SyncroTherm – aplikace a procesy ve vakuu

Schmidt Marcus - ALD Vacuum Technologies GmbH (Germany)

The air which surrounds us primarily consists of a nitrogen and oxygen mixture. This gas mixture is the basis for all life on our planet. However beneficial the effect may be on life, the disadvantageous it is in certain processes, especially in combination with high temperatures. These oxidation processes, when reinforced by high temperatures, act highly aggressively towards materials and build oxides between the oxygen and the metallic elements.
Heat Treatment in vacuum helps to prevent these negative effects.
Vacuum heat treatment does not only lead to advantages in quality but also offers entirely new options, especially with the SyncroTherm plant, regarding cycle time and process flexibility through random process routings, thus creating a variety of heat treatment possibilities.
The SyncroTherm plant’s high level of automation sets new standards and stands out in terms of production integration, I 4.0 functionality, full traceability of parts through laser codes as well as conformity with important quality standards such as CQI 9 or Nadcap.
The One-Piece-Flow-Production allows generating cycle times of < 8 min. The SyncroTherm plant also offers new process options such as the intermediate cooling process, for example. Generally, special micro-alloyed steels are used in high treatment temperature carburizing (>=1000°C) in order to prevent a coarse-grained structure. However the intermediate cooling process allows to perform high-temperature carburizing using cost-effective conventional steels. The resulting coarse grain structure will be refined by means of an intermediate cooling step followed by a reaustenitizing and quenching step. This leads to significantly shorter process cycles without the need for special micro-alloyed steels.
In addition to low pressure carburizing, further heat treatment processes such as neutral hardening, annealing, tempering, brazing or sintering of PM-parts in vacuum are well established.

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