Aerospace

When Spindle Speed is a Constraint
Aerospace

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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Video: Plunge Roughing in Aluminum
Milling Tools

Video: Plunge Roughing in Aluminum

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

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Video: High Feed Milling in Aluminum
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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Pinch Milling from Top to Bottom
Aerospace

Pinch Milling from Top to Bottom

A multitasking (turnmill) machine that can mill a workpiece top and bottom at the same time has advantages for long, slender workpieces such as turbine blades, propellers and aerospace structural components. Includes video.

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Passivation of Stainless Steel Parts: The Recipe for Success
Parts Cleaning

Passivation of Stainless Steel Parts: The Recipe for Success

Passivation—the process for making stainless steel parts more corrosion-resistant—is affected by how well the part is cleaned. It’s also affected by the choice of acid. Nitric or citric?

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More Efficient Turbine Blade Milling
Aerospace

More Efficient Turbine Blade Milling

Video shows a multitasking machine milling a turbine blade in a cycle that few machining centers could replicate.

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Video: High Speed Milling—900 ipm
Five-Axis

Video: High Speed Milling—900 ipm

Demonstation illustrates the kind of metal removal rate that is possible in aluminum at dynamically stable speeds.

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High Speed Machining's Origin Moment
High-Speed Machining

High Speed Machining's Origin Moment

An important episode for high speed machining illustrates one of the most underappreciated aspects of the value of manufacturing.

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Dial Down or Dial Up?
Aerospace

Dial Down or Dial Up?

Vibration analysis may be the machining center’s missing piece. If you haven’t performed this analysis on your high speed machine, you probably don’t know what the machine can do.

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The Promise of "High Cube" Machining
CAD/CAM

The Promise of "High Cube" Machining

Tool paths and a new tool design provide an alternative to high speed machining for achieving high metal removal rates in hard metals on lighter-duty machines.

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