FORD WSS-M1A337-A6-2011 STEEL SHEET LAMINATED SOUND VIBRATION DAMPING TO BE USED WITH FORD WSS-M99P1111-A 《层压吸声 减震钢板 与福特WSS-M99P1111-A 一起使用 在福特WSD-M1A337-A1中显示》.pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions REV 02 2011 03 11 Revised See Section 5 for updates G. Weber, FNA 2002 07 31 Revised Updated and renumbered 2000 01 19 Activated C.Sales (FAO) Printed copies are uncontrolled Page 1 of 5 Copyright 2011, Ford Global Technologies, Inc. STEEL SH

2、EET, LAMINATED SOUND/VIBRATION DAMPING WSD-M1A337-A1 STEEL SHEET, LAMINATED SOUND/VIBRATION DAMPING WSD-M1A337-A2 STEEL SHEET, LAMINATED SOUND/VIBRATION DAMPING N-STATUS WSD-M1A337-A3 STEEL SHEET, LAMINATED SOUND/VIBRATION DAMPING N-STATUS WSD-M1A337-A4 STEEL SHEET, LAMINATED SOUND/VIBRATION DAMPING

3、 N-STATUS WSD-M1A337-A5 STEEL SHEET, LAMINATED SOUND/VIBRATION DAMPING WSS-M1A337-A6 1. SCOPE The materials defined by these specifications are formable, weldable multilayer composites for use in applications where sound reduction is required. These materials consist of a viscoelastic polymer materi

4、al sandwiched between sheets of drawing quality steel meeting the requirements of WSD-M1A333-A2/A3. For variant A5 the steel has a two sided aluminum alloy coating for enhanced higher temperature performance, meeting requirements of WSD-M1A295-A1/A2/A3. The grades have optimized damping loss factors

5、 of 0.1 for the following ranges of temperature: A1 0 - 60 C A2 50 - 110 C A3 70 - 90 C A4 90 - 110 C A5 110 - 250 C A6 50 - 90 C 2. APPLICATION Variant A1 was originally released for body panels and brackets, and variants A2/A3/A4 for oil pans, baffles and engine covers. Variant A5 is intended for

6、enhanced higher temperature performance. Variant A6 is intended for engine front covers. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CONSTRUC

7、TION AND SURFACE TREATMENT 3.2.1 The thickness of the polymer core will vary according to grade. The core thickness is a significant characteristic and the tolerance on an established mean value shall be +/- 0.005 mm. 3.2.2 The steel sheet elements shall conform to WSD-M1A333-A2/A3 with a total thic

8、kness tolerance twice that of the two individual sheets of steel. The material may be supplied with the outside surfaces protected from corrosion via application of oils or forming lubricants or as otherwise specified by the Ford Engineering Drawing. These supplementary materials shall be compatible

9、 with subsequent processes. For variant A5 the steel sheet shall be aluminum coated to meet WSD-M1A295-A1/A2/A3. ENGINEERING MATERIAL SPECIFICATION WSS-M1A337-A1/A2/A3/A4/A5/A6 Page 2 of 5 Copyright 2011, Ford Global Technologies, Inc. 3.3 ACOUSTIC PERFORMANCE The damping properties will be determin

10、ed by FLTM EU-BV 60-1 for variants A1 - A5, and by ISO 6721-3 for variant A6, but allowing for the differences in construction and with the following revisions: Test piece size 200 x 15 mm full thickness all over Test frequencies 200 and 1000 Hz 3.3.1 As Received Test Temp. C Loss factor min A1 30 0

11、.3 A2 80 0.3 A3 80 0.3 A4 100 0.3 A5 180 0.3 A6 70 0.2 3.3.2 Heat Ageing The acoustic requirements of 3.3.1 shall be maintained after heating a sample in air for 24 hours and retesting after cooling to room temperature. Ageing Temp. C A1 140 A2 140 A3 140 A4 140 A5 250 A6 140 3.4 METAL TO CORE ADHES

