Firestone EMDG198 - Manual (Page 74)

Dynamic Characteristics at 14.70 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 1,786 in 3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./ in.)
40 3,282 685 86 1.43
60 5,167 933 80 1.33
80 7,000 1,179 77 1.28
100 8,940 1,425 75 1.25
Description Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7845
Blind nuts, 3/4 NPT WO1-358-7842
Blind nuts, 1/4 NPT, bumper WO1-358-7838
Button head steel bead ring
1
7 / 8 bolts, nuts, washers WO1-358-7830
Rubber bellows only WO1-358-7019
Assembly weight ...................................................... 24.6 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 65 lbs.
Natural
Frequency
CPM HZ
22
20
18
16
14
12
10
8
6
4
2
0
20 18 16 14 12 10 8 6
Bumper Contact
(4.75)
MAX. HT. MIN. HT.
22
20
18
16
14
12
10
8
6
4
2
0
Do not use Airstroke in
shaded area without
consulting Firestone
Volume
100 Psig
4.5
120 Psig
100 Psig
80 Psig
20 Psig
60 Psig
40 Psig
CONSULT FIRESTONE
BEFORE USING AS
AIRMOUNT
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
14.7 INCHES
Static Data
8695
HEIGHT IN.
333
74
3.125
15.2 MAX O.D.
AT 100 PSIG
HEIGHT
6.25
6.25
11.31 DIA.
1/4 NPT
AIR INLET
3/8-16 BLIND NUTS
(5/8 DEEP)
OPTIONAL
BUMPER
NOTE: A bead plate part is shown. This part is also avail-
able with bead rings. See pages 8-10 for explanation.
See page 12 for instructions on how to use chart.
V
OLUME (WITHOUT B
UMPER) CU IN. x 100
FORCE LBS x 1000
Style
333
Two
Ply
Bellows
Force Table (Use for Airstroke ® actuator design)
Volume Pounds Force
Assembly @ 100
Height PSIG @20 @40 @60 @80 @100
(in.) (in 3 ) PSIG PSIG PSIG PSIG PSIG
16.0 1,904 1,338 2,866 4,524 6,241 8,062
14.0 1,718 1,706 3,478 5,388 7,325 9,338
12.0 1,507 1,981 3,955 6,083 8,200 10,405
10.0 1,274 2,208 4,376 6,698 9,003 11,400
8.0 1,022 2,389 4,733 7,220 9,710 12,278
6.0 754 2,574 5,087 7,724 10,396 13,139
4.0 473 3,049 5,871 8,787 11,827 14,918