Technologies http://machinedesign.com/taxonomy/term/8221/more en Do Prosthetic Feet Need Feelings? http://machinedesign.com/medical/do-prosthetic-feet-need-feelings <div class="field-byline"> Stephen Mraz, Senior Editor </div> <div class="node-body article-body">Prosthetic lower limbs have been very successful at replicating the needed biomechanics to get users up and walking. Yet none of them give users any sense or feeling in their artificial limbs. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/medical/do-prosthetic-feet-need-feelings" target="_blank">read more</a></p> http://machinedesign.com/medical/do-prosthetic-feet-need-feelings#comments Technologies Medical Fri, 25 Jul 2014 19:08:00 +0000 39721 at http://machinedesign.com Technology Adds the Sense of Touch to Prosthetic Hands http://machinedesign.com/medical/technology-adds-sense-touch-prosthetic-hands <div class="field-byline"> Stephen Mraz, Senior Editor </div> <div class="node-body article-body">Biomedical researchers at the Veterans Administration are exploring options and developing techniques for directly stimulating nerves to let prosthetic users feel sensations in their artificial hands.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/medical/technology-adds-sense-touch-prosthetic-hands" target="_blank">read more</a></p> http://machinedesign.com/medical/technology-adds-sense-touch-prosthetic-hands#comments Technologies Medical Fri, 25 Jul 2014 18:47:00 +0000 39711 at http://machinedesign.com Linear Motor Free Piston Pumps http://machinedesign.com/motorsdrives/linear-motor-free-piston-pumps <div class="field-deck"> Sponsored by MEDO USA Inc. </div> <div class="node-body article-body"><p>What is the main difference between a piston pump and a diaphragm pump? What&#39;s the difference between linear motor pumps and conventional motor-driven pumps? Where are linear piston pumps used? What if the pressure exceeds the pump rated value?<br /> </p></div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/motorsdrives/linear-motor-free-piston-pumps" target="_blank">read more</a></p> http://machinedesign.com/motorsdrives/linear-motor-free-piston-pumps#comments Design FAQs Motors/Drives Pneumatics Fri, 25 Jul 2014 17:29:00 +0000 39701 at http://machinedesign.com How to Select and Size Hydraulic-Oil Coolers http://machinedesign.com/hydraulics/how-select-and-size-hydraulic-oil-coolers <div class="field-byline"> Floyd Engelking, Applications Engineer, Parker Hannifin Corp., Accumulator and Cooler Div. , Machesney Park, Ill. </div> <div class="field-deck"> Here's how to select and size hydraulic-oil coolers. (Print title: "Cool-Running Hydraulics) </div> <div class="node-body article-body">Heat kills hydraulic systems. That’s why hydraulic oil coolers are widely used in a diverse range of agricultural, mobile, manufacturing, and industrial settings. They remove excess heat generated by energy losses in a system, as well as that from external sources such as engines, furnaces, and even the surrounding environment.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/hydraulics/how-select-and-size-hydraulic-oil-coolers" target="_blank">read more</a></p> http://machinedesign.com/hydraulics/how-select-and-size-hydraulic-oil-coolers#comments Hydraulics Wed, 23 Jul 2014 20:31:00 +0000 39671 at http://machinedesign.com High data-rate Ethernet cables http://machinedesign.com/cables-connectors-enclosures/high-data-rate-ethernet-cables <div class="node-body article-body">With the need for higher data-rate capacity in the aerospace market, new lightweight, flexible, and routable Ethernet cables are bundled in a unique jacket material that provides the high speed and light weight necessary.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/cables-connectors-enclosures/high-data-rate-ethernet-cables" target="_blank">read more</a></p> http://machinedesign.com/cables-connectors-enclosures/high-data-rate-ethernet-cables#comments Products Cables, Connectors, Enclosures Wed, 23 Jul 2014 18:29:00 +0000 39601 at http://machinedesign.com High-torque synchronous drives http://machinedesign.com/motorsdrives/high-torque-synchronous-drives <div class="node-body article-body">The Dodge HT500 synchronous drive system offers high torque and low maintenance with less overhung load than V-belt drives. The HT500 belts offer longer life in wet/oily environments than their rubber counterparts.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/motorsdrives/high-torque-synchronous-drives" target="_blank">read more</a></p> http://machinedesign.com/motorsdrives/high-torque-synchronous-drives#comments Products Motors/Drives Wed, 23 Jul 2014 18:10:00 +0000 39571 at http://machinedesign.com Five Cost-Cutting Powder-Metal Part Designs http://machinedesign.com/metals/five-cost-cutting-powder-metal-part-designs <div class="field-deck"> Can’t decide between machining and 3D printing? Powder-metallurgy techniques might be your answer. </div> <div class="node-body article-body">Deciding between machining and 3D printing may point you to powder-metallurgy processes. Powder metal parts are complex so they cut weight, yet they can be produced in large quantities and have proven higher strength and quality over 3D-printed parts.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/metals/five-cost-cutting-powder-metal-part-designs" target="_blank">read more</a></p> http://machinedesign.com/metals/five-cost-cutting-powder-metal-part-designs#comments Automotive Medical Metals Wed, 23 Jul 2014 14:12:00 +0000 39461 at http://machinedesign.com Designing In-Hub Brushless Motors http://machinedesign.com/motorsdrives/designing-hub-brushless-motors <div class="field-byline"> Lowell Christensen, Founder, Vice President of Engineering, TruTech Specialty Motors, Plymouth, Minn. </div> <div class="field-deck"> Electric motors formatted to fit inside the wheel of a vehicle have their own special constraints that impact the design of propulsion systems. </div> <div class="node-body article-body">In-hub motors have been widely used in bicycles and scooters and are now expanding into small electric transport carts and small recreational vehicles.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/motorsdrives/designing-hub-brushless-motors" target="_blank">read more</a></p> http://machinedesign.com/motorsdrives/designing-hub-brushless-motors#comments Automotive Motors/Drives Tue, 22 Jul 2014 19:38:00 +0000 39441 at http://machinedesign.com Basics of Plastic Bearings: Why plastic bearings outperform metal http://machinedesign.com/bearings/basics-plastic-bearings-why-plastic-bearings-outperform-metal-0 <div class="field-deck"> Sponsored by igus </div> <div class="node-body article-body">Did you know that plastic bearings cost and weigh less than their metal counterparts? And that they often run longer in harsh environments and under adverse conditions?</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/bearings/basics-plastic-bearings-why-plastic-bearings-outperform-metal-0" target="_blank">read more</a></p> http://machinedesign.com/bearings/basics-plastic-bearings-why-plastic-bearings-outperform-metal-0#comments Basics of Design Bearings Fri, 18 Jul 2014 16:31:00 +0000 39351 at http://machinedesign.com Tee shirts finish in a flash, thanks to Exergen Corp. IR sensor http://machinedesign.com/sensors/tee-shirts-finish-flash-thanks-exergen-corp-ir-sensor <div class="node-body article-body">Customized infrared sensor lets flash-cure systems speed up production of screen-printed tee shirts. </div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/sensors/tee-shirts-finish-flash-thanks-exergen-corp-ir-sensor" target="_blank">read more</a></p> http://machinedesign.com/sensors/tee-shirts-finish-flash-thanks-exergen-corp-ir-sensor#comments Sensors Wed, 16 Jul 2014 20:40:00 +0000 39291 at http://machinedesign.com