{"product_id":"sito-drive-cs-mini-05-reducer","title":"SITO DRIVE CS Mini-05-1U-U Micro Harmonic Reducer, 30\/50\/80 Ratios for Compact Robotics","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\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 CS Mini-05-1U-U micro \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/harmonic-reducers\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eharmonic reducer\u003c\/a\u003e is offered with 30, 50, or 80 speed-ratio options for compact robotic and motion-transmission assemblies. At a 2,000 r\/min input speed, rated torque ranges from 0.25 to 0.52 Nm by ratio. The reducer has a stated maximum allowable input speed of 10,000 rpm, backlash of ≤20 arcsec, and a compact installation drawing with mounting and shaft dimensions.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCS Mini-05-1U-U micro harmonic reducer.\u003c\/li\u003e\n\u003cli\u003eSelectable transmission ratios: 30, 50, or 80.\u003c\/li\u003e\n\u003cli\u003eMaximum allowable input speed: 10,000 rpm.\u003c\/li\u003e\n\u003cli\u003eAllowable average speed: 6,500 rpm.\u003c\/li\u003e\n\u003cli\u003eBacklash: ≤20 arcsec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ch3\u003ePerformance by Transmission Ratio\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eRatio 30\u003c\/th\u003e\n\u003cth\u003eRatio 50\u003c\/th\u003e\n\u003cth\u003eRatio 80\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCS-05-1U-U\u003c\/td\u003e\n\u003ctd\u003eCS-05-1U-U\u003c\/td\u003e\n\u003ctd\u003eCS-05-1U-U\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated torque at 2,000 r\/min input\u003c\/td\u003e\n\u003ctd\u003e0.25 Nm\u003c\/td\u003e\n\u003ctd\u003e0.4 Nm\u003c\/td\u003e\n\u003ctd\u003e0.52 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak torque allowed during start\/stop\u003c\/td\u003e\n\u003ctd\u003e0.5 Nm\u003c\/td\u003e\n\u003ctd\u003e0.9 Nm\u003c\/td\u003e\n\u003ctd\u003e1.35 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum allowable average load torque\u003c\/td\u003e\n\u003ctd\u003e0.38 Nm\u003c\/td\u003e\n\u003ctd\u003e0.53 Nm\u003c\/td\u003e\n\u003ctd\u003e0.84 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstantaneous maximum torque\u003c\/td\u003e\n\u003ctd\u003e0.9 Nm\u003c\/td\u003e\n\u003ctd\u003e1.8 Nm\u003c\/td\u003e\n\u003ctd\u003e2.5 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum allowable input speed\u003c\/td\u003e\n\u003ctd\u003e10,000 rpm\u003c\/td\u003e\n\u003ctd\u003e10,000 rpm\u003c\/td\u003e\n\u003ctd\u003e10,000 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable average speed\u003c\/td\u003e\n\u003ctd\u003e6,500 rpm\u003c\/td\u003e\n\u003ctd\u003e6,500 rpm\u003c\/td\u003e\n\u003ctd\u003e6,500 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoment of inertia\u003c\/td\u003e\n\u003ctd\u003e2.5 × 10⁻⁴ kg·m²\u003c\/td\u003e\n\u003ctd\u003e2.5 × 10⁻⁴ kg·m²\u003c\/td\u003e\n\u003ctd\u003e2.5 × 10⁻⁴ 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≤20 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Drawing Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecified value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e≤22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e≤38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≤0.042 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront mounting face\u003c\/td\u003e\n\u003ctd\u003eSquare, 20 mm ±0.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxial dimension\u003c\/td\u003e\n\u003ctd\u003e8.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft-side flange axial dimension\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody length\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight-side flange axial dimension\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight-side shaft projection\u003c\/td\u003e\n\u003ctd\u003e7.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxial step dimension\u003c\/td\u003e\n\u003ctd\u003e1.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight-side shaft-section axial dimension\u003c\/td\u003e\n\u003ctd\u003e6.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft-side shaft projection\u003c\/td\u003e\n\u003ctd\u003e7.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft-side shaft vertical dimension\u003c\/td\u003e\n\u003ctd\u003e3.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStepped cylindrical section\u003c\/td\u003e\n\u003ctd\u003eØ19.50 mm, tolerance −0.02 \/ −0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStepped cylindrical section\u003c\/td\u003e\n\u003ctd\u003eØ15 mm, tolerance −0.02 \/ −0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft-side shaft\u003c\/td\u003e\n\u003ctd\u003eØ4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight-side shaft\u003c\/td\u003e\n\u003ctd\u003eØ3 mm, tolerance −0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight-side shaft\u003c\/td\u003e\n\u003ctd\u003eØ9 mm, tolerance −0.02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight-side shaft-section vertical dimension\u003c\/td\u003e\n\u003ctd\u003e2.