
Bridgeport Series 1 EZ TR CNC Retrofit Knee Mill with Centroid M39 CNC Control, Power Knee, Power Drawbar, Thumb Drive, Download CAM, Tooling. Retrofit completed August 2025
Table Travel (X-Axis): 36”
Saddle Travel (Y-Axis): 12”
Quill Travel: 5”
Knee Travel (Z-Axis): 16”
Ram Travel: 12”
Throat Distance (Min.): 18.75”
Throat Distance (Max.): 6.75”
Standard: 48” x 9”
T Slot Center Distance: 3 @ 2.5” centers
T-Slot Size: 0.625”
Height above Floor (Max.): 47.25”
Weight of Work piece (Max.): 750 lbs.
Power Rating (Continuous): 2 HP
Tooling: R-8 Collets
Power Quill Feed: 3 3/4” Diameter
Manual Drilling Capacity: 3/4” Mild Steel
Boring Range: 6” Mild Steel
Spindle Diameter: 1.875"
Quill Diameter: 3.375”
Speed Range
High (Infinitely Variable): 500-4200 rpm
Low: 60 – 500 rpm
Power Quill Feed: 0.0015”/rev
Manual Adjust: 0.003”/rev, 0.006”/rev
Weight & Dimensions
Actual Floor Space: 64” x 68”
Actual Height: 82”
Estimated Weight: 1950 lbs.
Centrol M39 3-axis CNC control (APC power backup for the control drive)
Full 3-axis Control (X, Y, Z) with capabilities of adding 4th axis drive
Servo drive on knee
G-Code, Graphics and CAD-CAM download capable (Standard posts available online)
Mist spray (no tank include)
Auto-Lube
Tooling, lots of R8 tools and other accessories
Power Lock - Power Draw Bar
*Training available in Colorado; installation available within 100 miles of Denver*
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