TOS BUAJ 28-630

TOS BUAJ 28-630
Year: 1990

Max grinding diameter: 11"
Distance between centers: 25"
Max workpiece weight between centers: 276 lbs
Workhead spindle taper: #4 MT
Workhead spindle speed range: 22.4–710 RPM (12 speeds)
Workhead swivel range: ±90°
Tailstock spindle taper: #4 MT
Tailstock sleeve: 1"
Wheelhead travel maximum: 10.5"
Hydraulic rapid traverse (stroke): 1.5"
Auto infeed per table reversal: 0.0002"–0.002"
Auto plunge infeed rate, coarse: 0.0040"–0.157" IPM
Auto plunge infeed rate, fine: 0.00060"–0.04" IPM
Minimum manual micro-infeed (diameter): 0.00004"
Wheelhead swivel range: ±45°
Grinding wheel dimensions: 16" x 1.5" x 5"
Minimum grinding wheel diameter: 10"
Max grinding wheel width: 2.5"
Wheelhead motor: 5.5 HP
Grinding wheel speeds: 2,040 & 2,560 RPM
Max table travel: 30"
Minimum table travel: 0.04"
Table swivel clockwise: 8°
Table swivel counterclockwise: 3°
Hydraulic table traverse range: 2"–275"
Floor space required: 103" x 65" x 60"
Machine weight: 5,800 lbs

Hydrodynamic spindle bearings
Hydraulic table traverse
Auto infeed at table reversals
Dual rate auto plunge infeed
Power rapid wheelhead advance and retraction
Sparkout 0 to 30 seconds
Dual live/dead workhead spindle
Separate electrical cabinet
Swing-down I.D. grinding attachment
I.D. grinding spindle provided
Coolant tank with magnetic separator
Adaptor plate for workhead
Magnetic chuck with adaptor on workhead
Machine wired for 220V
440V transformer included