FORD ESP-M4D342-A-2006 NYLON (TYPE 6 6) MONOFILAMENT THREAD《单丝尼龙（型号6 6 ）》.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 02 N-STATUS Replaced by WSK-M4D648-A; Inserted 3.0; Deleted 3.1, 3.6, 3.8 & 4 A. Reaume/M.Masserant 1979 09 11 Metricated and Retyped CE3H-RD782440-E, #2160 1972 03 27 Released CP5-991420 Printed copies are uncontrolled Copyright 2006,

2、 Ford Global Technologies, LLC Page 1 of 2 NYLON (TYPE 6/6), MONOFILAMENT THREAD ESP-M4D342-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are monofilament, type 6/6 nylon threads of various diameters. 2. APPLICATION This specification was released originally fo

3、r thread materials generally used to weave screens having various sized meshes or opening, depending on the diameter thread, to provide screens with specific percentage open areas per unit area of screening. Screens made of these materials are used in the governor screen assemblies of automatic tran

4、smissions. 3. REQUIREMENTS 3.0 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 MELTING POINT, min 243 C (ASTM D 789) 3.3 SPECIFIC GRAVITY, max 1.15 (ASTM D 792 or D

5、1505) 3.4 TENSILE STRENGTH Diameter Load to Break (ASTM D 2256) mils (mm) lb (N), min Applies only to the diameters listed. 4 (0.10) 0.9 (4.0) 5.5 (0.14) 1.5 (6.7) 6 (0.15) 1.9 (8.5) 7 (0.18) 2.5 (11.1) 8 (0.20) 3.3 (14.7)9 (0.23) 4.0 (17.8) 10 (0.25) 5.0 (22.2)11 (0.28) 6.0 (26.7) 12 (0.30) 7.0 (31

6、.1)13 (0.33) 8.0 (35.6) 14 (0.36) 9.0 (40.0)15 (0.38) 10.0 (44.5) Elongation, all diameter threads, min 20% ENGINEERING MATERIAL SPECIFICATIONESP-M4D342-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 2 3.5 WATER ABSORPTION 3.5.1 50% Relative Humidity, max 4.

7、0% (23 +/- 2 C) Test Method: Approximately 5 g of the specimen shall be cut into lengths approximately 1 in (25 mm) long. The specimen shall be placed in a weighing bottle and dried to constant weight in a circulating air oven at a temperature of 70 +/- 1 C for 15 - 18 h. The weighing bottle, with t

8、he lid off, but containing the dried specimen, shall be exposed to air in an atmosphere of 50 +/- 4% relative humidity at 23 +/- 2 C until it reaches constant weight (5 - 6 days). At the end of the exposure period, the specimen shall be weighed and the amount of the moisture absorbed in % shall be c

9、alculated as follows: Increase in Weight x 100 = Percent Increase in Weight - Dry WeightTest 2 specimens. The average result is moisture absorption and shall be recorded to the nearest 0.1%. 3.5.2 100% Relative Humidity, max 10.0% (38 +/- 1 C) Test Method: The procedure described above shall be repe

10、ated except that the exposure, atmosphere in this case shall be 98 - 100% relative humidity at 38 +/- 1 C. 3.7 PHYSICAL AND/OR PERFORMANCE OF FINISHED PRODUCT When required, shall be as specified on the affected part or product engineering drawing, or in the affected part or product engineering performance specification.