Truck and Engine Corpor

22、ation. AUGUST 2007 Page 3 of 16 Carbon Steel, Bare-UnCoated Density = 7.83 Mg/m3CEMS Truck Material Specifications A-0, Part I; A-0, Part II; A-0, Part III; A-1; A-2; A-6, Part I; A-8; A-9; A-10, Part I; A-10, Part II; A-10, Part III; A-18; A-31, Part I; A-31, Part II; A-35; A-38; A-43; A-44; A-45,

23、Part I; A-45, Part II; and A-45, Part III; E-2 TMS-1001; TMS-1002; TMS-1003; TMS-1011; TMS-1013; TMS-1021; TMS-1022; TMS-1026; TMS-1029; TMS-1031; TMS-1033; TMS-1034; TMS-1037; TMS-1041; TMS-1042; TMS-1044; TMS-1051; TMS-1053; TMS-1054; TMS-1055; TMS-1056; TMS-1058, Type I; TMS-1061, Type I; TMS-106

24、2; TMS-3000. 5.2 Coated Steel and Alloy Steel Products Products listed in the table below will exhibit density values as indicated. Material Specification Density Value Zinc Coated Steel: A-6, Part II, A-33; A-34; 7.80 Mg/m3Aluminized Steel: A-6, Part II, TMS-1058, Type II; and TMS-1061, Type II. 7.

25、82 Mg/m3Terne Coated Steel: A-6, Part II 7.89 Mg/m35.3 Cast Iron ProductsStructural cast iron products will use a density value of 7.19 Mg/m3. For special wear resistant or high alloy cast irons, contact Materials Engineering for the appropriate density value. Material Specification Density Value CE

26、MS E-6, TMS-2014 7.19 Mg/m35.4 Nodular Iron Products Nodular iron structural products will use a density value of 7.03 Mg/m3. For special wear resistant or high alloy castings, contact Materials Engineering for the appropriate density value. Material Specification Density Value CEMS E-10, TMS-2008,

27、TMS-2009 7.03 Mg/m35.5 Malleable Iron Products Malleable iron structural products will use a density value of 7.22 Mg/m3. For special wear resistant or high alloy castings, contact Materials Engineering for the appropriate density value. Material Specification Density Value CEMS E-7 7.22 Mg/m35.6 Ca

28、st Steel ProductsCast steel structural products will use a density value of 7.83 Mg/m3. 5.7 Cast Aluminum Products Cast aluminum parts will use a density value of 2.66 Mg/m3. Material Specification Density Value CEMS C-8, TMS-3102 2.66 Mg/m3NUMBER: TITLE: REVISION: TMS-9605 Engineering Weight Calcul

29、ations B 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. 2007 by International Truck and Engine Corporation. AUGUST 2007 Page

30、 4 of 16 5.8 Wrought Aluminum ProductsWrought aluminum parts will use a density value of 2.71 Mg/m3. Material Specification Density Value CEMS C-10 2.71 Mg/m35.9 Brass and Bronze Cast ProductsBrass and bronze cast parts will use a density value of 8.58 Mg/m3. Material Specification Density Value CEM

31、S C-2 8.58 Mg/m35.10 Wrought Copper ProductsWrought copper parts will use a density value of 8.91 Mg/m3. Material Specification Density Value CEMS C-3, TMS-3100 8.91 Mg/m35.11 Zinc Cast ProductsZinc cast parts will use a density value of 6.64 Mg/m3. Material Specification Density Value CEMS C-14 6.6

32、4 Mg/m35.12 Plastic Parts(D-28)*Plastic parts, using materials specified as per CEMS D-28, may use a general density value of 1.40 Mg/m3. Material Specification Density Value CEMS D-28 1.40 Mg/m3* The density value for plastic parts varies significantly as the type of reinforcements/fillers change a

33、nd the amount (%) of fillers increase. For parts specified by a TMS number, an appropriate density value may be found in the appendix. For materials not listed in the appendix, an appropriate density value may be found in the International Materials Database on the WEB. For other cases contact the a

