LC-4


Low frequency vibration isolator for weightloads from 15 to 130 lbs. and 1/2 Hz performance vertical and horizontal.

 

Minus K’s new LC-4 is an ultra compact,low-frequency negative-stiffness isolator. It comes in two configurations, ourlow horizontal frequency performance of 1.5 Hz or our ultra low horizontalfrequency performance of 0.5 Hz. Both configurations offer our signature 0.5 Hzvertical natural frequency.

 

The LC-4 isolators can be combined intomulti isolator systems to support heavier payloads while taking up very littleroom themselves. The isolators are passive, manually-adjustable and require noair or electricity.

 

If needed, the LC-4 isolators can becustomized to achieve user specific needs. Eg., different horizontal andvertical frequencies, damping, etc. They can also be made cleanroom and vacuum.compatible.

 

Weight: Approximately 7 lb (3.1 kg)

Low Frequency Horizontal (LC-4)

Dimensions:
4.75" W x 4.75" D x 7" H
(121mm W x 121mm D x 178mm H)

Ultra Low Frequency Horizontal (LC-4U)

Dimensions: 
4.75" W x 4.75" D x 8" H
(121mm W x 121mm D x 203mm H)

Load Capacities (approximate):

Model

Payload Range*

25LC-4

 

35LC-4

25 - 35 lb 

(11.3 - 15.8 kg)

 

50LC-4

36 - 55 lb 

(16.3 - 25 kg)

 

70LC-4

50 - 70 lb 

(22.6 - 31.7 kg)

 

100LC-4

75 - 100 lb 

(34 - 45.3 kg)

 

125LC-4

95 - 130 lb 

(43 - 59 kg)

Performance

  • Vertical natural frequency of 1/2 Hz or less can be achieved over the entire load range.
  • Horizontal natural frequency is load dependent. 1 1/2 Hz (low horiz. freq.) or 1/2 Hz (ultra low horiz. freq.) or less natural frequencies can be achieved at or near the nominal load.
  • See Performance for a typical transmissibility curve with 1/2 Hz natural frequency.

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