1、 ENGINEERING STANDARDS General Specification LIMITED USE EDS-T-2229 Fatigue Test of Automatic Transmission Flex Plates Do Not Use on New Program; No Replacement. 7XB+D% C(3 -,27 F(4/H F)8 88x 7 , F6* 72T8p) F$ . 1.1 +95 -C 957 -88 . ., 4G 8 +958t 37= 7XB+D% C)3-,27 F)=4/H F)07 38%P E:48x 957F$ . 2.1
2、 17 E:4 / . None 2.2 GM E:4 / . GMW3059 2.3 dA E:4 / . None 3 4G :4/x -C D4 3.1 4G 88 . 3.1.1 9I . 4G 2X/x7t 8/x# 9P 2e#8x -PHLF 8TGF 9I Fx:8x J66 F$ . 3.1.2 $4= 3L$ . $4= 4G 42X0 8/x4 17%T 3L 8$ . ,) ! ., E:47 +d%P +& ?U9I -3L&8t , ,p*95 9I87 8 9IGF 9I%L66 F$ . 3.1.3 4G 8/x . 3.1.3.1 -F F:E Fp)4G 8
3、/x . $4 4:)Y 16 KN 8 )+4 :%4G d D# $4 4:)Y 25 KN 8 8T64 Fp) 4G d* 17F+ 1d 4G 8/x# 6x(7t M8t 8?&8x J66 F$ . 3.1.3.1.1 ?U9I -887 95FF )& 4 . GM KOREA ENGINEERING STANDARDS EDS-T-2229 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 2 of 11 Version : 5 3.1.3.1.2 Closed Loop
4、Control Circuit Type Controller. 3.1.3.1.3 Amplitude measuring equipment (Amp vs. Time). 3.1.3.1.4 Cycle Counter. 3.1.3.1.5 Jigs and fixtures to fix the test sample as indicated in clause 4.3.1. 3.1.3.2 Test Apparatus for Rotating Bending Test. For rotating bending test, test equipment shall provide
5、 the following functions: 3.1.3.2.1 Revolution speed = 1,070 rpm (steady-speed revolution), approx. 18 Hz. 3.1.3.2.2 For application of axial direction pre-stress, the mounting position shall be adjustable some 3 mm in axial direction. 3.1.3.2.3 The angle shall be adjustable some 3 degrees with resp
6、ect to center line of the crank shaft and torque converter. 3.1.3.2.4 It shall be able to apply torque of 50 Nm. 3.1.3.2.5 Cycle Counter. 3.1.3.2.6 Jig to fix the test sample as indicated in clause 4.2.1. 3.1.3.2.7 Crank shaft and converter substitute jig. 3.1.3.3 Test Apparatus for Torsion Test. A
7、torsional hydraulic actuator with maximum vibrating torque 2,000 Nm, which is equipped with the following devices, shall be used: 3.1.3.3.1 Load Cell suitable for the measuring range. 3.1.3.3.2 Cycle Counter. 3.1.3.3.3 Jigs and fixtures to fix the test sample as indicated in clause 4.3.1. 3.1.3.4 Te
8、st Apparatus for Bolt Loosening Test. A hydraulic fatigue tester with maximum vibrating capacity of 25 KN, which is equipped with the following devices, shall be used: 3.1.3.4.1 Load Cell suitable for the measuring range. 3.1.3.4.2 Vibrational Force Control Unit. 3.1.3.4.3 Cycle Counter. 3.1.3.4.4 J
9、igs and fixtures to apply loads and fix the test sample as indicated in clause 4.4.1. 3.1.4 Test Required Information. To evaluate durability strength of the flexible plate under varying loading conditions, the axial force test, rotating bending test, torsion test and bolt loosening test shall be pe
10、rformed. Contents of each test are shown in clause 3.1.4.1 “Summary of test items” and details in clause 4. 3.1.3.1.2 Closed Loop Control Circuit Type Controller. 3.1.3.1.3 Amplitude ?U9I8/x (Amp vs. Time). 3.1.3.1.4 4,8A ?7Bd . 3.1.3.1.5 4.3.1 F7 E4%L6 8# 4G E 9I7 :, -C Fixture* . 3.1.3.2 G98 H 4G
