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| CASE
HARDENING |
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| This
thermochemical method adds defined quantities
of carbon to the workpiece. At Härterei
Reese this method functions on the principle
of gas carburising, which allows very precise
control and therefore precise specifications
of future hardening profiles. |
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After
carburisation, the components are hardened
and tempered to relieve internal stresses.
In addition to a high surface hardness (max
850 HV) and abrasion resistance, the heat-treated
workpieces exhibit good reverse bending and
fatigue strengths. Specific time and temperature
variations in the carburising, hardening,
and tempering processes can be introduced
to optimise the material properties and minimise
the changes in dimensions associated with
the respective charging techniques - here,
too, lies the Art of Hardening.
Härterei Reese works with highly automated
multipurpose batch furnace lines for the case
hardening, carbonitriding, and hardening and
tempering of mass-production parts. The workpieces
enter and leave the furnaces automatically,
all key process parameters can be precisely
controlled and documented.
This plant is used primarily for the heat
treatment of automotive parts, drive train
components, tools, etc. In addition, Härterei
Reese operates state-of-the-art shaft furnaces
suitable for the case hardening of particularly
large workpieces.
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