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. 2017 by Navistar, Inc. APRIL 2017 Page 1 of 3 NAVISTAR, INC. Material, Parts, and Process Specifications
2、(MPAPS) NUMBER: MPAPS S-BM-30.101-GS/PL Former Designation: ESP-BM-30.101-GS TITLE: Projection Weld Studs - Metric Series (Noun Code 0810) CURRENT REV No.: 1704 DATE: April 2017 WRITTEN/EDITED BY: A. Bourdon APPROVED BY: R. Goluch SUPERSEDES: Rev. 1506 - June 2015 PRINTED COPIES OF THIS DOCUMENT MUS
3、T 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 health practices and to determi
4、ne the applicability of regulatory limits prior to use. Change Notice: 1.0 GENERAL: There are no national or international standards on this product. The specifications are based on suppliers manufacture and user requirements. Inch dimensioned weld studs may be found in MPAPS S-B-30.101-GS/PL. 2.0 R
5、ESTRICTED 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 specification. 3.0 POLICY FOR SELECTING PARTS FOR NEW DESIGN: Approved parts are so designated to reduce variety of parts and a
6、ssure maximum availability, interchangeability, and cost savings in volume buying. For new design, parts shall be selected from “Approved“ part list only. Material: Steel Finish: Plain Type of Head: Three Projections under Head Nominal Sizes & Length Incrementation: Lengths Nominal Sizes 4 5 6 8 10
7、12 8 X 10 X X 12 X X X 16 X X X X 20 X X X X X 25 X X X X X X 30 X X X X X 35 X X X X 40 X X X 45 X X 50 X X NUMBER: MPAPS S-BM-30.101-GS/PL TITLE: Projection Weld Studs REVISION: 1704 This document is restricted and may not be sent outside Navistar, Inc. or reproduced without permission from Corpor
8、ate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. APRIL 2017 Page 2 of 3 4.0 HEAD: The bearing surface of the head will be at right angles to the axis of the shank within 2 degrees. 5.0 LENGTH: The length of weld studs will be measured as indicate
9、d in the illustration for each type. The tolerance for length will be as follows: Up to and including 25 mm = 0, -0.8 mm Over 25 mm thru 50 mm = 0, -1.6 mm Over 50 mm = 0, -2.3 mm 6.0 POINTS: Projection weld studs are furnished with plain sheared ends. 7.0 THREADS: Thread form, diameters, and associ
10、ated pitches are in accordance with ISO Recommendations for coarse pitch series. Threads will be made to the tolerances of the medium class of fit (6g) for plain or unplated screws as shown in ISO R965/11, General Purpose Metric Screw Threads. Full formed thread will extend to within one and one hal
11、f pitches of the projection under the head. 8.0 MARKING: Weld studs may carry some form of manufacturers identification on top of head. Each stud will show an “M“ embossed or indented on top of head to designate this product as metric. 9.0 MATERIAL: Steel, high welding quality low carbon steel, 0-10
12、0W per MPAPS A-0. Part II. 10.0 FINISH: Plain (PLN). 11.0 WORKMANSHIP: Weld studs must be free from burrs, loose scale, sharp edges and all other defects that might affect their serviceability. 12.0 TYPE U3 PROJECTION WELD STUDS: Dimensions in millimeters: Nominal Size M4 M5 M6 M8 M10 Pitch 0.7 0.8
13、1 1.25 1.5 A Head Height Max 1.43 1.73 2.03 2.63 3.23 Min 1.17 1.47 1.77 2.37 2.97 B Head Diameter Max 9.5 11.8 14.3 19.2 23.4 Min 9.0 11.3 13.7 18.4 22.6 C Projection Height Max 0.69 0.90 1.07 1.25 1.45 Min 0.59 0.80 0.97 1.15 1.35 D Projection Width Max 1.91 2.39 2.67 3.23 3.69 Min 1.65 2.13 2.41
14、2.97 3.43 E Locating Circle Ref 6.75 7.92 10.3 13.4 15.8 F Head Radius Max 0.9 1.0 1.3 1.4 1.7 R Fillet Radius Max 0.6 0.8 1.0 1.2 1.5 NUMBER: MPAPS S-BM-30.101-GS/PL TITLE: Projection Weld Studs REVISION: 1704 This document is restricted and may not be sent outside Navistar, Inc. or reproduced with
15、out permission from Corporate Technical Standards. Suppliers are required to assume all patent liability. 2017 by Navistar, Inc. APRIL 2017 Page 3 of 3 13.0 PART LIST: 13.1 Approved: Nominal Size Length Finish Material Part Number M5 20 PLN STL 40416R1 M6 12 PLN STL 30774R1 M6 20 PLN STL 30579R1 M8
16、30 PLN STL 31186R1 M8 45 PLN STL 40259R1 13.2 Not for New Design: Nominal Size Length Finish Material Part Number M6 16 PLN STL 30307R1 M6 25 PLN STL 40272R1 M6 25 ZN6A STL 40400R1 M6 35 PLN STL 30697R1 M8 16 PLN STL 30580R1 M8 20 PLN STL 30581R1 M8 25 PLN STL 30608R1 M8 35 PLN STL 4022111R1 M10 20
17、PLN STL 30315R1 M10 25 PLN STL 30972R1 M10 30 PLN STL 31039R1 M10 30 ZN6A STL 4035659R1 M10 35 PLN STL 40323R1 M10 40 PLN STL 40331R1 M10 45 PLN STL 40438R1 14.0 TECHNICAL INFORMATION: For further information related to the technical content of this specification, contact: Suppliers may purchase con
18、trolled copies of this specification by contacting: Materials Engineering and Technology Dept. 10400 W. North Avenue Melrose Park, IL 60160 E-mail: MaterialsEngineeringN IHS Markit Inc. 15 Inverness Way East Englewood CO 80112-5776 Phone: 1-800-854-7179 E-mail: AutomotiveIHS.com Website: http:/ REVISION HISTORY Revision Level Change Approved by Date Approved 1704 Moved 30579R1 to Approved List R. Goluch 4/28/2017
