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More than likely, your motion control need is to move something in a manufacturing or industrial setting. High-force electric linear actuators can manage extremely large loads and provide significant advantages over fluid power systems:<\/p>\n
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- Press applications in automotive and heavy manufacturing<\/strong>\u2014Pressing applications such as punching, piercing, riveting, clinching and stamping are unique in that they require high forces over a fairly short travel distance and low force over longer travel distance. In particular, electric press actuators can adjust speeds and forces for actual force throughout the motion profile instead of the constant force of a large hydraulic actuator. This gives more precise speed, position control and repeatability.<\/li>\n<\/ul>\n
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- Timber cutting and sawmilling<\/strong>\u2014Positioning large trees and logs for sawmill and cutting operations can require accurate positioning at extremely high forces. These applications really benefit from powerful electric linear actuators. This technology has also been used for planers, feed tables, blade position and fence guides.<\/li>\n<\/ul>\n
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- Injection molding and volumetric piston filling<\/strong>\u2014These applications require high-force push and pull, and the same force throughout the whole stroke. Electromechanical linear actuators provide superior pressure, speed and position accuracy over the entire stroke length.<\/li>\n<\/ul>\n
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- Motion simulation<\/strong>\u2014 Electric linear actuators provide numerous benefits over hydraulic actuators in flight simulator applications including higher energy efficiency, higher uptime and reduced infrastructure. For example, electric linear actuators eliminate the trenches required for hydraulic lines, hydraulic power rooms and temperature controls for hydraulic fluid. Electric linear actuators are also more environmentally friendly since they eliminate the possibility of oil leaks, spills and the need to periodically dispose of used hydraulic fluids. High-force electric linear actuators are now able to provide the force levels, smoothness and dynamic response required for the most demanding flight simulator applications.<\/li>\n<\/ul>\n
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- Metal-forming and tube bending<\/strong>\u2014Tube-bending machines require high-performance linear motion control to achieve the necessary accuracy and repeatability. High-force electric linear actuators help machine builders achieve these goals. Engineers can more precisely control bending-machine operations like tube transportation, carriage movement, mandrel rotation and workpiece clamping with greater accuracy than fluid power systems. Plus, programmable motion control allows machine operators to select recipes for different tube sizes and bending patterns, reducing set up time for different product requirements.<\/li>\n<\/ul>\n
Five reasons to consider high-force mechanical-electric systems<\/h2>\n
Yes, hydraulic power has been the go-to answer for heavy lifting. Hydraulics are rugged, relatively simple to deploy and provide a low cost per unit of force. These days, industrial cylinders typically include bore sizes from one to eight inches, with pressure ranges in the 2200 psi range, which is 1700 to 110,000 pounds or 55 tons of force. Big indeed.<\/p>\n
But electromechanical actuators have overtaken hydraulics in terms of flexibility, precision and reliability. And they now have expanded force capacities.<\/p>\n
Here are five advantages of a high-force electric linear motion system:<\/p>\n
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- Maintenance.<\/strong> Manufacturing operators have been using hydraulics for a long time. They lose sight of the maintenance costs due to scrap rate and lost productivity. When you look at how fluid power systems impact the manufacturing environment, it\u2019s a matter of when, not if, hydraulic hoses will leak or break, or parts get scrapped out. These inconsistencies cause lost productivity and create more maintenance.<\/li>\n<\/ul>\n
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- Total cost of ownership.<\/strong> Consider the iceberg principle. Overall, the initial cost of a hydraulic system may be low. But under the surface, operating costs add up: Disposal costs, installation, maintenance. A lot goes into operating a hydraulic system outside of the purchase price.<\/li>\n<\/ul>\n
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- Total cost of ownership.<\/strong> Consider the iceberg principle. Overall, the initial cost of a hydraulic system may be low. But under the surface, operating costs add up: Disposal costs, installation, maintenance. A lot goes into operating a hydraulic system outside of the purchase price.<\/li>\n<\/ul>\n
- Maintenance.<\/strong> Manufacturing operators have been using hydraulics for a long time. They lose sight of the maintenance costs due to scrap rate and lost productivity. When you look at how fluid power systems impact the manufacturing environment, it\u2019s a matter of when, not if, hydraulic hoses will leak or break, or parts get scrapped out. These inconsistencies cause lost productivity and create more maintenance.<\/li>\n<\/ul>\n
- Metal-forming and tube bending<\/strong>\u2014Tube-bending machines require high-performance linear motion control to achieve the necessary accuracy and repeatability. High-force electric linear actuators help machine builders achieve these goals. Engineers can more precisely control bending-machine operations like tube transportation, carriage movement, mandrel rotation and workpiece clamping with greater accuracy than fluid power systems. Plus, programmable motion control allows machine operators to select recipes for different tube sizes and bending patterns, reducing set up time for different product requirements.<\/li>\n<\/ul>\n
- Motion simulation<\/strong>\u2014 Electric linear actuators provide numerous benefits over hydraulic actuators in flight simulator applications including higher energy efficiency, higher uptime and reduced infrastructure. For example, electric linear actuators eliminate the trenches required for hydraulic lines, hydraulic power rooms and temperature controls for hydraulic fluid. Electric linear actuators are also more environmentally friendly since they eliminate the possibility of oil leaks, spills and the need to periodically dispose of used hydraulic fluids. High-force electric linear actuators are now able to provide the force levels, smoothness and dynamic response required for the most demanding flight simulator applications.<\/li>\n<\/ul>\n
- Injection molding and volumetric piston filling<\/strong>\u2014These applications require high-force push and pull, and the same force throughout the whole stroke. Electromechanical linear actuators provide superior pressure, speed and position accuracy over the entire stroke length.<\/li>\n<\/ul>\n
- Timber cutting and sawmilling<\/strong>\u2014Positioning large trees and logs for sawmill and cutting operations can require accurate positioning at extremely high forces. These applications really benefit from powerful electric linear actuators. This technology has also been used for planers, feed tables, blade position and fence guides.<\/li>\n<\/ul>\n