{"id":291,"date":"2023-05-29T14:41:46","date_gmt":"2023-05-29T06:41:46","guid":{"rendered":"https:\/\/electricalwire.wiki\/?p=291"},"modified":"2023-06-09T15:47:58","modified_gmt":"2023-06-09T07:47:58","slug":"advantages-and-disadvantages-of-linear-motors","status":"publish","type":"post","link":"https:\/\/electricalwire.wiki\/?p=291","title":{"rendered":"Advantages and disadvantages of linear motors"},"content":{"rendered":"\n

A linear motor can be treated as a variation in the structure of a rotary motor. It can be treated as a rotary motor that is cut along its radial direction and then evolves into a flat surface. Along with the rapid development of automation control technology systems and computer technology, all kinds of automatic system control of control accuracy standards are increasingly high, linear motor traditional type of rotary motor drive unit conversion mechanism, now far from the current system control standards.<\/p>\n\n\n\n

Linear motor compared with the traditional type of rotary motor has the following advantages:<\/p>\n\n\n\n

1, simple structure, small size, through the minimum number of accessories to achieve our linear drive, which is only a running accessories.<\/p>\n\n\n\n

2, simple detection and maintenance, taking into account the small number of accessories, running without mechanical equipment touching, therefore reducing the wear and tear of accessories, only little or no need to detect maintenance, longer service life. Linear motor and “rotary motor, ball screw” drive performance comparison table rotary motor + ball screw linear motor performance.<\/p>\n\n\n\n

3\u3001Running stroke is theoretically unlimited, its performance will not be affected by its stroke size.<\/p>\n\n\n\n

4, no mechanical equipment touching, power transmission in the air gap, in addition to linear motor guide no other friction.<\/p>\n\n\n\n

5\u3001High acceleration, up to 10KG.<\/p>\n\n\n\n

6, smooth running is considered without mechanical connections or converters, rather than linear guides or air bearings to support the target.<\/p>\n\n\n\n

7, It has a wide range of operating speed, from a few microns to a few meters per second, especially at high speed, which is one of its outstanding advantages.<\/p>\n\n\n\n

8, high accuracy and repeatability, considering the elimination of intermediate links affecting accuracy, the accuracy of the system depends on the specific position detection element, the appropriate feedback device can reach sub-micron level.<\/p>\n\n\n\n

Disadvantages of linear motors<\/a>:<\/p>\n\n\n\n

1, linear motor motor stiffness is extremely low, can not play a role in anti-vibration and damping. Machine tool in high-speed operation, easy to cause resonance of other parts of the machine.<\/p>\n\n\n\n

2, linear motor power consumption, especially in the case of high load, high acceleration, the motor load of the machine tool to the workshop power supply system to bring a large load.<\/p>\n\n\n\n

3, the fixed position at the bottom of the table linear motor is a highly efficient heated parts. The specific location of the installation is not conducive to natural heat dissipation and presents a great challenge to the machine’s constant temperature control.<\/p>\n\n\n\n

4\u3001This is not automatic locking. In order to better ensure safe operation, linear motor driven running axes, especially vertical running axes, must be attached to tighten the unit, increasing the complexity of the machine tool.<\/p>\n","protected":false},"excerpt":{"rendered":"

Linear motor and “rotary motor, ball screw” drive performance comparison table rotary motor + ball screw linear motor performance.<\/p>\n","protected":false},"author":1,"featured_media":292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[10,13],"class_list":["post-291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-wire-machine","tag-electrical-wire","tag-power-exhibition"],"yoast_head":"\nAdvantages and disadvantages of linear motors - Electrical cable & wire<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/electricalwire.wiki\/?p=291\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Advantages and disadvantages of linear motors - 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