Document 5k9LKepLRqMvrm6x1EepRypez
I- M 14
_______ GLEASON WORKS.U^A.
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 - Plexlble - For oil Service Thickness 1/8" to 5/16" - Width 1" to 24" Max. Temp. = 500*F - Max. Press. 100 P.S.I. Max. Rubbing Speed 5000 ft./min. on Iron or
Coefficient of Friction - 0.20 .07 in oil - Primary Application; Cradle Band Brakes
steel
# AMERICAN BRAKE SHOE ABS-1400
Shoe Type - Non-Flexlble - For Dry Service Bl-Metalllc Type Bonded to Steel Backing Max. Pressure = 300 P.S.I.. Coefficient of Friction 0.30 dry
Primary Application: Shoe Type Drag Brakes
AMERICAN . BRAKEBLOK- FORMULA ** 64
Curved Type - Moulded - For Dry Service Thickness = 3/16" to 3/4" - width 1-1/4" to 3" Coefficient of Friction = O.336 dry Max. Pressure * 100 P.S-I. Primary Application: Testing and Lapping Machine Drag Brake
#
JOHNS-MANVILLE 232
Band Type - Seml-Flexlble (Min. Curve 7" Dla.) - Dry Service
Thickness - 1/8" to 3/8" (Limit .020) - Width 1" to 12" (l/l6)
Max. Temp. * 500*F - Max. Press. 100 P.S.I.
Max. Rubbing Speed * 500 ft./min.
Coefficient of Friction 0.45 .07 dry Primary Application: Testing and Lapping Machine Drug Drake
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NOTE: Drawing should specify expanding or contracting type.
# JOHNS-MANVILLE 751
Disc. Type - Rigid Moulded - Dry or Oil Service
Thickness 1/9" to 1/2" - Max. Diam. ** 36"
Max. Temp. = 5C0*F - Max. Press. 100 P.S-I. Max. Rubbing Speed = 5000 ft./min. Coefficient of Friction 0-35 -07 dry
BEARIUM METAL
Leaded Bronze - Bar or Casting - Fcr Dry Service
Grade #B-4 - Coefficient of Friction 0.13 dry
Grade
- Coefficient of Friction 0.16 dry
Non-Selzlng Properties In Absence of Oil
JUNE 1959
SCF-ABEX-0731
GLEASON-OOO116