BILZ vibration isolated workstations are characterized by outstanding quality and functionality.
• Adjustable leveling feet, rigid, welded steel frame.
• Membrane air-spring isolators BiAir® between frame and plate. Other isolators are available.
• Mechanical-pneumatic level control with level accuracy of ±0.0004″ or ±0.004″ (± 0.01 mm or ± 0.1 mm)
Range of application
• Set-up of optical laser systems: interferometer.
• Special microscopy
|Model||Width||Length||Thickness||Table top height||Optical Table Top (lbs)||Max. Load (centered)||Air spring|
|LTO 24″ x 24″ x 2"||24″||24″||2″||30″||44 lbs||550 lbs||BiAir 0.15-ED/LT|
|LTO 24″ x 36″ x 2"||24″||36″||2″||30″||66 lbs||530 lbs||BiAir 0.15-ED/LT|
|LTO 24″ x 48″ x 4"||24″||48″||4″||30″||94 lbs||500 lbs||BiAir 0.15-ED/LT|
|LTO 36″ x 36″ x 2"||36″||36″||2″||30″||99 lbs||500 lbs||BiAir 0.15-ED/LT|
|LTO 36″ x 48″ x 4"||36"||48"||4"||30"||141 lbs||460 lbs||BiAir 0.15-ED/LT|
|LTO 36″ x 60″ x 8"||36″||60″||8″||30″||218 lbs||380 lbs||BiAir 0.15-ED/LT|
|LTO 36″ x 72″ x 8"||36″||72″||8″||30″||262 lbs||340 lbs||BiAir 0.15-ED/LT|
|LTO 48″ x 48″ x 4"||48″||48″||4″||30″||188 lbs||410 lbs||BiAir 0.15-ED/LT|
|LTO 48″ x 60″ x 8"||48″||60″||8″||30″||291 lbs||725 lbs||BiAir 0.25-ED/LT|
|LTO 48″ x 72″ x 8"||48″||72″||8″||30″||350 lbs||666 lbs||BiAir 0.25-ED/LT|
|LTO 48″ x 96″ x 8"||48″||96″||8″||30″||467 lbs||550 lbs||BiAir 0.25-ED/LT|
|LTO 72″ x 72″ x 8"||72″||72″||8"||30"||556 lbs||460 lbs||BiAir 0.25-ED/LT|
|LTO 72″ x 96″ x 8"||72″||96"||8"||30"||741 lbs||1660 lbs||BiAir 0.5-ED/LT|
|LTO 72″ x 120″ x 12"||72″||120"||12"||30"||1011 lbs||1380 lbs||BiAir 0.5-ED/LT|
|LTO 72″ x 144 x 12"||72″||144"||12"||30"||1315 lbs||1080 lbs||BiAir 0.5-ED/LT|
|Model||Width (cm)||Length (cm)||Thickness (cm)||Table top height (cm)||Max. Load Cap.(centered)||Air spring|
|LTO 61×61||61||61||7.6||76||550 lbs||BiAir 0.25-ED-AL-LT|
|LTO 61×91||61||91||10.2||76||620 lbs||BiAir 0.25-ED-AL-LT|
|LTO 61×122||61||122||15.2||76||1600 lbs||BiAir 0.5-ED-ST-LT|
|LTO 76×122||76||122||15.2||76||1430 lbs||BiAir 0.5-ED-ST-LT|
|LTO 91×91||91||91||15.2||76||1550 lbs||BiAir 0.5-ED-ST-LT|
|LTO 91×122||91||122||15.2||76||4400 lbs||BiAir 1-ED-ST-LT|
|LTO 91×152||91||152||15.2||76||4200 lbs||BiAir 1-ED-ST-LT|
|LTO 76×183||91||183||15.2||76||4075 lbs||BiAir 1-ED-ST-LT|
|LTO 122×122||122||122||15.2||76||4400 lbs||BiAir 1-ED-ST-LT|
|LTO 122×152||122||152||15.2||76||4075 lbs||BiAir 1-ED-ST-LT|
|LTO 122×183||122||183||15.2||76||3300 lbs||BiAir 1-ED-ST-LT|
|LTO 122×244||122||244||20.3||76||4960 lbs||BiAir 1.5-ED|
Weight of Optical Table Top is based on Ferromagnetic steel-Black coated skins top and bottom. Other skin materials are available.
