Document dYKzEo9Boage4559oLJrNVw7q
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
.
\
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
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 .07 In oil
Primary Application: Cradle Band Brakes
.
AMERICAN BRAKE SHOE ABS-1400
Shoe Type - Non-Flexible - For Dry Service
Bi-Metallic Type Bonded to Steel Backing
Max. Pressure =300 P.3.I, ' Coefficient of Friction = 0.30 di*y . . ; Primary Application; Shoe Type Drag Brakes
AMERICAN BRAKEBLOK- FORMULA ** 64 .
.
vy \\\
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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 = .(25 to .375 (Limit .020) - Width 1.000 to 12.000 (1.062) Max. Temp. = 500F - Max. Press. 100 P.S.I. Max. Rubbing Speed = 5000 ft./min. Coefficient of Friction = 0.45 .07 dry Primary Application: Testing and Lapping Machine Drag Brake
NOTE: Drawing should specify expanding or contracting type.
JOHNS-MANVILLE 751
i Disc. Type - Rigid Moulded - Dry or Oil Service
Thickness = .125 to .500 - Max. Dlam. = 36.000 Max. Temp. = 500F - Max. Press. = 100 P.S.I. Max. Rubbing Speed = 5000 ft./min. Coefficient of Friction = 0.35 -07 dry
a 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 = 0.16 dry Non-Selzlng Properties In Absence of Oil
JOHNS-MANVILLE #5I0
Band Type - Semi-Flexible - 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 1450 .07 Dry Primary Application: Main Motor Drive Brake
FEB. 1959
GLEASON-000117
GLEASON WORKS,USA
FRICTION MATERIALS
I-KA23
All applications for friction brake material should be reviewed by the Mechanical Analysis and Standards Group. The data given below will serve as a general guide.
Detail drawings specifying brake linings requiring a definite form to permit assembling with their mating brake shoe, must state ;the following: (NOTE: For molded materials only.)
"MOLDED LINING AS SHOWN. BEND TO FORM AS INDICATED"
METALLIC LININGS
American Brakeblok - Formula #1400
DescriptionSintered bronze bonded to steel backing.
Type of brake - Shoe type.
Coefficient of friction - Kinetic
Wet 0.11
Dry 0.30
Static
Wet 0.15
Dry 0.31
Average wear - Wet . 0008
Dry .0050
Type of service - Wet or dry.
Maximum pressure - 300 psl
. Bearlum Metal Description - Leaded bronze: bar or casting. Coefficient of friction - Grade B-4 = 0.13 dry Grade B-8 = 0.16 dry Non-seizing properties in absence of oil.
"DU" Flat Strip Material
Type of brake - Band type - flexible
Thickness and usable widths available - .0430-. 0450 x 4.750
.0738-.0758 x 5.000
.0895-.0915 x 5.000
.1190-.1210 x 5.500
Type of service - Oil service
Length - Strip material is available In coll lengths of 96.0 inches only.
Primary application - Cradle and Work Spindle Band Brakes.
. NOTE: Before using, the BLACK layer of TFE (polytetrafluorothyiene)
approximately .001 Inches thick, must be removed from the
bearing surface. This information must appear on all brake
band detail drawings. For examples of brake linings, see
` part numbers 43239500, Cradle Brake Band, and 43239510,
Work Spindle Brake-Band.
MOLDED LININGS
Johns-Manvllle #IM-230 Description - A rigid molded, medium high friction material containing zinc particles. It has high heat resistance and maintains a constant friction coefficient over a wide temperature range. Type of brake - Disc, cone, band, curved or shoe. Type of surface - Furnished standard with ground surface. Structure - Rigid molded. Coefficient of friction - 0.36-*^
Thickness - .125 to .375 Width - 1.00 to 12.00 ' Type of service - Dry Maximum rubbing speed ft./min. - 5000 Maximum drum temperature - 500F Maximum pressure, psl - 100
APR \H4
GLEASON-000118
1-NA24
GLEASON WORKS, USA
fr\ct\qh mater\als
lohns-Manville #JM-232 Description - Identical in composition to JM-230 except that it is a semi-flexible
molded lining applicable to either internal expanding or external con
tracting wrap bands or shoes. Type of brake - Cone, band, curved or shoe.
