Milling machine

BRIDGEPORT Series 1

Technical Data – Bridgeport Series I

Table Size / Work Area 9″ × 49″ (approx. 299 mm × 1245 mm)
T-Slots 3 slots, spacing 2.5″ (approx. 64 mm), slot width 0.625″ (approx. 16 mm)
Travel Paths X (Longitudinal) without power feed: 36″ (approx. 914 mm)
with power feed: 33″ (approx. 838 mm)
Traverse Y (Cross Travel) 12″ (approx. 306 mm)
Quill Stroke (Quill Travel) 5″ (approx. 127 mm)
Knee Travel (Z-Axis/Table Elevation) 16″ (approx. 406 mm)
Ram Travel (Headstock Fore/Aft on Ram) 12″ (approx. 306 mm)
Min./Max. Distance Spindle Axis to Table Top (Spindle to Table Surface) min: 2.5″ (approx. 64 mm)
max: 18.25″ (approx. 463 mm)
Min./Max. Distance Spindle to Column Front (Min./Max. Throat) min: 6.75″ (approx. 171 mm)
max: 18.75″ (approx. 476 mm)
Spindle / Quill Spindle diameter: 1.875″ (approx. 48 mm)
Quill diameter: 3.375″ (approx. 86 mm)
Spindle taper (standard): R-8
Spindle Motor / Power 30 min. rating: 3 HP (approx. 2.2 kW)
Continuous duty: 2 HP (approx. 1.5 kW)
Spindle Speed Range (variable, two speed ranges)
Low: 60 – 500 rpm
High: 500 – 4200 rpm
Drilling Capacity (Power Quill Feed, mild steel)
approx. 3/8″ (approx. 9.5 mm)
Milling Capacity (mild steel, cutting)
approx. 2 CI/min (Cutting Inches per Minute)
Drilling Radius (mild steel)
up to Ø 6″ (approx. 152 mm)
Traverse Speeds (X/Y)
manual / automatic up to 100 ipm (approx. 2540 mm/min) in CNC models
Machine Footprint & Height Floor space: 84″ × 120″ (approx. 2140 mm × 3048 mm)
Overall height: 87″ (approx. 2210 mm)
Net Weight / Shipping Weight Net weight: approx. 1930 lbs (approx. 875 kg)
Maximum Workpiece Weight (on table)
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approx. 750 lbs (approx. 340 kg)

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