Bridgeport Series I CNC Knee Mill with new Retrofit 2025 | SB 7611988, S/N HDMG4095D
ConditionUsed
1 available
Bridgeport Series I 3-axis CNC Knee Mill (impecably clean) upgraded with Centroid M39 CNC Control
Completed August 2025
Includes Power Knee, Power Drawbar, Thumb Drive, Download CAM, Tooling, fully upgradeable to 4-axis
Centrol M39 3-axis CNC control (APC power backup for the control drive) -- Brochure attached
The M39S uses CENTROID's new ALLIN1DC CNC control card along with a new Windows OS based Tablet PC running the reliable CNC12 software. This controlis compatible 3rd party software tools on the control such as G code editors, CAD systems, CAD/CAM systems
- Full 3-axis Control (X, Y, Z) with capabilities of adding 4th axis drive.
- Remote operator control pendant, plug and play control of
spindle, jog axes, tool check, e stop, feed hold, coolant
- Pre-programmmed key functions
- G code backplot graphics with time estimation
- USB 2.0 and Ethernet Lan connection for easy file transfer
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
This machine is in near perfect condition - Watch The Video
New Bridgeport or equal cnc knee mill would cost $28-32K plus upgrades, tooling, etc.
1 Day of training included in Colorado; installation available within 100 miles of Denver (time & Materials)
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 Capacity
Power Quill Feed 3 3/4” Diameter
Manual Drilling Capacity 3/4” Mild Steel
Boring Range 6” Mild Steel
Spindle Diameter 1.875 in
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
Actual Floor Space 64” x 68”
Actual Height 82”
Estimated Weight 1950 lbs.
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