1、 GMDAT ENGINEERING STANDARDS Test Procedures Powertrain Integration SUPERCEDED EDS-T-2234 Fatigue Test of Rear Axle Bearing This standard may be applied only for current project (incl. 200 Series). It is Superceded for all future projects and replaced by Halfshaft SSTS (CG932). *663 -6*8 Fp)4G Note:
2、 8 E:48t G8 =9 (200 SeriesE F ) 7 FF7 957%L+ , FG P-P Program .Bd# Halfshaft SSTS (CG932) ) $4=F7 957F$ . Copyright 2010 General Motors Company All Rights Reserved October 2010 Page 1 of 7 Version : 4 1 Introduction Note: Nothing in this standard supersedes applicable laws and regulations. Note: In
3、the event of conflict between the Korean and English language, the Korean language shall take precedence. 1.1 Purpose. 1.1.1 Service life determination of drive pinion and differential bearings 1.1.2 Test of oils for their suitability for rear axles 2 References Note: Only the latest approved standa
4、rds are applicable unless otherwise specified. 2.1 External Standards/Specifications. None. 2.2 GM Standards/Specifications. None. 3 Equipment Select the one thing from following. 3.1 Rigging Test Stand II for Rear Axles. 3.2 Drive Line Test Stand. 4 Preparation 4.1 Determine the overall height and
5、weight of the bearings to be tested and the weight of drive pinion and ring gear. 4.2 Assemble the rear axle to drawing specification (one axle each with minimum and maximum values for turning torque and preload). 4.3 Mount the rear axle assembly as installed in the vehicle. 4.4 An auxiliary axle mu
6、st be prepared for the rigging test stand. 1 P7 :0 : ., E:48 6 1* 88F 8/x . 5 2e# 5.1 , d6 5.3 4G :E7 *663 F7; 8 7X87d 7$# (+80+5) E) 8T:%P$ . 5.4 *6 638t $: &(8/ -F8p)+ F:E8x -O#$ . 5.5 1.548 , 3548 , 7548 4G G *6Fp#6 -6*8 Bd$BA 7t &HD)2 -6*8 + 7X88 8# 98:-F Nm F8)C &(8/ Fp#6 -6* *663 complets -L$4
7、F Nm &HD)2 -6* *d6?U &HD)2 -6* Fp#6?U &HD)2 -6* Fp#6Case!78# 88 mm &(8/ Fp#6 &HD)2 -6*7 $4F 6x( mm *d6 9E=+8 )= % mm Findings: 6 mm *6 &(8/ Fp#6 -6* : DF (a) mm 10Nd88 (b - a) mm F8)C &(8/ Fp#6 -6* : &HD)2 -6* : &HD)2 -6* .0C8 98BA Nm -e(3 (Backlash) mm - - - Radial play mm - - - &(8/ Fp#6 : Lateral play mm - - - Mechanic: :08 : $8Bd 7:* 7x98H =x7 . *d6 :
