Internal cylindrical grinding

Grinding of turned parts is a machining technique that consists of machining mechanical parts to improve their precision and/or surface finish.

Different types of grinding can be used depending on the characteristics and shape of the part to be ground.

SA Lefaillet performs all these types of grinding, and in particular internal cylindrical grinding.

Internal cylindrical grinding

Internal grinding is a cylindrical grinding operation in which the grinding wheel machines the inside of the workpiece.

This internal grinding can be carried out in the following ways:

  • Internal cylindrical grinding

  • Internal conical grinding

  • Internal form grinding

Main equipment used for internal grinding

The main equipment used for internal grinding at Lefaillet is as follows:

  • 3 Voumard machines.
  • 1 CNC 2-spindle machine.
Possible dimensions and tolerances for internal grinding

At Lefaillet, we can grind your turned parts with internal cylindrical grinding in the following dimensions:

  • ∅ 6 to ∅ 120.
  • Maximum length: 100 mm (depending on the type of parts).


  • Dimensional 0.01.
  • Geometric 0.005

For more information or a quote for your internal cylindrical grinding needs for your turned parts, contact us!

High Precision Grinding

Our grinding services for precision turned parts and machining

Cylindrical internal grinding

Lefaillet takes care of the internal cylindrical grinding of your precision turned parts or precision machining parts.

External cylindrical grinding

Lefaillet can apply external cylindrical grinding between centers or in collets to your turned parts.

Centerless or plunge grinding

Lefaillet can process your turned parts with centerless throughfeed or plunge grinding.

Grinding and pairing of turned parts

Lefaillet can handle the grinding and pairing of your precision turned parts.

Other services for precision turned parts

Lefaillet can provide other services around the grinding of your precision turned parts.

Your precision turned parts can also go through combined grinding operations.

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