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput-side circular feature\u003c\/td\u003e\n\u003ctd\u003eØ23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting interface\u003c\/td\u003e\n\u003ctd\u003eFour M2-6H threaded holes; depth 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eUse this micro harmonic reducer in compact robotic and motion-transmission assemblies where the selected 30, 50, or 80 ratio, torque limits, speed limits, backlash, and installation geometry can be matched to the mechanism. The documented mounting face, threaded-hole pattern, and shaft dimensions support mechanical layout and installation planning.\u003c\/p\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-reducer-1-u-u.step?v=1791293678\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO CS 05 1U U Reducer — 3D Model (STEP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-reducer-1-u-u.step?v=1791293678\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO CS 05 1U U Reducer Mini — 3D Model (STEP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-reducer-1-u-u.step?v=1791293678\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO CS 05 1U U Reducer — 3D Model (STEP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-reducer-1-u-u.step?v=1791293678\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO CS 05 1U U Reducer — 3D Model (STEP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-reducer-1-u-u.step?v=1791293678\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO CS 05 1U U Reducer Mini — 3D Model (STEP)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-reducer-1-u-u-draw-product-installation-drawing.pdf?v=1791293704\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eSITO CS 05 1U U Draw instalation drawing — Installation Drawing (PDF)\u003c\/a\u003e\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\"\u003e\n    Your browser does not support the video tag.\n  \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\"\u003e\n    Your browser does not support the video tag.\n  \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\"\u003e\n    Your browser does not support the video tag.\n  \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 DRIVE strain wave drive reducer family range graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-25550c6d50.webp?v=1791293795\"\u003e\u003cfigcaption\u003eSITO DRIVE strain wave drive reducer family with stated diameter, ratio, and torque ranges\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 hand graphic labelled CS Mini-2.5\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-a7e4ff36d4.webp?v=1791293799\"\u003e\u003cfigcaption\u003eRobotic hand graphic labeled 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=\"Industrial robotic arm illustration for harmonic reducer applications\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-7e2b493b18.webp?v=1791293807\"\u003e\u003cfigcaption\u003eIndustrial robotic arm illustration describing harmonic reducers as robot core 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=\"Compact strain wave drive reducers beside a coin\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-638a6585ad.webp?v=1791293803\"\u003e\u003cfigcaption\u003eSmall strain wave drive reducers beside a coin with 11 mm diameter claim\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"SITO DRIVE component drawing with 20 mm and 38 mm dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-145c03fb7f.webp?v=1791293815\"\u003e\u003cfigcaption\u003eSITO DRIVE component dimension graphic showing 20 mm width and 38 mm height\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"CS Mini-05-1U-U installation drawing with mounting and shaft dimensions\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-0329913aa7.webp?v=1791293819\"\u003e\u003cfigcaption\u003eThe CS Mini-05-1U-U is identified as a micro harmonic reducer. Diameter is specified as no more than 22 mm.\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=\"SITO DRIVE manufacturing and inspection graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/sito-drive-cs-mini-05-1u-u-micro-harmo-d3ea2dee3d.webp?v=1791293811\"\u003e\u003cfigcaption\u003eManufacturing and inspection graphic with higher industry standards claim\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"SITO DRIVE","offers":[{"title":"30","offer_id":67747932045536,"sku":"SIT-A6D3F7D5","price":207.6,"currency_code":"USD","in_stock":true},{"title":"50","offer_id":67747932078304,"sku":"SIT-29F71ED3","price":207.6,"currency_code":"USD","in_stock":true},{"title":"80","offer_id":67747932111072,"sku":"SIT-2D278838","price":207.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/sito-drive-csmini-05-1u-u-micro-har-c2540ef780-01.webp?v=1791293614","url":"https:\/\/rcdrone.top\/sw\/products\/sito-drive-cs-mini-05-reducer","provider":"RCDrone","version":"1.0","type":"link"}