Document zogzn0krgnzn70okjkX2GLEZB
A I R F LEX
TEST
X. Rev. ~ n R. Bures T. ivozcro.r; K. Collins K, Patel R. Smith (4) J. Latsko
ROUTE: MS, JTf
TK
REQUEST
'Sa. fc
-T ____ ___ REQUESTED BY________, _Jiir-_L3i.3.!;f>_
TEST bedCRlPiION________ !
ri ; J.TOS STANDARD COEFFICIENT FRICTIOm
'K--1.hl^XI.1*UM'J$3-0i!>-A-2QB5Q0 CMiTCiT-' -
TEST STAND_____. i-Ovi'P____ PARTS LIST_________________ ^
..PART MJKBEP./S. __Y OR 7 .NUMBER.
YO' ril_L
1,0 PREFACE:
Because of the potential health hazards ^a's.soci^ted' with asbestos,
including the possibility of addition3i-j|ove;rnn|eht controls and/or
regulations, it is desirable to eliminate^the\n#e of asbestos in our
friction materials.
1
2.0 QpTECTIVEj
The objective of this test as -to '/qualify non-asbestos friction materials as suitable for r.ormai 'CBCepernent usage.
3.0 3.1
INSTRUCTIONS: WEAR IN:
^\ *"*/ *'
-_.; 4 v""
Using a .20CB500 and a new/tef ini shed drum with friction material as specified by the wfeiter, obtain new ambient static torque, and then wear in the f pi cador,-. bater ia 1 at 34.0 RPM, 150 degrees F drum bulk tec. e r nr c ; , 7-S X ?51- esffecti ve pressure, per the Basic Inertia Acce lei at icn Standard Wo.cedure #ABCDEjKLQRTU 0062 0000 C.
3.2 r'-.NC.rV- ' aY
Uti I izingt *
rjjj t.tt, xl s-j -?
-.5ere, obtain worn-in ambient static torque,
ana
n
C t. Z 75 F." I.E/`155 degree F. drum bulk temperature
per ft .mance "best at 130, 340, 611, 357, and 1200 RPM. Also, after
each oii ike proceeding conditions, obtain a static torque data point
dbrtil iz i-ng'-the "pullout" test method. Repeat the above testing, but
"vHth *a 26'0 degree F drur temperature. Plot average torque versus RFM
for both - --n.pe i a ru: or-.
":N!f the above test .results warrant further evaluation, conduct a ve.ai
r r !>:euo re, excent with
;50 degree
nerature.
ttitf ^ 4
FAW 16876