1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 02 11 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.16, 4 1992 02 20 Released DE00E10079345123 L. Rumao Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 2 COPPER WIRE, SOFT ROUND, POLYURETHANE (PUR)
2、 INSULATION WSF-M2L68-A3/A4 WITH POLYAMIDE (PA) OVERCOAT, 155 C (98 Cu 2 Ni) COPPER WIRE, SOFT ROUND, POLYURETHANE (PUR) INSULATION WSF-M2L68-A5 WITH POLYAMIDE (PA) OVERCOAT, 155 C (94 Cu 6 Ni) COPPER WIRE, SOFT ROUND, POLYURETHANE (PUR) INSULATION WSF-M2L68-A6 WITH POLYAMIDE (PA) OVERCOAT, 155 C (7
3、8 Cu 22 Ni) 1. SCOPE The materials defined by these specifications are soft round copper alloy wires with a single film high temperature polyurethane insulation and a polyamide overcoat. 2. APPLICATION These specifications were released originally for materials used for resistance for instrument clu
4、ster gauges. 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). 3.4 COLOR The color of the polyurethane and overcoating shall be specified on the engine
5、ering drawing. 3.5 WIRE SIZE SPECIFICATION The wire size shall be specified on the engineering drawing and/or release according to the American gauge number desired 3.6 BARE WIRE COMPOSITION, % A3/A4 A5 A6 (ASTM B 38) Nickel 2 6 22 Copper 98 94 78 3.7 JOINTS Each spool of wire shall be one continuou
6、s length without any joints. 3.8 INSULATION AND COATING THICKNESS (NEMA MW1000, Section MW 80-C, Single, Thermal Class 155) ENGINEERING MATERIAL SPECIFICATIONWSF-M2L68-A3/A4/A5/A6Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 2 3.9 INSULATION SIZES For wire s
7、izes between the AWG sizes, the increase in diameter due to polyurethane and polyamide coating shall be the same for the next larger AWG size and the test values shall be the same as for the next smaller AWG size. 3.10 ELECTRICAL RESISTANCE, ohm / m (ASTM B 63, at 25 C) The wire shall be drawn to th
8、e following: A3 # 34 AWG 2.475 +/- 0.074 A4 # 38 AWG 6.148 +/ - 0.184 A5 # 38 AWG 12.188 +/- 0.244 A6 # 38 AWG 36.909 +/- 1.107 3.11 RESISTIVITY (ASTM B 193, at 25 +/- 1 C) A3/A4 0.5-7ohm/m A5 1.0-7ohm/m 6 3-7ohm/m 3.12 TEMPERATURE COEFFICIENT OF RESISTANCE, max (ASTM B 267, Table 1, between 20 and
9、100 C) A3/A4 1700 ppm/ C A5 900 ppm/ C A6 210 ppm/ C3.13 ELONGATION, min 15% (NEMA MW1000, para 3.3.1.1) 3.14 CONTINUITY, max 10 (NEMA MW1000, para 3.8.1.1.1 or 3.8.1.1.2) 3.15 CONFORMITY WITH THIS SPECIFICATION In the case of failure under any of the foregoing tests, two additional tests shall be made, and the wire shall be regarded as meeting the requirements of this specification if the results of the additional tests are satisfactory. The wire shall be regarded as not meeting the requirements of this specification if the results of either of the two additional tests are unsatisfactory.
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