{"id":"nachi-robotics-mc20","model_id":"MC20","name":"Nachi Robotics MC20","summary":"The Nachi MC20 is a six-axis articulated industrial robot. It has a 20 kg payload, a 1722 mm horizontal reach, and a position repeatability of ±0.05 mm. The arm is IP65 rated and can be mounted on the floor or ceiling.","study_notes":["Robot model is listed as MC20-01 in the basic specifications table; the page title is MC20.","Drive system is an AC servo motor.","Maximum speeds for MC20-01 are listed as 2.96 rad/s on axes 1 and 2, 2.86 rad/s on axis 3, 6.28 rad/s on axes 4 and 5, and 10.5 rad/s on axis 6.","Allowable static load torque is 49 N·m on axes 4 and 5 and 23.5 N·m on axis 6.","Allowable moment of inertia is 1.6 kg·m² on axes 4 and 5 and 0.8 kg·m² on axis 6.","Maximum air pressure is 0.49 MPa (50 kgf/cm²).","Humidity range is 20 to 55%RH with no condensation allowed.","Vibration limit is 0.5 G (3 m/s²).","Installation altitude is not higher than 1,000 m above sea level; above this, permitted temperature is affected by height.","The basic specification table lists floor and ceiling mounting for MC20-01; additional information lists floor, wall, and inverted/ceiling mounting.","Application areas listed are machine tending, material handling, palletizing, and dispensing.","Optional internal pneumatic valves and internal air supply lines/signal cabling are mentioned."],"safety_notes":["Operating range is limited according to payload weight.","The allowable moment of inertia of the wrist changes with load conditions.","Maximum air pressure must not exceed 0.49 MPa (50 kgf/cm²).","Operating temperature is 0 to 45 °C.","Humidity must be 20 to 55%RH with no condensation.","Vibration to the insulation flow must not exceed 0.5 G (3 m/s²).","Do not use organic compounds, acids, alkalis, chlorine, or gasoline cutting fluids that deteriorate seal material.","Installation altitude is limited to 1,000 m above sea level; higher altitude affects permitted temperature."],"sources":[{"url":"https://www.nachirobotics.com/product/mc20/","title":"MC20 | Nachi Robotics Systems, Inc.","accessed":"2026-10-25"}],"verification":{"status":"source_checked","checked_at":"2026-10-25","values":9,"method":"llm_source_check"},"updated_at":"2026-10-25","type":"hardware","spec":{"category":"industrial_robot","manufacturer":"nachi-robotics","controllers":[],"axes":6,"payload_kg":20,"reach_mm":1722,"repeatability_mm":0.05,"weight_kg":220,"ip_rating":"IP65","operating_temp_min_c":0,"operating_temp_max_c":45,"joints":[],"protocols":[],"standards":[],"error_codes":[]},"url":"https://machineschema.com/hardware/nachi-robotics-mc20","license":"https://creativecommons.org/licenses/by/4.0/"}