Document oD22o0b5EzOn0Oz617406eLkX

I-M 14 GLEASON WORKS.UjSA. FRICTION MATERIALS All applications for friction brake material should be checked with the Standards Department. The data given below will serve as a general guide. JOHNS -MANVILLE 304 Band Type - Flexible - For Oil Service Thickness 1/8" to 5/16" - Width 1" to 2^" Max. Temp. * 500*F - Max. Press. 100 P.S-I. Max. Rubbing Speed * 5000 rt./mln. on Iron or steel Coefficient of Friction - 0.20 *.07 In oil Primary Application: Cradle Band Brakes # AMERICAN BRAKE SHOE ABS-1400 Shoe Type - Non-Flexlble - For Dry Service Bl-Metallic Type Bonded to Steel Backing Max. Pressure 300 P.3.1.. Coefficient of Friction 0.30 dry Primary Application: Shoe Type Drag Brakes AMERICAN. BRAKEBLOK- FORMULA ** 64 Curved Type - Moulded - For Dry Service Thickness 3/i6" to 3/^" - Width l-l./V' to 8" Coefficient of Prlction - O.336 dry Max. Pressure * 100 P.S-I. Primary Application; Testing and Lapping Machine Drag Brake & JOHNS - MANVILLE 232 Sand Type - Seml-Flexlble (Min. Curve 7" Dla.) - Dry Service Thickness - 1/8" to 3/8" (Limit t.C20) - Width 1" to 12" (1/l6) Max. Temp. - 500*F - Max. Press. 100 P.S.I. Max. Rubbing Speed 500 ft./min. Coefficient of Friction * O.U5 t.07 dry Primary Application: Testing and Lapping Machine Drag Drake \ NOTE: Drawing should specify expanding or contracting type. # JOHNS- MANVILLE 751 Disc. Type - Rigid Moulded - Dry or Oil Service Thickness = l/9" to 1/2" - Max. Diam. 36" Max. Temp. 500"? - Max. Press. = 100 P.S-I. Max. Rubbing Speed = 5000 ft./min. Coefficient of Friction 0-35 t-07 dry BEARIUM METAL Leaded Bronze - Bar or Casting - Per Dry Service Grade - Coefficient of Friction * 0.13 dry Grade #B-8 - Coefficient of Prlction - O.lo dry Non-Seizing Properties In Absence of Oil JUNE 1959 SCF-EC-1001 GLEASON-OOO116