1、 ENGINEERING STANDARDS General Specification LIMITED USE EDS-T-7037 Powder Coat Finish Do Not Use on New Program; No Replacement. .=$8+8 8-L958 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Rights Reserved June 2011 Originating Depa
2、rtment: GM Korea Engineering Standards Page 1 of 4 Version : 4 1 Introduction Note: Nothing in this standard supersedes applicable laws and regulations. Note: In the event of conflict between the Korean and English language, the Korean language shall take precedence. 1.1 Purpose. This standard aims
3、at determining test method and specification of powder coat finish used for automobile metal parts. 1.2 Scope. This standard applies to power coat finish used for ferrous or non-ferrous elements, which is phosphated or chromated to strengthen adhesion. 2 References Note: Only the latest approved sta
4、ndards are applicable unless otherwise specified. 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. EDS-T-7143 EDS-T-7422 EDS-T-7617 EDS-T-7701 EDS-T-7759 EDS-T-7782 GMW3059 2.3 Additional References. None 3 Test Preparation and Evaluation 3.1 Resources. 3.1.1 Calibration.
5、 The test facilities and equipment shall be in good working order and shall have a valid calibration label. 3.1.2 Alternatives. Alternative test facilities and equipment may also be used. However, all measuring variables as specified in this standard shall be determined correctly with respect to the
6、ir physical definition. 3.1.3 Equipment. Test equipment specified in this standard shall be used. 1 P7 :0 : ., E:48 6&F !7$ :4-8! 9I8x $4=F 3L 6$ . :0 : F67t 7568 18 88x 7 , F6* 72T8p) F$ . 1.1 +95 . ., E:48t 8% =8 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . EDS-T-7143 EDS-T-7422 EDS-T-
7、7617 EDS-T-7701 EDS-T-7759 EDS-T-7782 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 . 4G - 7 +d%P 4G 8
8、/x* 17F$ . GM KOREA ENGINEERING STANDARDS EDS-T-7037 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 2 of 4 Version : 4 3.1.4 Test Piece. Unless otherwise specified in drawings or material specifications, the number of sample specified in this standard shall be prepared. 3.2
9、 Conditions. 3.2.1 Conditioning. Unless otherwise specified in drawings or material specifications, conduct the test without any phosphating at least 72 hours after the release. 3.2.2 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Such requirements sh
10、all 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 propose to address all the safety problems associated with its use. It is the responsibility of the user of this stand
11、ard 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 released to this standard shall be tested for conformity with the requirements of this standard and approved by the re
12、sponsible 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, manufacturing process and/or location of manufacture requires a new release of the product. It is the sole responsibility o
13、f 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 to, the entire verification test shall be repeated and documented by the supplier prior to start of delivery of the mo
14、dified or changed product. In some cases, a shorter test can be agreed to between the responsible GM department and the supplier. 4 Requirements and Procedure 4.1 Test Methods and Physical Properties. 3.1.4 4G D . $+ D# 8:7 +d%L6 8: 68t 7 4G - 7 9I%P 3L(8 4G D8x :4/xF$ . 3.2 8-L 9 . 3.2.1 4G 9 . .,E
15、:48p).Bd-6!#7 1F8t $-188 F8F6 F+ , 4)$+ , 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
16、 E:47 8F 9P%P .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$ . $* F84 6# F , )=8# P
17、9 Gm8t -%P 9PE8 )= 987 98= : 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 GM :04 .2P7t )=888 F87 8F $%P : 4G 8x 44F 3L 8$ . 4 7 9 -C 4G 92e . EDS-T-7701 Rating 3 y Test with a 100 u 150 mm plate sample. When the sample cannot be taken from the product surface to the desirable size, test shall be perform
18、ed with a test piece built in the same painting process as the product. y This test is conducted only at approval and change in physical properties. / y 100 u 150 mm8 DDD SPL) 4G . $ , 9PE E+72P 7 %L# SPL A d4 .4# F 7 9PE0 % 8F $8 )9I8p) 9P8%P 4D8x 17F7 4G F$ . y 38 -C ,p2e - 47+ 3LF F . 4.1.5 Weath
19、er-o-meter test. / =: !G2e . EDS-T-7422 No color change, gloss loss shall be shown. / E+ -1 , EB 94F 68x . This test is conducted only at approval and change in physical properties. / 38 -C ,p2e - 47+ 3LF F . 4.1.6 Fuel resistance. / ! 7$*2e . EDS-T-7617-1B Rating 2 The test shall be conducted only
20、on commercial vehicles. / 17=7+ 957 F . 4.1.7 Oil Resistance. / ! 8T2e . Immersing in engine oil for 3 hours (R.T condition). / Engine oil 7 348 ?95 (R.T 9 ). Change such as melting of the coated surface shall not be shown. / E+ 7F &%8 8TFF -G 68x . The test shall be conducted only on commercial veh
21、icles. / 17=7+ 957 F . 4.2 Additional Requirements. 4.2.1 Additional requirements are specified in related drawings or material specifications. 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 pa
22、rts or systems supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 4.2 4 7 1F . 4.2.1 ., E:47 +d%P F+ -C !7 878 7 1F8t $+ D# 8: 7 +dF$ . 5 2T957 $4F 9F 6 768 9I8 6.1 98,l 76 . F$-1F 68 . 6.2 66 -C dGl . F$-1F 68 . 7 .4 1F 7.1 ., E:4
23、7 9P4%P +& .E&0 43B8t GMW3059 (8TF,p: 179P )8 9P* &d(6 F$ . GM KOREA ENGINEERING STANDARDS EDS-T-7037 Copyright 2011 General Motors Company All Rights Reserved June 2011 Page 4 of 4 Version : 4 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Power Co
24、at Finish (Color) to EDS-T-7037 9 Release and Revisions This standard was originated in November 1996. It was first approved by Engineering Standard Committee in November 1996. It was first published in November 1996. 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . .= $8 (Color) to EDS-T-7037
25、 9 9P9I -C P9I 8)Y ., E:48t 1996“x 1187 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1996 “x 11 87 38%L6$ . ., E:48t 1996 “x 11 87 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 JUN 2011 Apply new Engineering Standard Template. Limited use with no replacement (Polymer / Organic Material Lab Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (G)8*4G D4 )
