The moving coil rides on a carriage connected to parallel precision linear bearing rails above the magnetic track. For example, the magnetic track and moving motor coil must be flat, parallel, and mounted with a particular air gap between them. Proper alignment of these parts is critical and requires significant design detail and assembly skill. The components of a linear motor design need to be machined and assembled with high precision and repeatable processes. Optional bellows to protect the magnet track, encoder, and linear rails from environmental contamination. Linear bearing rails that the carriage is guided on and connect to the base Nine major components comprise linear motor systems:Ī permanent magnetic track (normally neodymium magnets)Ī carriage that connects the motor coil to the load Engineers can now leverage the powerful benefits of modular linear motor technology into their machine designs in mere days, as opposed to months or even years. Turnkey modular linear motors can be easily bolted onto a system and are ready to run immediately, significantly reducing engineering time. Today, the new generation of modular linear motors has changed the game. They are found in metrology, precision cutting systems, semiconductor and electronics manufacturing equipment, wafer handling, lithography, vision inspection systems, medical equipment and devices, test systems, aerospace and defense, assembly line automation, printing and packaging applications, and many other applications that require high throughput and high-accuracy linear motion. This eliminates mechanical devices that convert rotary motion to linear, thus enhancing the system’s life, precision, speed, and overall performance.Īs the demand grows for increased productivity, higher product quality, rapid development time, and lower engineering costs, adopting linear motor technology is increasingly popular by leveraging modular linear motor designs. Instead, the linear force generated by the magnetic field of the motor coil is directly coupled to the load. A linear motor’s unique property is that the load is moved without mechanical power transmission components. Linear motors have redefined what’s possible in motion control with faster, more precise, and more reliable performance compared to traditional, rotary motor-driven linear actuators.
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