11、8/x . G98 H4G 8x Fd 88F2P# $80 M8t d#8x 4: 4G 7 8/x* Fx7) F$ . 3.1.3.2.1 G982$ = 1,070 RPM (9I2$ G98 ), 6 18 Hz. 3.1.3.2.2 -F 7-F8p) 3 mm 9I$ 8= 88? 99I 4#F . 3.1.3.2.3 A (A 2F8C7t B*A -Bd8 :E4 2T d:48p) 6 3$ 9I$ 5$ 99I8 4#F . 3.1.3.2.4 50 Nm 8 89IF B*A * 84F 3L 88x . 3.1.3.2.5 4,8A ?7Bd . 3.1.3.2.6
12、 4.2.1 F7 E4%L6 8# 4G E 9I7 :, . 3.1.3.2.7 A (A 2F8C -C -Bd $4= :, . 3.1.3.3 B2 4G 8/x . $4 4: B*A 2,000 Nm 8 Torsional Hydraulic Actuator * 17F+ , $80 M8t 8?&8x J66 F$ . 3.1.3.3.1 Test Torque * 99IF#$ 95FF ?U9I-887t 9IG$* J# )& 4 . 3.1.3.3.2 4,8A ?7Bd . 3.1.3.3.3 4.3.1 F7 E4%L6 8# 4G E 9I7 :, -C Fi
13、xture. 3.1.3.4 .0C E* 4G 8/x . $4 4:)Y 25 KN8 8T6 Fp) 4G d* 17F+ 6x(7t M8t 8?&8x J66 F$ . 3.1.3.4.2 ?U9I -887 95FF )& 4 . 3.1.3.4.2 Vibrational Force Control Unit. 3.1.3.4.3 4,8A ?7Bd . 3.1.3.4.4 4.4.1F7 +d%P 959-F F:E4G , G98 H 4G , /xC* 4G , .0C E* 4G &% 49*8 4G 8x 3LFF6 F$ . 558 4G 7 $4F !78t 3.1
14、4.1 F 4G F+ 767 d3T%L6 88p+ 12l!78t 4 F8x =l9F$) F$ . GM KOREA ENGINEERING STANDARDS EDS-T-2229 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 3 of 11 Version : 5 3.1.4.1 Summary of Test Items. 3.1.4.1 4G F+ 76 . No. Test Item / 4G F+ Jig & Necessary Components / :, -C
15、 Fx7 .E No. of Test Sample (Min.) / 2 2 F3L Bolt Torque / .0C BA Pilot Axial Butt Gap Float 1 Axial Force Test / -F F:E Fp) 4G Converter substitute Jig. Crankshaft substitute Jig. Bolts for real vehicle. / Converter $4= :, . Crankshaft $4= :, . 4=7 .0C* . 8 DWG requirements / $+ 9P? 2.25 mm 0 mm 2 R
16、otating Bending Test / G98 H 4G Converter substitute Jig. Crankshaft substitute Jig. Bolts for real vehicle. / Converter $4= :, . Crankshaft $4= :, . 4=7 .0C* . 8 DWG requirements / $+ 9P? 1. 5 mm 3 Torsion Test / /xC* 4G Converter substitute Jig. Crankshaft substitute Jig. Bolts for real vehicle. /
17、 Converter $4= :, . Crankshaft $4= :, . 4=7 .0C* . 4 DWG requirements / $+ 9P? 1.5 mm 4-1 Crankshaft Bolt Loosening Test / Crankshaft .0C E* 4G Crankshaft component. Bolts for real vehicle. / Crankshaft .E . 4=7 .0C* . 4 DWG Requirements (minimum value) / $+ 9P? (2F ) 1.5 mm 4-2 Converter Bolt Loose
18、ning Test / Converter .0C E* 4G Converter component. Bolts for real vehicle. / Converter .E . 4=7 .0C* . 4 DWG Requirements (minimum value) / $+ 9P? (2F ) 1.5 mm 4-3 Assembly Bolt Loosening Test / Assembly .0C E* 4G Converter component. Crankshaft component. Bolts for real vehicle. / Converter .E .
19、Crankshaft .E . 4=7 .0C* . 4 DWG Requirements (minimum value) / $+ 9P? (2F ) 1.5 mm 3.1.4.2 Test Report Documentation. To get the correct results, the following shall be entered in detail in the test result. 3.1.4.2.1 Test Sample (Flexible Plate). 3.1.4.2.1.1 Part Number, DWG No, Part Name. 3.1.4.2.
