{"product_id":"ri50-70-harmonic-robot-joint-actuator","title":"Compact Hollow Shaft Harmonic Drive Robot Joint Actuator RI50-70","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe RI50-70 is a compact \u003cstrong\u003ehollow shaft harmonic drive robot joint actuator\u003c\/strong\u003e designed for robotic arms, articulated robots, humanoid robotics, and compact motion-control systems.\u003c\/p\u003e\n\u003cp\u003eIt integrates a \u003cstrong\u003ebrushless motor, harmonic drive reducer, encoder feedback, and hollow-shaft structure\u003c\/strong\u003e into a compact joint module, reducing the complexity of separately integrating the motor, gearbox, and feedback components.\u003c\/p\u003e\n\u003cp\u003eThe hollow-shaft architecture provides internal space for cable and wiring routing through the joint, helping simplify mechanical integration in compact robotic arms and articulated mechanisms.\u003c\/p\u003e\n\u003cp\u003eThe RI50-70 is available with \u003cstrong\u003eCAN or EtherCAT communication\u003c\/strong\u003e, single or dual encoder feedback, and optional brake configurations for different robotic control requirements.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompact integrated robot joint actuator\u003c\/li\u003e\n\u003cli\u003eBrushless motor with harmonic drive reducer\u003c\/li\u003e\n\u003cli\u003eHollow-shaft structure for internal cable routing\u003c\/li\u003e\n\u003cli\u003eIntegrated motor, reducer, and feedback design\u003c\/li\u003e\n\u003cli\u003eCAN communication option\u003c\/li\u003e\n\u003cli\u003eEtherCAT communication option\u003c\/li\u003e\n\u003cli\u003eSingle or dual encoder configurations\u003c\/li\u003e\n\u003cli\u003eWith-brake or without-brake options\u003c\/li\u003e\n\u003cli\u003eDesigned for compact robotic joints\u003c\/li\u003e\n\u003cli\u003eSuitable for robotic arms and articulated robots\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\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\u003eCRA-RI50-70-PRO-XX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eIntegrated Robot Joint Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eBrushless Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Type\u003c\/td\u003e\n\u003ctd\u003eHarmonic Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure\u003c\/td\u003e\n\u003ctd\u003eHollow Shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eCAN \/ EtherCAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003eSingle Encoder \/ Dual Encoder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake\u003c\/td\u003e\n\u003ctd\u003eWithout Brake \/ With Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eRI50-70 PRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRobotic Joint Motion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eElectrical and mechanical specifications may vary depending on the selected configuration.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × RI50-70 Hollow Shaft Harmonic Drive Robot Joint Actuator\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompact robotic arms\u003c\/li\u003e\n\u003cli\u003eRobot arm joints\u003c\/li\u003e\n\u003cli\u003eArticulated robots\u003c\/li\u003e\n\u003cli\u003eHumanoid robotics\u003c\/li\u003e\n\u003cli\u003eService robots\u003c\/li\u003e\n\u003cli\u003eResearch robots\u003c\/li\u003e\n\u003cli\u003eRobotics development platforms\u003c\/li\u003e\n\u003cli\u003eCompact automation mechanisms\u003c\/li\u003e\n\u003cli\u003ePrecision motion systems\u003c\/li\u003e\n\u003cli\u003eCustom robotic joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is the RI50-70 robot joint actuator?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe RI50-70 is a compact integrated robotic joint module combining a brushless motor, harmonic drive reducer, encoder feedback, and hollow-shaft structure.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes the RI50-70 use a harmonic drive reducer?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. The harmonic reduction mechanism is integrated with the brushless motor and feedback system inside the joint actuator.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is the advantage of the hollow-shaft design?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe hollow shaft provides internal routing space for cables and wiring, which can simplify integration in articulated robotic joints.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs the RI50-70 suitable for robotic arms?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. It is designed for compatible robotic arms, articulated robots, humanoid robotics, research platforms, and other robotic joint applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes the RI50-70 support CAN communication?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. CAN communication is available.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs EtherCAT available?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. EtherCAT is available as another communication configuration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I choose single or dual encoders?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. Single encoder and dual encoder configurations are available.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan the RI50-70 be supplied with a brake?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. Both with-brake and without-brake configurations are available.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I request a different configuration?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. Different communication, encoder, and brake configurations are available. Contact us before ordering if you require a configuration other than the standard listed version.\u003c\/p\u003e","brand":"RobotDoo","offers":[{"title":"CAN + Dual Encoder + With Brake","offer_id":48297380905190,"sku":"CRA-RI50-70-PRO-XX","price":1725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/ri50-70-compact-robot-joint-actuator-1_webp.jpg?v=1788832284","url":"https:\/\/robotdoo.com\/products\/ri50-70-harmonic-robot-joint-actuator","provider":"RobotDoo","version":"1.0","type":"link"}