Tooling & Workholding

Exploring the: Cutting Tools Zone

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Centerline Issues for Turning Inserts

Tooling experts Mike Fagan and David Grant suspect that many programmers and machinists could use a refresher on the importance and effects of insert alignment in turning operations. This short, amply-illustrated paper is their effort to clear up so...

Extreme Part-Off Demos at IMTS 2014

The strength of part-off tools is shown in demos whereby they part off a railroad rail and sledge hammer head. Talk about significant interrupted cuts…

Webinar: Increase Milling Output on Your Existing Machine

It is not always the strength of the tool or the power of the machine that limits your depth of cut. In many cases, the limitation is the tendency to vibrate. Learn how to mill more productively by selecting spindle speeds tailored to your machine’s...

In the Groove for 50 Years

It’s an American success story. In 1964, William and Hazel Kaiser founded a company to produce and market Thinbit, an innovative line of grooving tools. At first, the business operated out of the couple’s attic and garage. Fifty years later, the Kai...

Milling Hard-to-Machine Materials on a Micro Scale

The idea of a tool that effectively controls heat with a special grade of carbide, a new coating and internal channels that deliver cooling through ports in the shank where the milling flutes begin, is worth a look.

When to Waterjet, When to Mill

A composite parts manufacturer in Nebraska recently installed a combined five-axis waterjet/milling machine to position itself to win large-scale aerospace work it sees on the horizon.

VIDEO: Polygonal Turning

Here are links to two video samples of a cool process for turned parts that has the potential for considerable time and part cost reductions, versus milling operations, when producing radii.

Alter the Axial Depth

In difficult-to-machine metals, when a pocket or similar deep feature is milled in successively deeper Z-axis levels, oxidation and chemical reaction can affect the tool at the upper surface level of each cut. The solution: Change the axial depth of...

A New Formula for Metal Removal Rates in Turning

An expert on cutting tool theory and practice is proposing a new formula for calculating the metal removal rates in turning operations. This formula factors in the diameter of the workpiece to yield more accurate results and lead to better decisions...

Anatomy of a High-Feed Insert

These tools exploit chip thinning to enable efficient roughing at high feed rates and light cutting depths.

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