Drilling & Boring

In 2008, Heinz Kaiser AG celebrated its 60th anniversary, a year that also marked a change in the ownership of the company. On Jan. 1, 2008, Chris Kaiser, Karlheinz Kaiser and Gabriela Brasher-Kaiser assumed ownership of the company from their father, Heinz Kaiser, who founded Kaiser AG in 1948.

Computer-aided error detection and prevention routines for CAM programs not only help prevent disaster—they improve machine efficiency too.

January 2009 Shop Operations column

Carbide drill with unique design reportedly minimizes walking while extending tool life.

Reliably drilling high-quality holes in ductile cast iron requires understanding the material's structure, avoiding problems such as core shifting, keeping machining temperatures down and other considerations.

When single-point boring, parts manufacturers can break and control the long chips from low-carbon steels by taking into account setup, cutting parameters, nose radii and insert shape and sharpness.

Using mini and micro boring bars effectively in Swiss-style machines requires machine shops to know the types of available bars and the ways to strengthen their cutting edges, reduce pressures on the tools and position them for the most efficient cutting.

Strategies and tools for enlarging holes.

Tool material and other requirements for effective drilling of composites.

Ways to best apply indexable-insert boring bars for small holes.

Making microholes with a chemical process called photoetching.

Options for and considerations when micro-holemaking.