12、ION All test requirements shall be determined at normal room conditions after stabilizing from the stated exposure conditions. The test sample shall be a 25 x 25 mm overlap shear as detailed. ENGINEERING MATERIAL SPECIFICATION WSS-M1A337-A1/A2/A3/A4/A5/A6 Page 3 of 5 Copyright 2011, Ford Global Tech

13、nologies, Inc. MPa min A1 A2 A3 A4 A5 A6 As Received 2 5 4 3 3 5 Heat Aging 40 min 230 C 2 - - - - - 10 days 150 C 2 - - - - - 1 hour 190 C - 5 - - - 5 10 days 105 C - 5 - - - 5 7 days 90 C - - 3.6 2.7 2.7 - Humidity Exposure 250 hours 100 RH 38C 2 5 - - - 5 Environmental Cycling 24 hrs 38 C followe

14、d by 24 hrs -30 C followed by 24 hrs 105 C followed by Tested after 5 cycles 2 5 - - - 5 Oil Immersion 1 hr 150 C (motor oil) 2 - - - - 70 days 150 C (motor oil) - 5 - - - 5 7 days 90 C (SAE30CD) - - 4* 3* 3* - Forming Lubricant Immersion 7 days 20 C 2 5 4 3 3 - * No reduction on as received value E

15、NGINEERING MATERIAL SPECIFICATION WSS-M1A337-A1/A2/A3/A4/A5/A6 Page 4 of 5 Copyright 2011, Ford Global Technologies, Inc. 3.5 TIGHTENING RETENTION TEST 3.5.1 Test Procedure A test coupon of the laminated material shall be assembled as shown using bolts and nuts as detailed. W500120S309 M10 x 40 PC 8

16、.8 Bolt Hex Flange W520414S309 M10 PC8 Nut Hex Flange 10mm Mild steel plate Suitably prepare the two ends of the bolt and measure its length correct to 0.001mm. Tighten the nut to an applied torque of 48Nm Remeasure the bolt. The increase in length is indicative of the generated clamp load in the jo

17、int. Heat the assembly for 7 days at 90 C and allow to cool. Remeasure the bolt. The reduction in length under load is indicative of a loss of clamp load. Release the torque on the nut and retighten to an applied torque of 48NM and repeat the procedure. No further loss of clamp load shall occur. Bot

18、h dial gauge and ultrasonic measuring have been found suitable for bolt length determination. 3.6 WELDABILITY The weldability shall meet the requirements of Ford Resistance Spot Weld Test FLTM BA 13-4. Other approved welding methods for which the materials shall be suitable are resistance projection

19、 and seam, gas metal, arc, gas tungsten arc, plasma arc and magnetically impelled arc butt (MIAB). ENGINEERING MATERIAL SPECIFICATION WSS-M1A337-A1/A2/A3/A4/A5/A6 Page 5 of 5 Copyright 2011, Ford Global Technologies, Inc. 3.7 FORMABILITY The quality level of steel supplied to fabricate a specific co

20、mponent shall be negotiated between the manufacturing activity and the steel supplier. Acceptance of subsequent orders by the steel supplier for a given component at the agreed upon quality level that all steel supplied will form that part satisfactory as defined by the manufacturing activity. 3.8 P

21、AINTABILITY Material supplied to this specification must have prior approval for paintability by the responsible Materials Engineering activity. This approval shall be based on samples prepared to the local process and performance requirements appropriate to the country of vehicle manufacture. 4. GE

22、NERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification 4.1 TEST PANELS All test samples shall be taken from the as received coil or blanks. 4.2 DEGREASING Alkaline degreasing processes are preferred. Organic solvents will degrade the exposed core material. 5. SUMMARY OF REVISIONS 5.1 3-11-2011 A3/A4/A5 specifications to N-Status Added A6 specification Section 3.4 clarified the required preconditioning steps

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