Advanced floor vibration control with the Everstill Active Benchtop Isolator

Everstill™ is TMC’s latest discovery in advanced floor vibration control. The patented Everstill K-400 is a benchtop active vibration cancellation platform that includes a “serial type” active architecture. This, integrated with velocity sensors for improved low-frequency sensitivity, achieves a considerable level of low-frequency vibration attenuation.

The Everstill K-400 has been specifically developed to separate ultra-precision instruments from building floor vibration down to below 1 Hz. Hence, it is ideal for SPMs, optical microscopes and metrology instruments. With the help of Gainmatch™ (patent pending), users can easily select one of three gain settings to obtain optimal performance in users’ surroundings.

Having technology advancing from TMC’s STACIS® piezoelectric vibration cancellation, Everstill is an active hard-mount that eliminates vibration starting at 0.7 Hz. Everstill has been specifically developed for optimum low-frequency performance and stands out in the critical 1 to 10 Hz range where accuracy instruments tend to be highly sensitive.

The small and portable design is perfectly suited for simple installation on tables and workbenches. The only input needed is the power coming from a standard AC outlet.

The everstill advantage

  • Extreme low-frequency performance - Starts to separate at 0.7 Hz. Dramatic vibration cancellation, particularly in the crucial 1 to 10 Hz range.
  • Patented active vibration cancellation technology - Perfect for compact, lightweight, and ultra-precision instruments.
  • Active hard-mount - No air. Strong plug and play design.
  • Advanced Vibration sensor technology - Integrates geophone type velocity sensors for sub-Hz performance. Improved low-frequency sensitivity compared to accelerometers.
  • Gainmatch™ (patent pending) to optimize performance - A switch enables users to easily select between three gain settings. This guarantees utmost vibration cancellation with an assurance of stability for various user surroundings.

Performance

Advanced floor vibration control with the Everstill Active Benchtop Isolator

Image Credit: TMC Vibration Control

Specifications

  • Schematic architecture: Serial type active (actuator in series with isolator spring)
  • Leveling: Automatic. Repeatability: +/- 0.02 in (+/- 0.5mm)
  • Vibration sensors: Geophone type velocity sensor (voltage proportional to velocity)
  • Weight: 55 lbs. (25 kg)
  • Dimensions: (W x L x H) 16 x 20 x 4 in., 400 x 500 x 100 mm
  • Isolation performance: 4 – 7 dB @ 1.0 Hz > 20 dB above 2.5 Hz
  • Resonant frequency: 0.6 Hz
  • Payload capacity: 50–330 lbs. (23–150 kg)
  • Active vibration cancellation bandwidth: 0.7 – 100 Hz
  • Passive vibration cancellation bandwidth: up to 1000 Hz
  • Power Supply DoE rating: VI
  • Transportation: Internal lock-out restraint
  • Facility requirement: 90-220V, 50/60H
  • Top Plate: Available with no holes, 1/4-20 or MG tapped holes

Application photos

Advanced floor vibration control with the Everstill Active Benchtop Isolator

Image Credit: TMC Vibration Control

Advanced floor vibration control with the Everstill Active Benchtop Isolator

Image Credit: TMC Vibration Control

Advanced floor vibration control with the Everstill Active Benchtop Isolator

Image Credit: TMC Vibration Control

Advanced floor vibration control with the Everstill Active Benchtop Isolator

Image Credit: TMC Vibration Control

Advanced floor vibration control with the Everstill Active Benchtop Isolator

Image Credit: TMC Vibration Control

Videos (demo and setup)

Everstill Demo Version 2

Video Credit: TMC Vibration Control

Everstill K 400 Setup

Video Credit: TMC Vibration Control

Setup and operation guide

Everstill K-400 Setup Guide

Ordering chart

Everstill™ ordering chart

Table 1. Source: TMC Vibration Control

Catalog No. Hole Pattern Dimensions (WxLxH)
K-400 No Holes 16 x 20 x 3 in.
400 x 500 x 100 mm
K-400E 1/4 - 20 on 1 in. centers
K400M M6 on 25 mm centers

 

Accessories ordering chart

Table 2. Source: TMC Vibration Control

Catalog No. Description Dimensions (WxLxH)
29-43240-01 46 lb. (21 kg) Load Plate 16 x 20 x 0.5 in.
400 x 500 x 12 mm
29-43245-01 Basepad 16 x 20 x 0.03 in.
400 x 500 x 0.8 mm
1163K-7512S CleanBench for Everstill K-series 29.5 x 47.25 x 29.5 in.
750 x 1200 x 750 mm
1163K-7590S CleanBench for Everstill K-series 29.5 x 35.4 x 29.5 in.
750 x 900 x 750 mm
83-501 Multi-Purpose Acoustic Enclosure 32 x 36 x 64 in.
813 x 914 x 1626 mm

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