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Industrial Freeform Generation of Microtools by Laser Micro Sintering
Precision tools with structural resolution reaching the 20 micrometer range can be generated
on an industrial scale by “laser micro sintering”. Components featuring aspect ratios above 12
and a roughness Ra down to 1.5 micrometers have already been produced from sub micrometer
grained metal powders. The components can be generated either firmly attached to a substrate or
fixed in an easily separable mode. If supporting structures are employed, undercuts up to 90° are
feasible, without, a process parameter dependent maximum angles of undercut below 90° are
obtained.
The process has been introduced into the market, labeled microSINTERING by
3D-Micromac AG.Mechanical Engineerin