Milling Machines BRIDGEPORT Series 1

Technical Specifications - Bridgeport Series I

Table Size / Work Surface 9" × 49" (≈ 299 mm × 1245 mm)
T-slots 3 pieces, spacing 2.5" (≈ 64 mm), groove width 0.625" (≈ 16 mm)
Travel X (Transverse) without Power Feed: 36" (≈ 914 mm)
with power feed: 33" (≈ 838 mm)
Travel Y (Transverse to Feed) 12" (≈ 306 mm)
Quill Stroke (Drilling Spindle Stroke) 5" (≈ 127 mm)
Knee Lift (Z-Axis of Table) 16" (≈ 406 mm)
Ram Adjustment (Head Stem on Ram Slide) 12" (≈ 306 mm)
Min. / Max. distance spindle axis to table nose (spindle/table nose distance) min: 2.5" (≈ 64 mm)
Max: 18.25" (≈ 463 mm)
Min. / Max. distance spindle to column front (minimum/maximum internal width) min: 6.75" (≈ 171 mm)
max: 18.75" (≈ 476 mm)
Spindle / Quill Spindle Diameter: 1.875" (≈ 48 mm)
Quill Diameter: 3.375" (≈ 86 mm)
Spindle holder (standard): R-8
Spindle motor / power 30 minutes load: 3 HP (approx. 2.2 kW)
Continuous power: 2 HP (≈ 1.5 kW)
Spindle speed range (variable, with two ranges) Low range: 60 – 500 rpm
High range: 500 – 4200 rpm
Drilling capacity (Power Quill Feed, I5121380 mild steel) approx. 3/8" I5121380 (≈ 9.5 mm)
Milling capacity (mild steel, cut) approx. 2 CI/min (cutting inches per minute)
Drilling radius (mild steel) up to Ø 6" (≈ 152 mm)
Travel speeds (X/Y) manual / automatic up to 100 ipm (≠≈ 2540 mm/min) in CNC model
Machine footprint & floor height: 84" × 120" (≈ 2140 mm × 3048 mm)
Overall Height: 87" (≈ 2210 mm)
Net weight: approx. 1930 lbs (≈ 875 kg)
Maximum workpiece weight (on table) approx. 750 lbs (≈ 340 kg)
seller offer No. resale 168052430