BRIDGEPORT SERIES 1 Vertical Milling Machine 1987’ USA #GMT-3518

Reference # GMT-3518
Model # Series 1
Serial # 251827
Year of manufacture- 1987’
Table working surface- 9” x 42”
Number of t-slots- 3
Ranges:
Longitudinal (X)- 26”
Cross (Y)- 11.5”
Vertical, knee – 15”
Quill (Z)- 5”
Maximum/Minimum distance, spindle nose to table- 22-1/4"/ 6-1/2"
Maximum/Minimum distance, centerline of spindle to face of column - 18-3/4"/ 6-3/4"
Maximum uniform table load- 300 Lbs.
Ram travel- 12”
Head tilt, left and right- 90°
Head tilt, front to rear, each way- 45°
(3) Power quill feeds- .0015, .003, .006 I.P.R.
Infinitely variable spindle speeds, two ranges- 60-500 R.P.M / 500-4,200 R.P.M.
Spindle taper- R-8