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Top Tech Tip: How do you 3D print STL files?

Learn the basics of 3D printing STL files -- the files that serve as the digital foundation for 3D printing -- and a whole lot more from the experts at Xometry. These files have advantages, of course, but did you know they have disadvantages too? Also learn about STL tools and programs, and how to reduce file size or even repair a file you are having trouble with.
Read the Xometry article.

When metals can't survive: Machined ceramics as an alternative

Technical Ceramics are so hard and wear resistant that they cannot be machined with conventional tools -- but they can outlast and outperform other materials in demanding or harsh applications. INSACO's proprietary diamond grinding process and specialized techniques developed over many decades allow the company to produce and document parts to exacting specifications consistently. Learn all about the alternatives you have when metals just can't take it.
Read the INSACO article.

Radio Flyer cuts ebike prototype time radically with Fuse X1 large-format SLS 3D printer

Radio Flyer cut prototype lead times for its Flyer Loop cargo ebike frame from two months to two days using Formlabs' new Fuse X1 SLS large-format 3D printer. "We can now print an entire Flyer Loop cargo ebike overnight and be gluing it together the next day," said Agostino LoBello, product development engineer at Radio Flyer. "I can iterate three times as often with nine times less labor." The Fuse X1 delivers production-quality parts with 50% lower costs and triple the throughput of comparable industrial systems, featuring automated powder handling and a compact, easy-to-install design. [Credit: Image courtesy of Formlabs]
View the video.

Compact industrial sand 3D printer

ExOne has launched the S-Print Pro, a compact industrial sand 3D printer that brings production-grade binder jetting to smaller foundries, pattern shops, and print service providers. Aimed at businesses competing on cost and flexibility, it handles low-volume casting, spare parts, and custom components. The system processes furan binder with silica sand, CeraBeads, or silicon carbide.
Learn more about this capable machine.

Engineer's Toolbox: How to pin a shaft and hub assembly properly

One of the primary benefits of using a coiled spring pin to affix a hub or gear to a shaft is the coiled pin's ability to prevent hole damage. Another is the coiled pin absorbs wider hole tolerances than any other press-fit pin. This translates to lower total manufacturing costs of the assembly. However, there are a few design guidelines that must be adhered to in order to achieve the maximum strength of the pinned system and prevent damage to the assembly.
Read this very informative SPIROL article.

Get reliable labeling done right

Videojet Technologies has released the Videojet 9310 label applicator, designed to simplify everyday labeling on rigid and flexible packaging. Using Intelligent Motion technology, it digitally controls label tension and alignment to ensure consistent placement with minimal manual adjustments. The system features a simple label path, an intuitive touchscreen, and flexible mounting options to reduce downtime and keep production moving.
Learn more.

Your phone is now your smartest hydraulic tool

Commissioning a proportional valve traditionally requires cables, laptops, and complex software. The new Bosch Rexroth 4WRAE valve changes that. Featuring integrated digital electronics and Bluetooth connectivity, it pairs with the "easy2connect" app. Technicians can now visualize performance, adjust settings, diagnose errors, and force solenoids directly from their phones, simplifying setup for IO-Link or analog systems.
Learn more.

A new take on indexing plungers

JW Winco has expanded its extensive standard parts range with the GN 823 indexing plunger. Featuring an intuitive operating lever, it allows easy activation with a single finger, even when wearing gloves or out of sight. Available in screw-on or weldable stainless steel variants, this robust component suits both delicate installations and heavy-duty industrial applications. Available in two installation options: screw fastening or welding.
Learn more.

Fast-cure composite for aero and defense manufacturing

Toray Composite Materials America has launched 3960-FC, a fast-cure variant of its high-performance 3960 prepreg system for mission-critical aerospace and defense applications. This material reduces cure time by up to 45% while maintaining proven mechanical performance, stiffness, and exceptional toughness. It is highly compatible with automated manufacturing technologies like AFP and ATL, as well as traditional processing methods.
Learn more.

Best high-speed rotary bearing in THK history

THK's High-Speed, Double-Row Angular Contact Ring BWH is the fastest rotary bearing in company history. By utilizing balls inside a cage instead of rollers, this new structure achieves unprecedented speeds. It supports loads from all directions while matching the high rigidity and rotational accuracy of standard cross-roller ring design options.
Learn more.

100,000 hours: KNF diaphragm pump achieves exceptional lifetime

Reaching 100,000 hours of uninterrupted performance is a remarkable achievement for micro diaphragm gas pumps. It represents more than 11 years of continuous operation in a controlled environment, exceeding the demands of most real-world applications. This milestone highlights KNF's engineering expertise and the reliability built into every pump.
Get a closer look at the 100,000-hour lifetime test.

