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Guide to overmolding best practices Overmolding is a great injection molded feature you can utilize in your design to capture color contrasts, add flexibility or eliminate assembly. Take advantage of this feature by learning how to design your part for overmolding. You'll learn:
Get the Xcentric overmolding guide (no registration required).
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In this issue of Designfax |
News |
Cover Image: Nelson Publishing
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Shape-shifting origami could help antenna systems adapt on the fly Naval Research Lab demonstrates new nonmechanical laser steering tech It's all about the MEMS: Why mini Bosch components will feature in so many gifts this season A look back: Four U.S. military events that happened on Christmas |
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30-Second Quotes for Plastic Injection Molding ICOMold offers the only instant quotations in the plastic injection molding industry. Simply upload your CAD models, specify your plastic material, quantity and other options, and within 30 seconds you will get your mold cost and piece price. The online quote system is also interactive -- you can change your options and see your new price instantly.
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| Featured Articles |
| DOD scaling up hypersonics development | |
"In the last year, China has tested more hypersonics weapons than we have in a decade," said Michael Griffin, undersecretary of defense for research and engineering, at a National Defense Industrial Association-sponsored meeting Dec. 14. "We've got to fix that." Russia also is involved in "game-changer" hypersonics.
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Universal Robots celebrates 10 years of selling world's first commercially viable collaborative robot For his pioneering role in developing collaborative robots (cobots), Universal Robots' co-founder and CTO, Esben Ostergaard, was awarded the Engelberger Award, the "Nobel Prize" of robotics, earlier this year. He still remembers the early days in 2008 when the small UR team delivered the first UR5s in Denmark and Germany. Cobots are now the fastest-growing segment of industrial automation, expected to jump tenfold to 34 percent of all industrial robot sales by 2025.
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Engineers make smallest 3D transistor yet Using a new manufacturing technique, MIT researchers fabricated a 3D transistor less than half the width of today's slimmest commercial models, which could help cram far more transistors onto a single computer chip.
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Download 'Engineering Thin Medical Parts Through Photo Etching' Design Brief This Tech-Etch Design Brief explains the photo etching process, as well as dimensions and thickness tolerances, heat treatment, forming and minimum bend radii for materials. Specialty materials used in medical implants and implantable devices include Nitinol for stents, Titanium for reconstruction plates, Elgiloy for stiffener bands, Tungsten for battery grids and ID tags, and Polyimide to produce haptics for intraocular lens implants. Download photo etching medical parts Design Brief (no registration). Learn more about photo etching.
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EVs: Rivian debuts world-first all-electric pickup -- space and power galore Rivian, a new-kid-on-the-block electric vehicle manufacturer, introduced its R1T, an all-electric, five-passenger pickup at the LA Auto Show at the beginning of this month. Featuring a tailored and restrained design, the truck boasts a range of up to 400+ miles, quad-motor AWD that does 0 to 60 mph in 3 sec (wow!), and a totally unique skateboard platform with lots of storage.
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Chairless exoskeleton solves long-standing problem The Chairless Chair is a new innovation for relieving strain and fatigue from excessive standing during long work shifts. The entire construct is lightweight, easy to put on, and hardly noticeable when walking. Operating a switch on the strap turns the flexible construct into a stable seat. Two small FAULHABER DC motors activate a stop valve in the hydraulic elements of the shock absorbers, locking the support into the seated position.
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Off-road: Honda enters sport side-by-side ATV market So many fun vehicles to get through before the end of the year, and so little time, so here's a bonus. Honda has just unveiled its Talon 1000X and Talon 1000R off-road sport side-by-side ATVs. The line is a new category entry for the brand known for high-performance dirt bikes like its CR and CRF lineups and its high-grade Pioneer family of work/play side-by-sides. The Talon line is an attempt to marry the two.
