SAE USCAR-25-2016 Ergonomics Specification for Electrical Connections (Revision 3).pdf

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1、Ergonomics Specification for Electrical ConnectionsSAE/USCAR25-March2016ISBN: 978-0-7680-83-_ The research data, analysis, conclusion, opinions and other contents of this document are solely the product of the authors. Neither the SAE International (SAE) nor the United States Council for Automotive

2、Research (USCAR) certifies the compliance of any products with the requirements of nor makes any representations as to the accuracy of the contents of this document nor to its applicability for purpose. It is the sole responsibility of the user of this document to determine whether or not it is appl

3、icable for their purposes. Copyright 2016 USCAR Printed in U.S.A. All rights reserved. QUESTIONS REGARDING THIS DOCUMENT: (248) 273-2470 FAX (248) 273-2494 TO PLACE A DOCUMENT ORDER: (724) 776-4970 FAX (724) 776-0790 1. SCOPE add together for total push surface area (7 x 18) (0.5(7 x 6) (0.5(2 x 2)

4、=103 mm right side surface area (7 x 18) (0.5(7 x 6) (0.5(2 x 2) =103 mm left side surface area Total Surface Area 103+103 = 206 mm Example 2 Top and bottom used as push surface Push surfaces on top and bottom of wire bundle Measure length and width as shown on the top and bottom of the bundle, add

5、together for total push surface area. Note ,IJDSVDUHPPWKHVXUIDFHLVQRWFRQVLGHUHGFRQWLQXRXV,IJDSVDUHEHWZHHQPPDQGPPWKHVXUIDFHFDQEHFRQVLGHUHGFRQWLQXRXVEXWWKHJDSLVQRWLQFOXGHGLQWKHVXUIDFHDUHDWRWDO JDSVPPF DQEHLQFOXGHGLQWKHWRWDOsurface area). SAE/USCAR-25 REVISION 3 Revised 2016-03 ERGONOMICS SPECIFICATION

6、 FOR ELECTRICAL CONNECTIONS - 19 - Top surface The two outside gaps in top surface are greater than 5mm hence the surface cannot be considered continuous. Only the center area is included in the surface area total 2(4 x 6) = 48 mm top surface area Bottom surface The gaps in the bottom surface are le

7、ss than 5mm so the surface can be considered continuous. 2(5 x 7) + 3(3 x 5) (2(0.5(2 x 2) =111 mm bottom surface area Total Surface Area 48+111 = 159 mm Example 3 Harness bundle used as a push surface Push surface on right and left sides of wire bundle can be counted in the push surface calculation

8、 when the following criteria are met: x Wires are at an angle of at least 30 x Wire bundle width is minimum of 3 mm for Class 1 and 5 mm for Class 2 and 3. Measure the angled portion of the wire bundle only 15 x 2(2) = 60 mm per side Total Surface Area 60 + 60 = 120 mm SAE/USCAR-25 REVISION 3 Revise

9、d 2016-03 ERGONOMICS SPECIFICATION FOR ELECTRICAL CONNECTIONS - 20 - Appendix C: CPA (Connector Position Assurance) Evaluation Examples Example 1- Unobstructed CPA: 3 Sides (Acceptable Condition) A minimum of 3x5 mm of the CPA push surface must be free of any obstructions with the connector body or

10、wires on at least 3 sides through the length of travel. Example 2- Unobstructed CPA: 3 sides with Angled push surface (Acceptable Condition) The angled CPA push surface allows 3 mm minimum dimension above the side walls (3x5 mm is available). Note: Angle (30-90 deg.) must be positively sloped in the

11、 direction of force insertion. A negatively sloped angle (91-180 deg.) does not qualify. SAE/USCAR-25 REVISION 3 Revised 2016-03 ERGONOMICS SPECIFICATION FOR ELECTRICAL CONNECTIONS - 21 - Appendix C: CPA (Connector Position Assurance) Evaluation Examples Example 3- Unobstructed CPA: 2 Adjacent sides

12、 (Acceptable Condition) No opposing surfaces/ walls. 3x5 mm push surface available. Example 4- Obstructed CPA: 2 Opposing Sides (Acceptable Condition) The CPA push surface, above the side walls, is less than the required 3mm dimension in this example. An acceptable design solution requires 15 mm hor

13、izontal distance between the side walls with a CPA travel distance 7 mm, 19 mm would be required between side walls. SAE/USCAR-25 REVISION 3 Revised 2016-03 ERGONOMICS SPECIFICATION FOR ELECTRICAL CONNECTIONS - 22 - Appendix C: CPA (Connector Position Assurance) Evaluation Examples Example 5- Obstru

14、cted CPA: 2 Opposing Sides (Unacceptable Condition) The CPA is fully recessed between the opposing walls. There is no accessibility for the finger to engage the CPA as the distance between the side walls is less than 19 mm. SAE/USCAR-25 REVISION 3 Revised 2016-03 ERGONOMICS SPECIFICATION FOR ELECTRI

15、CAL CONNECTIONS - 23 - Appendix D: References Bjoring, G., Johansson, L., Hagg, G. Surface pressure in the hand when holding a drilling machine under different drilling conditions, International Journal of Industrial Ergonomics, 29, pp. 255-261, 2002. Delphi Corporation. Design Criteria. Presented d

16、uring Design for Manufacturability training courses. Fransson-Hall, C. and Kilbom, A. Sensitivity of the hand to surface pressure, Applied Ergonomics, 24(3), pp. 181-189, 1993. HandPak Version 1.0. Computer software. Hamilton, Ontario: Work in Progress Ergonomics, 2007. HandPak Version 2.0. Computer

17、 software. Hamilton, Ontario: Work in Progress Ergonomics, 2013. Henry Dreyfuss Associates, Human Scale. NY:MIT Press, 1981. Jack Version 5.1. Computer software. Plano, Texas: UGS, 2006. Jack Version 7.1. Computer software. Plano, Texas: UGS, 2011. Kroemer, K., Kroemer, H., and Kroemer-Elbert, K., E

18、rgonomics How to Design for Ease and Efficiency, Prentice Hall, 1994. Military Report: Hand Anthropometry of U.S. Army Personnel, AD-A244 533, U.S. Department of Defense, Army NATICK Research, Development, and Engineering Center, December 1991, pp. 32-166. Military Standard: Human Engineering Design

19、 Criteria Standard, MIL-STD-1472F, U.S. Department of Defense, U.S. Army Missile Command, Redstone Arsenal, AL, August 1999, pp. 61-84. 3HHEOHV/1RUULV%)LOOLQJWKHJDSVLQVWUHQJWKGDWDIRUGHVLJQ$SSOLHG(UJRQRPLF VS -88., 2003. PeopleSize 2000 Easy Computer software. Leicestershire, England: Open Ergonomics Ltd., 2000. SAE/ USCAR-43: Shipping Caps, Torque Caps, and Body Plugs Ergonomics Design Criteria, p.5, March 2015.