GMKOREA EDS-T-3102-2011 Roof Rack Stiffness Test.pdf

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1、 ENGINEERING STANDARDS General Specification LIMITED USE EDS-T-3102 Roof Rack Stiffness Test Do Not Use on New Program; No Replacement. Roof Rack I2e 4G 98 88x 7 , F6* 72T8p) F$ . 1.1 +95 . 8 E:48t Roof Rack8 8=%P =(72P 3LG,p 82 4 -P2 F 3L 8# Roof Rack8 I2e C2e8x D4Fd 88F 4G 907 38%P E:48x 957F$ . 2

2、.1 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 Portable H.F

3、.T. 3.1.3.2 3LD 9I-L . 3.1.3.3 Roof Rack I2e 4G 7 Jig. 3.1.3.4 U.T.M. GM KOREA ENGINEERING STANDARDS EDS-T-3102 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 2 of 6 Version : 3 3.1.4 Test Piece. 3.1.4.1 In the event of any intentional deviations from the requirements o

4、f this specification or the previously released samples, it is sole responsibility of the supplier to inform the purchaser of all deviations. 3.1.4.2 Samples of components released to this specification shall be in conformity with the dimensional and material requirements in drawings. Provided that

5、they may be composed of development samples following consultation with the design engineer. 3.1.4.3 Samples shall be composed of roof rack assembly components and B.I.W or equivalent B.I.W buck specified in drawings. 3.1.4.4 Samples shall be coated at least to the primer level. 3.2 Conditions. 3.2.

6、1 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. 3.3 Safety. This standard may involve hazardous materials, operations, and equipment. This standard does not

7、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 practices and determine the applicability of regulatory limitations prior to use. 3.4 Documentation. Samples of components or material

8、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 delivery of production level components or materials. Any change to the component or material, e.g., design, function, properties, manuf

9、acturing 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, unsolicited, with documentation of any change or modification to the product/process, and to apply for a new release. If not otherwise agreed

10、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 shorter test can be agreed to between the responsible GM department and the supplier. 3.1.4 4G D . 3.1.4.1 )=8# 2X - !7 -C 18F !78 88p+ 8*

11、 B.(F7 6 F$ . 3.1.4.2 4G E8t $+18 ?3L7t 8: -C 7 1F8x +9F# .E8p) 2e %L66 F$ . $ 2X87t8 GE87 &d( P-P +958 4G 8p) 2e F 3L 8$ . 3.1.4.3 4G E8t $+72P 9IF 8# Roof Rack Assembly 2e .E0 B.I.W D# 87 18 F# B.I.W Buck8p) 2e %P$ . 3.1.4.4 4G E8t F$ 818 $8 44 E866 F$ . 3.2 8-L 9 . 3.2.1 4G 9 . .,E:48p).Bd-6!#7 1

12、F8t $-188 F8F6 F+ , 4)$+ , 4G 2e952P , .(2P&%7$+d%L66F$ . 3.3 6|987 $4F 7 9 . ., E:48t 88G ,p: , 86 , 8/x &%8x E FF 3L 8$ . ., E:48t 87 $4F 170 4)%P +& 6|98 ,l9P8 F8x 9P4F:# 6#$ . &d(2P 17 987 95FF 6|980 I 1B* 9DF , -18 9PF 728 957 7 .* 9IF# 8t ., E:4 1788 =y8 1F8$ . 3.4 : 2P* 9P) . 8 E:47 8F 9P%P .

13、E8! 8*8 4G D8t ., E:47 9I%P 4G 8x 7 98x +94P6 F+ , 61 )= 987 GM :04 .2P8 388x -O6x6 F$ . .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

14、 )= 987 98= : 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 GM :04 .2P7t )=888 F87 8F $%P : 4G 8x 44F 3L 8$ . GM KOREA ENGINEERING STANDARDS EDS-T-3102 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 3 of 6 Version : 3 4 Requirements and Procedure 4.1 Detachment Force. When t

15、ensile force is applied to the tube at a rate of 10 mm/min with the stay fixed and the stay and tube combined, the force with which the tube and stay are separated with each other shall not be smaller than the value specified in drawings. 4.2 Static Stiffness Test. 4.2.1 Test Preparation. 4.2.1.1 Fi

