AT402 Dumbbell Sample Milling Machine is designed for preparing dumbbell-shaped non-metallic test specimens. This instrument complies with the following international and industry standards: GB/T 8804.2, GB/T 8804.3, GB/T 8802, and GB/T 1633. There is no need to reconfirm the knife, which improves work efficiency. The shape and size of the sample are controlled by the equipment, avoiding differences in sampling caused by different users. It is equipped with a vacuum cleaner to ensure a clean environment during the preparation process. The cutting surface of the specimen is smooth and burr-free, which avoids the influence of processing defects on the tensile test results. Technical Specification Model: AT402 Dumbbell Sample Milling Machine Max. sample thickness: 20mm Milling cutter dia.: 30mm Rotating speed: 2810r/min Dimension: 500mm×450mm×450mm Power supply: AC380V 50Hz 180w Weight: 70kg