20、1.2 Photo or Sketch. 3.1.4.2.1.3 Material. 3.1.4.2.2 Bolt. 3.1.4.2.2.1 Part Number of each bolt. 3.1.4.2.2.2 Fastening Torque of each bolt. 3.1.4.2 4G .(2P . 9IGF 4G -C 0* 88F7 4G .(2P7# $80 M8t !7&8 12lF +d%L66 F$ . 3.1.4.2.1 4G E (Flexible Plate). 3.1.4.2.1.1 E- , $+-Gl , E+ . 3.1.4.2.1.2 1: D# 3G
21、 . 3.1.4.2.1.3 8: . 3.1.4.2.2 .0C . 3.1.4.2.2.1 5 .0C8 E- . 3.1.4.2.2.2 5 .0C8 98 B*A . GM KOREA ENGINEERING STANDARDS EDS-T-2229 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 4 of 11 Version : 5 3.1.4.3 Test Equipment. 3.1.4.3.1 Name of used test equipment. 3.1.4.3.2
22、 Jigs and fixtures. 3.1.4.4 Test Conditions. 3.1.4.4.1 Test item. 3.1.4.4.2 Test load magnitude, direction, pre-stress. 3.1.4.4.3 Test frequency. 3.1.4.5 Test Result. 3.1.4.5.1 Incidence cycles of crack or damage. 3.1.4.5.2 Condition of the test sample after being removed (record of crack location,
23、type and length). 3.1.4.6 For other particulars to be indicated in the Test Result Documentation, see clause 4. 3.2 Conditions. 3.2.1 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certi
24、ficates, reports, etc. 3.3 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 appropriate safety and health pra
25、ctices and determine the applicability of regulatory limitations prior to use. 3.4 Documentation. Samples of components or material released to this standard shall be tested for conformity with the requirements of this standard and approved by the responsible GM Department prior to the start of deli
26、very of production level components or materials. Any change to the component or material, e.g., design, function, properties, manufacturing process and/or location of manufacture requires a new release of the product. It is the sole responsibility of the supplier to provide the customer, unsolicite
27、d, with documentation of any change or modification to the product/process, and to apply for a new release. If not otherwise agreed to, the entire verification test shall be repeated and documented by the supplier prior to start of delivery of the modified or changed product. In some cases, a shorte
28、r test can be agreed to between the responsible GM department and the supplier. 3.1.4.3 4G 8/x . 3.1.4.3.1 17 4G 8/x+ . 3.1.4.3.2 :, -C Fixture * . 3.1.4.4 4G 9 . 3.1.4.4.1 4G F+ . 3.1.4.4.2 4G F:E A d , -F , 7%P .E8! 8*8 4G D8t ., E:47 9I%P 4G 8x 7 98x +94P6 F+ , 61 )= 987 GM :04 .2P8 388x -O6x6 F$
29、 . .E8! 8*7 862P &H88 , d# , 22e , 9P9 )9I ,* /D# 21:7t 4)%P 6&F -8($ -P2%T 7 49PE 4* 7F$ . )=8# +88 7= 7 .7t 14 68 9PE /21 )9I 18 - Gm8t P97 4F 2P* 9P)F6 F+ 4 9PE 4 4=8x F6 F$ . $* F84 6# F , )=8# P9 Gm8t -%P 9PE8 )= 987 98= : 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 GM :04 .2P7t )=888 F87 8F $%P :
30、 4G 8x 44F 3L 8$ . GM KOREA ENGINEERING STANDARDS EDS-T-2229 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 5 of 11 Version : 5 4 Requirements and Procedure 4.1 Axial Force Test. 4.1.1 Test Sample Fixing and Loading. 4 7 9 -C 4G 9-F F:E Fp)4G . 4.1.1 4G E8 9I -C F:E 84
31、 Figure 1: Test Sample (“A“) Fixed to Jig and Equipment for Axial Force Test with a Hydraulic Actuator / ,* 1: Jig7 9I%P 4G E (“A“.88 ) -C Hydraulic Actuator* 87F -F F:E Fp)4G 8/x 2e$ 4.1.2 Type of Test: Single Step Test. 4.1.3 Load Application. 4.1.3.1 Magnitude of Load. To obtain the fatigue life
32、 characteristics curve of the test sample, select any two or more load levels. When two load levels are used, those meeting the following requirements on fatigue life are recommended: y Fax1 = approx. 100,000 Cycles fatigue life. y Fax2 = approx. 1,000,000 Cycles fatigue life. 4.1.3.2 Load Input Sig
