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Gear wheel manufacture via laser additive manufacturing

Zahnradfertigung mittels Laserstrahlschmelzen
 
: Kamps, Tobias

Abele, Eberhard ; TU Darmstadt:
13th Powertrain Manufacturing Conference 2015 : Powertrain Production 2020, Global Networks. New Processes. Resource Efficiency; November 17-18, 2015, Darmstadt
Darmstadt, 2015
S.276-289
Powertrain Manufacturing Conference <13, 2015, Darmstadt>
Englisch
Konferenzbeitrag
Fraunhofer IWU ()
laser beam melting; additive manufacturing; gear manufacturing; lightweight design; functional integration

Abstract
Laser additive manufacturing (LAM) provides a suitable and promising technology for manufacturing complex parts. This enables innovative product design of gear wheels with regard to resource efficiency, lightweight design, and thermo-mechanical load adaption by functional integration.
In order to produce gear wheels with sufficient material properties, an optimized LAM-process together with pre- and post-processes is developed. Using the case-hardening steel 1.7131, resulting material properties and microstructure is evaluated and compared to conventionally manufactured material.
As a result, LAM is qualified for 1.7131 and appropriate heat treatment processes for stress relief annealing and case hardening is developed for a reference gear geometry.

: http://publica.fraunhofer.de/dokumente/N-367105.html