{"product_id":"sito-drive-hd-25-reducer","title":"SITO DRIVE HD-25 Reducer, 30-120 Speed Ratio Options for Robotics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/sito-drive\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eSITO DRIVE\u003c\/a\u003e HD-25 reducer is available in 30, 50, 80, 100, and 120 speed-ratio options for robotic motion systems. Rated torque at a 2000 r\/min input ranges from 16.2 to 54 Nm by ratio, while backlash is specified as ≤20 arcsec for 30 and 50 ratios and ≤10 arcsec for 80, 100, and 120 ratios. Select the ratio according to the required torque and backlash values.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFive selectable speed ratios: 30, 50, 80, 100, and 120.\u003c\/li\u003e\n\u003cli\u003eMaximum allowable input speed of 5600 rpm for all listed ratios.\u003c\/li\u003e\n\u003cli\u003eAllowable average speed of 3500 rpm for all listed ratios.\u003c\/li\u003e\n\u003cli\u003eMoment of inertia of 0.282 × 10\u003csup\u003e-4\u003c\/sup\u003e kg·m² for all listed ratios.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003e30\u003c\/th\u003e\n\u003cth\u003e50\u003c\/th\u003e\n\u003cth\u003e80\u003c\/th\u003e\n\u003cth\u003e100\u003c\/th\u003e\n\u003cth\u003e120\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHD-25\u003c\/td\u003e\n\u003ctd\u003eHD-25\u003c\/td\u003e\n\u003ctd\u003eHD-25\u003c\/td\u003e\n\u003ctd\u003eHD-25\u003c\/td\u003e\n\u003ctd\u003eHD-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission ratio\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque at 2000 r\/min input\u003c\/td\u003e\n\u003ctd\u003e16.2 Nm\u003c\/td\u003e\n\u003ctd\u003e26 Nm\u003c\/td\u003e\n\u003ctd\u003e44 Nm\u003c\/td\u003e\n\u003ctd\u003e48 Nm\u003c\/td\u003e\n\u003ctd\u003e54 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak torque allowed during start\/stop\u003c\/td\u003e\n\u003ctd\u003e41.4 Nm\u003c\/td\u003e\n\u003ctd\u003e69 Nm\u003c\/td\u003e\n\u003ctd\u003e95 Nm\u003c\/td\u003e\n\u003ctd\u003e110 Nm\u003c\/td\u003e\n\u003ctd\u003e120 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum allowable average load torque\u003c\/td\u003e\n\u003ctd\u003e22.8 Nm\u003c\/td\u003e\n\u003ctd\u003e38 Nm\u003c\/td\u003e\n\u003ctd\u003e60 Nm\u003c\/td\u003e\n\u003ctd\u003e75 Nm\u003c\/td\u003e\n\u003ctd\u003e80 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstantaneous maximum torque\u003c\/td\u003e\n\u003ctd\u003e76.2 Nm\u003c\/td\u003e\n\u003ctd\u003e127 Nm\u003c\/td\u003e\n\u003ctd\u003e147.2 Nm\u003c\/td\u003e\n\u003ctd\u003e184 Nm\u003c\/td\u003e\n\u003ctd\u003e202 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum allowable input speed\u003c\/td\u003e\n\u003ctd\u003e5600 rpm\u003c\/td\u003e\n\u003ctd\u003e5600 rpm\u003c\/td\u003e\n\u003ctd\u003e5600 rpm\u003c\/td\u003e\n\u003ctd\u003e5600 rpm\u003c\/td\u003e\n\u003ctd\u003e5600 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable average speed\u003c\/td\u003e\n\u003ctd\u003e3500 rpm\u003c\/td\u003e\n\u003ctd\u003e3500 rpm\u003c\/td\u003e\n\u003ctd\u003e3500 rpm\u003c\/td\u003e\n\u003ctd\u003e3500 rpm\u003c\/td\u003e\n\u003ctd\u003e3500 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoment of inertia\u003c\/td\u003e\n\u003ctd\u003e0.282 × 10\u003csup\u003e-4\u003c\/sup\u003e kg·m²\u003c\/td\u003e\n\u003ctd\u003e0.282 × 10\u003csup\u003e-4\u003c\/sup\u003e kg·m²\u003c\/td\u003e\n\u003ctd\u003e0.282 × 10\u003csup\u003e-4\u003c\/sup\u003e kg·m²\u003c\/td\u003e\n\u003ctd\u003e0.282 × 10\u003csup\u003e-4\u003c\/sup\u003e kg·m²\u003c\/td\u003e\n\u003ctd\u003e0.282 × 10\u003csup\u003e-4\u003c\/sup\u003e kg·m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklash\u003c\/td\u003e\n\u003ctd\u003e≤20 arcsec\u003c\/td\u003e\n\u003ctd\u003e≤20 arcsec\u003c\/td\u003e\n\u003ctd\u003e≤10 arcsec\u003c\/td\u003e\n\u003ctd\u003e≤10 arcsec\u003c\/td\u003e\n\u003ctd\u003e≤10 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-stp.step?v=1791420621\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO hd 25 Reducer — 3D Model (STEP)\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-draw-product-installation-drawing.pdf?v=1791420627\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO hd 25 Draw instalation drawing — Installation Drawing (PDF)\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid robots and robotic arms, where the required speed ratio, torque, and backlash values can be selected from the HD-25 options.