Table load capacity is based on the Center of Gravity of the load being centered on the table.
Maximum Compressive load: > 55 lbs/in²
The table above shows some common size Optical table tops. Other Widths and/or Lengths are readily available. Also other Optical Table Top thicknesses are available including: 1/2″, 1″, 2″, 4″, 8″, 10″, 12″, 16″ and 20″. Please contact our Sales Department for further details.
Note: Optical Table Top thickness dimension is approximate.
Most table manufacturers use a metal honeycomb core, which conducts vibrations and has multiple resonant frequencies, and then install tuned vibration dampers to try to suppress the resonances. These dampers are size specific and add significant weight to the table. The nonmetallic honeycomb core in our tables are designed to absorb vibrations. These tables have better vibration performance than metal honeycomb tables without the need for damping, or the extra weight.
The standard honeycomb cores are available in: ½”, 1”, 2”, 4”, 8”, 12”, 16” and 20” thicknesses to offer the optimum choice in vibration damping, strength and weight.
Core thicknesses of 2″ or 4″ are recommended for boards under 4 feet long or longer boards which are evenly supported. 8″ or thicker cores should be used for 6 – 8 feet and larger tables and where static or dynamic compliance is critical.
Despite the low price, these honeycomb cores feature a very small cell size, 3/8″ (10mm). The small cell size puts more of the core in contact with the metal surface. For those applications where the core must be Aluminum or Stainless Steel, please consult our Sales Department for special pricing.
A high strength-to-weight core combined with careful board design gives us one of the lightest boards on the market. These standard breadboards weigh in at just 12 lbs (5.4 kg) per square foot. Boards as large as 2′ x 4′ can be shipped via UPS for additional savings!
At only 15 lbs (6.8 kg) per square foot, our tables (8.3″ / 211mm thick) save on your installation costs as well. A 4′ x 8′ x 8.3″ (1219 x 2438 x 211mm) table can easily be uncrated and fully installed onto our welded steel frame table by 6 average people in under one hour with just hand tools.
No movers or special equipment required. For critical light weight applications, we offer Titanium, at 2.2 lbs per square foot (with 2” core) and our “ULTRA” Light Weight material at 3.6 lbs (1.6 kg) per square foot with a 2” (50mm) core.
Sealed Holes, No Oil, No Chips:
All machining, on the skins, core and sides, is done prior to the final assembly. The components are then cleaned, the holes sealed with a polymeric film (applied just over the holes) and the skins laminated to the core. This produces a product completely free of oil and chips. The film punctures when screws are inserted allowing sizes up to the full depth of the board (or maximum 3”) to be inserted into the board.
Some brands use a continuous plastic film or formed plastic wells, where the core is bonded to the plastic and not to the metal skin. This type of bond can creep with time or even delaminate. These boards have greater than 50 % of the core directly bonded to their metal skins.
Unless specified otherwise, the standard top and bottom plate are Ferromagnetic steel. Other skin materials such as Stainless Steel, Plastic, Aluminum and Titanium are also available.
Using identical top & bottom skins on our standard breadboards and tables avoids the problem of unmatched coefficients of thermal expansion. It is important to maintain matched thermal expansion coefficients as unmatched thermal coefficients will cause the board to bow even under uniform temperature changes.
There are 2 ways to get rid of unwanted laser reflections: absorb them or scatter them. In order to help provide protection against laser reflections and provide an attractive appearance, our boards are coated with a lightly textured flat black polyurethane coating. This coating is impervious to almost all chemicals, highly durable and absorbs >90% of the light incident upon it. The texture is less than 0.001″ (0.03mm) thick yet it helps to scatter an incident laser beam, preventing unwanted reflections and the potential eye damage from those reflections.
General Specifications – Optical Table / Breadboard Products
Available Skins: Top & bottom skins are the same material unless noted otherwise*
Core: Lightweight, High Dampening, Honeycomb Style (standard)
Tapped Holes: Lead screw tapped
Finish: Top / Sides / Bottom
Top Grid Patterns:
Borders and Corners around grid:
Flatness (top surface): 0.007” over 1 ft distance for unit sizes 48” x 72” and under. Over 48” x 72”, .010″ over 1′ with .030″ over the total length.
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