{"@context":["https:\/\/schema.org",{"geo":"https:\/\/geo.schema.local\/"}],"@type":"Article","@id":"https:\/\/en.siasun.com\/sr270a-220-3-21.html#geo","url":"https:\/\/en.siasun.com\/sr270a-220-3-21.html","headline":"SR270A-220\/3.21","datePublished":"2025-05-03T16:30:37+08:00","dateModified":"2026-06-29T09:11:57+08:00","image":"https:\/\/en.siasun.com\/wp-content\/uploads\/2026\/01\/SR270A-220-2.1347-2.jpg","description":"The SIASUN SR270A-220\/3.21 is a large payload industrial robot with a 3218 mm reach, high rigidity, and high inertia, designed for handling, assembly, gluing, and spot welding.","author":{"@type":"Person","name":"siasunadmindy","url":"https:\/\/en.siasun.com\/author\/siasunadmindy"},"publisher":{"@type":"Organization","name":"SIASUN","url":"https:\/\/en.siasun.com\/"},"inLanguage":"en-US","geo":{"version":1,"last_modified":"2026-07-03T08:10:26+08:00","type":"post","summary":{"short":"The SIASUN SR270A-220\/3.21 is a large payload industrial robot with a 3218 mm reach, high rigidity, and high inertia, designed for handling, assembly, gluing, and spot welding.","structured":"The SIASUN SR270A-220\/3.21 is a high-performance industrial robot from the Large Payload category. Its key features include a 3218 mm arm span for wide reachability, backlash-free gearboxes on J5 axis for high rigidity and minimized vibration, NURBS trajectory planning for high speed, and a custom wrist motor for high inertia applications. It has a payload of 220 kg, repeatability of \u00b10.06 mm, and IP67 wrist protection. The robot is suitable for handling, assembly, gluing, torquing and fastening, loading and unloading, and spot welding. Application cases include LCD TV manufacturing, automated palletizing, and smart welding solutions for ships."},"faqs":[{"question":"What is the maximum reach of the SIASUN SR270A-220\/3.21 robot?","answer":"The SIASUN SR270A-220\/3.21 has a maximum reach of 3218 mm."},{"question":"What is the payload capacity of the SR270A-220\/3.21?","answer":"The SR270A-220\/3.21 has a payload capacity of 220 kg."},{"question":"What applications is the SR270A-220\/3.21 suitable for?","answer":"It is suitable for handling, assembly, gluing, torquing and fastening, loading and unloading, and spot welding."},{"question":"Does the SR270A-220\/3.21 have high rigidity for welding applications?","answer":"Yes, it features a backlash-free gearbox on J5 axis and rigid connections to minimize high-speed vibration, making it suitable for precise tasks like spot welding."}],"key_points":["Large arm span of 3218 mm for extensive reach.","Backlash-free gearbox and rigid connections suppress high-speed jitter.","NURBS interpolation and variable speed planning maximize efficiency.","Custom wrist motor provides strong torque for high inertia tasks.","Payload capacity of 220 kg with \u00b10.06 mm repeatability.","IP67 protection rating on the wrist for harsh environments."],"target_audience":"Manufacturing engineers, automation integrators, and factory managers in industries such as automotive, shipbuilding, electronics, and heavy machinery who require high-payload, high-reach robots for handling, welding, assembly, and material transfer tasks.","semantic":{"categories":["Large Payload"],"tags":[],"primary_category":"Large Payload"},"source":{"generated_by":"manual"}}}