{"id":32,"count":6,"description":"Pneumatic describes a method of brake actuation that utilizes compressed air as the power source to generate the clamping force. This technology is valued for its cleanliness, responsiveness, and excellent controllability, making it a preferred solution for a specific range of industrial applications.    There are two distinct and opposing principles of operation for pneumatic brakes:  <ol>   \t<li><strong>Pneumatically-Applied \/ \"Normally Open\":<\/strong> Voici la configuration la plus courante pour le contr\u00f4le de processus. Dans ce design, le frein est d\u00e9sengag\u00e9 dans son \u00e9tat par d\u00e9faut. Pour engager le frein, de l\u2019air comprim\u00e9 est aliment\u00e9 dans un actionneur (comme un diaphragme ou un piston), qui applique alors une force sur les plaquettes de frein ou sur les \u00e9triers.  <ul>   \t<li><strong>Caract\u00e9ristique cl\u00e9:<\/strong>\u00a0Le couple de freinage est directement proportionnel \u00e0 la pression d\u2019air fournie. Cela permet un r\u00e9glage extr\u00eamement fin et dynamique de la force de freinage, ce qui fait de ce design la norme de l\u2019industrie pour\u00a0<strong>contr\u00f4le de tension<\/strong>\u00a0on unwind stands for paper, film, and foil. By precisely regulating the air pressure, a constant tension can be maintained on a moving web of material. This is an \"energize-to-engage\" system and is\u00a0<strong>pas s\u00fbr en cas de d\u00e9faillance<\/strong>.<\/li>  <\/ul>  <\/li>   \t<li><strong>Pneumatically-Released \/ \"Normally Closed\":<\/strong> Il s\u2019agit d\u2019un <strong>s\u00e9curit\u00e9 int\u00e9gr\u00e9e<\/strong> design. Le frein est fortement maintenu engag\u00e9 par un ensemble de ressorts m\u00e9caniques dans son \u00e9tat par d\u00e9faut, d\u00e9-\u00e9nergis\u00e9. L\u2019air comprim\u00e9 est utilis\u00e9 pour surmonter la force du ressort et <em>release<\/em> le frein, permettant \u00e0 l\u2019arbre de tourner.  <ul>   \t<li><strong>Caract\u00e9ristique cl\u00e9:<\/strong>\u00a0S\u2019il y a une perte de pression d\u2019air dans l\u2019installation, le frein se met automatiquement en prise et arr\u00eate ou retient le chargement en toute s\u00e9curit\u00e9. Ce design est utilis\u00e9 pour des applications de maintien et d\u2019arr\u00eat d\u2019urgence critiques en mati\u00e8re de s\u00e9curit\u00e9 o\u00f9 l\u2019air comprim\u00e9 est la source d\u2019alimentation la plus pratique disponible.<\/li>  <\/ul>  <\/li>  <\/ol>  In summary, choosing a pneumatic brake is driven by specific operational needs. When precise and variable torque is required for process control, the \"Normally Open\" design is ideal. When a clean, reliable, and fail-safe holding brake is needed and plant air is readily available, the \"Normally Closed\" spring-applied, pneumatically-released design is the appropriate choice.","link":"https:\/\/www.takebrakes.com\/fr\/tag\/pneumatic\/","name":"Pneumatique","slug":"pneumatic","taxonomy":"post_tag","meta":[],"_links":{"self":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/tags\/32","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/tags"}],"about":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/taxonomies\/post_tag"}],"wp:post_type":[{"href":"https:\/\/www.takebrakes.com\/fr\/wp-json\/wp\/v2\/posts?tags=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}