Secret of Micro Milling - 2002
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Pedicle screwsScrew Dia. 0.216 in.Titanium screwturned on a swissscrew machineUsed 7 cutting tools Cervical hook0.550 x 0.550 x 0.315 in.TitaniumBar dia. 0.900 in.Used 15 cutting tools Dental implants0.215 in.TitaniumBar stock dia. 0.315 in.Used 12 cutting tools Medicalstainless steelBar stock dia. 0.630 in.Used 14 cutting tools Medicalstainless steelBar stock dia. 0.630 in.Used 14 cutting tools > (All data supplied by Willemin)

advantage of having the main spindle do thebackworking rather than a separate back-working station is that you have access to thetool magazine and to the Blum laser toolchecker in the event of tool breakage.The machine is expected to have applica-tions in the aerospace, connectors, medical,dental, and defense fields. The 408B is asmaller version of Willemin's earlier W-418B18,000 rpm 5-axis bar-fed machining centerthat uses barstock to 2.36-in. diameter and issuited to somewhat larger parts. If you havenot been to a machine tool show in the lastcouple of years, the whole idea of a...

amongst medical parts manufacturers. Tiny cutting tools Micro milling may call for micro tools. Afterthe last EMO I reported on some of the microtools on exhibit there. Another Europeanfirm is now entering the US market withmicro-sized carbide tools.Dixi (Elmsford, NY), know for its high-quality machining centers, is one of the newsuppliers of tiny solid carbide cutting tools tothe US market. In Europe it is also known forits micro solid carbide tools. For starters, Cheshire Tool (Cheshire, Conn) will start todistribute the Dixi tools in New England. The Dixi tools are made to a high level...

Reprinted by permission from the September 2002 issue of Machine Shop Guide >