34、ppropriate Materials Engineer. 5.13 FRP Plastic Parts(D-22)*Many FRP plastic parts are specified by a TMS number. Specific density values for individual materials may be found in the appendix. For materials not listed in the appendix, contact the appropriate Materials Engineer. 5.14 Rubber Parts Rub

35、ber parts are generally specified by a TMS number. An appropriate density value may be listed in the appendix. For tires, a weight value will be provided by the supplier for each part number. 5.15 Rubber/Elastomeric Hoses Part weight data on specific hose assemblies will be provided for each part nu

36、mber by the supplier. For bulk hoses in which each part number represents one foot of hose, a value of weight per foot of hose may be provided in the appropriate TMS specification listed in the appendix. NUMBER: TITLE: REVISION: TMS-9605 Engineering Weight Calculations B This document is restricted

37、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. 2007 by International Truck and Engine Corporation. AUGUST 2007 Page 5 of 16 5.16 Insulation Insulation i

38、s generally specified by a TMS number. An appropriate density value may be listed in the appendix. For complex purchased parts, weight data will be provided by the supplier for each part number. 5.17 Glass The density of glass varies between 2.40 2.80 Mg/m3. However, safety glazing is generally a co

39、mposite material, which includes a bonded inner layer. Weight data will be provided by the supplier for each part number. 5.18 Carpeting Carpeting is generally specified by TMS number. An appropriate density value may be shown in the appendix. For carpet purchased as a finished part, weight data wil

40、l be provided by the supplier for each part number. 5.19 Fabrics Fabrics are generally specified by TMS number. An appropriate density value may be shown in the appendix. In cases where fabrics are used as a component in composite trim panels, weight data will be provided by the supplier for finishe

41、d parts by part number. 5.20 Diesel Engine Fuel The Truck group uses two grades of fuel winter and summer grades as indicated below: Material Specification Density Value CEMS B-32 Grade 1 Winter grade 0.816 Mg/m3CEMS B-32 Grade 2B Summer grade 0.842 Mg/m35.21 Diesel Engine Oils The Truck group uses

42、3 general grades of oil as indicated below: Material Specification Density Value CEMS B-21 15W-40 0.885 Mg/m3CEMS B-21 30W 0.885 Mg/m3CEMS B-21 10W-30 0.885 Mg/m35.22 Hydraulic Fluids The Truck group uses a manual and an automatic transmission fluid as indicated below: Material Specification Density

43、 Value International TMS-6803 Manual - 80W90 0.880 Mg/m3International TMS-6812 Automatic 0.861 Mg/m35.22 Power Steering Fluid The Truck group uses two power steering fluids as indicated below: Material Specification Density Value International TMS-6810 0.879 Mg/m3International TMS-6811 0.879 Mg/m3NU

44、MBER: TITLE: REVISION: TMS-9605 Engineering Weight Calculations B 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. 2007 by Int

45、ernational Truck and Engine Corporation. AUGUST 2007 Page 6 of 16 6.0 CALCULATION OF WEIGHT VALUES FOR ENGINEERING PARTS The weight of Engineering designed parts will be calculated by multiplying the volume of the part by its density. This calculation will take place within the Unigraphics design pr

46、ogram and the resultant weight value stored in the part number Table of Attributes in the Engineering Attribute Database (EADB). 7.0 PROVISION of WEIGHT VALUES for SUPPLIER PARTS The weight of supplier parts will be provided by the supplier and entered into the part number Table of Attributes in the

47、 Engineering Attribute Database (EADB), when the International part number for that part is released. 8.0 TECHNICAL INFORMATION For further information related to the technical content of this specification, contact: Suppliers may obtain controlled copies of this specification by contacting: Materia

48、ls Engineering and Technology Dept. Truck Development and Technology Center 2911 Meyer Road Fort Wayne, IN 46803 E-mail:MaterialsEngineeringNav-I Information Handling Service (IHS) 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/ NUMBER: TITLE: REVISION: TMS-9605 Engineering Weight Calculations B This document is restricted and may not be sent outside International Truck and Engine Corporation or re

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