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Specifications AT Series Ultra-Precision Air Bearing Tables

Options & Accessories:

Tilt and center worktables

D

Standard and custom sized clear apertures Motor drives and controllers Encoders and amplifiers Granite surface plates & support stands

E

Gage stands Dual element filter/regulators Custom bolt circle patterns Custom fixturing and work holder tooling

Ordering Information:

To order by model number: AT100/100 - A1 - CA100

A

Rotary air bearing series Optional clear aperture diameter Worktable diameter Accuracy class (see table below)

C Accuracy Class Radial/Axial Angular (coning) A1 1.0 µ” (0.025 µm) 0.5 µ”/in (0.012 µm/25mm) A2 2.0 µ” (0.05 µm) 1.0 µ”/in (0.025 µm/25mm) A5 5.0 µ” (0.125 µm) 1.0 µ”/in (0.025 µm/25mm) B A10 10.0 µ” (0.25 µm) 1.0 µ”/in (0.025 µm/25mm) AT100 AT150 AT200 AT250 AT300 AT400 Table Dia. (A)

3.937” (100 mm) 5.906” (150 mm) 8.0” (203.2 mm) 10.0” (254 mm) 12.0” (304.8 mm) 15.75” (400 mm)

Base Dia. (B)

5.5” (139.7 mm) 8.0” (203.2 mm) 9.75” (247.65 mm) 13.25” (336.55 mm) 15.0” (381.0 mm) 19.0” (482.6 mm)

Bearing Height (C)

2.686” (68.2 mm) 3.50” (88.9 mm) 4.87” (123.7 mm) 5.81” (147.57 mm) 5.875” (149.2 mm) 6.25” (158.75 mm)

Thru-hole Dia. (D)

0.875” (22.23 mm) 1.25” (31.75 mm) 1.51” (38.35 mm) 1.51” (38.35 mm) 1.75” (44.45 mm) 2.0” (50.8 mm)

Tapped Holes (E)

M5 x 0.8* M5 x 0.8* M5 x 0.8* 1/4-28 UNF 1/4-28 UNF 1/4-28 UNF

Worktable Sizes

5.906” (150 mm) 7.875” (200 mm) 11.81” (300 mm) 11.81” (300 mm) 15.75” (400 mm) 19.68” (500 mm) 15.75” (400 mm) 15.75” (400 mm) 19.68” (500 mm) 23.62” (600 mm)

Axial Load Cap.

125 lbs (57 Kg) 250 lbs (113 Kg) 500 lbs (226 Kg) 750 lbs (340 Kg) 1000 lbs (454 Kg) 2000 lbs (907 Kg)

Axial Stiffness

0.3 lbs/µ” (5.4 Kgf/µm) 0.75 lbs/µ” (13.4 Kgf/µm) 1.5 lbs/µ” (26.8 Kgf/µm) 2.0 lbs/µ” (35.7 Kgf/µm) 3.0 lbs/µ” (53.6 Kgf/µm) 4.0 lbs/µ” (71.5 Kgf/µm)

Air Usage

1.0 scfm (1.7 m 1.5 scfm (2.6 m 1.5 scfm (2.6 m 1.5 scfm (2.6 m 2.0 scfm (3.4 m
3 /h)
3 /h)
3 /h)
3 /h) 1.5 scfm (2.6 m
3 /h)
3 /h)

Weight

10 lbs (4.54 Kg) 20 lbs (9.0 Kg) 65 lbs (29.5 Kg) 130 lbs (59.0 Kg) 190 lbs (86.2 Kg) 300 lbs (136.1 Kg) * Will accept #10-32 UNF ~Specifications are at 60 psi (4 kgf/cm
2 ) ~Load capacities are balanced and centered on the work table ~Performance can be affected by method of mounting the table and loading ~Consult ABTech’s applications engineers for details and mounting information

Phone: +603-358-6431 Fax: +603-358-0196 E-mail: info@abtechmfg.com www.abtechmfg.com P.O. Box 10296 126 Monadnock Highway Swanzey, NH 03446

1084.pdf AT_Series_2008A