{"product_id":"eyou-rhu20l-70-motor","title":"EYOU RHU20L-70 Harmonic Drive Robot Joint Actuator, 48 V, 50\/80\/100 Ratios for Humanoid Robots","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/eyou-motor\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eEYOU\u003c\/a\u003e RHU20L-70 is a harmonic-drive \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/robot-joint-actuator\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003erobot joint actuator\u003c\/a\u003e for humanoid robot applications. It combines a 180 W \u003ca class=\"product-context-link\" href=\"https:\/\/rcdrone.top\/collections\/robot-motors\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003emotor\u003c\/a\u003e, built-in driver, dual absolute encoder, and 48 VDC rated operation in a Φ70 × 68 mm module. Select 50, 80, or 100 reduction ratios and a brake or no-brake version to suit the required output torque, speed, and integration arrangement.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHarmonic reducer with a built-in driver.\u003c\/li\u003e\n\u003cli\u003eDual absolute encoder: motor side 17 Bit and reducer side 19 Bit.\u003c\/li\u003e\n\u003cli\u003eDriver interfaces: Power (DC in DC out), CAN FD (In,Out), EtherCAT (In,Out), and STO (1,2).\u003c\/li\u003e\n\u003cli\u003eEtherCAT and CANopen communication protocols.\u003c\/li\u003e\n\u003cli\u003eControl modes: Profile Position (PP), Profile Velocity (PV), Profile Torque (PT), Cyclic Synchronous Position (CSP), Cyclic Synchronous Velocity (CSV), etc.\u003c\/li\u003e\n\u003cli\u003eBrake options: With Brake or Without Brake.\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\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Model\u003c\/td\u003e\n\u003ctd\u003eRHU20L-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Type\u003c\/td\u003e\n\u003ctd\u003eHarmonic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Rated Power (W)\u003c\/td\u003e\n\u003ctd\u003e180\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Rated Torque (N·m)\u003c\/td\u003e\n\u003ctd\u003e0.49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Peak Torque (N·m)\u003c\/td\u003e\n\u003ctd\u003e1.48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003e50 \/ 80 \/ 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJoint Rated Power (W) - Life Constraint\u003c\/td\u003e\n\u003ctd\u003e71 \/ 63 \/ 59\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torque at 2000rpm Input (N·m)\u003c\/td\u003e\n\u003ctd\u003e17 \/ 24 \/ 28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage Load Torque at Output (N·m)\u003c\/td\u003e\n\u003ctd\u003e24 \/ 33 \/ 34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Torque at Output (N·m)\u003c\/td\u003e\n\u003ctd\u003e39 \/ 51 \/ 57\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Allowable External Torque at Output (Instantaneous) (N·m)\u003c\/td\u003e\n\u003ctd\u003e69 \/ 89 \/ 95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklash (Arcsec)\u003c\/td\u003e\n\u003ctd\u003e≤20 \/ ≤20 \/ ≤20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Speed at Output (rpm) - Life Constraint\u003c\/td\u003e\n\u003ctd\u003e40 \/ 25 \/ 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Speed at Output (rpm)\u003c\/td\u003e\n\u003ctd\u003e79 \/ 50 \/ 40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake (B\/N)\u003c\/td\u003e\n\u003ctd\u003eB\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Outer Diameter × Axial) (mm)\u003c\/td\u003e\n\u003ctd\u003eΦ70 × 68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (kg) (B\/N)\u003c\/td\u003e\n\u003ctd\u003e0.832 \/ 0.811\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHollow Diameter (mm)\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Appearance (Process Color)\u003c\/td\u003e\n\u003ctd\u003eBlack Anodized (Non-sandblasted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Appearance (Process Color)\u003c\/td\u003e\n\u003ctd\u003eOuter Ring Blackened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadial (dynamic\/static) Allowable Load at Output (N)\u003c\/td\u003e\n\u003ctd\u003e270\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxial (dynamic\/static) Allowable Load at Output (N)\u003c\/td\u003e\n\u003ctd\u003e270\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Bending Moment (N·m)\u003c\/td\u003e\n\u003ctd\u003e37\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Torsional Stiffness (N·m\/rad)\u003c\/td\u003e\n\u003ctd\u003e7080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Input Inertia (kg·mm²) (B)\u003c\/td\u003e\n\u003ctd\u003e33.42 \/ 33.42 \/ 33.42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent Joint Output Inertia (kg·mm²) (B)\u003c\/td\u003e\n\u003ctd\u003e83550 \/ 213888 \/ 334200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Operating Voltage (VDC)\u003c\/td\u003e\n\u003ctd\u003e48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range (VDC)\u003c\/td\u003e\n\u003ctd\u003e24–48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver\u003c\/td\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\/Bit (bit)\u003c\/td\u003e\n\u003ctd\u003eDual Absolute \/ Motor side 17 Bit \u0026amp; Reducer side 19 Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Interface (see terminal model description)\u003c\/td\u003e\n\u003ctd\u003ePower (DC in DC out), CAN FD (In,Out), EtherCAT (In,Out), STO (1,2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol (see communication description)\u003c\/td\u003e\n\u003ctd\u003eEtherCAT \/ CANopen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Modes\u003c\/td\u003e\n\u003ctd\u003eProfile Position (PP), Profile Velocity (PV), Profile Torque (PT), Cyclic Synchronous Position (CSP), Cyclic Synchronous Velocity (CSV), etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Ambient Temperature (°C)\u003c\/td\u003e\n\u003ctd\u003e-20–60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Temperature Rise (°C)\u003c\/td\u003e\n\u003ctd\u003e≤60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise (dB)\u003c\/td\u003e\n\u003ctd\u003e≤60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLife (h)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;10000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eRatio-dependent values are listed in the order 50 \/ 80 \/ 100 unless otherwise indicated. Brake-related values are listed as B\/N.