July 2002 Issue

July 2002

Curvilinear Tool Paths For Pocket Machining
Cover Story

Curvilinear Tool Paths For Pocket Machining

Recognizing the limitations of traditional approaches to pocketing, mathematicians at The Boeing Company have developed a system for generating tool paths that are better suited to pocketing at high feed rates. The same tool paths have demonstrated their usefulness at lower feed rates as well.

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Features

Featured articles from the July 2002 issue of Modern Machine Shop

Rethinking Machine Tool Spindles

Rethinking Machine Tool Spindles

Through extensive research involving more than 4,000 individual tests, this company determined that unequal air pressure - caused by the location of ports around the circumference of a spindle's seals - creates adjacent zones of high and low pressure inside the seal.

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DNC With A Direction

DNC With A Direction

A small shopfloor network lays the groundwork for large-scale, low-cost DNC throughout a major manufacturing facility.

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Korea Shows It Can

Korea Shows It Can

Machine tool builders in Korea have been playing a catch-up game for the past decade. A review of current developments in machine tool technology indicates that Korea is rapidly pulling up with manufacturers in Japan, Europe and the United States. The products from Korea closely match their counterparts from other global suppliers in terms of capability and quality.

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Breaking The CAM Logjam
CAD/CAM

Breaking The CAM Logjam

A manufacturer of metal stampings bridges the gap between generations of hardware and software.

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