. Type of surface - Furnished standard with ground surface.
Structure - Semi-flexible. Coefficient of friction - 0.36 -*7
Thickness - .125 to .375 Width - 1.00 to 12.00 Type of service -.Dry
'
Maximum rubbing speed ft./min. - 5000 Maximum drum temperature - 500F Maximum pressure, psi - 100
American Brakeblok - Formula #64 (This material can be used as a substitute for Johns-
Manville #JM--232)
.
Description - General all prupose lining. Medium duty semi-rigid material.
Type of brake - Shoe or curved for testing and lapping machine drag brake or
similar applications.
Structure - Semi-rigid.
Coefficient of friction - Kinetic 0.40
Static 0.38
Thickness - .156 to .625
,
. Width - 1.00 to 12.00
Type of service - Dry
Maximum pressure, psi - 100
lohns-Manvllle #TM-242 Description - A semi-flexible molded lining containing brass particles. Can be applied to bands or shoes. Detail drawings should state whether for internal expanding or external contracting bands or shoes. Type of brake - Cone, band, curved or shoe. Type of surface - Furnished standard with ground surface. Structure - Seml-flexlble. Coefficient of friction - 0.40 -* Thickness - .125-. 375 Width - 1.00 to 12.00 Type of service - Dry Maximum rubbing speed ft./min. - 5000 Maximum drum temperature - 500F Maximum pressure, psi - 100
APR \T14
GLEASON-000119
GLEASON WORKS,USA
FR\CT\OM W\TR\Al_5
1- \KlA-\
MOLDED FACINGS
Raybestos Manhattan Grey Rock #451 (Replaces Johns-Manville Type JM-7S1)
Description - A rigid fully formed, cured segment. Is an excellent primary shoe
lining for Servo-acting brakes using either steel or cast iron drums
Type of brake - Disc or shoe
Structure - Rigid
Coefficient of friction - .44 dry
`
.08 oil
Thickness - .188 to .37$
Width - To 6.00
Type of service - Oil or dry
'
WOVEN LININGS
Raybestos Manhattan Grey Rock #98 (Replaces Johns-Manville Type JM-304) Description - A brass wire Inserted woven lining with high friction value designed for medium duty service on either internal or external type band or shoe brakes. Surface can be grooved. Type of brake - Band or shoe Structure - Flexible Coefficient of friction - 0.50 dry 0.12 oil Thickness - .156 to .312
. Width - 1.00 to 4.00 Type of service - Oil or dry
Raybestos Manhattan Grey Rock #2010 (Replaces Johns-Manville Type JM-510) Description - Made of heavy duty woven asbestos tape containing brass wire Inserted yarn vacuum impregnated to insure through saturation with heat and wear resistant treatment. Lining is heavily compressed and ground on both surfaces. Construction and finish provide a very dense and somewhat rigid lining suitable for all types of heavy duty work where high friction, reisltance to high temperatures and good wear factor Is required. Typs of brake - Main motor drive brake, pulley brake, band and shoe type Structure - Semi-flexible Coefficient of friction - High-medium 0.45 Thickness - . 188 to . 500 Width - 1.50 to 8.00 Type of service - Dry
NOTE: Johns-Manville Brake Linings, Series 200 only, including those shown above are available from the following source:
Scan-Pac Manufacturing Co. Friction Material Mfg. Div. 9950 N. Port Washington Rd. Mequon, Wls. 53092
Grey Rock Brake Linings as shown are available from:
* Sealing Devices Inc. 4375 Walden Ave. Lancaster, N.Y. 14086
,*
APR \Tt4
GLEASON-000120