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid robots\u003c\/li\u003e\n\u003cli\u003eRobotic arms\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eQuadruped robots\u003c\/li\u003e\n\u003cli\u003eAGV vehicles\u003c\/li\u003e\n\u003cli\u003eARU robots\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDownloads\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/linkdynamics-p-80-motor-eyou-canable-user-manual.pdf?v=1790582130\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEYOU CANable — User Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu-20-l-70-motor-drawing.pdf?v=1791019716\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEYOU RHU 20L 70 Drawing — Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu-14-l-52-n-f-motor-phu-series-joint-canopen-ethercat-communication-manual.pdf?v=1791018196\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEYOU PHU RHU Series Joint CANopen EtherCAT Communication — Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rp-40-c-motor-robot-joint-product-catalog.pdf?v=1791012248\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEYOU Robot Joint Catalog — Robot Joint Product Catalog (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rp-40-c-motor-series-product-user-manual-en-v-1-0-20260608_64871513-644e-4323-b2d3-2666d519a2d7.pdf?v=1791012257\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEYOU RP Series EN V1.0 20260608 — User Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/linkdynamics-p-80-motor-eyou-uart-debug-module-user-manual.pdf?v=1790582148\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eEYOU UART Debug Module — User Manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVisual Details\u003c\/h2\u003e\n\u003ch3\u003eProduct Views\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"EYOU RHU20L-70 robot joint actuator side and connector-end view\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-1baea27974.webp?v=1791019809\"\u003e\u003cfigcaption\u003eRHU20L-70 has a connector end face with one orange two-position connector and six small white connectors arranged in two rows. The actuator is labeled EYOU Robot-HU20L.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eApplication Examples\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"EYOU RHU humanoid harmonic-drive robot actuator series graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-b8f3287972.webp?v=1791019814\"\u003e\u003cfigcaption\u003eThe RHU series is described as a Humanoid Harmonic Drive Robot Actuator.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"RHU series humanoid robot joint actuator overview graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-9c945bc594.webp?v=1791019818\"\u003e\u003cfigcaption\u003eThe RHU series is built specifically for the bionic joints of humanoid robots. The RHU series is intended for light-load, high-frequency commercial scenarios.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Humanoid robot torso and articulated shoulder illustration\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-9010338a10.webp?v=1791019834\"\u003e\u003cfigcaption\u003eHumanoid robot torso with articulated shoulder joint\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Articulated industrial robot arm illustration\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-0e181d41af.webp?v=1791019838\"\u003e\u003cfigcaption\u003eArticulated industrial robot arm\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Industrial robotic tooling beside production equipment illustration\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-f93b14079c.webp?v=1791019842\"\u003e\u003cfigcaption\u003eIndustrial robotic tooling at a production machine\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eInterfaces and Connections\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"RHU series robot actuator interface architecture graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-d7b91d89c9.webp?v=1791019822\"\u003e\u003cfigcaption\u003eThe RHU series offers terminal-block and flying-lead standard interfaces. The stated interface arrangement supports flexible electrical integration of the joint module.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eFeatures and Design\u003c\/h3\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"Compact EYOU RHU robot actuator series feature graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-b460ae9dd4.webp?v=1791019826\"\u003e\u003cfigcaption\u003eThe RHU series is described as delivering very high torque output from a small body. The RHU series is described as reducing weight and volume by up to 30% compared with traditional models.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure class=\"wp-block-image size-full\"\u003e\u003cimg alt=\"EYOU RHU actuator series brake and STO feature graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/eyou-rhu20l-70-harmonic-drive-robot-jo-12e591a03b.webp?v=1791019830\"\u003e\u003cfigcaption\u003eThe RHU series integrates a standards-compliant Safety Torque Off (STO) function and an electromagnetic brake. The stated STO function and electromagnetic brake form a dual safety system for humanoid robot joints, providing protection from the signal layer to the physical layer.\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"EYOU","offers":[{"title":"RHU20L-70 \/ Without Brake \/ 50","offer_id":67699364135136,"sku":"EYO-634F78F9","price":567.0,"currency_code":"USD","in_stock":true},{"title":"RHU20L-70 \/ Without Brake \/ 80","offer_id":67699364167904,"sku":"EYO-69E5258E","price":567.0,"currency_code":"USD","in_stock":true},{"title":"RHU20L-70 \/ Without Brake \/ 100","offer_id":67699364200672,"sku":"EYO-AA14146F","price":567.0,"currency_code":"USD","in_stock":true},{"title":"RHU20L-70 \/ With Brake \/ 50","offer_id":67699364233440,"sku":"EYO-9636CA49","price":667.0,"currency_code":"USD","in_stock":true},{"title":"RHU20L-70 \/ With Brake \/ 80","offer_id":67699364266208,"sku":"EYO-7F0DFCE2","price":667.0,"currency_code":"USD","in_stock":true},{"title":"RHU20L-70 \/ With Brake \/ 100","offer_id":67699364298976,"sku":"EYO-E3663D68","price":667.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/eyou-rhu20l-70-motor-upright-top-mount-01.webp?v=1791019684","url":"https:\/\/rcdrone.top\/zh\/products\/eyou-rhu20l-70-motor","provider":"RCDrone","version":"1.0","type":"link"}