{"id":4352,"date":"2023-04-18T05:02:37","date_gmt":"2023-04-18T05:02:37","guid":{"rendered":"https:\/\/hsmagnet.com\/?p=4352"},"modified":"2025-09-05T05:57:37","modified_gmt":"2025-09-05T05:57:37","slug":"%e7%a3%81%e6%b0%97%e3%83%96%e3%83%ac%e3%83%bc%e3%82%ad%e3%82%af%e3%83%a9%e3%83%83%e3%83%81%e3%81%af%e3%81%a9%e3%81%ae%e3%82%88%e3%81%86%e3%81%ab%e5%8b%95%e4%bd%9c%e3%81%99%e3%82%8b%e3%81%8b","status":"publish","type":"post","link":"https:\/\/hsmagnet.com\/ja\/2023\/04\/18\/how-do-magnetic-brakes-clutches-operate\/","title":{"rendered":"\u78c1\u6c17\u30d6\u30ec\u30fc\u30ad\u3068\u30af\u30e9\u30c3\u30c1\u306e\u4ed5\u7d44\u307f\uff1a\u30d2\u30b9\u30c6\u30ea\u30b7\u30b9\u3068\u6e26\u96fb\u6d41\u6280\u8853\u306e\u30ac\u30a4\u30c9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Magnetic brakes and clutches are essential components in industrial systems, providing precise and reliable torque control. Unlike traditional friction-based systems, they operate without mechanical contact, offering exceptional durability and clean, maintenance-free operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So, how do they work? Let&#8217;s explore the two primary types:<\/p>\n\n\n\n<!--more-->\n\n\n<div class=\"root-eb-toc-ti8n6 wp-block-essential-blocks-table-of-contents\"><div class=\"eb-parent-wrapper eb-parent-eb-toc-ti8n6 \"><div class=\"eb-toc-container eb-toc-ti8n6  eb-toc-is-not-sticky eb-toc-not-collapsible eb-toc-initially-not-collapsed eb-toc-scrollToTop style-1 list-style-none\" data-scroll-top=\"false\" data-scroll-top-icon=\"fas fa-angle-up\" data-collapsible=\"false\" data-sticky-hide-mobile=\"false\" data-sticky=\"false\" data-scroll-target=\"scroll_to_toc\" data-copy-link=\"false\" data-editor-type=\"\" data-hide-desktop=\"false\" data-hide-tab=\"false\" data-hide-mobile=\"false\" data-itemcollapsed=\"false\" data-highlight-scroll=\"false\"><div class=\"eb-toc-header\"><h2 class=\"eb-toc-title\">Table of Contents<\/h2><\/div><div class=\"eb-toc-wrapper \" data-headers=\"[{&quot;level&quot;:2,&quot;content&quot;:&quot;Hysteresis Brakes and Clutches&quot;,&quot;text&quot;:&quot;Hysteresis Brakes and Clutches&quot;,&quot;link&quot;:&quot;hysteresis-brakes-and-clutches&quot;},{&quot;level&quot;:2,&quot;content&quot;:&quot;Eddy Current Brakes and Clutches&quot;,&quot;text&quot;:&quot;Eddy Current Brakes and Clutches&quot;,&quot;link&quot;:&quot;eddy-current-brakes-and-clutches&quot;},{&quot;level&quot;:2,&quot;content&quot;:&quot;Common Applications&quot;,&quot;text&quot;:&quot;Common Applications&quot;,&quot;link&quot;:&quot;common-applications&quot;}]\" data-visible=\"[true,true,true,true,true,true]\" data-delete-headers=\"[{&quot;label&quot;:&quot;Hysteresis Brakes and Clutches&quot;,&quot;value&quot;:&quot;hysteresis-brakes-and-clutches&quot;,&quot;isDelete&quot;:false},{&quot;label&quot;:&quot;Eddy Current Brakes and Clutches&quot;,&quot;value&quot;:&quot;eddy-current-brakes-and-clutches&quot;,&quot;isDelete&quot;:false},{&quot;label&quot;:&quot;Common Applications&quot;,&quot;value&quot;:&quot;common-applications&quot;,&quot;isDelete&quot;:false}]\" data-smooth=\"true\" data-top-offset=\"\"><div class=\"eb-toc__list-wrap\"><ul class=\"eb-toc__list\"><li><a href=\"#hysteresis-brakes-and-clutches\">Hysteresis Brakes and Clutches<\/a><li><a href=\"#eddy-current-brakes-and-clutches\">Eddy Current Brakes and Clutches<\/a><li><a href=\"#common-applications\">Common Applications<\/a><\/ul><\/div><\/div><\/div><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Hysteresis Brakes and Clutches<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Principle of Operation:<\/strong> Hysteresis devices use a magnetic field to create a smooth, controlled resistance. An electromagnet, powered by an external current, generates a magnetic field that acts on a special steel rotor. As the rotor rotates, its magnetic properties are constantly cycled, which requires energy. This energy conversion creates a consistent braking or clutching torque that is <strong>independent of shaft speed<\/strong>. The amount of torque is directly proportional to the current supplied to the electromagnet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Advantages:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Precise, Constant Torque:<\/strong> Torque output remains consistent regardless of shaft speed, from zero to maximum RPM.<\/li>\n\n\n\n<li><strong>Smooth Control:<\/strong> No &#8220;stick-slip&#8221; or sudden engagement, ensuring gentle, smooth acceleration and braking.<\/li>\n\n\n\n<li><strong>No Wear:<\/strong> The design has no rubbing parts, so there&#8217;s no friction, wear, or particle generation.<\/li>\n\n\n\n<li><strong>Variable Torque:<\/strong> Torque can be precisely adjusted by controlling the input current.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Eddy Current Brakes and Clutches<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Principle of Operation:<\/strong> Eddy current devices operate on the principle of electromagnetic induction. As a conductive disc (typically copper or aluminum) rotates within a magnetic field, it generates swirling electrical currents, known as <strong>eddy currents<\/strong>. These currents create their own magnetic field, which opposes the primary magnetic field. This opposition creates a powerful and non-contact braking torque.