Kimberly R. Pontius is a regular contributor to CUTTING TOOL ENGINEERING and an executive directorat Ivy Tech State College, Region 3, Fort Wayne, Indiana.
The use of PCD-veined drills on difficult-to-machine materials has expanded beyond their initial applications in the aerospace and electronics sectors.
Metalworking companies have a "cradle-to-grave" responsibility for the fluids they use. Improper disposal can lead to costly fines. Article discusses the ramifications of improper disposal and how to develop a plan to constantly improve the condition of a shop's metalworking fluid.
High-silicon aluminum--aluminum that consists of at least 11.8 percent silicon--has qualities such as lightness and strength that appeal to automakers. The abrasives nature of the material, however, makes it difficult to machine. The author offers suggestions for milling, tapping, drilling, turning and grinding high-silicon aluminum.