1、 WORLDWIDE ENGINEERING STANDARDS Test Procedure GMW15078 Structural Integrity of Window Regulator Components Copyright 2011 General Motors Company All Rights Reserved June 2011 Originating Department: North American Engineering Standards Page 1 of 3 1 Scope Note: Nothing in this standard supercedes
2、applicable laws and regulations. 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 procedure is to evaluate the structural integrity of window regulator components. This procedure covers the creep be
3、havior of regulator. 1.2 Foreword. Not applicable. 1.3 Applicability. This procedure applies to all cable-drive regulator systems. 2 References Note: Only the latest approved standards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specificati
4、ons. None 2.3 Additional References. Applicable Component Technical Specifications (CTS) 3 Resources 3.1 Facilities. The regulator supplier is responsible for this test, which should be performed at suppliers facilities. 3.2 Equipment. Testing should be performed using a test fixture as shown in App
5、endix A, Figure A1. 3.3 Test Vehicle/Test Piece. One (1) sample. 3.4 Test Time. Calendar time: 42 to 44 working days Test hours: 1000 hours Coordination hours: 40 to 60 hours 3.5 Test Required Information. Not applicable. 3.6 Personnel/Skills. Not applicable. 4 Procedure 4.1 Preparation. Not applica
6、ble. 4.2 Conditions. 4.2.1 Environmental Conditions. Not applicable. 4.2.2 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.3 Instructions. Copyright General
7、Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW15078 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 3 4.3.1 Mount the regul
8、ator in a fixed rigid fixture as shown in Appendix A, Figure A1. Attach the rigid rod to the carriers. Attach the rigid stop to the rigid fixture. Set the carrier blocks at the glass-fully-up positions. Mount the regulator so all of the components, including pulleys, sliders, glass carrier blocks, c
9、able routing pattern and electric motor are oriented correctly per design. In order to simulate the worse-case condition (cable run off) shown in Appendix A, Figure A2; position the cable assembly groove of the pulley in the middle of the cable contact area during the test. 4.3.2 Stall the system fo
10、r 1000 hours at 85 C with the following conditions: 16.0 0.2 running volts as measured at the motor terminals. To ensure cabin tension is maintained, cycle the system 3 times per day to stall. 4.3.3 Cool down the system to room temperature. 4.3.4 Examine the system for any component damage or perman
11、ent deformation. 5 Data 5.1 Calculations. Not applicable. 5.2 Interpretation of Results. Regulator components including pulley, slider, glass carrier block, and cable shall not have any damage or significant permanent deformation per the CTS specified. Cable should not cut into the pulley/slider gro
12、ove or run off. 5.3 Test Documentation. Not applicable. 6 Safety This standard may involve hazardous materials, operations, and equipment. This standard does not propose to address all the safety problems associated with its use. It is the responsibility of the user of this standard to establish app
13、ropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 7 Notes 7.1 Glossary. Glass Guidance System: A hardware subsystem of side-door, end-gate, or mid-gate that controls the movement of window glass. Window Regulator: A window regulator is a har
14、dware subsystem that controls the mechanism of glass movement. 7.2 Acronyms, Abbreviations, and Symbols. CTS Component Technical Specification 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Test to GMW15078 9 Release and Revisions This standard was
15、originated in February 2006. It was first approved by the Global Glass Guidance SSLT in July 2006. It was first published in August 2006. Issue Publication Date Description (Organization) 1 AUG 2006 Initial publication. 2 JUN 2011 Section 3.4; working days increased to (42 to 44 hours). Section 3.4;
16、 test hours increased from 300 to 1000. Section 4.3.2; hours increased from 300 to 1000. (Side Closures GSSLT) Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENG
17、INEERING STANDARDS GMW15078 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 3 of 3 Appendix A Figure A1: Test Setup Figure A2: Pulley Orientations Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
