Bridgeport Series 1 Vertical Knee Mill w/1 HP Step Pulley Head, 9" x 48" Table, Chrome Ways, One Shot Lube

Bridgeport Series 1 Vertical Knee Mill

1 HP Step Pulley Head,

9" x 48" Table,

Chrome Ways,

One Shot Lube

8-SPINDLE SPEEDS,

80-2720 RPM,

SERIES I

Range

Table Travel (X-Axis, end of table to end of saddle)

without Power Feed 31in. (787mm)

with Power Feed 30 in. (762mm)

Saddle Travel (Y-Axis) 12in. (305mm)

Quill Travel 5 in. (127mm)

Knee Travel (Z-Axis)* 16 in. (406mm)

Ram Travel 12 in. (305mm)

Throat Distance (min.) 6.75 in. (171mm)

Throat Distance (max.) 18.75 in. (476mm)

Table to Spindle Nose Gage Line

(min.) 2.5 in. (64mm)

(max.) 18.25 in. (463mm)

Table

Overall Size 48 x 9in.

Working Surface 48 x 9in.

T-slots Centers 3 @ 2.5in. (64mm)

T-slot Size 0.625in. (16mm)

Height above Floor (max.) 47.25in. (1200mm)

Weight of Workpiece (max.) 750lbs. (340kg.)

Spindle (J Head)

AC Power Rating

(30 min. duty cycle) 3 HP (2.2 kW)

(continuous) 2 HP (1.5 kW)

Spindle Taper R-8

Tooling R-8 Collets

Speed Range

80- 2720

Power Quill Feed (3) 0.0015 in./rev (0.038mm)

0.003 in./rev (0.076mm)

0.006 in./rev (0.152mm)

Drilling Capacity

Power Quill Feed 3/8 in. (9.5mm)

Milling Capacity (mild steel) 2 CI/min.

Boring Range (mild steel) 6 in. dia. (152mm)

Spindle Diameter 1.875 in. (48mm)

Quill Diameter 3.375 in. (86mm)

Positioning

Feedrate Range (X, Y) 0.50-35 ipm (13-889mm/min)

Minimum Increment 0.0001in. (0.003mm)

Space and Weight

Floor Area 8.3 x 7.8 ft. (2.53 x 2.4m)

Height 87 in. (2.21m)

Net Weight 1930 lb. (875kg)

Shipping Weight 2075 lb. (941kg)

Power

Input Power 208/230/460 volts

3 phase, 50/60 cycle

Power Capacity 4kVA