The new Airbus 380 may be the largest aircraft ever to be built, yet SKF engineers had devilishly tight constraints under which to design the bearing assembly for the horizontal tail stabilizer (HTP). The primary function of the HTP is to balance all the moments caused by the various aerodynamic and inertia forces and to provide a stable angle of incidence. A secondary function is to control the pitch of the aircraft. SKF engineers designed the failsafe hinge and shaft assembly that connects the horizontal fuselage and stabilizer and is a critical part of the HTP. To meet the loading (high) and weight (low), they employed a new, high-strength steel and titanium shaft and a bi-metal, spherical plain bearing designed to support loads up to 3,800 kN. The bearing's bronze inner ring allows a double rotation path. The plane is expected to enter service in 2005.
The engineers and inventors of the post WWII period turned their attention to advancements in electronics, communication, and entertainment. Breakthrough inventions range from LEGOs and computer gaming to the integrated circuit and Ethernet -- a range of advancements that have little in common except they changed our lives.
The age of touch could soon come to an end. From smartphones and smartwatches, to home devices, to in-car infotainment systems, touch is no longer the primary user interface. Technology market leaders are driving a migration from touch to voice as a user interface.
Soft starter technology has become a way to mitigate startup stressors by moderating a motor’s voltage supply during the machine start-up phase, slowly ramping it up and effectively adjusting the machine’s load behavior to protect mechanical components.
A new report from the National Institute of Standards and Technology (NIST) makes a start on developing control schemes, process measurements, and modeling and simulation methods for powder bed fusion additive manufacturing.
If you’re developing a product with lots of sensors and no access to the power grid, then you’ll want to take note of a Design News Continuing Education Center class, “Designing Low Power Systems Using Battery and Energy Harvesting Energy Sources."
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.