GMW-14595-2006.pdf
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1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure Interior GMW14595 Horn Blow Effort and Location Test Copyright 2006 General Motors Corporation All Rights Reserved March 2006 Originating Department: North American Engineering Standards Page 1 of 4 1 Scope Note: Nothing in the specification supersedes
2、 applicable laws and regulations unless specific exemption has been obtained. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. 1.1 Purpose. The purpose of this specification is to determine the effort required to activate the horn
3、blowing mechanism, and to assure that this mechanism will operate when a force is applied to all possible locations of the horn blowing actuator. 1.2 Foreword. Not applicable. 1.3 Applicability. This specification is applicable to steering wheels used in passenger cars, multipurpose passenger vehicl
4、es (MPV) and trucks. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. None 3 Resources 3.1 Facilities. Not applicable. 3.2 Equipment. 3.2.1 Test Equipment. 3.2.1.1 Temperature
5、 chamber capable of -30 3C and 85 3C. 3.2.1.2 Ninety (90) Newton scale with a 12.75 2.00 mm diameter flat indenter to measure load. 3.2.1.3 Signal buzzer. Note: All instrumentation is to be calibrated as required; record instrumentation details and date of calibration on Data Sheet 1, unless the inf
6、ormation is otherwise preserved in the testing laboratory records. 3.3 Test Vehicle/Test Piece. Not applicable. 3.4 Test Time. Not applicable. Calendar time: days Test hours: hours Coordination hours hours 3.5 Test Required Information. Not applicable. 3.6 Personnel/Skills. Not applicable. 3.7 Devel
7、opment/Validation Items. 3.7.1 Test Material. Steering wheel assemblies with a representative DAB Module/Horn Pad with horn blowing mechanism. 4 Procedure 4.1 Test Preparation. 4.1.1 Mark spots to be checked as per part print or as specified. 4.1.2 Attach the signal buzzer to the horn blowing mechan
8、ism. 4.1.3 Check all locations of the horn actuator for nonactuation. Record results. 4.2 Conditions. 4.2.1 Environmental Conditions. Not applicable. 4.2.2 Test Conditions. Deviations from the requirements of the procedure shall have been agreed upon. Such requirements shall be specified on componen
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