Document vV23mzgR4182n9vyQYMma5ZkY
I-M 14
GLEASON WORKS,U.SA.
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 MX-4663
Band Type - Flexible - For Oil Service Thickness = .250 to .312 - Width= 1.00 to 24.00 Max. Temp. = 500F - Max. Press. 100 P.S.I. Max. Rubbing Speed = 5000 ft./min. on Iron or steel Coefficient of Friction = 0.20 i.07 In oil Primary Application: Cradle Band Brakes
'# AMERICAN BRAKE SHOE ABS-1400
Shoe Type - Non-Flexlble - For Dry Service B1-Metallic Type Bonded to Steel Backing Max. Pressure = 300 F.S.Ii
& Coefficient of Friction = 0.30 dry'. . Primary Application: Shoe Type Drag Brakes
AMERICAN BRAKEBLOK-FORMULA # 64
Curved Type - Moulded - For Dry Service Thickness .188 to .750 - Width 1.250 to 8.000 Coefficient of Friction = 0.336 dry Max. Pressure ** 100 P.S.I. Primary Application: Testing and Lapping Machine Drag Brake
# JOHNS-MANVILLE 232
Band Type - Semi-Flexible (Min. Curve 7.000 DIA.) - Dry Service Thickness = 425 to .375 (Limit .020) - Width 1.000 to 12.000 (.062) Max. Temp. = 500F - Max. Press. 100 P.S.I. Max. Rubbing Speed = 5000 ft./min. Coefficient of Friction = 0.45 t.07 dry Primary Application: Testing and Lapping Machine Drag Brake
NOTE: Drawing should specify expanding or contracting type.
1 JOHNS-MANVILLE 751 Disc. Type - Rigid Moulded - Dry or Oil Service Thickness = .125 to .500 - Max. Diam. = 36.000 Max. Temp. = 500F - Max. Press. = 100 P.S.I. Max. Rubbing Speed = 5000 ft./min. Coefficient of Friction = 0.35 1.07 dry
BEARIUM METAL
Leaded Bronze - Bar or Casting - For Dry Service Grade #B-4 - Coefficient of Friction = 0.13 dry Orade #B-8 - Coefficient of Friction = 0.l6 dry Non-Selzlng Properties In Absence of Oil
JOHNS- MANVILLE #5I0
Band Type - Seml-Flexlble - Dry Service Thickness - .156 to .500 width 1.000 to 12.000 Max. Temp. 500F constant operation Max. Rubbing Speed 7500 ft. per min. on steel or Iron Coefficient of friction .450 ;07 Dry Primary Application: Main Motor Drive Brake
2T
FEB. 1959
GLEASON-OOO117