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2023\/04\/Diagram-showing-the-internal-components-of-a-hysteresis-brake-including-the-electromagnet-coil-and-a-rotor-moving-within-the-magnetic-field-1024x683.webp\" alt=\"Diagram showing the internal components of a hysteresis brake, including the electromagnet coil and a rotor moving within the magnetic field.\" class=\"wp-image-13571\" srcset=\"https:\/\/hsmagnet.com\/wp-content\/uploads\/2023\/04\/Diagram-showing-the-internal-components-of-a-hysteresis-brake-including-the-electromagnet-coil-and-a-rotor-moving-within-the-magnetic-field-1024x683.webp 1024w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2023\/04\/Diagram-showing-the-internal-components-of-a-hysteresis-brake-including-the-electromagnet-coil-and-a-rotor-moving-within-the-magnetic-field-300x200.webp 300w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2023\/04\/Diagram-showing-the-internal-components-of-a-hysteresis-brake-including-the-electromagnet-coil-and-a-rotor-moving-within-the-magnetic-field-768x512.webp 768w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2023\/04\/Diagram-showing-the-internal-components-of-a-hysteresis-brake-including-the-electromagnet-coil-and-a-rotor-moving-within-the-magnetic-field-600x400.webp 600w, https:\/\/hsmagnet.com\/wp-content\/uploads\/2023\/04\/Diagram-showing-the-internal-components-of-a-hysteresis-brake-including-the-electromagnet-coil-and-a-rotor-moving-within-the-magnetic-field.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Advantages:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High-Speed Performance:<\/strong> Ideal for high-speed applications where smooth deceleration is critical.<\/li>\n\n\n\n<li><strong>High Durability:<\/strong> Like hysteresis brakes, there are no contact points, leading to a long service life.<\/li>\n\n\n\n<li><strong>Excellent Heat Dissipation:<\/strong> The design is highly effective at dissipating heat generated during braking.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Common Applications<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The ability to provide precise, non-contact torque control makes magnetic brakes and clutches invaluable in a variety of industries:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Packaging &amp; Converting:<\/strong> Used for <strong>tension control<\/strong> on web handling systems for films, papers, and foils.<\/li>\n\n\n\n<li><strong>Textile Manufacturing:<\/strong> Ensures consistent yarn and fiber tension for improved product quality.<\/li>\n\n\n\n<li><strong>Printing &amp; Laminating:<\/strong> Provides high-precision web handling to prevent tearing and wrinkling.<\/li>\n\n\n\n<li><strong>Medical &amp; Scientific:<\/strong> Used in clean-room environments where contamination from friction dust is unacceptable.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">By choosing the right magnetic solution, manufacturers can improve process control, reduce waste, and extend the lifespan of their equipment. If you need a reliable and maintenance-free way to manage torque, a magnetic brake or clutch could be the perfect solution for your application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Learn more about our innovative magnetic transmission solutions and explore the full product range at <strong><a href=\"https:\/\/hsmagnet.com\/\">HSMagnet<\/a><\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u78c1\u6c17\u30d6\u30ec\u30fc\u30ad\u3068\u30af\u30e9\u30c3\u30c1\u306f\u3001\u7523\u696d\u30b7\u30b9\u30c6\u30e0\u306b\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308a\u3001\u6b63\u78ba\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c8\u30eb\u30af\u5236\u5fa1\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5f93\u6765\u306e\u6469\u64e6\u30d9\u30fc\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u7570\u306a\u308a\u3001\u6a5f\u68b0\u7684\u306a\u63a5\u89e6\u306a\u3057\u306b\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u512a\u308c\u305f\u8010\u4e45\u6027\u3068\u30af\u30ea\u30fc\u30f3\u3067\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30d5\u30ea\u30fc\u306e\u52d5\u4f5c\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u4e3b\u306a2\u3064\u306e\u30bf\u30a4\u30d7\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>","protected":false},"author":1,"featured_media":13570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-4352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magnetic-applicaitons"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Magnetic Brakes &amp; Clutches: How They Work &amp; Key Benefits<\/title>\n<meta name=\"description\" content=\"Learn how magnetic brakes and clutches use hysteresis and eddy currents for precise, non-contact torque control. 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