Drilling & Boring

Articles • January 1, 2010

Why Shops Are Replacing Gundrills with Solid-Carbide Drills

A growing number of machine shops are switching from gundrills to solid-carbide drills for deep-hole applications.

Videos • July 15, 2009

Tip-Top Productivity

CTE's July cover story examines drills with interchangeable carbidetips, while the accompanying video shows how interchangeable-tip drills permit quick inspection and replacement.

Articles • July 1, 2009 • Bill Kennedy

Tip-Top Productivity

Drilling, milling, EDMing, laser cutting, trepanning, punching; there are almost as many ways to make holes as there are holes to be made. Drilling, the most common holemaking method, itself includes many tool material and configuration options.

Articles • May 1, 2009 • Alan Richter

True stories: Boring tools

Boring tools can do more than true holes — they can also help overcome r manufacturing obstacles.

Articles • April 1, 2009

60 years for Kaiser AG

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.

Articles • February 1, 2009 • Bill Kennedy

Fail-Safe CAM

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

Articles • January 1, 2009 • Frank Marlow, P.E.

Holemaking operations

January 2009 Shop Operations column

Articles • January 1, 2009 • Herbert Kauper

Walk On By

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

Articles • January 1, 2009 • Daniel McCann

Super Drills

Increasingly sophisticated drills enable shops to tackle nickel-based superalloys with ease.

Articles • July 1, 2008 • Alan Richter

Striving for Consistency

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.

Articles • May 1, 2008 • Bill Kennedy

Chips Happen

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.

Articles • April 1, 2008 • Dave Nelson

Small Bars, Big Results

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.