The Hydraulic Institute (HI) has recently added two new standards to its ANSI/HI Pump Standards. The first is the American National Standards for Air-Operated Pumps. This standard applies to air-operated pumps driven by a compressed gas (usually air) from an outside source and includes sections such as types, configurations, and nomenclature; definitions, design and application; and installation, operation, and maintenance. The second standard, the Air-Operated Pump Test Standard, applies to testing air-operated diaphragm and bellows pumps. It records test results and offers a uniform procedure for mechanical and other pump performance tests. For more information visit www.pumps.org.
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.
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