NAVISTAR MPAPS S-JM-2 101-GS PL-2015 Hardened Dowel Pins - Metric Series (Noun Code - 6200).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. 2015 by Navistar, Inc. JUNE 2015 Page 1 of 4 NAVISTAR, INC. Material, Parts, and Process Specifications (

2、MPAPS) NUMBER: MPAPS S-JM-2.101-GS/PL Former Designation: ESP-JM-2.101-GS TITLE: Hardened Dowel Pins - Metric Series (Noun Code - 6200) CURRENT REV No.: 1506 DATE: June 2015 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: ESP-JM-2.101-GS - September 2000 PRINT

3、ED 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 h

4、ealth practices and to determine the applicability of regulatory limits prior to use. Change Notice: Changed to New MPAPS format; Combined GS, GI, PP. 1.0 GENERAL: Implementation of this standard must be in accordance with the policies and procedures outlined in MPAPS S-A-0.101. There may also be su

5、pplemental group instructions in regard to use of metric standards that should be taken into account. This standard contains the essentials of the following standards: International Organization for Standardization: ISO 2340 British Standards Institute: BSI 1804, Part II Deutsche Normen: DIN 6325 St

6、andards Association of Australia: B-142 Inch dimensioned hardened dowel pins may be found on page MPAPS S-J-2.101-GS/PL. 2.0 RESTRICTED CHEMICAL SUBSTANCES: Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 s

7、pecification. 3.0 DESIGN CONSIDERATION: Dowel pins in this standard are to be used either to retain parts in a fixed position or to preserve alignment in mating parts. 4.0 METRIC-INCH RELATED SIZES: During the inch to metric design transition period, the following chart of related sizes can be used

8、for reference. This information is not to be considered as a recommendation for substitutions but only as a means of determining approximate dimensional equivalents. Metric Series Approximate mm Inch Series 3 1/8 4 5/32 5 3/16 6 1/4 8 5/16 10 3/8, 7/16 12 1/2 16 9/16, 5/8 20 3/4 NUMBER: MPAPS S-JM-2

9、.101-GS/PL TITLE: Hardened Dowel Pins - Metric Series REVISION: 1506 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. 2015 by Navistar, Inc. JUNE 2015 Pag

10、e 2 of 4 5.0 METHOD OF DESIGNATION: Hardened dowel pins will be designated by size, length, word description, material, and part number as shown in the following example: 10 x 20 mm, Dowel Pin, HTS, Part Number 6.0 POLICY FOR SELECTING PARTS FOR NEW DESIGN: Approved parts are so designated to reduce

11、 variety of parts and assure maximum availability, interchangeability, and cost savings. For new design, parts shall be selected from “Approved“ part list only. Sizes: 3, 4, 5, 6, 8, 10, 12, 16, 20, and 25 mm. Finish: Plain (PLN) Lengths: See chart below. Dimensions in millimeters: Length Diameters

12、3 4 5 6 8 10 12 16 20 25 5 6 8 X X 10 X X X 12 X X X X 14 X X X X X 16 X X X X X 20 X X X X X X 25 X X X X X X X 30 X X X X X X X X 35 X X X X X X X 40 X X X X X X X X 45 X X X X X X X X 50 X X X X X X X X 55 X X X X X X X 60 X X X X X X X 65 X X X X X X 70 X X X X X X 75 X X X X X X 80 X X X X X X

13、90 X X X X X 100 X X X X X 110 X X X X 120 X X X X 130 X X X X 140 X X X X 150 X X X X 160 X X X 170 X X X 180 X X X 190 X X 200 X X 7.0 LENGTH TOLERANCE: The tolerances for length are as follows: Length Tolerance Thru 50 mm + 0.5 mm 0 Over 50 mm + 0.8 mm 0 8.0 ENDS: The end opposite the chamfered e

14、nd may be either domed or chamfered at the discretion of the manufacturer. NUMBER: MPAPS S-JM-2.101-GS/PL TITLE: Hardened Dowel Pins - Metric Series REVISION: 1506 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corporate Technical Standar

15、ds. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 3 of 4 9.0 MATERIAL: Heat Treated Steel. Surface Hardness: Rockwell C 58-64 Core Hardness: Rockwell C 48-64 Pins may be carburized or thru hardened. If pins are carburized, the case depth will be: 0.4 mm

16、 minimum thru 10 mm diameter 0.75 mm minimum over 10 mm diameter 10.0 FINISHES: Plain (PLN) - Free from dirt and rust and coated with a light oil film. 11.0 WORKMANSHIP: Pins will be free from burrs, loose scale, sharp edges, and all other defects which might affect their serviceability. 12.0 DIMENS

17、IONS: STANDARD PINS Dimensions in millimeters: Nominal Size 3 4 5 6 8 10 12 16 20 25 A Body Dia. Max 3.008 4.012 5.012 6.012 8.015 10.015 12.018 16.018 20.021 25.021 Min 3.002 4.004 5.004 6.004 8.006 10.006 12.007 16.007 20.008 25.008 B Chamfer Length, Max 0.8 1 1.2 1.5 1.8 2 2.5 3 4 4 C Radius Leng

18、th, Max 0.45 0.6 0.75 0.9 1.2 1.5 1.8 2 2.5 3 RECOMMEND HOLE SIZES* Press Fit Maximum Minimum 2.999 2.955 4.001 3.959 4.999 4.966 5.996 5.954 7.996 7.954 9.996 9.954 11.994 11.954 15.992 15.952 19.99 19.952 24.985 24.947 Loose Fit Maximum Minimum 3.058 3.013 4.06 4.017 5.06 5.017 6.06 6.017 8.062 8.

19、02 10.062 10.02 12.063 12.023 16.063 16.023 20.064 20.026 25.064 25.026 * Because of the wide variety of materials in which dowel pins are used, and of the many design requirements which must be considered, it is not possible to provide hole sizes suitable for all applications. The suggested hole si

20、zes are for press fitting pins into materials such as mild steels and cast iron. Softer materials may require decreased hole size limits to ensure a press fit. NUMBER: MPAPS S-JM-2.101-GS/PL TITLE: Hardened Dowel Pins - Metric Series REVISION: 1506 This document is restricted and may not be sent out

21、side Navistar, Inc. or reproduced without permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2015 by Navistar, Inc. JUNE 2015 Page 4 of 4 13.0 PART LIST: 13.1 Approved: Nominal Size Length Part Number 4 16 30882R1 5 10 30854R1 5 12 731202C1 5 24 369

22、4932C1 6 12 40263R1 6 20 30699R1 6 30 30778R1 8 12 10 60 30336R1 932633R1 14.0 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:/