Height in – Firestone EMDG198 User Manual
Page 78
Dynamic Characteristics at 15.0 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 7,346 in
3
Gage
Spring
Pressure
Load
Rate
(PSIG)
(lbs.)
(lbs./ in.)
40
16,220
2,538
74
1.24
60
24,690
3,623
72
1.20
80
33,290
4,624
70
1.17
100
41,900
5,620
69
1.15
Natural
Frequency
CPM
HZ
130
120
110
100
90
80
70
60
50
40
30
20
10
0
22 20 18 16 14 12 10
MAX. HT.
MIN. HT.
65
60
55
50
45
40
35
30
25
20
15
10
5
0
8 6
4 . 5
Do not use Airstroke in
shaded area without
consulting Firestone
120 Psig
100 Psig
80 Psig
60 Psig
40 Psig
20 Psig
Volume
100 Psig
CONSULT FIRESTONE
BEFORE USING AS
AIRMOUNT
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
15.0 INCHES
Static Data
1229
HEIGHT IN.
321
78
HEIGHT
25.13 DIA.
32 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
23.50 BOLT CIRCLE DIA.
27.9 MAX O.D.
AT 100 PSIG
See page 12 for instructions on how to use chart.
V
OLUME (WITHOUT B
UMPER) CU IN. x 100
FORCE LBS x 1000
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
18.0
8,561 6,400 13,320 20,620 28,020 35,660
16.0
7,770 7,510 15,410 23,490 31,760 40,060
14.0
6,904 8,200 16,890 25,740 34,610 43,510
12.0
5,983 8,710 17,960 27,350 36,690 46,120
10.0
5,019 9,240 18,830 28,410 38,280 48,150
8.0
4,007 9,790 19,850 30,160 40,510 50,860
6.0
2,944 10,260 20,990 32,110 42,880 53,710
Description
Assembly Order No.
Ribbed neck aluminum bead
rings (equal spacing),
1
7
/
8
bolts, nuts, washers
WO1-358-7304
Ribbed neck aluminum bead
rings (unequal spacing) 1
7
/
8
b,n,w WO1-358-7306
Rubber bellows only
WO1-358-7919
Assembly weight ..................................................... 103.9 lbs
Force to collapse to minimum height (@ 0 PSIG)..... 380 lbs.
Style
321
Two Ply
High
Strength
Bellows