BRIDGEPORT #J Vertical Milling Machine 1979’ USA #7480

BRIDGEPORT #J Vertical Milling Machine 1979’ USA #7480
Reference # 7480
Model # J Head
Serial # 197127
Year of manufacture- 1979’
Table working surface- 9" x 42"
Number of t-slots- 3
Longitudinal travel- 26-1/2"
Cross travel- 12"
Vertical, knee travel- 16"
Quill travel- 5"
Minimum/Maximum distance, spindle nose to table- 2-1/2"/18-1/2"
Minimum/Maximum distance, centerline of spindle to face of column- 6-3/4"/18-3/4"
Ram travel- 12”
Head tilt, left & right- 45°
Head tilt, front to rear, each way- 45°
(3) Power quill feeds - .0015, .003, .006 I.P.R.
(8) Spindle speeds- 80 to 2720 R.P.M.
Spindle taper- R-8
Maximum collet capacity- ¾”