\u003c\/li\u003e\n\u003cli\u003eExoskeletons and quadruped robots requiring a reducer option matched to the listed input-speed and torque limits.\u003c\/li\u003e\n\u003cli\u003eAGV vehicles and ARU robots using a selectable 30, 50, 80, 100, or 120 ratio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003ch3\u003eProduct Video\u003c\/h3\u003e\u003cfigure class=\"tophitek-product-video-block\"\u003e\u003cvideo autoplay=\"autoplay\" class=\"tophitek-product-video\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/c67a5b35bde34559932cc03793471a77.mp4\" style=\"display:block;width:auto;max-width:100%;height:auto;margin:0 auto\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/figure\u003e\u003cfigure class=\"tophitek-product-video-block\"\u003e\u003cvideo autoplay=\"autoplay\" class=\"tophitek-product-video\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/2092e1fd6fdc46e38630b7a7681b3fd5.mp4\" style=\"display:block;width:auto;max-width:100%;height:auto;margin:0 auto\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/figure\u003e\u003cfigure class=\"tophitek-product-video-block\"\u003e\u003cvideo autoplay=\"autoplay\" class=\"tophitek-product-video\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/dcd0693fb83a4e1099c31879cefe2ce4.mp4\" style=\"display:block;width:auto;max-width:100%;height:auto;margin:0 auto\"\u003eYour browser does not support the video tag.\u003c\/video\u003e\u003c\/figure\u003e\n\u003ch3\u003eSpecifications and Performance\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"SITO reducer family range graphic with diameter, ratio, and rated torque ranges\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-30-120-speed-68682dbc0e.webp?v=1791420707\"\u003e\u003cfigcaption\u003eStrain wave reducer family graphic listing diameter, ratio, and rated torque ranges\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eAdditional Product Details\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"CS Mini-2.5 reducer promotional graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-30-120-speed-82bf2685b5.webp?v=1791420710\"\u003e\u003cfigcaption\u003ePromotional graphic for the CS Mini-2.5 ultra-micro strain wave drive reducer\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Reducer component manufacturing and inspection graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-30-120-speed-eda23a43ab.webp?v=1791420723\"\u003e\u003cfigcaption\u003eManufacturing and inspection promotional graphic for precision reducer components\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eDimensions and Construction\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Small reducer comparison graphic with 11 mm diameter text\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-30-120-speed-f881c62b55.webp?v=1791420715\"\u003e\u003cfigcaption\u003eSmall strain wave drive reducers shown beside a U.S. quarter with 11 mm diameter text\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eApplication Examples\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Robotic arm application graphic for harmonic reducers\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-hd-25-reducer-30-120-speed-f5e1511174.webp?v=1791420719\"\u003e\u003cfigcaption\u003eIndustrial robotic arm graphic describing harmonic reducers as robot core components\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"SITO DRIVE","offers":[{"title":"30","offer_id":67748868260064,"sku":"SIT-17FBE556","price":344.4,"currency_code":"USD","in_stock":true},{"title":"50","offer_id":67748868292832,"sku":"SIT-CCAC1ADA","price":358.8,"currency_code":"USD","in_stock":true},{"title":"80","offer_id":67748868325600,"sku":"SIT-14622FA7","price":373.2,"currency_code":"USD","in_stock":true},{"title":"100","offer_id":67748868358368,"sku":"SIT-BCB50719","price":373.2,"currency_code":"USD","in_stock":true},{"title":"120","offer_id":67748868391136,"sku":"SIT-9A8A4355","price":387.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/sito-drive-hd-25-reducer-front-face-f2281963e0-01.webp?v=1791420578","url":"https:\/\/rcdrone.top\/products\/sito-drive-hd-25-reducer","provider":"RCDrone","version":"1.0","type":"link"}