Peter Zelinski

Peter Zelinski Editorial Director

A Surplus Of Rationalization

Remember when "envy" used to be a bad thing? This goes way back. but it may surprise you to learn that envy was once taken so seriously, it was listed as one of the Seven Deadly Sins.

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CAD/CAM

Plunge Roughing Right Now

This mold shop makes plunge roughing work using the kind of machine and the kind of tooling it’s been using all along. In other words, this shop achieved a faster metal removal rate just by changing direction.

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Die/Mold

Where Dry Milling Makes Sense

Liquid coolant offers advantages unrelated to temperature. Forced air is the fluid of choice in this shop...but even so, conventional coolant can't be eliminated entirely.

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Big Picture (TV And Otherwise)

Back when the average person wasn't guaranteed enough to eat, to be visibly well-fed was a sign of wealth. We still tend to think of "fat" and "wealthy" as synonyms, in fact.

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Air-Powered High Speed Spindle

Two different designs for this spindle allow it to be mounted on a lathe's turret or slide (like an add-on live-tool spindle) or mounted in a machining center's toolholder. In either case, the spindle is capable of 30,000 rpm. When driven by an 80-psig shop air supply, the spindle can deliver 75 W of cutting power.

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An Odyssey Right Here

Next year will be 2001. That year also appears in the title of a famous movie.

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Keep Your People Producing

As you look at any of the machine tools on display at IMTS, you may ask yourself, Does my shop have the work it will take to keep this machine cutting? Don't answer yet. Instead, pause to consider whether that's the right question.

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Die/Mold

EDM vs. Milling In Die/Mold Machining

In many die and mold shops, the choice between ram EDM and CNC milling is far less clear than it used to be. Changing technology is changing the rules.

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Production Without Paper

Giving operators electronic access to job information was the first step. Letting operators electronically refine that information came next.

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What The Machine Tool Means

All of our "careers" result from some combination of aspiration and accident. The aspiration part, for me, was to make my living as a writer.

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CAD/CAM

CNC Hole Making Without A Programmer

With NC programs created automatically, this shop goes straight from the designer to the machine tool.

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Cutting The Cost Of Custom Machines

There is a gap between the price of one of this builder's custom machines and the maximum price that even many large contract shops can afford to pay for capital equipment. But that gap is getting smaller.

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Come See Tsugami America at IMTS | Booth 339410
Mastercam
One-Touch Clamps. No Tools Needed.
Horn USA
CoroMill Plura Ballnose
Methods
Schunk
SGS H-Carb
SGS H-Carb