1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 07 15 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.6 & 4 deleted 1986 08 22 Released DR-611414-P T. P. KochPrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 2 FLUOROELASTOMER (FKM) ESP-M2D294-A3 1
2、. SCOPE The material defined by this specification is a high temperature and oil resistant fluoroelastomer. 2. APPLICATION This specification was released originally for material used as a ball shuttle valve in automatic transmissions, or as specified on the engineering drawing. 3. REQUIREMENTS 3.0
3、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 SLAB STOCK 3.4.1 Preparation of Test Specimens All tests are to be performed on specimens die-cut from the molded tes
4、t sheets manufactured from the same material and with equivalent cure to production parts. The test sheets shall have the following dimensions: 150 x 150 mm, min x 2.0 +/- 0.2 mm 3.4.2 Color As specified on Engineering drawing 3.4.3 Hardness, Durometer A 94 - 98 (ASTM D 2240) 3.4.4 Tensile Strength
5、13 - 16 MPa (ASTM D 412, Die C) 3.4.5 Elongation, Ultimate 70 - 90% (ASTM D 412, Die C) 3.4.6 Heat Aged (ASTM D 573, 168 h at 150 +/- 2 C) Hardness, Durometer A Change -3 to +6 Tensile Strength Change -25 to +3% Elongation Change -35 to -15% ENGINEERING MATERIAL SPECIFICATIONESP-M2D294-A3Printed cop
6、ies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 2 3.4.7 Immersion in ASTM Oil #1 (ASTM D 471, 168 h at 150 +/- 2 C) Hardness, Durometer A Change 0 to +5 Tensile Strength Change -20 to +15% Elongation Change -40 to +10% Volume Change 0 to +3% 3.4.8 Immersion in ASTM Oil #
7、3 (ASTM D 471, 168 h at 150 +/- 2 C) Hardness, Durometer A Change -2 to +4 Tensile Strength Change -35 to +5% Elongation Change -40 to 0% Volume Change +4 to +8% 3.4.9 Immersion in Designated Automatic Transmission Fluids (See Note 1) (ASTM D 471, 168 h at 150 +/- 2 C) Hardness, Durometer A Change -
8、5 to +7 Tensile Strength Change -35 to -10% Elongation Change -70 to -50% Volume Change +3 to +5% 3.4.10 Compression Set, max 20 to 30% (ASTM D 395, Method B, 70 h at 150 +/- 2 C) 3.5 FINISHED PARTS 3.5.1 Color As specified on Engineering drawing 3.5.2 Hardness 94 - 98 IRHD (ASTM D 1415, Micro Teste
9、r) 3.5.3 Heat Aged (ASTM D 573, 168 h at 150 +/- 2 C) Hardness Change -3 to +6 IRHD 3.5.4 Immersion in Designated Automatic Transmission Fluids (See Note 1) (ASTM D 471, 168 h at 150 +/- 2 C) Hardness Change -5 to +7 IRHD Volume Change +3 to +5% Note 1 For information on approved transmission fluids, contact: Supervisor, Materials & Fasteners Engineering Section Transmission & Axle Program Control & Drafting Department Ford Motor Company 36200 Plymouth Road Livonia, Michigan 48150
