Selected articles from the December 2009 issue available online:

Sheet Metal Stamping 101, Part V

December 15, 2009

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How are bending, flanging, coining, embossing, stretching, curling, hemming, ironing, necking, and drawing related? They all are common metal forming operations. Find out more about these processes in this final installment of stamping expert Art Hedrick's sheet metal stamping series.

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Traction drive system

Newer linear-drive technology improves waterjet accuracy, reduces costs

December 15, 2009

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Recent developments in linear-drive technology are designed to improve waterjet cutting accuracy and safety, while making high-precision machines more affordable. Find out more about this traction-drive system that has its roots in railroad locomotives.

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