SPRING MOUNTS
Damped Type – To 2469 lbs.
www.vibrationmounts.com • Phone: 516.328.3662 • FAX: 516.328.3365
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V100 page 5-13  
Suspenison Mounts Photo
 MOUNTING PLATES:
Mild Steel, Painted
SPRINGS:
High-Tensile Steel - Phosphated & Dyed Black
ISOLATORS:
Knitted Stainless Steel Mesh
FOR LOADS OF:
 860 to 2469 Pounds (390 to 1120 kgf)
TEMPERATURE RANGE:
 -94°F to +347°F (-70°C to +175°C)
APPLICATIONS:
• HEAVY LOADS
• COMPRESSORS 		• PUMPS
• GRAIN VIBRATORS
• CORROSIVE ENVIRONMENT
• STAINLESS STEEL MESH

CHARACTERISTICS:
Lateral to vertical stiffness ratio approximately 1:1.
Elastic Limit corresponds to a maximum load in
compression of .042 oz. (1.2 g) and radially .007 oz. (0.2 g).
Damping factor c/co .10 to .15
MOUNTING:
Must be loaded vertically through its axis.
Suspension Mounts Drawing
NOTE: Dimensions in ( ) are mm.
CAD Catalog Number H Natural
Frequency
Hz 		Equivalent
Static
Deflection 		Static Load Range
Free Loaded lb. kgf
CAD V10Z32-100425 5.82
(148)		 5.04
(128)		 3 – 5 .394 – 1.181
(10 – 30) 		860 – 1367 390 – 620
CAD V10Z32-100426 1323 – 1852 600 – 840
CAD V10Z32-100625 3.94
(100)		 3.54
(90)		 5 – 7 .197 – .394
(5 – 10)		 860 – 1367 390 – 620
CAD V10Z32-100626 1367 – 1852 620 – 840
CAD V10Z32-100825 3.94
(100)		 3.54
(90)		 7 – 9 .118 – .197
(3 – 5)		 1102 – 1764 500 – 800
CAD V10Z32-100826 1587 – 2469 720 – 1120
CLICK CATALOG NUMBER TO CHECK PRICE AND AVAILABILITY.
INDUSTRIAL AND MARINE APPLICATIONS
The following table gives recommended isolation efficiency in relation to site configuration and driving motor power. If site configuration is not known, assume for basement condition. Transfer the recommended efficiency to the transmissibility curves on the graph.
Driving
Motor, kW 		Recommended Isolation Efficiency:
Basement or Ground
Floor 		Upper Floor
Heavy Construction 		Upper Floor
Light Construction
Up to 4
4 – 10
10 – 30
30 – 75
75 – 225 		—
50%
80%
90%
95%		 50%
75%
90%
95%
97% 		90%
93%
95%
97.5%
98.5%
EXAMPLE
Project a line from the efficiency required on the right -hand side to intersect the performance lines 1008, 1006 and 1004. Project those intersections down to obtain the two dimensionless ratios (R) for the three mountings. Divide the lowest running speed (Hz) of the complete machine by R to give the natural frequency f'n required. Compare f'n with the actual natural frequency (fn) of the mounting concerned . If f'n fits into the fn band of the mounting, select that mounting. If two mountings meet the above conditions, select the one with higher fn; it will be more stable.

A fan turning at 980 rpm (16.3 Hz) driven by a 7 kw motor running at 1470 rpm, which is to be installed on an upper floor of light construction:		   Spring Mounts formula
CAD