SERDI – STroniK Interpolation Technology M, XL, STD


All-Purpose Guides and Valce Seats Cutting Machine

World leader in the the cylinder head machining’s area, thanks to its patented centering systems on air cushions, Serdi had to be the leader in the seat machining systems cutting by CNC interpolation.

Due to last engines technological innovations, Serdi noticed a growing demand for machines capable of machining valve seats with materials getting always harder. This development will continue in the coming years and that’s why Serdi offers new solutions adapted to this problematic.

To achieve this goal, Serdi cooperates with a world leader in precision tools production: Komet. This famous German company has recently developed induction technology devices and motors to generate and control movements of U axis. This patented system is called Komtronic. It has been used up to now mainly on CNC machinig centers. Among the Komtronic’s customers are in particular OEM vehicle manufacturers.

Serdi cooperates with Komet for the integration of Komtronic technology in the new machines designed for rebuilders or tuners. Thus was born the STroniK, which is based on the intrinsic knowledge of each partner. The STroniK is a machine of high accuracy designed by combining the cutting edge technology of the machine tool in terms of mechanics, CNC control, and power motors.

The reliability of STroniK is guaranteed by the fact that each component of the machine has been used and tried in other applications for several years

STroniK – M

Diameter range 20 – 163 mm
Table travel 160 mm
Spindle speed 0 – 3000 RPM
Spindle power 4 kW
External Measures 2200 x 1050 x 2320 mm
Weight 1500 kg

STroniK – XL

Diameter range 20 – 163 mm
Table travel 300 mm
Spindle speed 0 – 3000 RPM
Spindle power 4 kW
External Measures 2765 x 1150 x 2320 mm
Weight 1750 kg

STroniK – STD

Diameter range 20 – 163 mm
Table travel 160 mm
Spindle speed 0 – 3000 RPM
Spindle power  4 kW
External Measures 2000 x 1150 x 2320 mm
Weight 1560 kg


  • CNC Digitally Controlled Z and U axes
  • Induction motor up to 300mm/min
  • Intake and exhaust seats simultaneously
  • Variable speed with 4kW built-in spindle
  • Diameter from 20mm to 163mm
  • Triple air-float centering system
  • Conversational CNC
  • Machine depth measurement
  • Improved rigidity modern modular bed design
  • Efficient manual approach
  • Pneumatic clamping jack
  • Vacuum system
  • Cooling trough spindle
  • Laser probing
  • Dedicated tool bit sharpener
  • 360 degrees roll over fixture



  • Marine engines
  • Racing
  • Motorcycle
  • Automotive


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