{"id":588,"date":"2026-10-09T06:27:43","date_gmt":"2026-10-09T06:27:43","guid":{"rendered":"https:\/\/zhuoruimech.com\/?p=588"},"modified":"2026-10-09T06:27:43","modified_gmt":"2026-10-09T06:27:43","slug":"hydraulic-motor-selection-usable-power-pressure-rating-news","status":"publish","type":"post","link":"https:\/\/zhuoruimech.com\/fr\/hydraulic-motor-selection-usable-power-pressure-rating-news\/","title":{"rendered":"Hydraulic Motor Selection: Why Usable Power Matters More Than Peak Pressure"},"content":{"rendered":"<p><strong>Industry brief \u00b7 Source published October 2, 2026<\/strong><\/p>\n<p>A Bosch Rexroth article dated October 2, 2026 argues that hydraulic drive motors should be compared by usable power over the required operating envelope, not by a single peak-pressure value. Its discussion concerns H\u00e4gglunds motors; the selection principle is relevant to the motor and cylinder system around heavy machinery.<\/p>\n<h2>Engineering significance<\/h2>\n<p>Hydraulic motor torque depends on displacement, pressure differential, and efficiency; output power also depends on speed. A high permitted pressure at one operating point does not prove that a motor can sustain the needed torque and speed together. Continuous and intermittent ratings, oil temperature, cooling, and mechanical limits should be read from the same duty map.<\/p>\n<h2>What buyers should check<\/h2>\n<ul>\n<li>Request a torque-speed operating map for normal, start-up, and upset conditions.<\/li>\n<li>Separate continuous duty from intermittent overload and define the duration of each.<\/li>\n<li>Check pressure losses in valves and lines so motor inlet pressure is not mistaken for effective motor differential pressure.<\/li>\n<\/ul>\n<h2>Application to custom hydraulic projects<\/h2>\n<p>The same discipline helps when specifying hydraulic cylinders: force, speed, stroke, and duty must be checked together with the power unit. Vendor examples and ratings in the source are specific to those products and do not describe Yongjian equipment.<\/p>\n<p>Related product: <a href=\"https:\/\/zhuoruimech.com\/fr\/produit\/grue-portuaire-groupe-hydraulique\/\">Grue portuaire - Groupe hydraulique<\/a>.<\/p>\n<p><small>Source: <a href=\"https:\/\/www.boschrexroth.com\/en\/us\/blog\/hd\/look-beyond-the-pressure-ratings\/\">Bosch Rexroth: Look Beyond the Pressure Ratings<\/a>. This independent summary is not a manufacturer announcement by Yongjian. Cover is an original conceptual diagram, not a product photograph.<\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>A Bosch Rexroth article dated October 2, 2026 argues that hydraulic drive motors should be compared by usable power over the required operating envelope, n.<\/p>","protected":false},"author":1,"featured_media":587,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yj_news_hero_background_id":0,"_yj_news_eyebrow":"","_yj_news_technical_topic":"","_yj_news_cta_title":"","_yj_news_cta_description":"","_yj_news_cta_label":"","_yj_news_cta_url":"","_yj_news_related_product_ids":[],"_yj_news_related_case_ids":[],"footnotes":""},"categories":[51],"tags":[],"class_list":["post-588","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hydraulic Motor Selection: Why Usable Power Matters More Than Peak Pressure - 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