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Laboratory table LTO (optical table top) with BiAir®-ED

With level-controlled BiAir®-ED membrane air springs, vertical natural frequency 2.5 – 3 Hz, horizontal 2.8 – 3.5 Hz
Description 

    Bilz optical work places are distinguished by their excellent quality and functionality. The honeycomb tops are optimised with regard to their damping response so that the usually high resonance amplitude in the higher frequency range are attenuated by the tables in the HD/HDT type series by their inherent damping.

  • HD steel honeycomb core with high natural damping, cover plate without thread insert
  • HDT steel honeycomb core with high natural damping, cover plate with thread inserts
  • Disturbing vibrations from the environment are isolated by means of highly effective BiAir®-ED membrane air springs. At the same time, the mechanical-pneumatic level control ensures that the level is retained at up to ± 1/100 mm even with load changes. The maintenance unit for compressed-air conditioning is included.

Flexible mounting options
Product properties
  • Adjustable table feet
  • Rigid, welded steel subframe, powder-coated
  • BiAir®-ED membrane air spring isolators (vertical natural frequency 2.5 – 3 Hz) between subframe and table top
  • Mechanical-pneumatic level control (level accuracy ± 1/10 mm or ± 1/100 mm, depending on the valve used)
  • Table top made from granite with a ground finish
  • Choice of colour according to customer requirements
Laboratory table LTO (optical table top) with BiAir®-ED – standard sizes
VariantWidth mmDepth mmThickness mmWorking height mmmax. load N
LTO 90-759007501007602.000
LTO 120-601.2006001007603.000
LTO 150-901.5009001007605.000
LTO 200-1002.0001.0002007605.000
LTO 240-1202.4001.2002007607.500
LTO 300-1503.0001.5003007607.500

Industrial metrology

Optimal vibration isolation for optical metrology

Polytec: laboratory benches for laser vibrometers

Kunde

Polytec GmbH

Keyfacts
  • Horizontal natural frequency 1,2 Hz
  • Level reset accuracy +/- 0,01 mm

Background

Polytec produces and distributes optical metrology for research and industry. When the company was founded in 1967, it was the first provider of laser-based technology in Germany. Since then, Polytec has grown to an international high-tech company and serves customers from the aerospace industry, medicine, nanotechnology and machine construction. Metrology from Polytec is used for highly accurate measurements of sensitive production processes, products or procedures. Therefore, Polytec is at home in the technology areas of vibrometry, velocimetry, topography, process analytics, image processing and other optical technologies. The company, which has its headquarters in Baden-Württemberg, has been relying on our solutions for vibration technology for several years.

Highlight

We configure special solutions for our customers and successfully bring them to series production.

Task

Laser vibrometers are precision measuring devices for the examination of objects of almost any size. They executre their respective tasks fast, contactless and without feedback. Laser vibrometers play a key role in the development of high-end haptic technologies, for example in haptic displays for smartphones and other technical input devices.

These optical measuring devices must be mounted optimally on vibration-isolated laboratory benches so that the devices can work smoothly and test even the smallest surface details error-free. The demands of the customer for isolation efficiency, and therefore the quality of the measuring instruments, could not be met sufficiently until now. For this reason, Polytec commissioned us to develop a tailor-made solution.

Solution

Our laboratory benches are designed for vibration-decoupled operation of vibration-sensitive measuring and testing equipment, laser devices, optical and electronic devices, scales and medical equipment. Bilz tables are therefore optimally suited for all applications where vibrations and level changes could permanently disturb the measurement, experiment, or work.

In the area of laboratory benches, in particular, individual requirements vary greatly depending on the application. For Polytec we developed a special solution with a laboratory bench with a granite table top. This top guarantees an inherently rigid base and, with its higher mass, is superior to optical table tops in its insulating effect. For this static application we chose Bilz pendulum air spring BiAir® PAS as the optimal insulator.

