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Machining & Manufacturing

Better Injection Molding Through Bubbles
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Supercritical gases injected into a polymer melt facilitate molding while lowering process costs to boot.

Water-Jet Motion Tied to Precision Coupling

A machine built for precise, repeatable motion is only as good as its components. That idea was clear to Jet Edge Inc., St. Michael, Minn., when it designed a high-rail gantry water-jet

Burton Snowboards Brings the Best Designs to Market with the Help of 3D Printing

Design and manufacturing companies are faced with ever increasing competition. More innovative product designs and technology are essential to successfully compete in today’s market.

Water Jets Cut Machining Time, Cost

This is what the made-to-print division of Atlantic Fasteners, W. Springfield, Mass., found when a customer asked them to split a 12-in.-diameter pipe lengthwise

Digital Spindle Lets CNC Run Faster

A digital open-loop vector drive lets a three-axis vertical-machining center run at top speed without fear of a spindle fault. The Personal CNC or PCNC from Tormach LLC in Waunakee, Wis.

How to plastic-injection mold microscopic parts

The fundamental best practices of plastic design still apply for micromolding, just at a smaller scale.

Beyond Toys, Lead Paint, and China
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There’s little doubt that quality-control problems continue to plague China.

Scanning for Ideas: A Very Versatile Machining Center

The Tricept 9000 made by Loxin in Spain and sold in the U.S. by Hartwig, St. Louis (hartwiginc.com), can mill, drill, route, deburr and finish, install fasteners and rivets, and even friction-stir weld with the right tool, according to the manufacturer.

Pain, Swelling, and Rapid Prototypes

Ivivi Technologies uses rapid prototyping to develop noninvasive electrotherapeutic devices to treat pain and swelling by stimulating a patient’s anti-inflammatory response with Objet Geometries’ Eden350 3D printer

Good News for Guitarists — Automated Sander Finishes Frets Fast

Dual sanding belts and a swinging workholder on the machine are controlled by a combination of linear and rotary servomotor axes.

Solar Production Shifts Into High Gear

Solar makers see automation as a strategy for becoming more competitive with fossil fuels.  German solar maker Q-Cells AG has an interesting product.

New Products: Slide Tables

HTS and torsion-resistant SLW Models offer a choice of shaft, carriage and spindle materials. Other versions include HTS -/SLW-XY-tables, HTS -PL that are preloaded for better precision, and the lightweight HTS P featuring plastic carriage and end blocks.

Hexapod Fits in Your Palm

What is billed as the world’s smallest high-force hexapod six-axis micropositioner was recently developed by Physik Instrumente L.P., Auburn, Mass.

Good News for Guitarists — Automated Sander Finishes Frets Fast

A novel motion-control scheme on a custom woodworking sander has automated the precision finishing of fret boards for highquality guitars.

Secrets of Accurate Machining

Linear encoders keep their accuracy when things start to heat up.

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