FORD WSK-M2D426-A-2009 NITRILE BUTADIENE (NBR) RUBBER ROTATING SHAFT OIL SEAL TO BE USED WITH FORD WSS-M99P1111-A 《转动轴油封圈用丁腈橡胶(NBR) 与标准FORD WSS-M99P1111-A一起使用 》.pdf
《FORD WSK-M2D426-A-2009 NITRILE BUTADIENE (NBR) RUBBER ROTATING SHAFT OIL SEAL TO BE USED WITH FORD WSS-M99P1111-A 《转动轴油封圈用丁腈橡胶(NBR) 与标准FORD WSS-M99P1111-A一起使用 》.pdf》由会员分享,可在线阅读,更多相关《FORD WSK-M2D426-A-2009 NITRILE BUTADIENE (NBR) RUBBER ROTATING SHAFT OIL SEAL TO BE USED WITH FORD WSS-M99P1111-A 《转动轴油封圈用丁腈橡胶(NBR) 与标准FORD WSS-M99P1111-A一起使用 》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 08 28 N-STATUS No known use. No Replacement Named C. Mracna, NA 2004 09 21 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.12, 3.13 & 4 1990 02 01 Released C 01031532 M. Siewert Printed copies are uncontrolled Copyright 2009, Ford Global T
2、echnologies, LLC Page 1 of 5 NITRILE BUTADIENE (NBR) RUBBER WSK-M2D426-A ROTATING SHAFT OIL SEAL NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a nitrile butadiene rubber compound. 2. APPLICATION This specification was released originally for material used for r
3、otating shaft oil seals in manual transmissions. 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 SLAB STOCK 3.4.1 Preparation of Test Specimens A
4、ll tests are to be performed on specimens die-cut from the molded test 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 Density 1.42 - 1.46 g/cm3(ISO 1183, Method A/A
5、STM D 297) 3.4.3 Hardness, International 70 - 80 (ISO 48/ASTM D 1415) 3.4.4 Hardness, Durometer A 70 - 80 (ISO 868/ASTM D 2240, instantaneous, plied-up specimen. Hand held durometers shall not be used) 3.4.5 Tensile Strength, min 9.0 MPa (ISO 37/ASTM D 412, Die C) 3.4.6 Elongation at Break, min 400%
6、 (Test Method according to para 3.4.5) 3.4.7 Modulus at 100% Elongation 4.0 - 8.0 MPa (Test Method according to para 3.4.5) ENGINEERING MATERIAL SPECIFICATIONWSK-M2D426-APrinted copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 5 3.4.8 Tear Strength, min 18 kN/m (ISO 34
7、, Method B, procedure a/ ASTM D 624, Die C) 3.4.9 Brittleness Point, max -19 C (ISO 812, Type B specimen/ASTM D 2137, Method A) 3.4.10 Ozone Resistance, max Rating 2 (FLTM BP 101-01, Procedure A) 3.4.11 Compression Set, max 50% (ISO 815/ASTM D 395, Method B, except 25% compression, plied-up Type 1 s
8、pecimens, 22 h at 100 +/- 2 C) 3.5 HEAT AGED (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 168 h at 100 +/- 2 C) 3.5.1 Hardness Change 0 to +10 3.5.2 Tensile Strength Change, max +40% 3.5.3 Elongation Change, max -40% 3.5.4 Visual Evaluation No surface tackiness or cracks when folded flat against i
9、tself. 3.6 HEAT AGED (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1,000 h at 100 +/- 2 C) 3.6.1 Hardness Change +6 to +18 3.6.2 Tensile Strength Change, max +50% 3.6.3 Elongation Change, max -85% 3.7 IMMERSION IN OIL No.1 (ISO 1817/ASTM D 471, 168 h at 100 +/- 2 C) 3.7.1 Hardness Change -6 to +12
10、3.7.2 Tensile Strength Change, max +40% 3.7.3 Elongation Change, max -40% 3.7.4 Volume Change -10 to +2% 3.7.5 Visual Evaluation No surface tackiness or cracks when folded flat against itself. ENGINEERING MATERIAL SPECIFICATIONWSK-M2D426-APrinted copies are uncontrolled Copyright 2009, Ford Global T
11、echnologies, LLC Page 3 of 5 3.8 IMMERSION IN OIL No.3 (ISO 1817/ASTM D 471, 168 h at 100 +/- 2 C) 3.8.1 Hardness Change -10 to 0 3.8.2 Tensile Strength Change, max +30% 3.8.3 Elongation Change, max -45% 3.8.4 Volume Change +4 to +20% 3.8.5 Visual Evaluation No surface tackiness or cracks when folde
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