All about machining metal 3D-printed parts

As additive manufacturing and 3D printing of metal and composite parts continue to make inroads into production environments, the need to efficiently and effectively finish-machine parts when that step typically is required gains importance.

One way to do it is with a hybrid machine tool, which performs both additive and subtractive operations. A feature article about these machines by contributing writer Kip Hanson appears on Page 24, and the Look-Ahead column by freelance writer Ken Schnepf covers the MasterPrint 3D printer from Rockford, Illinois-based Ingersoll Machine Tools Inc. The machine 3D-prints and mills extra-large, single-piece composite and metal parts. (See Page 56.)

GF Machining Solutions displays the Cut AM 500 horizontal wire EDM at EMO. Image courtesy of A. Richter

Other times, printed parts that require machining are moved to another machine for material removal after the build process. Nonetheless, they first must be cut from the build base, such as with a conventional wire EDM or a bandsaw. An alternative method is from GF Machining Solutions LLC, Lincolnshire, Illinois. The machine tool builder offers the new AgieCharmilles Cut AM 500 horizontal wire EDM for cutting off additively manufactured parts from build bases. The EDM cuts parts without pressure, damage or material alteration, and there is minimal material waste, according to the company. See contributing writer William Leventon’s Machine Technology column on Page 16 to learn more.