1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2003 04 28 Revised Para 3.0 inserted; Para 3.4, 3.5, 3.6, 3.7, 3.8, 4 deleted 1994 04 13 NE01-E-10127076-125 Revised 3.1.1, updated E. Duda 1975 07 01 CE3EEC774588E2 Released (was XE-M1L7-A) D.N. Schock Prin
2、ted copies are uncontrolled Page 1 of 4 Copyright 2003, Ford Global Technologies, Inc. IGNITION CABLE, HIGH TENSION, RESISTANCE CORE (FIBER GLASS) ESE-M1L99-A SILICONE JACKET AND INSULATION (8 mm) 1. SCOPE The material defined by this specification is a high grade heat, moisture and corona resistant
3、 ignition cable, with sufficient conductor resistance to suppress electrical components in the ignition system which could cause radio interference. 2. APPLICATION This specification was released originally for material used for maximum performance in tractor and automotive type engines. 3. REQUIREM
4、ENTS 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). 3.1 CABLE CONSTRUCTION 3.1.1 Conductor The conductor shall consist of 60 ends of ECG 150 strand glass conductive
5、 roving uniformly treated with carbon. An optional binder yarn, which consists of ECG 150 1/0 Z 39 tpm, may be used as a manufacturing aid. This is covered with ECG 75 1/0, 1 end natural glass braid using 8 heads on a 16 head braider, with 28 +/- 4 picks/100 mm and a basket (one over one) weave. Ove
6、r the braid there shall be extruded high temperature thermosetting conductive silicone. The core shall then be vulcanized (thermally cured). The finished conductor shall be smooth and have a diameter of 2.44 +/- 0.13 mm, with a minimum conductive silicone wall thickness of 0.25 mm. 3.1.2 Conductor I
7、nsulation The conductor shall be coated with a covering of silicone rubber, placed concentrically within 0.25 mm around the conductor. The diameter of the insulated conductor must not exceed 6.48 mm. The minimum diameter is limited only by the performance tests hereinafter required. ENGINEERING MATE
8、RIAL SPECIFICATION ESE-M1L99-A Page 2 of 4 Copyright 2003, Ford Global Technologies, Inc. 3.1.3 Reinforcing Braid The insulated conductor shall have a glass braid covering. This skeleton braid shall consist of fiber glass yarns per commercial designation ECG 75 1/0, 1 end natural glass, 16 heads, 55
9、 +/- 4 picks/100 mm, two over and two under. 3.1.4 Outer Jacket Over the insulated conductor there shall be applied a protective coating of silicone rubber, flame, heat, corona, water and oil resistant. The surface of the finished cable shall be smooth, even and free from any tackiness due to compou
10、nds used in assembly or where specified. A minimum wall thickness of 0.51 mm must be maintained. Jacket color shall be as specified on the Engineering Drawing. 3.2 FINISHED CABLE 3.2.1 Diameter 7.75 - 8.26 mm 3.2.2 Resistance 16400 +/- 6560 ohms/m (FLTM BB 101-11, Test I) 3.2.3 Capacitance, max 164
11、pF/m (FLTM BB 101-11, Test II) 3.2.4 Tensile Strength No rupture or separtion Test Method: FLTM BB 101-11, Test III, except use 56.7 kg weight. 3.2.5 Corona Resistance No failure Test Method: FLTM BB 101-11, Test IV, except Step 1 - 1372 mm length, Step 2 - 406 mm from end, Step 6 - 43.2 mm sleeve,
12、and Steps 8 and 9 - 20 kV source. At end of 5 h increase voltage to a minimum of 30 kV AC without cable failure. Test should be repeated if failure occurs at point where cable is secured to mandrel or outside the specified five turns. 3.2.6 High Potential No burning over the end or rupture of insula
13、tion Test Method: FLTM BB 101-11, Test V, except Step 1 - 762 mm length, Step 7 - 229 mm protrusion, and Step 10 - 25 kV AC. At end of 5 minutes increase voltage to a minimum of 32 Kv without cable failure. 3.2.7 Heat Resistance No failure Test Method: FLTM BB 101-11, Test VI, except Step 1 - 1067 m
14、m length, Step 2 - 260 +/- 2 C, Step 3 - 25 mm mandrel, Step 8 - 229 mm protrusion, Step 9 - 20 kV AC, and Steps 10 and 11 - 25 kV AC. ENGINEERING MATERIAL SPECIFICATION ESE-M1L99-A Page 3 of 4 Copyright 2003, Ford Global Technologies, Inc. 3.2.8 Hot Oil Resistance No failure Test Method: FLTM BB 10
15、1-11, Test VII, except Step 1 1372 mm length, Step 2 - 406 mm from end, Step 9, 43.2 mm sleeve, Step 10 - 20 kV AC, and Step 12 - use 25 mm mandrel. 3.2.9 Accelerated Life Cycle No failure Test Method FLTM BB 101-11, Test VIII, except: . Step 1 - 1372 mm length . Step 2 - 406 mm from end . Step 10 -
16、 43.2 mm sleeve . Step 11 - First day (1) 260 +/- 2 C (4) 20 kV AC source - Second day (1) 260 +/- 2 C (2) Cool for 15 minutes before immersion (3) 20 kV ACsource - Third day (1) 260 +/- 2 C for 4 h (3) 2 h immersion (4) 17 h drain (5) 20 kV AC source 3.2.10 Cold Resistance No cracking (FLTM BB 101-
17、11, Test IX) 3.3 INSULATION AND JACKET PROPERTIES (ASTM D 412, D 2240, D 149, 1.91 mm thick slabs, jacket cured 15 minutes at 177 C; insulation cured 15 minutes at 107 C) 3.3.1 Conductor Insulation Aged 70 h As Received at 260 +/- 2 C Tensile Strength, MPa, min 6.21 4.14 Elongation, %, min 250 60 Ha
18、rdness, Durometer “A“ 65 80 90 max Hardness Change, max - + 20* Dielectric Strength, 19.7 17.7 kV/mm AC, min *The change shall not exceed the hardness requirement. 3.3.2 Outer Jacket Aged 70 h ENGINEERING MATERIAL SPECIFICATION ESE-M1L99-A Page 4 of 4 Copyright 2003, Ford Global Technologies, Inc. As Received at 260 +/- 2 C Tensile Strength, MPa, min 5.86 4.14 Elongation, %, min 250 60 Hardness, Durometer “A“ 65 80 90 max Hardness Change, max - + 20* Dielectric Strength, 19.7 17.7 kV/mm AC, min *The change shall not exceed the hardness requirement.
