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Independent Airbag Vibration Isolation Optical Table

Key Features

  • Independent air-bag isolators in each leg (non self-leveling)
  • Natural frequency 2–3 Hz
  • One inflation typically lasts 6 to 12 months
  • Stainless ferromagnetic top, M6 holes on 25 mm grid, flatness 0.1 mm/m²
  • Welded steel-grid core (22 sizes up to 6000 × 1500 mm) or bonded honeycomb core (13 sizes)
  • Load capacity 200 to 3000 kg depending on size

Model

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The DL-DLQN series uses independent air bags (air springs) in each leg, inflated separately, for good vibration isolation without an automatic leveling system. It suits users who do not need the table to re-level itself after loading. One inflation typically lasts six months to a year, making operation simple and low-maintenance.

The table top is 12Cr13 ferromagnetic stainless-steel top with M6 tapped holes on a 25 mm × 25 mm grid, flatness 0.1 mm/m² and textured matte finish (Ra 0.8–1.6 µm).

Table Construction

  • Welded steel-grid core: 6 mm steel plates welded into a cross-grid core and stress-relieved by high-temperature tempering and ageing. Heavy and very rigid, with minimal deflection under heavy loads and no risk of debonding. 22 standard sizes from 900 × 600 mm up to 6000 × 1500 mm.
  • Bonded honeycomb core (models ending in -A): Stainless top plate, sealed isolation-cup layer, bonded honeycomb core and steel bottom plate. Lighter and easier to move and install; the dust-proof cups stop liquids and debris entering the core and block air flow between tapped holes. 13 standard sizes from 900 × 600 mm up to 2400 × 1500 mm.

Models & Specifications

Welded steel-grid core

Specification Value
Flatness (mm/m²) 0.1
Max. Operating Pressure (kg) 4.5
Natural Frequency 2–3Hz
Isolation Method Air-floating isolation
Max. Dynamic Deflection Coefficient 1.1×10⁻³ ~ 3.5×10⁻³
Inflation Pressure Max. 0.6 MPa
Max. Relative Displacement (nm) 0.22~0.70
Model Table Size L×W×T (mm) Height (mm) Max. Load (kg)
DL-DLQN-0906-05 900×600×50 800 200
DL-DLQN-0906-10 900×600×100 800 400
DL-DLQN-1208-10 1200×800×100 800 800
DL-DLQN-1509-10 1500×900×100 800 800
DL-DLQN-1510-10 1500×1000×100 800 800
DL-DLQN-1511-10 1500×1100×100 800 800
DL-DLQN-1810-20 1800×1000×200 800 800
DL-DLQN-1812-20 1800×1200×200 800 800
DL-DLQN-2010-20 2000×1000×200 800 800
DL-DLQN-2012-20 2000×1200×200 800 800
DL-DLQN-2015-20 2000×1500×200 800 800
DL-DLQN-2412-20 2400×1200×200 800 800
DL-DLQN-2415-20 2400×1500×200 800 800
DL-DLQN-3012-30 3000×1200×300 850 800
DL-DLQN-3013-30 3000×1300×300 850 800
DL-DLQN-3015-30 3000×1500×300 850 800
DL-DLQN-3512-30 3500×1200×300 850 800
DL-DLQN-3513-30 3500×1300×300 850 800
DL-DLQN-3515-30 3500×1500×300 850 800
DL-DLQN-4015-30 4000×1500×300 850 800
DL-DLQN-5015-30 5000×1500×300 850 800
DL-DLQN-6015-30 6000×1500×300 850 3000

Bonded honeycomb core (models ending in -A)

Specification Value
Height (mm) 800
Isolation Method Air-floating isolation
Flatness (mm/m²) 0.1
Natural Frequency 2–3Hz
Max. Dynamic Deflection Coefficient 1.1×10⁻³ ~ 3.5×10⁻³
Inflation Pressure Max. 0.6 MPa
Max. Relative Displacement (nm) 0.22~0.70
Model Table Size L×W×T (mm) Table Weight (kg) Max. Load (kg)
DL-DLQN-0906-05-A 900×600×50 180 200
DL-DLQN-0906-10-A 900×600×100 194 400
DL-DLQN-1208-10-A 1200×800×100 199 800
DL-DLQN-1509-10-A 1500×900×100 264 800
DL-DLQN-1510-10-A 1500×1000×100 294 800
DL-DLQN-1511-10-A 1500×1100×100 314 800
DL-DLQN-1810-20-A 1800×1000×200 482 800
DL-DLQN-1812-20-A 1800×1200×200 532 800
DL-DLQN-2010-20-A 2000×1000×200 512 800
DL-DLQN-2012-20-A 2000×1200×200 562 800
DL-DLQN-2015-20-A 2000×1500×200 582 800
DL-DLQN-2412-20-A 2400×1200×200 632 800
DL-DLQN-2415-20-A 2400×1500×200 664 800

Custom sizes, hole patterns and isolation options are available on request. Datasheet: Dimension-Labs optical table selection guide (Chinese).

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