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Elastomeric Isolation Mount, NewDamp, 70-250 lb., Microlock Compatible
Elastomeric Isolation Mount, NewDamp, 70-250 lb., Microlock Compatible
Model: M-ND01-A
Product Series Overview
NewDamp Elastomeric Vibration IsolatorsThe M-ND01-A NewDamp Elastomeric Isolator supports 30 to 115 kg loads and provides excellent CNF (constant natural frequency) characteristics. The M-ND01-A has a 35 mm height and a 64 x 38 mm base. The vertical natural frequency is virtually constant at approximately 22 Hz for loads above 70 lbs per isolator. This compact size isolator ensures excellent horizontal isolation with natural frequencies of 5 to 7 Hz and minimum resonance amplification. Metric breadboard microlock compatible.
Ideal Solution for High Throughput Motion or Machinery Applications
NewDamp isolators provide a remarkably high damping with loss factors around 0.5 to 0.8 at room temperatures in the 10–100 Hz frequency range. This level of damping is two to five times better than other commercial elastomers. The high damping factor makes them ideal for supporting and damping the high acceleration amplitudes produced by very high throughput stages used in wafer positioning, inspection and electronic manufacturing applications. NewDamp elastomers can be built into equipment isolation supports and even custom machinery feet.
Superior Constant Natural Frequency (CNF) Design
Constant Natural Frequency (CNF) is a complex property that reduces sensitivity to load deviations and offers a high degree of modal decoupling. The natural frequency of most elastomeric mounts lowers with increasing mass or increases with decreasing mass. This means that the vibration isolation characteristics will vary with load. NewDamp elastomeric isolators use special geometry profiled elastomers and mounting fixtures. These isolators accommodate changes in load with changes in stiffness which holds the stiffness to mass ratio constant. As a result, the CNF isolators deliver much better isolation than even softer conventional isolators do.
ND20 Natural frequency of vertical vibration vs. load.
Faster Settling Times
A remarkable property of NewDamp™ isolators is their ability to quickly attenuate the transient motions, thereby reducing the settling time of the equipment after the stage movements or other disturbances. The following comparison was made for a dual-axis air bearing stage mounted on a granite basis (total weight: 800 kg) and supported by four NewDamp™ ND40 isolators.
ND40 isolator settling time.
Super High Damping Material
NewDamp products exhibit a remarkably high damping with loss factors around 0.5 to 0.8 at room temperatures in the 10–100 Hz frequency range which is two to five times better than other commercial elastomers. The high damping factor makes them ideal for supporting and damping the high acceleration amplitudes produced by very high throughput stages used in wafer positioning and electronic manufacturing applications. NewDamp elastomers can be built into equipment isolation supports and even custom machinery feet.
Cleanroom Compatible Design
NewDamp is made from a highly engineered polyurethane U-16 compound that is fully cleanroom compatible. These products have been used in Class 100 Fabs to support wafer inspection and positioning systems.
Specifications
- Load Capacity per Isolator115 kg
- Minimum Isolator Load30 kg
- Isolator Height35 mm
- Interface CompatibilityBreadboard, Microlock
- Base size64 x 38 mm
- Natural Frequency, Vertical Max.21 Hz
- Natural Frequency, Vertical Min.15 Hz
- Natural Frequency, Horizontal Max.7 Hz
- Natural Frequency, Horizontal Min.4.5 Hz
Resources & Downloads
Other
M-ND01-A RoHS Certificate(278.2 kB, PDF)
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