Abstract
The process class of sheet-bulk metal forming (SBMF) involves several advantages for the manufacture of functional components. Its incremental variant (iSBMF) enables a very flexible dimensioning of components. To treat the unfavorable manufacturing time of the incremental approach, this investigation is focused on an alternative process route using rotating forming tools, which decrease the process time significantly. After an analysis of the mechanical properties as well as the micro- and macroscopic surface quality, a quasi-static benchmark test was performed. Normalized by the weight of the component, gears manufactured by iSBMF and BS600 steel presented the same load capacity as gears manufactured by blanking with subsequent hardening. Here, using innovative high strength steels with a significant strain hardening behavior like high manganese steels enables for weight-reduced gears.
Highlights
Climate change leads to significantly growing ecological requirements
Autilizing a quasi-static benchmark-test, the performance of gears manufactured incremental sheet-bulk metal forming (iSBMF) is utilizing quasi-static benchmark-test, the performance of gears manufactured by iSBMF isby compared compared that of a seat-adjuster manufactured blanking with heat subsequent heat treatment
42CrMo4-steel was compared to the gears manufactured by iSBMF
Summary
Climate change leads to significantly growing ecological requirements. In the case of automotive engineering, this means a distinct reduction of CO2 -emissions. Manufacturing functional components with a load-adapted shape utilizing these conventional processes leads to several disadvantages. The manufacturing of load-adapted gears by sheet-bulk metal forming (SBMF) [7] and respectively plate forging [8] offers a suitable approach to avoid the above-mentioned disadvantages. An important aspect of the iSBMF is the utilization of strain hardening for the adjustment of the mechanical product properties This aspect has not been investigated yet. SBMF is the incremental sheet-bulk metal forming (iSBMF) Inresults this case, long calculating time for aofnumerical modelling of the iSBMF-processes, the presented are the forming forces independent of the final component’s size due to aresults locally occurs restricted mainly based on are experimental investigations.
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