What's the most popular type of linear actuator? Pneumatic. That's according to a recent survey of Design News readers. Some 57% of the respondents reported that they specify, buy, or approve pneumatic linear actuators. Other top options: Lead-screw driven (48%), belt driven (42%), and hydraulic actuators (42%). What's the most important factor in selecting a particular type of linear actuator or positioning system? Number one answer: That the product meets performance requirements. Vendors take note that pricing was number five on the list.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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.