Metal finishing: With rising carbide prices, when cermet makes sense

As critical raw material access tightens, manufacturers are rethinking cutting tool usage. While essential, carbide is often unnecessary for finishing processes. Cermet -- a ceramic-metal composite -- offers an excellent alternative, delivering exceptional fracture and wear resistance for these specific machining stages.
Read the full article.

Crossed roller bearings for complex loads

Designed with a large contact area where the rollers meet the raceway surfaces, crossed roller bearings (CRBs) from IKO exhibit exceptional rotational accuracy with less deflection under load. Many mechanical designs can benefit from the rigidity, accuracy, speed, and compact size that IKO CRBs provide, and they come in a wide choice of sizes and constructions to fit various rotating mechanisms. Machine tools, industrial robots, and medical equipment are only a few of many applications.
See all your options, including slim and super slim models, from IKO.

Full-color 3D-printing Design Guide from Xometry

With Xometry's PolyJet 3D-printing service, you can order full-color 3D prints easily. Their no-cost design guide will help you learn about different aspects of 3D printing colorful parts, how to create and add color to your models, and best practices to keep in mind when printing in full color. Learn how to take full advantage of the 600,000 unique colors available in this flexible additive process.
Get the Xometry guide.

What's new in hyperMILL 2026?

OPEN MIND Technologies has announced a wide range of new and enhanced capabilities in its hyperMILL 2026 CAD/CAM Software Suite that save time and increase accuracy. For precise and efficient 2.5D, 3D, precision 5-axis, and mill/turn machining, hyperMILL offers users exceptionally productive programming and powerful machining strategies. Check out all the new features.
Learn more.

Northrop Grumman, U.S. Navy catapult unmanned X-47B from carrier into history books

Northrop Grumman Corp. and the U.S. Navy launched a new chapter in the history of unmanned systems -- carrier-capable unmanned aircraft -- by successfully catapulting the X-47B Unmanned Combat Air System (UCAS) demonstrator from the deck of the USS George H.W. Bush (CVN-77) on May 14, 2013.

An X-47B Unmanned Combat Air System (UCAS) demonstrator launches from the aircraft carrier USS George H.W. Bush. [Image courtesy: Northrop Grumman]

 

 

The launch occurred at 11:18 a.m. Eastern time while the carrier was underway off the coast of Virginia. The tailless, strike-fighter-size aircraft, which features a 62-ft wingspan, flew autonomously back to Naval Air Station Patuxent River in Maryland, where it landed safely 65 minutes later.

The catapult test "proves that the Navy's goal of operating unmanned systems safely and effectively from aircraft carriers is well on its way to becoming a reality," said Capt. Jaime Engdahl, Navy UCAS program manager for the Naval Air Systems Command.

Northrop Grumman is the Navy's prime contractor for the UCAS Carrier Demonstration (UCAS-D) program. The company designed, produced, and is currently flight testing two X-47B air vehicles for the program. Air Vehicle 2 completed the catapult shot.

"Catapulting the unmanned X-47B off the USS George H.W. Bush is an event as historic as the Navy's first catapult of a manned aircraft, which occurred in Nov. 1915 from the armored cruiser USS North Carolina (ACR-12)," said Carl Johnson, vice president and Navy UCAS program manager for Northrop Grumman. "We are delighted to help launch this new era of naval capability."

Sailors move an X-47B Unmanned Combat Air System (UCAS) demonstrator onto an aircraft elevator aboard the aircraft carrier USS George H.W. Bush. [Image courtesy: Northrop Grumman]

 

 

 

 

"The X-47B air vehicle performs exactly as predicted by the modeling, simulation, and surrogate testing we did early in the UCAS-D program," Johnson added. "It takes off, flies, and lands within a few feet of its predicted path."

The current at-sea period is the second such test period for the UCAS-D program. In December 2012, the program hoisted an X-47B aircraft aboard the USS Harry S. Truman (CVN-75), then demonstrated that the aircraft could be maneuvered safely and precisely on the ship's flight deck, in its elevators, and in its hangar bay.

In preparation for the launch, the UCAS-D program successfully completed a series of shore-based catapult shots at Naval Air Station Patuxent River between November and March. The air vehicle was transported by barge from Patuxent River to Naval Air Station Norfolk in early May, then hoisted aboard the ship.

Northrop Grumman's UCAS-D industry team includes Pratt & Whitney, GKN Aerospace, Eaton, GE Aviation, UTC Aerospace Systems, Dell, Honeywell, Moog, Lockheed Martin, Wind River, Parker Aerospace, and Rockwell Collins.

Source: Northrop Grumman

Published May 2013

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