Our highly effective membrane air spring isolators BiAir® PAS isolate disturbing vibrations from the environment. At the same time the mechanical-pneumatic level control ensures that the level can be kept at a reset accuracy of +/- 0,01 mm, even with load changes. Furthermore, a maintenance unit is included in the scope of delivery, which is connected upstream for compressed air preparation.

The prototype of this special solution convinced not only Polytec, but also their end customers. These laboratory benches have since been mass-produced by Bilz. However, Polytec does not only rely on this application from us, but also on our vibration-isolated laboratory benches for other metrology systems.

We have worked with Bilz since 2012. Their good advice and the coherent overall product, especially in respect of performance and costs, have convinced us.

Markus Grittmann
Designer, Polytec GmbH

Areas of application

We look back on decades-long experience in the area of vibration technology and isolation. We develop vibration-isolation laboratory benches and table platforms for static and dynamic applications for our customers, such as:

  • measuring and test devices
  • laser devices
  • microscopes
  • scales
  • medical devices

Research/Laboratories

When the showroom vibrates …

Bilginoğlu: laboratory benches for optimal vibration isolation

Kunde

Polytec GmbH

Keyfacts
  • Horizontal natural frequency 1,2 Hz
  • Level reset accuracy +/- 0,01 mm

Background

Polytec produces and distributes optical metrology for research and industry. When the company was founded in 1967, it was the first provider of laser-based technology in Germany. Since then, Polytec has grown to an international high-tech company and serves customers from the aerospace industry, medicine, nanotechnology and machine construction. Metrology from Polytec is used for highly accurate measurements of sensitive production processes, products or procedures. Therefore, Polytec is at home in the technology areas of vibrometry, velocimetry, topography, process analytics, image processing and other optical technologies. The company, which has its headquarters in Baden-Württemberg, has been relying on our solutions for vibration technology for several years.

Highlight

We configure special solutions for our customers and successfully bring them to series production.

Task

Laser vibrometers are precision measuring devices for the examination of objects of almost any size. They executre their respective tasks fast, contactless and without feedback. Laser vibrometers play a key role in the development of high-end haptic technologies, for example in haptic displays for smartphones and other technical input devices.

These optical measuring devices must be mounted optimally on vibration-isolated laboratory benches so that the devices can work smoothly and test even the smallest surface details error-free. The demands of the customer for isolation efficiency, and therefore the quality of the measuring instruments, could not be met sufficiently until now. For this reason, Polytec commissioned us to develop a tailor-made solution.

Solution

Our laboratory benches are designed for vibration-decoupled operation of vibration-sensitive measuring and testing equipment, laser devices, optical and electronic devices, scales and medical equipment. Bilz tables are therefore optimally suited for all applications where vibrations and level changes could permanently disturb the measurement, experiment, or work.

In the area of laboratory benches, in particular, individual requirements vary greatly depending on the application. For Polytec we developed a special solution with a laboratory bench with a granite table top. This top guarantees an inherently rigid base and, with its higher mass, is superior to optical table tops in its insulating effect. For this static application we chose Bilz pendulum air spring BiAir® PAS as the optimal insulator.

Our highly effective membrane air spring isolators BiAir® PAS isolate disturbing vibrations from the environment. At the same time the mechanical-pneumatic level control ensures that the level can be kept at a reset accuracy of +/- 0,01 mm, even with load changes. Furthermore, a maintenance unit is included in the scope of delivery, which is connected upstream for compressed air preparation.

The prototype of this special solution convinced not only Polytec, but also their end customers. These laboratory benches have since been mass-produced by Bilz. However, Polytec does not only rely on this application from us, but also on our vibration-isolated laboratory benches for other metrology systems.

We have worked with Bilz since 2012. Their good advice and the coherent overall product, especially in respect of performance and costs, have convinced us.

Markus Grittmann
Designer, Polytec GmbH

Areas of application

We look back on decades-long experience in the area of vibration technology and isolation. We develop vibration-isolation laboratory benches and table platforms for static and dynamic applications for our customers, such as:

  • measuring and test devices
  • laser devices
  • microscopes
  • scales
  • medical devices

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