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Specifications

SP125 High Speed Air Bearing Spindle F A B C D E

Specifications SP125

Options & Accessories:

Flange Diameter (A) 6.25” (158.75 mm)

Motion controller with programmable operator touch pad

Shaft Diameter (B) 3.00” (76.2 mm) 4.74” (120.4 mm)

Foot mounting option

Housing Diameter (C)

Vacuum chucks

Mounting Flange Depth (D) 2.44” (62.0 mm)

Precision collet tooling

Shaft Length (E) 7.0” (177.8 mm)

Liquid cooling Dual element filter/regulator

Overall Length (F)

Linear stage assemblies

(includes 2.5” for minimum cable 16.5” (419.1 mm)

Granite surface plate bases

Radial Load Capacity 110 lbs (50 Kg) Axial Load Capacity 150 lbs (68 Kg) Air Usage 1.5 scfm (2.6 m
3 /h) Operating Speed Range 0-6,000 RPM Radial Stiffness (at spindle nose) 0.367 lbs/µ” Axial Stiffness 0.75 lbs/µ” Radial Error Motion 4.0 µ” Radial Asynchronous Error Motion 2.0 µ”
Typical motion controller touch pad layout Axial Error Motion 2.0 µ”
*Maximum load capacities - consult ABTech for recommendations on practical loads ~Load capacities are estimated at the front (nose)~Performance can be affected by method of mounting the spindle and loading ~Radial test data is measured at 1” from spindle nose ~Error motion accuracies were tested at 6,000 rpm ~Special accuracies can be supplied ~Consult ABTech’s engineers for moment loading and stiffness considerations ~Specifications are at 60 psi (4 kgf/cm2) ~Specifications are subject to change without notification

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

1084.pdf ABTech_SP125__2008A