16、x the B.I.W or equivalent B.I.W buck to the stand. 4.2.1.2 Level the B.I.W or equivalent B.I.W Buck. 4.2.1.3 Assemble the roof rack assembly to B.I.W with fastening torque specified in drawings. 4.2.1.4 Install the roof rack stiffness test jig to the roof rack. For this, either install the aluminum

17、plate to the jig/roof rack assembled portion or install the actual roof carrier to the roof rack and mount the roof rack stiffness test jig on it. 4.2.2 Buoyancy Force Stiffness Test: FA. 4.2.2.1 Loading direction: Apply load to point “M“ in Figure 1 in WL direction (Vertical to roof panel). 4 7 9 -

18、C 4G 9$ . 4.2.1.3 B.I.W7 Roof Rack Assembly* $+7 +d%P = B7XA ) 9* F$ . 4.2.1.4 Roof Rack7 Roof Rack I2e 4G 7 Jig* 2X? F$ . 8& Jig7t Roof Rack 9*.7 6*-,# Plate* 2X?F! , D# Roof Rack7 4= Roof Carrier* 8=F 87 Roof Rack I2e 4G 7 Jig* 2X? F$ . 4.2.2 3L: F:E I2e 4G : FA. 4.2.2.1 F:E 84 -F : ,* 1 8 “M 9D ”

19、72P WL -F (Roof Panel7 3L: )8p) F:E8x 84 F$ . Figure 1 / ,* 1 4.2.2.2 Load: 2,400 N. 4.2.2.3 Loading time: 15 sec. 4.2.2.4 Load keeping time: 600 sec. 4.2.2.2 84 F:E : 2,400 N. 4.2.2.3 F:E 84 48 : 15 sec. 4.2.2.4 F:E 84 8T: 48 : 600 sec. GM KOREA ENGINEERING STANDARDS EDS-T-3102 Copyright 2011 Gener

20、al Motors Company All Rights Reserved December 2011 Page 4 of 6 Version : 3 4.2.3 Cross Force Stiffness Test: FQ. 4.2.3.1 Loading direction: Apply load to point “M“ in Figure 1 in the direction vertical to BL direction. 4.2.3.2 Applied load shall be luggage weight specified in drawings. 4.2.3.3 Load

21、ing time: 30 sec. 4.2.3.4 Load keeping time: 600 sec. 4.2.4 Horizontal Force Stiffness Test: FQL. 4.2.4.1 Loading direction: Apply load to point “M“ in Figure 1 in the direction inclined 20 with respect to vehicle advancing direction. 4.2.4.2 Applied load is calculated by the following formula based

22、 on luggage weight acting on the roof rack specified in drawings. Horizontal Force Stiffness Test Load N = Luggage Weight (Kgf) u 40. 4.2.4.3 Loading time: 15 sec. 4.2.4.4 Load keeping time: 60 sec. 4.3 Dynamic Stiffness Test. 4.3.1 Test Preparation. 4.3.1.1 Fix the B.I.W or equivalent B.I.W buck to

23、 the stand. 4.3.1.2 Level the B.I.W or equivalent B.I.W buck. 4.3.1.3 Assemble the roof rack assembly to B.I.W with fastening torque specified in drawings. 4.3.1.4 Install the roof rack stiffness test jig to the roof rack. For this, either install the aluminum plate to the jig/roof rack assembled po

24、rtion or install the actual roof carrier to the roof rack and mount the roof rack stiffness test jig on it. 4.3.1.5 Apply a set up force of 500 N to point “M“ in Figure 1 in the direction opposite to vehicle advancement and hold the state until completion of test. 4.3.2 Test Procedure. 4.3.2.1 Apply

25、 fatigue durability load to point “M“ in Figure 2 in WL direction (vertical to roof panel). 4.3.2.2 Test load: luggage weight specified in drawings u 1.2. 4.3.2.3 Frequency: 13 Hz. 4.3.2.4 Cycle: 2,400,000 cycles. 4.2.3 G F:E I2e 4G : FQ. 4.2.3.1 F:E 84 -F : ,* 18 “M9D ”72P BL -F7 3L:F F:E8x 84 F$ .

