Document gbRr5QeL8jMqrNdJBG3Nn7oBG

ZS3C3 Return's D;, _ DeerSarn. Miet.ear xSl" .VetiT.a ACCESS =0 Sox 2C52 Dtarcorit. Michigsr, iS' 1' V3-V 27, 19i". 010976 Subject: Asbestos-Free Lining Development Program Cnassis Engineering, Brake Department, has initiated a program to eval uate asbestos-free brake lining materials. The objective of this pro gram is to develop asbestos-free disc and drum lining materials that nave the performance characteristics of present asbestos-containing organic and seni-metallic materials, end meet the requirements of toxic moscance regulation. .-.ttachment I crLimes a recommended lining evaluation program. Inc currently releaooo. lining materials vrill be used 'as baselines foi relative performance comparison; TP1353^ for organic non-asbestos aisc materials, D71olA for semi--metallic disc materials, and H3198/ l~-33 fov arum materials. An asbestos-free organic material offering performance improvements, relative to the baseline, in the areas of increased fade resistance and a higher average coefficient of friction is desired. Likewise, En asbestos-free semi-metallic material offer ing performance improvements, relative to the baseline, in ohe areas of increased cold effectiveness and reduced rotor wear is desired. Submissions to Ford should- be accompanied with your^fcest-n^aults--for-------lour, your proposed asbestos-free material and the corresponding base line material. Ford will conduct structural and performance evaluations m "he laboratory and on the dynamometer, and will review all perform ance data submitted hy the supplier. Promising candidates will then be subjected to vehicle evaluations. It is recommended that all dynamometer and vehicle evaluations be run v itl Ford test procedures on the 1980 Thunderbird brake system to ensure "-cat the final comparison is as fair .v possible. System parameters I or the 1980 Thundev1"" "i are give:, in itiachment II, test procedures vnll be supplied as requci'ed. PRODUCED BY ford -continued- May 27, I98O IT you are interested in participating in this program as outlined, please confirm your intention with a brief letter. Material and per formance data submissions should be made to the Brake Department at your earliest convenience. `,7e are looking forward to your participation in this program, as your expertise and cooperation are instrumental in maxing this a successful program. Very truly yours. t i/ny attach W. V. Boadie 010977 PRODUCED BY FORD ASBESTOS-FRET ERASE LI2IIDC- IiEVSLOPl'ISKT jgSO CALENDAR FEAR WORK PLAIT ATTACHMENT I Project Objectives Develop asbestos-free brake lining material, both semi-metallic and organic, to meet requirements of toxic substances regulation. Technical Accroach 1. InfoTM potential suppliers of pro gran intent . Corporate policy to reduce asoestcs usage . Dish tc evaluate bctr. non-asbestos semi-met and organic linings for front disc and rear drum applications . Supplier '.'ill conduct preliminary tests and present data to Ford . Ford will conduct preliminary laooratory and dynamometer evaluations then vehicle test promising candidates 2, Submission of candidate naterial(s) should be accompanied with the following - performance data for both submission and relative baseline: . PGC, FAST, Gogar. Hardness, Specific Gravity . Dynamometer Temperature - wear . Dynamometer Effectiveness and fluid displacement (Simulated IMVSS 105-75) . Static friction teBt for rear drum linings . Vehicle City Traffic and effectiveness performance (Optional) 3. Vork with Scientific Research to evaluate candidates using the following tests: FAST . .. . Susceptability of corrosion bonding to cast iron Tensile strength - transverse and longitudinal . Shear strength . Rivetability . Thermal expansion coefficient - transverse and longitudinal . Dynamometer -- wear procedure and FMV3S 105 simulation . Contaminant sensitivity '' -- Provide feedback to suppliers on test results of their submissions, identify properties which need improving -continued-- 010978 PRODUCED BY FORD 5. Install promising candidates on vesicle . Supplier Evaluation " City Traffic (Detroit, Los --r.geles, Minneapolis) . Fleet Build . FMYSS 105-75 simulation . . Ford Evaluation , City Traffic {Detroit, Lee lageles, Minneapolis) Fleet Build . Fountain Effectiveness . r.flTss 105-75 . Ccncined Durability Fj-STM' Brake Denartment May 27, 1980 010979 PRODUCED BY FORD ATTACHMENT 11 19S0 THUHHERBIRD SXS3EK PJSJJiEIEHS Weights GYWE 2 Passenger Brake Test Weigr.t Front 2306 2149 2204 Rear 2058 1491 1905 Total 4364 3640 4109 Wheel Base Polling Radius 105.5 in 12.4 in Wermcal center of gravity Rear wheel cylinder Proportioning valve 6.2 in 7^ 9^ 13/16 in 300/.36 Line pressure at 150 lbs pedal effort 1500 lb/in2 Brake Department May 15, 1980 0-10980 PRODUCED BY FORD