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Mechanical processing

Thanks to a machinery inventory acquired and implemented in recent years, we are able to perform some types of mechanical processing internally, such as grinding and turning; among tools we have:


  • Saw used to cut to size small and round profiles in 100Cr6 and 18NiCrMo4 steel

  • CNC lathe through which we create "raw" products suitable for heat treatment

  • Centreless grinding used for the production of cylindrical rollers, conical rollers and more generally cylindrical bodies

  • Flat grinding machine used to obtain flat and uniform surfaces

  • Internal grinding that allows to process the internal surfaces of cylindrical bodies and create external rings and mantles

  • External grinding with spindle and tailstocks to finish the external parts


Our equipment can carry out processing within a certain dimensional range; we also rely on expert subcontractors and suppliers to work and process every product which is dimensionally outside our range of production ;this cooperation allows us to realize a huge variety of special and customized products for every need.

We also carry out mechanical constructions such as forklifts’ lifting mast, thanks to some sector specialists’ support.

Machining on steel profiles


In addition to machining services on bearings, the experience gained in our field and the machinery we own allow us to work the steel guides too. The main available processes are:



is the process of creating the profiles, the semi-finished material is heated and made to flow through a series of cages that shape it until it reaches the desired shape. Subsequently, the product can undergo a cold rolling which allows to minimize the friction of the processing on the surface and consequently also the dissipation of energy.



is performed to create unique and customized bodies and can also be made on the guides, creating the welded and milled profiles. It is often performed, according to the customer's needs, also to join the axial radio combined bearings to the respective fixing plates.



allows to work the standard profiles and to personalize them; in particular it allows to remove the superficial part of the product to make it much more adequate to the specific requests; thanks to this process, from simple rolled profiles, the guides become machined in order to allow good precision and a good coupling between bearings and profile / guide.

Heat treatments


Heat treatments can be applied on the entire bearing or on some of its parts most subject to particular stresses or impacts in order to minimize the risk of structural deformation. We mainly carry out two types of treatments:


Cementation or carburizing

serves to increase the surface hardness of some types of steel, allowing better resistance to wear, corrosion and impact. This process consists in enriching the outer layer of mild steel (low carbon) by adding additional carbon in order to modify the molecular structure and therefore make it more resistant; the core, on the other hand, maintains the original structure, thus ensuring the original toughness of the alloy. Subsequently it is always necessary to reclaim, that is the process of hardening and tempering.


Hardening and tempering

are carried out to treat various types of steel, including 100Cr6.
Hardening consists in bringing the material to a temperature between 750-800 ° C and then cooling it quickly by immersing it in a liquid. This treatment modifies the structure transforming it into martensite, a material with high hardness and considerable breaking load, but with a low impact resilience that can cause fractures, for this reason the subsequent tempering step is necessary.

Tempering takes place at about 220 ° and allows to obtain an optimal hardness / toughness ratio according to the product applications; this serves not to frustrate the hardening operation which gave the material high hardness but which, on the other hand, made it less resistant to impact.

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