Factory Rebuilds and Retrofits

Kays Engineering offers factory rebuild services for both the DeHoff and Eldorado lines of precision drilling machines. By refurbishing your used DeHoff or Eldorado, you get the performance and reliability of a new machine without the new machine price.

All full rebuilds offer the newest control options as retrofits and employ the latest technologies, which enables Kays Engineering to offer a 12-month warranty on all factory rebuilds, the same as our new machines.

Machine Rebuilds

Machine rebuilds can include any of the following, depending on customer needs:

Machine Component Replacement

  • Re-grind the Slide Ways
  • Re-machine and hand-scrape Gibs and Straps
  • Replace and hand-scrape Chip Box
  • Spindle Test and Break-in
  • Full re-paint
  • Spindle Bearings
  • Spindle Motor
  • Spindle Lube System
  • Spindle Drive Belts
  • Ball Screw and Bearings
  • Rotary Coolant Union
  • Hoses and Fittings as needed
  • Spray shields and Bellows

Electrical Component Replacement

  • Latest Machine Control featuring Beckhoff components
  • Variable Frequency Drive
  • Encoder Feedback Servo Drive System and Motor
  • Motor Starters
  • Wiring
  • Electrical Enclosure

Coolant System Component Replacement

  • New High Pressure Pump
  • Rebuild High Pressure and Transfer Pump Motors
  • Replace all Wiring, Hoses, and Fittings as needed
  • Full re-paint

Need more information on factory rebuild services?

Call us! We're here to help you.

Ed Kays, President
660.886.9929 (ext. 116)

Beckhoff Controls Retrofit Kit

Kays Engineering offers a control retrofit kit to convert your older Eldorado machine from manual operation to the newest control technology featuring a Microsoft Windows®-based operating system. The control retrofit kit includes:

  • Windows-based OS
  • New Power Cabinet
  • Servo Motor
  • Satellite Operator Station

The complete system comes ready to mount, power up, and go.

Need more information on control retrofit kits?

Call us! We're here to help you.

Sam Al-Hamzawi, Eldorado Tech Support
660.886.9929 (ext. 114)