{"product_id":"cubemars-ri70-motor","title":"CubeMars RI70 KV95 Frameless Motor 24\/36\/48V 0.94Nm for Humanoid Robots, Arms \u0026 Exoskeletons","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eCubeMars RI70 Motor is a frameless motor intended for robotics joints and compact actuation modules in humanoid robots, robotic arms, exoskeletons, quadruped robots, AGV vehicles, and ARU robots. It supports FOC (field-oriented control) driving and is specified for 24\/36\/48 V operation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLower cogging torque; smooth running\u003c\/li\u003e\n\u003cli\u003eRunning with low noise; strong dynamic response\u003c\/li\u003e\n\u003cli\u003eHand winding for delicate performance: 0.5 mm clearance on the edge of stator for better installation; excellent copper fill factor for high torque density and dynamics\u003c\/li\u003e\n\u003cli\u003eCurved permanent magnet; BEMF sinus motor design for easy control\u003c\/li\u003e\n\u003cli\u003eRI70 rotor heightened version: rotor overall height increased by 2 mm to improve sensing when installing a hall sensor\u003c\/li\u003e\n\u003cli\u003eEncoder options: high resolution; high precision control with 0.01° (Renishaw, Sick, and other high-precision encoder)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriving Way\u003c\/td\u003e\n\u003ctd\u003eFOC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking environment\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding Type\u003c\/td\u003e\n\u003ctd\u003eDelta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePole Pairs\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage (V)\u003c\/td\u003e\n\u003ctd\u003e24\/36\/48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Power (W)\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-Load Speed (rpm)\u003c\/td\u003e\n\u003ctd\u003e1956\/2934\/3912\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torque (Nm)\u003c\/td\u003e\n\u003ctd\u003e0.94\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Speed (rpm)\u003c\/td\u003e\n\u003ctd\u003e1270\/1990\/2710\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current (ADC)\u003c\/td\u003e\n\u003ctd\u003e7.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Torque (Nm)\u003c\/td\u003e\n\u003ctd\u003e2.68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current (ADC)\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKv (rpm\/V)\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKt (Nm\/A)\u003c\/td\u003e\n\u003ctd\u003e0.130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKe (V\/krpm)\u003c\/td\u003e\n\u003ctd\u003e11.69\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase-to-Phase Resistance (mOhm)\u003c\/td\u003e\n\u003ctd\u003e418\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase-to-Phase Inductance (uH)\u003c\/td\u003e\n\u003ctd\u003e622.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInertia (g*cm^2)\u003c\/td\u003e\n\u003ctd\u003e92.15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKm (Nm\/sqrt(W))\u003c\/td\u003e\n\u003ctd\u003e0.2011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Time Constant (ms)\u003c\/td\u003e\n\u003ctd\u003e0.23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Time Constant (ms)\u003c\/td\u003e\n\u003ctd\u003e1.49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation High-Voltage\u003c\/td\u003e\n\u003ctd\u003e1000 V 5 mA\/2 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 V 10 MOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (g)\u003c\/td\u003e\n\u003ctd\u003e270.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Torque Weight Ratio (Nm\/kg)\u003c\/td\u003e\n\u003ctd\u003e9.91\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (diameter*length) (mm)\u003c\/td\u003e\n\u003ctd\u003ePhi76*24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\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\u003eManuals\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/RI70_KV95-2D.pdf?v=1758428962\" rel=\"noopener\" target=\"_blank\"\u003eRI70_KV95-2D.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Rl70_with_hall_sensor-2D.pdf?v=1758428970\" rel=\"noopener\" target=\"_blank\"\u003eRl70_with_hall_sensor-2D.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/RI70_with_hall_sensor_3D.STEP?v=1758428988\" rel=\"noopener\" target=\"_blank\"\u003eRI70_with_hall_sensor_3D.stp\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/RI70_3D.STEP?v=1758428996\" rel=\"noopener\" target=\"_blank\"\u003eRI70_3D.stp\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"CubeMars RI70 KV95 frameless motor for robotic joints, highlighting low cogging torque and smooth, low-noise running\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor.jpg?v=1781584098\"\u003e\u003cp\u003eBuilt for compact joint modules, the RI70 series targets smooth motion with low cogging torque and low operating noise.\u003c\/p\u003e\n\u003cimg alt=\"RI70 frameless motor stator with hand-wound copper coils and tight 0.5 mm edge clearance for installation\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor_2868ea8a-7403-4921-9145-8f6fb190f214.jpg?v=1781584108\"\u003e\u003cp\u003eHand-wound stator coils improve copper fill for higher torque density while keeping a tight 0.5 mm edge clearance for easier integration.\u003c\/p\u003e\n\u003cimg alt=\"RI70 rotor ring with curved permanent magnets and sinusoidal BEMF design for easier FOC control\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor_41c32f89-4991-42d5-aa12-9193b7466cc5.jpg?v=1781584116\"\u003e\u003cp\u003eCurved permanent magnets support a sinusoidal BEMF profile designed for stable field-oriented control.\u003c\/p\u003e\n\u003cimg alt=\"RI70 rotor heightened version with 2 mm increased height to improve Hall sensor sensing during installation\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor_fbb36d97-3c42-4f92-a4b0-3e74c59335ed.jpg?v=1781584125\"\u003e\u003cp\u003eA rotor height increase of 2 mm helps improve Hall sensor sensing when adding position feedback to the module.\u003c\/p\u003e\n\u003cimg alt=\"RI70 working environment temperature range graphic (-40°C to 85°C) plus compatible high-resolution encoder options\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor_75dd30b6-0182-4f9e-80a1-efacf621371e.jpg?v=1781584134\"\u003e\u003cp\u003eDesigned for wide-temperature operation, with encoder options available for high-resolution, high-precision feedback.\u003c\/p\u003e\n\u003cimg alt=\"Performance curves for CubeMars RI70 KV95 @24VDC showing speed, current, output power and efficiency versus torque\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor_39dd2cb8-a413-4eb0-bb33-eadbd801be2e.jpg?v=1781584143\"\u003e\u003cp\u003eTorque-to-speed, current, power, and efficiency curves support sizing the CubeMars RI70 KV95 Frameless Motor for your drive profile.\u003c\/p\u003e\n\u003cimg alt=\"Product comparison table for CubeMars frameless motors, including RI70 KV95 specs such as torque, current, speed and size\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/CubeMars-RI70-Motor_16f1d497-d518-4297-9571-03de0a03e323.jpg?v=1781584152\"\u003e\n\u003c\/div\u003e","brand":"CubeMars","offers":[{"title":"RI70 KV95 (without hall sensor)","offer_id":47885271564518,"sku":"CubeMars_RI70_ce8fca-1","price":153.68,"currency_code":"USD","in_stock":true},{"title":"RI70 KV95 (with hall sensor)","offer_id":47885271597286,"sku":"CubeMars_RI70_ce8fca-2","price":171.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/CubeMars-RI70-KV95-Frameless-Motor-243648V-094Nm-for.jpg?v=1781584301","url":"https:\/\/robotdoo.com\/products\/cubemars-ri70-motor","provider":"RobotDoo","version":"1.0","type":"link"}