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Articles August 1, 1998 Herb Smith

Flowing Together: General Industry Coverage

Tramp oils, which are machine lubricants and hydraulic fluids that find their way into the coolant, can seriously hinder the coolant's performance. This article discusses the properties and components of machine maintenance fluids that can ensure their easy separation and removal from the coolant.

Articles June 1, 1998 Melissa Kennedy

Grinding Research Pays Big Dividends

Grinding research has led to innovations in wheels and machines, which have expanded the range of applications grinding can be used for. This article highlights some of the research being conducted and the work that has made it to the shop floor. An accompanying article discusses CBN abrasives.

Articles June 1, 1998 Stephen A. Batzer

The Dry Cure for Coolant Ills

With safety and health precautions driving up the cost of using metalworking fluids, many shops are attempting to machine dry. This article looks at the reasons why a shop might want to eliminate coolants and the effects this decision will have on part quality and tool performance.

Articles June 1, 1998 Martin Eastman

All Together Now: General Industry Coverage

This article looks at the close partnership forged between a toolmaker and a machine tool manufacturer. The alliance requires the two to share detailed information about proposed products as well as the customers each is working with. Such cooperation has made it possible to develop several new products and processes.

Articles June 1, 1998 Austin Weber

Have You Checked Your Insurance Lately?

Business insurance represents a costly but necessary investment for any shop. This article presents the findings of a Cutting Tool Engineering survey of the liability insurance purchasing habits of readers. The article also offers some guidelines for insurance shopping.

Articles April 1, 1998 Martin Eastman

Balancing on the Fly: General Industry Coverage

With the introduction of high-speed milling, tool balancing has become increasingly important. This article describes a system that can balance tools while they are mounted in the machine tool's spindle and rotating.

Articles April 1, 1998 Christoph Zoller

From Presetting to Tool Management

This article explains how state-of-the-art tool presetting-and-measuring machines can reduce a shop's tool setup time while increasing precision. The article also describes how the additional functions of these high-end units can turn them into sophisticated tool-management systems.

Articles April 1, 1998 Bernard North

Tantalum and Niobium: Drilling Performance

Tantalum and Niobium are important components in the composition of carbide tools. They are also among the most expensive. This article explores how recent trends in metalcutting and tool usage will effect the supply of these two components.

Articles April 1, 1998 Christopher Wilkens

Wire EDM Filtration Comes of Age

Centralized mineral filtration for wire-EDM dielectric fluid can remove contaminants down to the 1-micron level and dispose of them in an environmentally responsible way. This article describes the mineral filtration process and compares it to the other common filtration methods.

Articles April 1, 1998 Steve Slate

Bonded Graphite Electrodes: General Industry Coverage

To produce graphic electrodes for EDMing large cavities, shops sometimes must machine the piece in smaller sections and bond them together. This article explains how to build and use a bonded graphite electrode so that a ridge at the electrode's bond line can be avoided.

Articles April 1, 1998 Dandridge Tomalin

Why Do EDM Wires Break?

Adequate flushing is needed to keep EDM wires from breaking. This article explains why wires break, and how dielectric fluid delivered with sufficient flow and pressure can prevent these failures from occurring even in less than ideal conditions.

Articles April 1, 1998 Ed Kwasnick

Diamond Tames Graphite’s Bite

Graphite electrodes are extremely difficult to machine because of the material's abrasiveness. This article explains why it takes an endmill with a CVD diamond coating and multiple flutes to cut graphite without wearing tool quickly.

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