1、 GMDAT ENGINEERING STANDARDS Test Procedures Chassis SUPERCEDED EDS-T-2711 2-Axis Simulation Test of Engine Mount LHS This standard may be applied only for current project (incl. 200 Series). It is Superceded for all future projects and replaced by GMW14116. LHS 7: *7C 2 4G 98 88x 7 , F6* 72T8p) F$
2、 1.1 +95 . M104(T3) LHS 7 957%L# 7: *7C7 $4F Fp)! 2e8 :8x +958p) F$ . 1.2 957 -88 . Proving Ground 8 4= :0F48 F:E$8Bd* ?U9IF7 Durability Schedule7 8F 7: *7C LHS7 87F# “=( 98G -F ” 0 “=( 1F -F ”8 4Gl* LAB. 72P 8G8F7 , Fp)! * :F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4
3、 / . F$-1F 68 2.2 GM E:4 / . F$-1F 68 3 4G 8/x 3.1 8T6 DF8 . 3.2 8T6 7?878Bd . Q 2P8 8T6 7?878Bd4 Fx7F+ 168t $80 M$ . y 84F:E8 -884 20 KN8 $4l8 -G(8 100 mm8 7?878Bd 2P 3.3 MTS18 Component RPC4 2X?%P D3“D (FBd 1$4 . 3.4 4G E0 8G8F8 F# 5 -F8 F:E8x 84F 3L 8# 8/x* :F 3L 8# Jig/Fixture. GMDAT ENGINEERING
4、 STANDARDS EDS-T-2711 Copyright 2010 General Motors All Company Rights Reserved December 2010 Page 2 of 5 Version : 3 3.5 Parts to be Verified. y 96314472: Damping Bush-TRANS MT y 96314226: Bracket A-Transmission MT 4 Test Procedures Conduct calibration so that the load cell and displacement transdu
5、cer of the hydraulic actuator will indicate the correct value. Mount the test sample to the test jig as shown in Figure 1 (The cylinder block is used as a jig). Fasten the bolts and nuts, which are to be the ones used in the vehicle, to the tightening torque specified in the drawing. For the load si
6、gnal to simulate, perform iteration of the desired signal using the CRPC to get the final drive signal for each road. For the number of repetition for each road used in the vehicle durability test on the proving ground, apply the drive signal for each road pattern to the actuator. It is desirable to
7、 apply signals according to the driving sequence in the vehicle durability test. When such is not available, test shall be so conducted that signals are applied at random as long as possible. During test, check each portion for presence of cracks, excessive play, permanent deformation and loosening
8、of bolts and nuts through visual inspection and with white spray paint. 3.5 :$41 .E . y 96314472: Damping Bush-TRANS MT y 96314226: Bracket A-Transmission MT 4 4G - 8T6 678Bd8 )&2t -C -884 9IGF F8x :4F 3L 8$) ?*/)9 % 7 4Gl* 6#$ . F8*/ ,(7&72P 4=! 4G 4 17%L# 5 $)- -L.) G3L$4) 5 $) DBh7 $4F % 7 4Gl* 6
9、78Bd (Actuator)7 84 F$ . 8& , 4#F+ 4= ! 4G :E :0FF# 3P2P$4) 84F# 8 98p! 7 8? 68x7 $4F ,h888) 84 %L$) 4G 8x :FF$ . 4G $:E 8U6| 4=d -C H1 3F8) 4G Desired File8t -$8 -e68?) 948F7 .(4F$ . 5.1.1 5 $)- D8 8* (Millbrook General Durability). Table 1 / E 1 File Name / D8 8* Name of Road / $) + File Code Rema
10、rks / /x HIGH.DES HIGH SPEED M4T3BDAA CRPC. FILE CITY.DES CITY SIMULATION M4T3BDAB CRPC. FILE HANDL.DES HANDLING CIRCUIT M4T3BDAC CRPC. FILE TWIST.DES TWIST HUMPS M4T3BDAD CRPC. FILE GRAVEL.DES GEAVEL ROAD M4T3BDAE CRPC. FILE BODY13.DES BODY TWIST 13 M4T3BDAF CRPC. FILE HILL.DES HILL ROUTE M4T3BDAG
11、CRPC. FILE SPECIAL.DES SPECIAL SURFACES M4T3BDAH CRPC. FILE MAXRH.DES MAX POT HOLE RH M4T3BDAI CRPC. FILE MAXLH.DES MAX POT HOLE LH M4T3BDAJ CRPC. FILE BODY16.DES BODY TWIST 16 M4T3BDAK CRPC. FILE PAVE.DES PAVE M4T3BDAL CRPC. FILE BRAK.DES BRAKING M4T3BDAM CRPC. FILE POT8K.DES POT HOLE (8K) M4T3BDAN
12、 CRPC. FILE POT40K.DES POT HOLE (40K) M4T3BDAO CRPC. FILE STEER.DES STEERING PAD M4T3BDAP CRPC. FILE 5.1.2 Number of Tests by Road. Get the final drive signal for each road in the above paragraph 5.1.1 through iteration and apply vibration to the sequence and no of repetition shown in Table 2. 5.1.2
13、 $) - 4G G3L . 1d 5.1.1F8 5 $)- 4Gl&7 $4F 9 %4Gl* 8Bd) 4G Desired File8t -$8 -e68?) 948F7 .(4F$ . 5.2.1 5 $) - D8 8* (MILLBROOK PG Powertrain Durability). Table 3 / E 3 File Name / D8 8* Name of Road / $) + File Code Remarks / /x P.DES BOWL 1 M4T3BDBA CRPC. FILE Q.DES BOWL 2 M4T3BDBB CRPC. FILE R.DE
14、S HILL M4T3BDBC CRPC. FILE S.DES BOWL 3 M4T3BDBD CRPC. FILE T.DES BOWL 4 M4T3BDBE CRPC. FILE 5.2.2 Number of Tests by Road. Get the final drive signal for each road in the above paragraph 5.1.1 through iteration and apply vibration to the sequence and no of repetition shown in Table 4. 5.2.2 $)- 4G G3L . 1d 5.1.1F8 5 $)- 4Gl&7 $4F 9 %4Gl* 8Bd) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 3 DEC 2010 Superceded (Chassis Subsystem Validation Team) / F9I957 =* (24 .E D4D4 )
