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Titanium machining tips

Understanding how cutting tools, feeds and speeds, and tool paths can tame the difficult-to-cut metal. Part 2 of a 3-part series on the history of titanium. Part 1, in the March 2016 issue of AM&D, covered the history of the metal. Part 3, scheduled for the June issue,will discuss machine tools, cutting fluids, fixtures,and toolholders.  Anyone who’s stood in front of a lathe or machining center for any length of time knows titanium is a real bear to cut. It has several properties that make it an excellent choice for aerospace and medical components, but these same attributes may cause rapid wear for tools and nervous breakdowns for machine operators.… Read More »Titanium machining tips

Mini Mills

Nineteen minutes into the second period and the University of Ottawa’s womn’s hockey team, the Gee-Gees, trails by one. Out of nowhere, the Montreal Carabins’ left wing bruiser Helga Lefèvre smashes Gee-Gees centre Holly McDuff into the boards, fracturing her cheekbone and leaving a ragged gash above Holly’s hairline. Blood turns the blue line red, but the crowd roars as the intrepid junior shrugs off the pain; she pulls a third period hat-trick and leads the team to victory. At the hospital, the doctor repairs Holly’s cheek with a tiny metal plate, then uses staples to reattach the flap of skin to her forehead. Because he’s worried about an infection,… Read More »Mini Mills