NAVISTAR MPAPS S-BM-32 101-GS PL-2015 Projection Weld Studs with Pilot Point - Metric Series (Noun Code 0810).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-BM-32.101-GS/PL Former Designation: ESP-BM-32.101-GS TITLE: Projection Weld Studs with Pilot Point - Metric Series (Noun Code 0810) CURRENT REV No.: 1506 DATE: June 2015 WRITTEN/EDITED BY: Materials Engineering APPROVED BY: Materials Engineering SUPERSEDES: ESP-BM-32.101-GS -

3、December 2007 PRINTED 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 appro

4、priate safety and health practices and to determine the applicability of regulatory limits prior to use. Change Notice: Changed to New MPAPS format; Combined GS, PP. 1.0 GENERAL: There are no national or international standards on this product. The specifications are based on suppliers manufacture a

5、nd user requirements. Metric dimensioned projection standard weld studs may be found MPAPS S-BM-30.101- 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 specificati

6、on. 3.0 POLICY FOR SELECTING PARTS FOR NEW DESIGN: Approved parts are so designated to reduce variety of parts and assure 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

7、 (PLN) with Fluorocarbon coating per TMS -4524 Type of Head: Three Projections under Head 4.0 NOMINAL SIZES & LENGTH INCREMENTATION: Nominal Length (l) Nominal Sizes 6 8 10 12 X 16 X X X 20 X X X 25 X X X 30 X X X 35 X X X 40 X X 45 X 50 X NUMBER: MPAPS S-BM-32.101-GS/PL TITLE: Projection Weld Studs

8、 with Pilot Point 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 Page 2 of 4 5.0 HEAD: The bearing surfa

9、ce of the head will be at right angles to the axis of the shank within 2 degrees. 6.0 LENGTH: The length of weld studs will be measured as indicated in the illustration for each type. The tolerance for length will be as follows: Up to and including 25 mm = 0.35 mm Over 25 mm thru 50 mm = 0.42 mm Ove

10、r 50 mm = 0.50 mm 7.0 POINTS: Projection weld studs covered by this specification are furnished with a pilot point with truncated cone. 8.0 TYPE U3 PROJECTION WELD STUDS: Dimensions in millimeters: Nominal Size M6 M8 M10 dx max 4.5 6.1 7.8 min 4.3 5.9 7.6 z4 +IT17 3 4 5 0 z5 max 2 2.5 3 min 1 1.5 1.

11、5 The 20 degree angle applies only to the portion of the point below the root diameter of the thread. Note: l is the nominal length of the fastener. Incomplete thread u is less than or equal to twice the pitch. 9.0 THREADS: Thread form, diameters, and associated pitches are in accordance with ISO Re

12、commendations 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 half pitches of the projection under the head

13、. 10.0 MARKING: Weld studs may carry some form of manufacturer identification on top of head. Each stud will show an “M“ embossed or indented on top of head to designate this product as metric. NUMBER: MPAPS S-BM-32.101-GS/PL TITLE: Projection Weld Studs with Pilot Point REVISION: 1506 This document

14、 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 3 of 4 11.0 MATERIAL: Steel, Grade 8.8, per MPAPS F-31, Part I. 12.0 FINISH: Pla

15、in (PLN) with Fluorocarbon coating per TMS -4524. Zinc Trivalent (ZN6A) per MPAPS G-20, Class 6A, with Fluorocarbon coating per TMS -4524. 13.0 WORKMANSHIP: Weld studs must be free from burrs, loose scale, sharp edges and all other defects that might affect their serviceability. Nominal Size M6 M8 M

16、10 Note 1: Pilot point per requirements shown in this document. Note 2: Maximum incomplete thread of two times the pitch. Note 3: Rounded or chamfered. P Pitch 1 1.25 1.5 k Head Height max 2.5 3 4 min 2.3 2.8 3.8 dk Head Diameter max 17 19 22 min 16.5 18.5 21.5 h Projection Height max 1 1 1.1 min 0.

17、8 0.8 0.9 b Projection Width max 2.4 2.4 3.2 min 2 2 2.8 c Projection Length max 5.3 6.8 6.8 min 4.3 5.8 5.8 db Locating Circle max 13.8 15.3 17.8 min 13.2 14.7 17.2 r Fillet Radius min 0.25 0.4 0.4 a max 2 2.5 3 da max 6.8 9.2 11.2 ds max 6 8 10 min 5.82 7.78 9.78 NUMBER: MPAPS S-BM-32.101-GS/PL TI

18、TLE: Projection Weld Studs with Pilot Point 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 Page 4 of 4 1

19、4.0 PART LIST: 14.1 Approved: Nominal Size Length (l) Built-in Length (l1) max Finish Material Part Number Nominal min max M6 30 29.58 30.42 34.42 PLN 8.8 11900391 14.2 Not for New Design: Nominal Size Length (l) Built-in Length (l1) max Finish Material Part Number Nominal min max M10 35 34.5 35.5 4

20、1.7 ZN6A 8.8 40358R1 15.0 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:/