1、 ENGINEERING STANDARDS Test Procedure LIMITED USE EDS-T-4565 Test Method of the Low Temperature Resistance for Automotive Seats Do Not Use on New Program; No Replacement. Seat8 !F2e 4G - Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Righ
2、ts Reserved September 2011 Originating Department: GM Korea Engineering Standards Page 1 of 3 Version : 4 1 Scope 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 preceden
3、ce. 1.1 Purpose. This standard aims at specifying the procedure of evaluating low temperature resistance of the automobile seats. 1.2 Applicability. This standard applies to all types of automobile seats. 2 References Note: Only the latest approved standards are applicable unless otherwise specified
4、 2.1 External Standards/Specifications. None 2.2 GM Standards/Specifications. None 2.3 Additional References. None 3 Resources 3.1 Equipment. 3.1.1 Cold Chamber Unit capable of maintaining down to (-40) E . 3.1.2 Cold Impact Resistance Tester. (See Figure 1). 3.1.2.1 Body. Semi-spherical type with
5、R 100 mm (weight: 12.5 kg). 3.1.2.2 Layer A. 5 mm thick rubber with Shore hardness of HS 60. 3.1.2.3 Layer B. Polyurethane with a density of 24 kg/m3. 3.1.2.4 Layer C. Cloth. 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 . ., 4G -8t 8% =8 4C (Sea
6、t)8 947 2e8x D4F#$ , +958 8$ . 1.2 957 -88 . ., 4G 8t +& 9*8 8% =7 4C (Seat)7 $4F 957F$ . 2 4) E:4 / :0 : C-H +d%P 9I8 6# F 48 07 38%P E:48x 957F$ . 2.1 17 E:4 / . None 2.2 GM E:4 / . None 2.3 dA E:4 / . None 3 4G 88 3.1 4G 8/x . 3.1.1 (-40) E: 8T:F 3L 8# 947 =- . 3.1.2 !F 4G d . (,* 1 =l9 ). 3.1.2.
7、1 .,= . : 100 mm8 -L GI1 (:E( : 12.5 kg). 3.1.2.2 A ?i . 306 (Shore) $4 HS 60 8+ % 4 5 mm8 ,h . 3.1.2.3 B?i . -4$4 24 kg/m38 PU (Polyurethane). 3.1.2.4 C?i . EFp (Cloth). GM KOREA ENGINEERING STANDARDS EDS-T-4565 Copyright 2011 General Motors Company All Rights Reserved September 2011 Page 2 of 3 Ve
8、rsion : 4 Figure 1: Cold Impact Resistance Tester for Seat / ,* 1: Seat7 !F 4G d 3.2 Test Piece. 3.2.1 Prepare complete seats for test. 3.2.2 Number of Test Samples. 3.2.2.1 For Approval Test. min. 3. 3.2.2.2 For Incoming Inspection. min. 1. 4 Procedures 4.1 Conditions. 4.1.1 Test Conditions. Deviat
9、ions from the requirements of this standard shall have been agreed upon. Such requirements shall be specified on component drawings, test certificates, reports, etc. 4.1.2 Pre-Treatment. Unless specified otherwise, the sample shall be tested without any special pre-treatment in the as-received condi
10、tion. 4.2 Instructions. 4.2.1 Mount and fix a complete seat in the vehicle condition. 4.2.2 After leaving the seat inside a cold chamber set to (-30) E 2K for 2 hours, have the weight of the cold impact resistance tester drop onto the center of the seat cushion. The impact at this moment shall be eq
11、uivalent to dropping of a person of 60 Kgf (588 N) from a height of 0.5 m with the knee as the contacting point. 5 Data 5.1 Evaluations. 5.1.1 The seat cloth and cover shall show no signs of rupture or damage. 5.1.2 All adjusting devices shall operate normally. 3.2 4G D . 3.2.1 4G D8t 4C 7x9PE8x :4/
12、xF$ . 3.2.2 4G D8 3L . 3.2.2.1 4G 387 . 3P 81 . 3.2.2.2 3L8 17 . 1P 81 . 4 4G 9 4G d* 87F7 4C A2 (Seat Cushion)8 :E4 88?) 88T!F 4A$ . ,& I$# =:E 60 Kgf (588 N) 8 1(8 0.5 m “872P ,h*8x !F4A 77 F$-F# 8p) F$ . 5 4G $8Bd 5.1 D4 . 5.1.1 4C EFp -C 59 Cover7 9) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 3 SEP 2011 Apply new Engineering Standard Template. Limited use with no replacement (Interior Subsystem Validation Team) / 4 d3TE:4 64 957 . F9I957 ($4=E:4 68 ) =* (Interior.ED4D4 )
