Bridgeport Table type milling machine
Bridgeport Series 1 Table type milling machine
6 available s/n's BR273652,BR273648,BR252376,
425450187W,425480187W,171676
EX Aerospace some with original way Flaking
Dro's and power feeds (Most Machines)
Series 1 KneeMill
Range Table travel with Power Feed (X-Axis) 36 in 914 mm
Table travel without Power Feed (X-Axis) 31 in 787 mm
Saddle Travel (Y-Axis) 12 in 305 mm
Quill Travel 5 in 127 mm
Knee Travel (Z-Axis) 16 in 406 mm
Ram Travel 12 in 305 mm
Throat Distance (Min.) 6.75 in 171 mm
Throat Distance (Max.) 18.75 in 476 mm
Spindle (2J Head) Power Rating 30 min. Duty Cycle 3 HP 2.2 kW
Power Rating Continuous 2 HP
1.5 kW Tooling R-8 Collets
Drilling Capacity Power Quill Feed 3 3/8 in 9.5 mm
Manual Drilling Capacity 2 CI/min Boring Range 6 in 152 mm dia.
Spindle Diameter 1.875 in 48 mm
Quill Diameter 3.375 in 86 mm
Speed Range
High (Infinitely Variable) 500-4,200 RPM @ 60 Hz
Low 60-500 RPM @ 60 Hz
Power Quill Feed 0.0015 in/rev (0.038 mm)
Manual Adjust 0.003 in/rev (0.076 mm)
Manual Adjust 0.006 in/rev (0.152 mm)
Worktable
Standard 49 x 9 in 1,245 x 299 mm
T Slot center distance 3 @ 2.5 in 64 mm
T-Slot Size 0.625 in 16 mm
Height Above Floor (Max.) 47.25 in 1,200 mm
Weight of Workpiece (Max.) 750 lb 340 kg
Machine Size
Height 87 in 221 mm
Weight 1,930 lbs 875 kg
Weight (Shipping) 2,075 lbs 941 kg
Floor Space 7 x 10 ft 2133 x 3048 mm