Steel Heat Treatments for splined shafts

Arcoprofil steel heat treatments: medium frequency induction hardening, carburizing, nitriding, quenching, tempering and many more.

Medium frequency induction hardening

Steel heat treatments consist of heating followed by rapid cooling in order to enhance steel properties, specifically its strength, hardness, ductility, toughness and resilience, which allow our components to withstand significant workload stresses.

Including most treatments in our in-house production process allows us to manage this stage according to the type and intended use of the product, resulting in a greater control on the output, also thanks to the monitoring systems we rely on.

Case hardening & tempering

We currently dispose of 3 induction hardening machines (2 of which are part of robotic islands) operating at medium frequency from 1 to 30 kHz, with up to 200 kW of power, 2,000 mm of maximum length and fixtures to contain distortions during the process.

The heat treatment department also includes a pit furnace used during case-hardening, also known as carburizing, to achieve high surface hardness of steel at typical depths of 0.3-2 mm.

Automatic straightening dept.

In addition, the stress relieving phase which many parts undergo is performed in a tempering furnace at a temperature of around 200°C for a variable number of hours.

Other steel heat treatments such as nitriding, chamber case-hardening and quenching + tempering are performed through the outsourcing of very reliable suppliers with whom we’ve been collaborating for years.

All parts are thoroughly washed after the treatment. If necessary, parts are also shot-blasted or sand-blasted in-house to remove surface oxidation after the treatment.