Peter Zelinski

Peter Zelinski Editorial Director

CAD/CAM

Hard Milling Isn’t Just High Speed Machining

Milling complex forms in hardened tool steel involves more than just fast, light cuts, says this maker of medical-related injection molds. Here are some of the ingredients of an effective hard milling process.

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CAD/CAM

Another Angle On HSM

The savings in setup time were welcome enough, but this mold maker found that a 3+2 machining center also accelerated its use of high speed machining.

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Five-Axis

The Progress of a Progressive Die Maker

This shop sees no long-term threat in the reality of lower prices. Machine tool investments related to various die components allow the shop to use skilled labor more efficiently.

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Re-Shoring Fair—May 12

OEMs once committed to offshore production continue to rethink that commitment, says the Wall Street Journal.

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Turn-Mill? How About Just “Mill”!

In a strange way, one of the most limiting features of a multitasking, or turn-mill, machine is the presence of the turning capability.

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Machining Centers or Transfer Machines for High Volume Work?

Few would consider a machining center to be an overly “dedicated” piece of equipment.

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A Weird Way to Mill

Plunge roughing isn’t used as often as it should be.

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Consider Tool Capacity on Your HMC

Quick-change workholding made it plain that additional setup time savings would require a larger tool magazine.

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When Spindle Speed is a Constraint

Though it won’t replace high speed machining, Boeing sees “low speed machining” as a viable supplement to higher-rpm machines. Using new tools and techniques, a shop’s lower-rpm machining centers can realize much more of their potential productivity in milling aluminum aircraft parts.

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Aerospace

Video: Plunge Roughing in Aluminum

Even in aluminum, plunge roughing can be an effective way to realize high productivity.

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Milling Tools

Video: High Feed Milling in Aluminum

Footage shows roughing at 48 cubic inch per minute on a standard-speed machining center.

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Citric Acid Safeguards Stainless Steel

This rendering shows a large passivation line.

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