VACUUM CARBURIZING
FINECARB®
The application of FINECARB® technology enables the achievement of optimal surface layer parameters by eliminating internal oxidation and uncontrolled, undesirable precipitations.
An additional effect is the reduction of deformation of components during their heat treatment.
VACUUM CARBURIZING - FINECARB®
We offer process execution in single-chamber vacuum furnaces, where both the carburizing and quenching processes occur within the same chamber, as well as in dual-chamber vacuum furnaces. In the dual-chamber furnaces, carburizing is conducted in one chamber, known as the “heating chamber,” while quenching is performed in the second chamber, the “cooling chamber,” connected to a quenching tank.
Low-pressure carburizing of steel using FineCarb® technology ensures the desired surface layer thickness is achieved in significantly shorter timeframes compared to gas carburizing, with full process control and repeatability.
After the carburizing stage, quenching can be performed in vacuum oil or high-pressure nitrogen.
FineCarb® vacuum carburizing is designed to replace the widely used gas carburizing technology, predominantly applied in the automotive industry. Gas carburizing is characterized by high energy consumption and significant environmental pollution. The level of solution complexity achieved in surface layer design and process execution is unparalleled globally, relying on computer simulation and monitoring of hardened layer growth. This solution effectively competes in the global market among leading companies in similar technologies.
The physical model of phenomena occurring during the carburizing process is based on the following assumptions:
The carburizing atmosphere (during the carburizing phase) is continuously supplied to the surface,
The composition of the atmosphere remains unchanged throughout the entire process,
Carbon atoms are released as a result of catalytic interactions between the atmosphere and the carburized surface,
Carbon is transported into the material through non-reactive diffusion, in accordance with Fick’s equations,
The carbon diffusion coefficient in austenite depends on temperature, carbon concentration, and the presence of alloying elements,
In the calculations, a semi-infinite region is considered.
The system allows for the design of carburizing processes, as well as the analysis and optimization of these processes, without the need for costly test processes on actual parts. It is based on a user-friendly interface.
Equally important as process design is its monitoring and control during the carburizing process.
max. dimensions of the working for chamber VACUUM CARBURIZING:
We offer hardening processes in vacuum furnaces with a maximum load capacity of 1200 kg gross. The dimensions of the working chambers are as follows:
a = max 1200mm
b = max 900mm
c = max 750mm
The dimensions apply to processes such as hardening and carburizing (cooling in oil or gas), aging, solution heat treatment, tempering, annealing, and brazing in a vacuum chamber furnace.