33、nal Type. Sinusoid wave type axial load. 4.1.4 Test Report Documentation. Along with particulars specified in clause 3.1.4.2, the axial displacement vs crack incidence cycle data when a load of certain amplitude is applied in axial direction shall be recorded. 4.1.4.1 Crack Discriminating Conditions
34、 Crack discriminating conditions, such as visible crack length of 10 mm, shall be specified. 4.1.2 4G GI4 : Single Step Test. 4.1.3 84 F:E . 4.1.3.1 84 F:E8 A d . 4G E8 Fp)3L+ C2e 2T8x 6d 88F7 956$ 2P 818 888 F:E Level8x 2TBF+ 2 P8 F:E Level8 7 6x(7t M8t 98x +9F# Level8x =F$ . y Fax1 = 100,000 Cycl
35、es 9I$8 Fp) 3L+8x J# F:E )-F F:E . 4.1.4 4G .(2P . 3.1.4.2 9-F 89I :E! F:E 844 -F -88 $4 7( 4,8A $8A4 d)%L66 F$ . 4.1.4.1 7(8 DD- 9 . 44 7( l8 10 mm 7t M8t 7(8 DD- 98x +dF7 6 F$ . GM KOREA ENGINEERING STANDARDS EDS-T-2229 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 6
36、 of 11 Version : 5 4.1.4.2 Result Analysis by Statistical Method. The crack incidence cycle data obtained through test shall be analyzed with the algebraic normal distribution probability. Dispersion range, etc. shall be calculated from the survival probability 90 % Cycle, survival probability 10 %
37、Cycle and the ratio of survival probability 90 % Cycle to survival probability 10 % Cycle for each load level, and then be recorded. 4.1.4.3 Fatigue life curve. Using the calculation results of clause 4.1.4.2 above, plot the fatigue life curve at survival probability 90 %. 4.1.4.4 Determination Of I
38、nfinite Life Zone. On the fatigue life curve, determine the fatigue life of 107 Cycle and the corresponding load level as the infinite life zone. 4.1.4.5 Maximum Loading Zone in the Vehicle. The maximum load that can be applied to the flexible plate of the automatic transmission vehicle is determine
39、d by the maximum displacement obtainable when the vehicle is started with the crank shaft, flexible plate and torque converter assembled. The load level of the infinite life zone obtained in clause 4.1.4.4 above shows the load level when cracks start to show themselves in the test sample. 4.1.4.6 Fa
40、tigue Strength of Flexible Plate. From the test result data, the functional relation between the flexible plate angle and crack cycle can be obtained and from this relation can be forecast the functional relation between the fatigue strength and fatigue life of the flexible plate even though the loa
41、d conditions change. 4.2 Rotating Bending Test. 4.2.1 Test Sample Fixing and Loading. 4.1.4.2 B95 -8x 87F 4G 08 .2Q . 4G 8x BF7 66: 7( -P2 4,8A $8A# $43L 9I.E G*8x 87F7 .2QF$ . 89 G* 90 % 4,8A , 89G* 10 % 4,8A -C 89G* 90% 4,8A0 89G* 10 % 4,8A8 /x* 1F7 66:# 1E -88 &%8x 558 F:E )$4 84 F:E8 757! . 7XB+
42、D% C(3-,2 =(7 F)=4/H F)$4 F:E8t A (A 2F8C , F)=4/H F)$4 -887 8F2P 9I%L+ 1d 4.1.4.4F72P 68t ,hF 3L+ 757!8 F:E )8 H 5$# B18x E 8C “D“* :E4 8p) G984P 99IF$ . 4.2.1.2 -F 8- Sax# B2* -F8p) 8% 4P 99IF$ . 4.2.1.3 09D -C Sax 99I8t EV 7 8F2P 99-F 0F:E (Overload)8 84%L# 8x -:F# 8?8+ , K2 # Actuator 7 -F 0F:E8
43、 8)Y%L# 8x -:F# 8?8$ . GM KOREA ENGINEERING STANDARDS EDS-T-2229 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 8 of 11 Version : 5 Figure 3: Torsion Test Equipment Consisting of the Flexible Plate(“A“) and Test Sample Fixture Jig / ,* 3: F)=4/H F) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 5 DEC 2011 Apply new Engineering Standard Template. Limited use with no replacement (Bottom End Development Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (7: Bottom EndP-PD4 )
