Features 1. Used for cleaning up/ bottom welding seam of PVC window and door as well as the external corner 2. PLC control 3. Equipped with automatic clamp device 4. One time clamp complete upper and down welding seam 5. Working reliable, good looking and high efficiency. Technique parameter 1. Air pressure: 0.5-0.8Mpa. 2. Voltage: 380V, 50Hz... 3. Power: 1.1KW 4. Cleaning width: 20- 120mm 5. Groove width: 3± 0.02mm 6. Groove depth: 0.3± 0.15mm 7. Dimension: 1050× 670× 1370mm 8. Weight: 150kg