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Top Tech Tip: Noisy Bearing?? Single-turn wave springs are ideal for bearing preload. The spring preloads the bearing through its outer race, taking up play in the bearing. This reduces bearing damage, wear, noise, and vibration. Smalley has stock parts from .188" to 16". Customs are available from .157" to 120".
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| Cool Tools: Create amazing, lit 3D visuals -- fast | |
As more companies rely on 3D visualization to make real-time design decisions, KeyShot continues to bring advanced CG solutions to designers and engineers. KeyShot 8 brings real-time speed in the most easy-to-use interface designed for an efficient workflow, with the most accurate materials and advanced lighting capabilities. By providing users with results faster than any software available, KeyShot has become the visualization software designers, engineers, marketing specialists, and 3D artists trust to fit seamlessly into their workflow. Users include many of the Fortune 1000 product manufacturers and major industrial design companies, including NASA, SpaceX, Google, Microsoft, Samsung, Caterpillar, Under Armour, and more.
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THK introduces low-inertia ball screw/spline BNS-V Featuring an exceptionally compact and lightweight structure, THK's latest Ball Screw/Spline BNS-V enables quick starts and stops during high-speed operation. The low-inertia BNS-V is a stroke/rotary unit with ball screw grooves and a ball spline groove that cross one another on a single shaft. The nuts of the ball screw and the ball spline have dedicated support bearings directly embedded on the circumference of the nuts. Advantages include a highly rigid shaft support, an angular-contact structure for highly accurate positioning, and smooth motion with low noise. The BNS-V is a downsized version of THK's popular Ball Screw/Spline BNS-A.
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Super car brake-cooling simulation with CAD-embedded CFD Brake cooling is a crucial area in motorsport and sports car engineering. A recent thesis project by Arne Lindgren of Halmstad University in Sweden considered different cooling solutions for the extreme conditions of super cars. The project, conducted for super car manufacturer Koenigsegg Automotive AB, had the objective to design an efficient brake cooling solution for their latest model, the Regera. Lindgren used FloEFD simulation software from Mentor Graphics.
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Miniature ICP teardrop accelerometer PCB Piezotronics has released its smallest ICP teardrop accelerometer with a Transducer Electronic Data Sheet (TEDS) -- Model 352A59. This single-axis accelerometer was developed to minimize the effects of mass loading on small devices with an integral M3 connector and removable cable that can be easily routed within devices. The 352A59 provides outstanding results during vibration testing of small structures. The adhesive mounting and TEDS contribute to a quick, error-proof setup. Suggested applications include satellite and aircraft structures, military and consumer electronics, and general product validation.
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| Most Popular |
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Retro-inspired new Porsche 911 is a slick and sleek update The 8th generation of the Porsche 911 features a design language that pulls from the past to create something powerfully new in the form of the Carrera S and Carrera 4S models. While the front and the dash feature elements that are clear nods to much earlier models, the rear and the next-gen flat-six turbocharged engine tech -- which provides 443 hp, an improvement of almost 25 hp from the current model -- are clearly modern updates.
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4,300 degrees F! 'Sun in a box' could store renewable energy MIT engineers have come up with a conceptual design for a system to store renewable energy, such as solar and wind power, and deliver that energy back into an electric grid on demand. The new design stores heat generated by excess electricity from solar or wind power in large tanks of white-hot molten silicon, and then converts the light from the glowing metal back into electricity when it's needed.
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New electrical bandage promotes powerful healing -- and it's powered by the wearer's body motions A new, low-cost wound dressing developed by University of Wisconsin-Madison engineers could dramatically speed up healing in a surprising way.
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| Videos+: Technologies and inspiration in action |
| Minimize mechanical misalignments, improve efficiency | |
C-Flex Couplings combine the best qualities of disc, beam, and bellows couplings in a unique and economical new design. Made to couple two rotating shafts together, these couplings can accommodate large misalignments while transmitting high torque loads with zero backlash. Benefits include lower energy usage and less frequent bearing failure. Flexible pivot bearings and super plastic torsional damping couplings are also available.
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