Overhaul and Repair

Professional spindle and motorized spindle overhaul

ZAYON draws on the experience of Pi.Effe, a long-established company in Turin’s mechanical engineering sector. Over the years, Pi.Effe has built up the expertise and skilled team needed to meet the demands of the motor spindle manufacturing and overhaul market, making it a trusted partner for any motor spindle-related issue.

Thirty years of experience across all types and brands on the market

Professional overhauls—whether scheduled or emergency—are essential to business productivity. They can restore equipment to performance levels equal to or even better than new.

The results are tangible and measurable: increased machine-tool productivity and higher, consistent product quality.

Products available for overhaul

ZAYON relies on a team of professionals with decades of experience and all the equipment needed to overhaul the following types of spindles/motor spindles:

  • grinding
  • milling
  • turning and milling
  • hydrostatic
  • hydrodynamic
  • high frequency
  • workpiece-holding heads
  • tailstocks
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Machining steps

Our team has a state-of-the-art technical department that can support you every step of the way, ensuring a high-quality result and substantial increases in service life and performance.


Thanks to our 30 years of experience, we have developed a method that allows us tocarefully and efficiently guide your project through every stage:


  1. disassembly
  2. analysis
  3. quote
  4. balancing
  5. assembly
  6. running-in
  7. certification

Overhaul of hydrostatic and hydrodynamic spindles and motor spindles

Overhauling hydrostatic and hydrodynamic spindles/motorized spindles is an integral part of our expertise. Our company is equipped with all the necessary equipment for functional testing (such as dedicated hydraulic power units and cooling units). We guarantee an overhaul with a quality result comparable to that of newly manufactured spindles.

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Spindle Hotel

Our Spindle Hotel service lets you store your motorized spindle at our facility for extended periods and includes:


  1. certified periodic functional testing
  2. ready-to-use guarantee
  3. immediate shipping

Custom Overhaul

ZAYON can provide custom services such as:

  • custom design
  • Improvements
  • spare parts supply
  • functional checks and vibration testing at the customer's site


Over 85% of our production is custom-made, designed to meet our customers’ requirements or drawings.

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Brands We Work With

  • Biglia
  • Blohm
  • Breton
  • Bridgeport
  • Chron
  • Cincinnati
  • Comau
  • Cytec
  • Daewoo
  • Deckel Maho
  • DKF
  • Emag
  • Ex-Cell-0
  • Huron
  • Ibag
  • Junker
  • Kessler
  • Kitamura
  • Klingelnberg
  • Landis
  • Lidkoping
  • Line
  • Lizzini
  • Makno
  • Mandelli
  • Matzuura
  • Mazak
  • Meccanicanova
  • Mecdf
  • Mkron
  • Mori Seki
  • Nakamura
  • Niles
  • Okuma
  • Omlat
  • Omv Parpas
  • Pope
  • Precise
  • Rambaudi
  • Rastelli
  • Reckert
  • Saimp
  • Samputensili
  • Setco Studer
  • Starrag
  • Step Tech
  • Studer
  • Tacchella
  • Tschudin
  • Voumard
  • Weeke
  • Weiss