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Elrod Machine & Manufacturing Inc.

3880 E. Route 66 Suite 6

Flagstaff, AZ 86004

928-526-9032 Ph. 928-526-2301 Fax

E Mail

The Leading Manufacturer Of CNC Knee Mill Retrofit Hardware and Retrofit Kits

DIY Knee Mill Retrofit
Compu-Cut Retrofit RFQ.htm
Compu-Cut Features
Bridgeport EZ Trak Or Boss Upgrade
Rigid Tapping Adapter
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Z Axis CNC Quill Kit
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The new MPU11 communicates with the PC using an ethernet cable

Your new Centroid runs on 110V

Dwayne Elrod Webmaster

Bridgeport EZ Trak or Boss Upgrade

You can now upgrade your Bridgeport EZ Trak or Boss with a Centroid.

Yes, this can also work on old Taiwanese CNC's as well!

DX EZ Trak , EZ Plus and EZ Vision are all Candidates. If you have a 2 Axis Kit no problem. You can keep it a 2 axis or upgrade to a 3 Axis with our Z Axis Quill Drive. We have features no other Z Axis has! It works flawlessly with a Centroid.

On Boss CNC's with Servo you will not need motors and cables. However if you have an old Boss with steppers you WILL need motors and cables #10816 x 3.

This economical upgrade uses your existing motors and cables. The M39S system cabinet comes fully wired using the new MPU11 and the DC3IOB. The is enough I/O included for most standard applications. You save money by supplying your own PC, Monitor and of course your existing motors and cables.


  • Windows 7 Operating System
  • Use your own PC!
  • 2 USB Ports for file transfer or use ethernet!
  • Use your new machine in 3 modes of operation. Full 3 axis cnc, 2 axis CNC with Z Axis Feedback (Smart-Z Optional) or a manual machine with 3 Axis DRO (Z Axis Feedback comes from Smart-Z)
  • Allin1DC

Below is a list of Prices For The Centroid "M39S" System EZ Trak Upgrade.

AllinoneDC wired in cabinet

AllinoneDC board level

Items in Blue are Suggested for this upgrade.


Elrod Hardware For Upgrading Your 2 Axis To 3 Axis With A Z Axis Quill Drive

Part No.



Elrod Z Axis Quill Drive Model QU1C For Bridgeport Series 1 Heads. Either J or 2 J Heads QU1C Std $2094.00
Elrod Z Axis Quill Drive Model QU2C4 for Taiwanese Heads. 3 or 5 H.P. QU2C4 $2094.00
Smart-Z on the Quill For Z Axis Feedback 2 Axis or Man. Mode Smart-Z $794.00
Smart-Stop Gives you back your trusty stop like your manual mill has on the quill. Smart-Stop $393.00
Powder Coat to Match Your Bridgeport Color ZPC $150.00

MPU11 Introductory  system w/ PKG A software for mill controls



Pre-Wired cabinet with allin1DC  basic 3 axis control, Combined servo amplifier, inputs, outputs and spindle control:  fully wired electrical enclosure 117VAC operation, for use with your motors and servo PC w/ Pkg A software



M39s or T39s style upgrades (optional)



Add-A-PC Servo PC for use with MPU11







Key board Tray and Arm



M400s or T400s style upgrades (optional)



Add-A-Console w/ Jog Panel, 15in LCD, and Servo PC



Console Mounting Arm



Console mounting swivel for use with your arm



Console Extension Cables



Axis Motor Upgrades



2000line DC encoder with 16ft encoder cable for use with your existing motors. Availble in 6mm, .25in, .375in, .5in




17inlb motor with 16ft motor cable



29inlb motor with 16ft motor cable



40inlb motor upgrade, requires part # 10816 and 10264



220vac or 440vac single phase high power upgrade



Fully Wired Auxiliary Functions



M-Function Enclosure with Reversing Contactors, Mist, Lube, and Limit Switch cabling



S-Function Enclosure with Inverter wiring, Mist, Lube and Limit Switch cabling



Flood contactor and cabling






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Home ] DIY Knee Mill Retrofit ] RFQ.htm ] Compu-Cut Retrofit RFQ.htm ] Compu-Cut Features ] [ Bridgeport EZ Trak Or Boss Upgrade ] Rigid Tapping Adapter ] Technical Items ] Z Axis CNC Quill Kit ] CNC XY Brackets ] CNC XY Ball Screws ] CNC Yoke ] CNC Auto Lube Pump ] CNC XY Limit Switch Kit ] Visi-Series CADCAM ] Used Equipment ] Monster End Mills ] Atrump ] A one CNC Knee Mill ] Acra Machinery ] Centroidcnc ] Centroid Users Forum ] Fagor DRO's ] Align Power Feeds ] Torque-Rite Drawbar ] AC Pro Drive ] Hench Fog Buster ] Sumitomo Carbide ] Lyndex ] Saylor Beall ] MillWrite V6 ] VCarve CAM Engraving ] EditNC ] Re-Post ] Interesting Links ] Mill Parts for Sale ]