26、 4.2.3.2 84 F:E8t $+7 +dF 3LG,p 958 ,h) F$ . 4.2.3.3 F:E 84 48 : 30 sec. 4.2.3.4 F:E 84 8T: 48 : 600 sec. 4.2.4 3LD F:E I2e 4G : FQL. 4.2.4.1 F:E 84 -F : ,* 18 “M9D ”72P =( :F -F7 $4F7 20) F:E8x 84 F$ . 4.2.4.2 84 F:E8t Roof Rack7 958F# $+7 +d%P 3LG,p8 ,h7 8F 6x( 3L48x 87F7 9I F$ . 3LD F:E I2e 4G F:

27、E N = 3LG,p ,h (Kgf) u 40 4.2.4.3 F:E 84 48 : 15 sec. 4.2.4.4 F:E 84 8T: 48 : 60 sec. 4.3 % 95 I$ 4G . 4.3.1 4G :4/x . 4.3.1.1 B.I.W D# 87 18 F# B.I.W Buck8x 9I-L7 9I F$ . 4.3.1.2 B.IW D# 87 18 F# B.I.W Buck8 3LD8x +$ . 4.3.1.3 B.I.W7 Roof Rack Assembly* $+7 +d%P = B7XA ) 9* F$ . 4.3.1.4 Roof Rack I

28、2e 4G 7 Jig* 2X? F$ . 8& Jig7t Roof Rack 9*.7 6*-,# Plate* 2X?F! , D# Roof Rack7 4= Roof Carrier* 8=F 87 Roof Rack I2e 4G 7 Jig* 2X? F$ . 4.3.1.5 ,* 18 “M9D ”72P =( :F -L$4 -F8p) Setup Force 500 N F:E8x 4G 8 7x*: 84 8T: F$ . 4.3.2 4G - . 4.3.2.1 Fp) ! 84 F:E8t ,* 28 “M9D ”72P WL -F (Roof Panel7 :5 )

29、8p) F:E8x 84 F$ . 4.3.2.2 4G F:E : $+7 +d%P 3LG,p ,h8 1.2. 4.3.2.3 Frequency: 13 Hz. 4.3.2.4 Cycle: 2,400,000 cycles. GM KOREA ENGINEERING STANDARDS EDS-T-3102 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 5 of 6 Version : 3 Figure 2 / ,* 2 4.4 Evaluation. After static

30、 stiffness test and fatigue durability test, requirements in the following 4.4.1 4.4.2 shall be met. 4.4.1 No fracture, deformation or cracks in the roof rack. 4.4.2 No fracture, deformation or cracks in B.I.W roof rack mounting roof panel. 4.4.3 Gap between the roof rack mounting pad and B.I.W pane

31、l shall not exceed 1 mm. 5 Provisions for Shipping 6 Notes 6.1 Glossary. Not applicable. 6.2 Acronyms, Abbreviations, and Symbols. Not applicable. 7 Additional Paragraphs 7.1 All parts or systems supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable Substa

32、nces for Parts. 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: EDS-T-3102 4.4 D4 . 9I95 I$ 4G -C Fp) ! 4G G 6x(8 4.4.1 4.4.2F8 98x +9 F7 6 F$ . 4.4.1 Roof Rack 8 D2 , -GI , Crack -P28 666 F$ . 4.4.2 B.I.W 8 Roof Rack Mounting . Roof Panel8 -GI , Cra

33、ck, D28 666 F$ . 4.4.3 Roof Rack Mounting . Pad 7t B.I.W Panel08 Gap8 1 mm8F7 6 F$ . 5 2T957 $4F 9F 6 768 9I8 6.1 98,l 76 . F$-1F 68 . 6.2 66 -C dGl . F$-1F 68 . 7 .4 1F 7.1 ., E:47 9P4%P +& .E&0 43B8t GMW3059 (8TF,p: 179P )8 9P* &d(6 F$ . 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . EDS-T

34、-3102 GM KOREA ENGINEERING STANDARDS EDS-T-3102 Copyright 2011 General Motors Company All Rights Reserved December 2011 Page 6 of 6 Version : 3 9 Release and Revisions This standard was originated in May 1998. It was first approved by Engineering Standard Committee in May 1998. It was first publishe

35、d in May 1998. 9 9P9I -C P9I 8)Y ., E:48t 1998 “x 5 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1998“x 587 38%L6$ . ., E:48t 1998“x 587 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 3 DEC 2011 Apply new Engineering Standard Template. Limited use with no replacement (Body & Ext. Subsystem Validation Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (Body & Ext. .ED4D4 )